Merge pull request #8265 from thingsboard/improvements/notification-system

Notification system improvements

application/src/main/java/org/thingsboard/server/actors/ActorSystemContext.java

@@ -71,7 +71,6 @@ import org.thingsboard.server.dao.event.EventService;
 import org.thingsboard.server.dao.nosql.CassandraBufferedRateReadExecutor;
 import org.thingsboard.server.dao.nosql.CassandraBufferedRateWriteExecutor;
 import org.thingsboard.server.dao.notification.NotificationRequestService;
-import org.thingsboard.server.dao.notification.NotificationRuleProcessingService;
 import org.thingsboard.server.dao.notification.NotificationRuleService;
 import org.thingsboard.server.dao.notification.NotificationTargetService;
 import org.thingsboard.server.dao.notification.NotificationTemplateService;
@@ -90,6 +89,7 @@ import org.thingsboard.server.dao.widget.WidgetTypeService;
 import org.thingsboard.server.dao.widget.WidgetsBundleService;
 import org.thingsboard.server.queue.discovery.PartitionService;
 import org.thingsboard.server.queue.discovery.TbServiceInfoProvider;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
 import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.service.apiusage.TbApiUsageStateService;
 import org.thingsboard.server.service.component.ComponentDiscoveryService;
@@ -341,7 +341,7 @@ public class ActorSystemContext {
 
     @Autowired
     @Getter
-    private NotificationRuleProcessingService notificationRuleProcessingService;
+    private NotificationRuleProcessor notificationRuleProcessor;
 
     @Autowired
     @Getter

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleEngineComponentActor.java

@@ -24,7 +24,7 @@ import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
 import org.thingsboard.server.common.msg.TbActorStopReason;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineComponentLifecycleEventTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineComponentLifecycleEventTrigger;
 
 public abstract class RuleEngineComponentActor<T extends EntityId, P extends ComponentMsgProcessor<T>> extends ComponentActor<T, P> {
 
@@ -50,7 +50,8 @@ public abstract class RuleEngineComponentActor<T extends EntityId, P extends Com
     }
 
     private void processNotificationRule(ComponentLifecycleEvent event, Throwable e) {
-        systemContext.getNotificationRuleProcessingService().process(tenantId, RuleEngineComponentLifecycleEventTrigger.builder()
+        systemContext.getNotificationRuleProcessor().process(RuleEngineComponentLifecycleEventTrigger.builder()
+                .tenantId(tenantId)
                 .ruleChainId(getRuleChainId())
                 .ruleChainName(getRuleChainName())
                 .componentId(id)

application/src/main/java/org/thingsboard/server/actors/tenant/TenantActor.java

@@ -49,6 +49,7 @@ import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.aware.DeviceAwareMsg;
 import org.thingsboard.server.common.msg.aware.RuleChainAwareMsg;
 import org.thingsboard.server.common.msg.edge.EdgeSessionMsg;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
 import org.thingsboard.server.common.msg.queue.PartitionChangeMsg;
 import org.thingsboard.server.common.msg.queue.QueueToRuleEngineMsg;
@@ -209,7 +210,10 @@ public class TenantActor extends RuleChainManagerActor {
             log.trace("[{}] Ack message because Rule Engine is disabled", tenantId);
             tbMsg.getCallback().onSuccess();
         }
-        systemContext.getNotificationRuleProcessingService().process(tenantId, tbMsg);
+        systemContext.getNotificationRuleProcessor().process(RuleEngineMsgTrigger.builder()
+                .tenantId(tenantId)
+                .msg(tbMsg)
+                .build());
     }
 
     private void onRuleChainMsg(RuleChainAwareMsg msg) {

application/src/main/java/org/thingsboard/server/controller/NotificationController.java

@@ -42,10 +42,12 @@ import org.thingsboard.server.common.data.notification.NotificationDeliveryMetho
 import org.thingsboard.server.common.data.notification.NotificationRequest;
 import org.thingsboard.server.common.data.notification.NotificationRequestInfo;
 import org.thingsboard.server.common.data.notification.NotificationRequestPreview;
-import org.thingsboard.server.common.data.notification.info.UserOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.settings.NotificationSettings;
+import org.thingsboard.server.common.data.notification.targets.NotificationRecipient;
 import org.thingsboard.server.common.data.notification.targets.NotificationTarget;
 import org.thingsboard.server.common.data.notification.targets.NotificationTargetType;
+import org.thingsboard.server.common.data.notification.targets.platform.PlatformUsersNotificationTargetConfig;
+import org.thingsboard.server.common.data.notification.targets.slack.SlackNotificationTargetConfig;
 import org.thingsboard.server.common.data.notification.template.DeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplate;
 import org.thingsboard.server.common.data.page.PageData;
@@ -62,7 +64,6 @@ import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;
 
 import javax.validation.Valid;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -187,14 +188,12 @@ public class NotificationController extends BaseController {
         checkEntity(notificationRequest.getId(), notificationRequest, NOTIFICATION);
 
         notificationRequest.setOriginatorEntityId(user.getId());
-        if (notificationRequest.getInfo() != null && !(notificationRequest.getInfo() instanceof UserOriginatedNotificationInfo)) {
-            throw new IllegalArgumentException("Unsupported notification info type");
-        }
+        notificationRequest.setInfo(null);
         notificationRequest.setRuleId(null);
         notificationRequest.setStatus(null);
         notificationRequest.setStats(null);
 
-        return doSaveAndLog(EntityType.NOTIFICATION_REQUEST, notificationRequest, notificationCenter::processNotificationRequest);
+        return doSaveAndLog(EntityType.NOTIFICATION_REQUEST, notificationRequest, (tenantId, request) -> notificationCenter.processNotificationRequest(tenantId, request, null));
     }
 
     @PostMapping("/notification/request/preview")
@@ -217,45 +216,49 @@ public class NotificationController extends BaseController {
         NotificationProcessingContext tmpProcessingCtx = NotificationProcessingContext.builder()
                 .tenantId(user.getTenantId())
                 .request(request)
-                .settings(null)
                 .template(template)
+                .settings(null)
                 .build();
 
         Map<NotificationDeliveryMethod, DeliveryMethodNotificationTemplate> processedTemplates = tmpProcessingCtx.getDeliveryMethods().stream()
                 .collect(Collectors.toMap(m -> m, deliveryMethod -> {
-                    Map<String, String> templateContext;
+                    NotificationRecipient recipient = null;
                     if (NotificationTargetType.PLATFORM_USERS.getSupportedDeliveryMethods().contains(deliveryMethod)) {
-                        templateContext = tmpProcessingCtx.createTemplateContext(user);
-                    } else {
-                        templateContext = Collections.emptyMap();
+                        recipient = userService.findUserById(user.getTenantId(), user.getId());
                     }
-                    return tmpProcessingCtx.getProcessedTemplate(deliveryMethod, templateContext);
+                    return tmpProcessingCtx.getProcessedTemplate(deliveryMethod, recipient);
                 }));
         preview.setProcessedTemplates(processedTemplates);
 
         // generic permission
-        Set<User> recipientsPreview = new LinkedHashSet<>();
+        Set<String> recipientsPreview = new LinkedHashSet<>();
         Map<String, Integer> recipientsCountByTarget = new HashMap<>();
+
         List<NotificationTarget> targets = notificationTargetService.findNotificationTargetsByTenantIdAndIds(user.getTenantId(),
                 request.getTargets().stream().map(NotificationTargetId::new).collect(Collectors.toList()));
         for (NotificationTarget target : targets) {
             int recipientsCount;
+            List<NotificationRecipient> recipientsPart;
             if (target.getConfiguration().getType() == NotificationTargetType.PLATFORM_USERS) {
-                PageData<User> recipients = notificationTargetService.findRecipientsForNotificationTargetConfig(user.getTenantId(), null,
-                        target.getConfiguration(), new PageLink(recipientsPreviewSize));
+                PageData<User> recipients = notificationTargetService.findRecipientsForNotificationTargetConfig(user.getTenantId(),
+                        (PlatformUsersNotificationTargetConfig) target.getConfiguration(), new PageLink(recipientsPreviewSize));
                 recipientsCount = (int) recipients.getTotalElements();
-                for (User recipient : recipients.getData()) {
-                    if (recipientsPreview.size() < recipientsPreviewSize) {
-                        recipientsPreview.add(recipient);
-                    } else {
-                        break;
-                    }
-                }
+                recipientsPart = recipients.getData().stream().map(r -> (NotificationRecipient) r).collect(Collectors.toList());
             } else {
                 recipientsCount = 1;
+                recipientsPart = List.of(((SlackNotificationTargetConfig) target.getConfiguration()).getConversation());
+            }
+
+            for (NotificationRecipient recipient : recipientsPart) {
+                if (recipientsPreview.size() < recipientsPreviewSize) {
+                    recipientsPreview.add(recipient.getTitle());
+                } else {
+                    break;
+                }
             }
             recipientsCountByTarget.put(target.getName(), recipientsCount);
         }
+
         preview.setRecipientsPreview(recipientsPreview);
         preview.setRecipientsCountByTarget(recipientsCountByTarget);
         preview.setTotalRecipientsCount(recipientsCountByTarget.values().stream().mapToInt(Integer::intValue).sum());

application/src/main/java/org/thingsboard/server/controller/NotificationTargetController.java

@@ -116,7 +116,7 @@ public class NotificationTargetController extends BaseController {
         }
 
         PageLink pageLink = createPageLink(pageSize, page, null, null, null);
-        return notificationTargetService.findRecipientsForNotificationTargetConfig(user.getTenantId(), null, notificationTarget.getConfiguration(), pageLink);
+        return notificationTargetService.findRecipientsForNotificationTargetConfig(user.getTenantId(), (PlatformUsersNotificationTargetConfig) notificationTarget.getConfiguration(), pageLink);
     }
 
     @GetMapping(value = "/targets", params = {"ids"})

application/src/main/java/org/thingsboard/server/controller/NotificationTemplateController.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.controller;
 
 import io.swagger.annotations.ApiOperation;
 import lombok.RequiredArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.DeleteMapping;
@@ -136,16 +137,20 @@ public class NotificationTemplateController extends BaseController {
     @GetMapping("/slack/conversations")
     @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN')")
     public List<SlackConversation> listSlackConversations(@RequestParam SlackConversationType type,
+                                                          @RequestParam(required = false) String token,
                                                           @AuthenticationPrincipal SecurityUser user) {
         // generic permission
-        NotificationSettings settings = notificationSettingsService.findNotificationSettings(user.getTenantId());
-        SlackNotificationDeliveryMethodConfig slackConfig = (SlackNotificationDeliveryMethodConfig)
-                settings.getDeliveryMethodsConfigs().get(NotificationDeliveryMethod.SLACK);
-        if (slackConfig == null) {
-            throw new IllegalArgumentException("Slack is not configured");
+        if (StringUtils.isEmpty(token)) {
+            NotificationSettings settings = notificationSettingsService.findNotificationSettings(user.getTenantId());
+            SlackNotificationDeliveryMethodConfig slackConfig = (SlackNotificationDeliveryMethodConfig)
+                    settings.getDeliveryMethodsConfigs().get(NotificationDeliveryMethod.SLACK);
+            if (slackConfig == null) {
+                throw new IllegalArgumentException("Slack is not configured");
+            }
+            token = slackConfig.getBotToken();
         }
 
-        return slackService.listConversations(user.getTenantId(), slackConfig.getBotToken(), type);
+        return slackService.listConversations(user.getTenantId(), token, type);
     }
 
 }

application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java

@@ -295,6 +295,8 @@ public class ThingsboardInstallService {
                 systemDataLoaderService.loadSystemWidgets();
                 systemDataLoaderService.createOAuth2Templates();
                 systemDataLoaderService.createQueues();
+                systemDataLoaderService.createDefaultNotificationConfigs();
+
 //                systemDataLoaderService.loadSystemPlugins();
 //                systemDataLoaderService.loadSystemRules();
                 installScripts.loadSystemLwm2mResources();

application/src/main/java/org/thingsboard/server/service/action/EntityActionService.java

@@ -142,6 +142,13 @@ public class EntityActionService {
                 if (user != null) {
                     metaData.putValue("userId", user.getId().toString());
                     metaData.putValue("userName", user.getName());
+                    metaData.putValue("userEmail", user.getEmail());
+                    if (user.getFirstName() != null) {
+                        metaData.putValue("userFirstName", user.getFirstName());
+                    }
+                    if (user.getLastName() != null) {
+                        metaData.putValue("userLastName", user.getLastName());
+                    }
                 }
                 if (customerId != null && !customerId.isNullUid()) {
                     metaData.putValue("customerId", customerId.toString());

application/src/main/java/org/thingsboard/server/service/apiusage/DefaultTbApiUsageStateService.java

@@ -24,13 +24,12 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
-import org.thingsboard.common.util.ThingsBoardThreadFactory;
 import org.thingsboard.rule.engine.api.MailService;
 import org.thingsboard.server.cluster.TbClusterService;
 import org.thingsboard.server.common.data.ApiFeature;
 import org.thingsboard.server.common.data.ApiUsageRecordKey;
+import org.thingsboard.server.common.data.ApiUsageRecordState;
 import org.thingsboard.server.common.data.ApiUsageState;
-import org.thingsboard.server.common.data.ApiUsageStateMailMessage;
 import org.thingsboard.server.common.data.ApiUsageStateValue;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.StringUtils;
@@ -53,7 +52,8 @@ import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TbCallback;
 import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.common.msg.tools.SchedulerUtils;
-import org.thingsboard.server.dao.notification.NotificationRuleProcessingService;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
+import org.thingsboard.server.common.msg.notification.trigger.ApiUsageLimitTrigger;
 import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.dao.tenant.TenantService;
 import org.thingsboard.server.dao.timeseries.TimeseriesService;
@@ -63,6 +63,7 @@ import org.thingsboard.server.gen.transport.TransportProtos.UsageStatsKVProto;
 import org.thingsboard.server.queue.common.TbProtoQueueMsg;
 import org.thingsboard.server.queue.discovery.PartitionService;
 import org.thingsboard.server.service.executors.DbCallbackExecutorService;
+import org.thingsboard.server.service.mail.MailExecutorService;
 import org.thingsboard.server.service.partition.AbstractPartitionBasedService;
 import org.thingsboard.server.service.telemetry.InternalTelemetryService;
 
@@ -79,8 +80,6 @@ import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
@@ -108,8 +107,9 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
     private final ApiUsageStateService apiUsageStateService;
     private final TbTenantProfileCache tenantProfileCache;
     private final MailService mailService;
-    private final NotificationRuleProcessingService notificationRuleProcessingService;
+    private final NotificationRuleProcessor notificationRuleProcessor;
     private final DbCallbackExecutorService dbExecutor;
+    private final MailExecutorService mailExecutor;
 
     @Lazy
     @Autowired
@@ -130,8 +130,6 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
 
     private final Lock updateLock = new ReentrantLock();
 
-    private final ExecutorService mailExecutor = Executors.newSingleThreadExecutor(ThingsBoardThreadFactory.forName("api-usage-svc-mail"));
-
     @PostConstruct
     public void init() {
         super.init();
@@ -340,32 +338,35 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
         tsWsService.saveAndNotifyInternal(state.getTenantId(), state.getApiUsageState().getId(), stateTelemetry, VOID_CALLBACK);
 
         if (state.getEntityType() == EntityType.TENANT && !state.getEntityId().equals(TenantId.SYS_TENANT_ID)) {
-
             String email = tenantService.findTenantById(state.getTenantId()).getEmail();
-            if (StringUtils.isNotEmpty(email)) {
-                result.forEach((apiFeature, stateValue) -> {
+            result.forEach((apiFeature, stateValue) -> {
+                ApiUsageRecordState recordState = createApiUsageRecordState((TenantApiUsageState) state, apiFeature, stateValue);
+                notificationRuleProcessor.process(ApiUsageLimitTrigger.builder()
+                        .tenantId(state.getTenantId())
+                        .state(recordState)
+                        .status(stateValue)
+                        .build());
+                if (StringUtils.isNotEmpty(email)) {
                     mailExecutor.submit(() -> {
                         try {
-                            mailService.sendApiFeatureStateEmail(apiFeature, stateValue, email, createStateMailMessage((TenantApiUsageState) state, apiFeature, stateValue));
+                            mailService.sendApiFeatureStateEmail(apiFeature, stateValue, email, recordState);
                         } catch (ThingsboardException e) {
                             log.warn("[{}] Can't send update of the API state to tenant with provided email [{}]", state.getTenantId(), email, e);
                         }
                     });
-                });
-            } else {
-                log.warn("[{}] Can't send update of the API state to tenant with empty email!", state.getTenantId());
-            }
+                }
+            });
         }
     }
 
-    private ApiUsageStateMailMessage createStateMailMessage(TenantApiUsageState state, ApiFeature apiFeature, ApiUsageStateValue stateValue) {
+    private ApiUsageRecordState createApiUsageRecordState(TenantApiUsageState state, ApiFeature apiFeature, ApiUsageStateValue stateValue) {
         StateChecker checker = getStateChecker(stateValue);
         for (ApiUsageRecordKey apiUsageRecordKey : ApiUsageRecordKey.getKeys(apiFeature)) {
             long threshold = state.getProfileThreshold(apiUsageRecordKey);
             long warnThreshold = state.getProfileWarnThreshold(apiUsageRecordKey);
             long value = state.get(apiUsageRecordKey);
             if (checker.check(threshold, warnThreshold, value)) {
-                return new ApiUsageStateMailMessage(apiUsageRecordKey, threshold, value);
+                return new ApiUsageRecordState(apiFeature, apiUsageRecordKey, threshold, value);
             }
         }
         return null;
@@ -377,7 +378,7 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
         } else if (ApiUsageStateValue.WARNING.equals(stateValue)) {
             return (t, wt, v) -> v < t && v >= wt;
         } else {
-            return (t, wt, v) -> v >= t;
+            return (t, wt, v) -> t > 0 && v >= t;
         }
     }
 
@@ -529,8 +530,5 @@ public class DefaultTbApiUsageStateService extends AbstractPartitionBasedService
     @PreDestroy
     private void destroy() {
         super.stop();
-        if (mailExecutor != null) {
-            mailExecutor.shutdownNow();
-        }
     }
 }

application/src/main/java/org/thingsboard/server/service/entitiy/alarm/DefaultTbAlarmService.java

@@ -35,7 +35,7 @@ import org.thingsboard.server.common.data.exception.ThingsboardException;
 import org.thingsboard.server.common.data.id.EdgeId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
-import org.thingsboard.server.dao.alarm.AlarmApiCallResult;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.service.entitiy.AbstractTbEntityService;
 
 import java.util.List;

application/src/main/java/org/thingsboard/server/service/mail/DefaultMailService.java

@@ -35,7 +35,7 @@ import org.thingsboard.rule.engine.api.TbEmail;
 import org.thingsboard.server.common.data.AdminSettings;
 import org.thingsboard.server.common.data.ApiFeature;
 import org.thingsboard.server.common.data.ApiUsageRecordKey;
-import org.thingsboard.server.common.data.ApiUsageStateMailMessage;
+import org.thingsboard.server.common.data.ApiUsageRecordState;
 import org.thingsboard.server.common.data.ApiUsageStateValue;
 import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.exception.ThingsboardErrorCode;
@@ -64,8 +64,6 @@ public class DefaultMailService implements MailService {
     public static final String MAIL_PROP = "mail.";
     public static final String TARGET_EMAIL = "targetEmail";
     public static final String UTF_8 = "UTF-8";
-    public static final int _10K = 10000;
-    public static final int _1M = 1000000;
 
     private final MessageSource messages;
     private final Configuration freemarkerConfig;
@@ -335,7 +333,7 @@ public class DefaultMailService implements MailService {
     }
 
     @Override
-    public void sendApiFeatureStateEmail(ApiFeature apiFeature, ApiUsageStateValue stateValue, String email, ApiUsageStateMailMessage msg) throws ThingsboardException {
+    public void sendApiFeatureStateEmail(ApiFeature apiFeature, ApiUsageStateValue stateValue, String email, ApiUsageRecordState recordState) throws ThingsboardException {
         String subject = messages.getMessage("api.usage.state", null, Locale.US);
 
         Map<String, Object> model = new HashMap<>();
@@ -350,11 +348,11 @@ public class DefaultMailService implements MailService {
                 message = mergeTemplateIntoString("state.enabled.ftl", model);
                 break;
             case WARNING:
-                model.put("apiValueLabel", toDisabledValueLabel(apiFeature) + " " + toWarningValueLabel(msg.getKey(), msg.getValue(), msg.getThreshold()));
+                model.put("apiValueLabel", toDisabledValueLabel(apiFeature) + " " + toWarningValueLabel(recordState));
                 message = mergeTemplateIntoString("state.warning.ftl", model);
                 break;
             case DISABLED:
-                model.put("apiLimitValueLabel", toDisabledValueLabel(apiFeature) + " " + toDisabledValueLabel(msg.getKey(), msg.getThreshold()));
+                model.put("apiLimitValueLabel", toDisabledValueLabel(apiFeature) + " " + toDisabledValueLabel(recordState));
                 message = mergeTemplateIntoString("state.disabled.ftl", model);
                 break;
         }
@@ -406,10 +404,10 @@ public class DefaultMailService implements MailService {
         }
     }
 
-    private String toWarningValueLabel(ApiUsageRecordKey key, long value, long threshold) {
-        String valueInM = getValueAsString(value);
-        String thresholdInM = getValueAsString(threshold);
-        switch (key) {
+    private String toWarningValueLabel(ApiUsageRecordState recordState) {
+        String valueInM = recordState.getValueAsString();
+        String thresholdInM = recordState.getThresholdAsString();
+        switch (recordState.getKey()) {
             case STORAGE_DP_COUNT:
             case TRANSPORT_DP_COUNT:
                 return valueInM + " out of " + thresholdInM + " allowed data points";
@@ -428,36 +426,26 @@ public class DefaultMailService implements MailService {
         }
     }
 
-    private String toDisabledValueLabel(ApiUsageRecordKey key, long value) {
-        switch (key) {
+    private String toDisabledValueLabel(ApiUsageRecordState recordState) {
+        switch (recordState.getKey()) {
             case STORAGE_DP_COUNT:
             case TRANSPORT_DP_COUNT:
-                return getValueAsString(value) + " data points";
+                return recordState.getValueAsString() + " data points";
             case TRANSPORT_MSG_COUNT:
-                return getValueAsString(value) + " messages";
+                return recordState.getValueAsString() + " messages";
             case JS_EXEC_COUNT:
-                return "JavaScript functions " + getValueAsString(value) + " times";
+                return "JavaScript functions " + recordState.getValueAsString() + " times";
             case RE_EXEC_COUNT:
-                return getValueAsString(value) + " Rule Engine messages";
+                return recordState.getValueAsString() + " Rule Engine messages";
             case EMAIL_EXEC_COUNT:
-                return getValueAsString(value) + " Email messages";
+                return recordState.getValueAsString() + " Email messages";
             case SMS_EXEC_COUNT:
-                return getValueAsString(value) + " SMS messages";
+                return recordState.getValueAsString() + " SMS messages";
             default:
                 throw new RuntimeException("Not implemented!");
         }
     }
 
-    private String getValueAsString(long value) {
-        if (value > _1M && value % _1M < _10K) {
-            return value / _1M + "M";
-        } else if (value > _10K) {
-            return String.format("%.2fM", ((double) value) / 1000000);
-        } else {
-            return value + "";
-        }
-    }
-
     private void sendMail(JavaMailSenderImpl mailSender, String mailFrom, String email,
                           String subject, String message, long timeout) throws ThingsboardException {
         try {

application/src/main/java/org/thingsboard/server/service/notification/DefaultNotificationCenter.java

@@ -22,13 +22,12 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.thingsboard.common.util.DonAsynchron;
-import org.thingsboard.rule.engine.api.MailService;
 import org.thingsboard.rule.engine.api.NotificationCenter;
-import org.thingsboard.rule.engine.api.SmsService;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.id.NotificationId;
 import org.thingsboard.server.common.data.id.NotificationRequestId;
+import org.thingsboard.server.common.data.id.NotificationRuleId;
 import org.thingsboard.server.common.data.id.NotificationTargetId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
@@ -46,7 +45,6 @@ import org.thingsboard.server.common.data.notification.settings.NotificationSett
 import org.thingsboard.server.common.data.notification.targets.NotificationRecipient;
 import org.thingsboard.server.common.data.notification.targets.NotificationTarget;
 import org.thingsboard.server.common.data.notification.targets.platform.PlatformUsersNotificationTargetConfig;
-import org.thingsboard.server.common.data.notification.targets.platform.UsersFilterType;
 import org.thingsboard.server.common.data.notification.targets.slack.SlackNotificationTargetConfig;
 import org.thingsboard.server.common.data.notification.template.DeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplate;
@@ -84,6 +82,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
+import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
 @Service
@@ -103,61 +102,59 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
     private final NotificationsTopicService notificationsTopicService;
     private final TbQueueProducerProvider producerProvider;
     private final RateLimitService rateLimitService;
-    private final MailService mailService;
-    private final SmsService smsService;
 
     private Map<NotificationDeliveryMethod, NotificationChannel> channels;
 
-
     @Override
-    public NotificationRequest processNotificationRequest(TenantId tenantId, NotificationRequest notificationRequest) {
+    public NotificationRequest processNotificationRequest(TenantId tenantId, NotificationRequest request, Consumer<NotificationRequestStats> callback) {
         if (!rateLimitService.checkRateLimit(tenantId, LimitedApi.NOTIFICATION_REQUEST)) {
             throw new TbRateLimitsException(EntityType.TENANT);
         }
-        NotificationSettings settings = notificationSettingsService.findNotificationSettings(tenantId);
+
         NotificationTemplate notificationTemplate;
-        if (notificationRequest.getTemplateId() != null) {
-            notificationTemplate = notificationTemplateService.findNotificationTemplateById(tenantId, notificationRequest.getTemplateId());
+        if (request.getTemplateId() != null) {
+            notificationTemplate = notificationTemplateService.findNotificationTemplateById(tenantId, request.getTemplateId());
         } else {
-            notificationTemplate = notificationRequest.getTemplate();
+            notificationTemplate = request.getTemplate();
         }
         if (notificationTemplate == null) throw new IllegalArgumentException("Template is missing");
 
-        List<NotificationTarget> targets = notificationRequest.getTargets().stream().map(NotificationTargetId::new)
+        List<NotificationTarget> targets = request.getTargets().stream().map(NotificationTargetId::new)
                 .map(id -> notificationTargetService.findNotificationTargetById(tenantId, id)).collect(Collectors.toList());
-        Set<NotificationDeliveryMethod> availableDeliveryMethods = getAvailableDeliveryMethods(tenantId);
 
+        NotificationRuleId ruleId = request.getRuleId();
         notificationTemplate.getConfiguration().getDeliveryMethodsTemplates().forEach((deliveryMethod, template) -> {
             if (!template.isEnabled()) return;
-            if (!availableDeliveryMethods.contains(deliveryMethod)) {
-                throw new IllegalArgumentException("Settings for " + deliveryMethod.getName() + " are missing");
+            if (!channels.get(deliveryMethod).check(tenantId)) {
+                throw new IllegalArgumentException("Unable to send notification via " + deliveryMethod.getName() + ": not configured or not working");
             }
-            if (notificationRequest.getRuleId() == null) {
+            if (ruleId == null) {
                 if (targets.stream().noneMatch(target -> target.getConfiguration().getType().getSupportedDeliveryMethods().contains(deliveryMethod))) {
                     throw new IllegalArgumentException("Target for " + deliveryMethod.getName() + " delivery method is missing");
                 }
             }
         });
 
-        if (notificationRequest.getAdditionalConfig() != null) {
-            NotificationRequestConfig config = notificationRequest.getAdditionalConfig();
-            if (config.getSendingDelayInSec() > 0 && notificationRequest.getId() == null) {
-                notificationRequest.setStatus(NotificationRequestStatus.SCHEDULED);
-                NotificationRequest savedNotificationRequest = notificationRequestService.saveNotificationRequest(tenantId, notificationRequest);
-                forwardToNotificationSchedulerService(tenantId, savedNotificationRequest.getId());
-                return savedNotificationRequest;
+        if (request.getAdditionalConfig() != null) {
+            NotificationRequestConfig config = request.getAdditionalConfig();
+            if (config.getSendingDelayInSec() > 0 && request.getId() == null) {
+                request.setStatus(NotificationRequestStatus.SCHEDULED);
+                request = notificationRequestService.saveNotificationRequest(tenantId, request);
+                forwardToNotificationSchedulerService(tenantId, request.getId());
+                return request;
             }
         }
+        NotificationSettings settings = notificationSettingsService.findNotificationSettings(tenantId);
 
-        log.debug("Processing notification request (tenantId: {}, targets: {})", tenantId, notificationRequest.getTargets());
-        notificationRequest.setStatus(NotificationRequestStatus.PROCESSING);
-        NotificationRequest savedNotificationRequest = notificationRequestService.saveNotificationRequest(tenantId, notificationRequest);
+        log.debug("Processing notification request (tenantId: {}, targets: {})", tenantId, request.getTargets());
+        request.setStatus(NotificationRequestStatus.PROCESSING);
+        request = notificationRequestService.saveNotificationRequest(tenantId, request);
 
         NotificationProcessingContext ctx = NotificationProcessingContext.builder()
                 .tenantId(tenantId)
-                .request(savedNotificationRequest)
-                .settings(settings)
+                .request(request)
                 .template(notificationTemplate)
+                .settings(settings)
                 .build();
 
         notificationExecutor.submit(() -> {
@@ -169,7 +166,7 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
             }
 
             Futures.whenAllComplete(results).run(() -> {
-                NotificationRequestId requestId = savedNotificationRequest.getId();
+                NotificationRequestId requestId = ctx.getRequest().getId();
                 log.debug("[{}] Notification request processing is finished", requestId);
                 NotificationRequestStats stats = ctx.getStats();
                 try {
@@ -177,36 +174,39 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
                 } catch (Exception e) {
                     log.error("[{}] Failed to update stats for notification request", requestId, e);
                 }
+
+                if (callback != null) {
+                    try {
+                        callback.accept(stats);
+                    } catch (Exception e) {
+                        log.error("Failed to process callback for notification request {}", requestId, e);
+                    }
+                }
             }, dbCallbackExecutorService);
         });
 
-        return savedNotificationRequest;
+        return request;
     }
 
     private List<ListenableFuture<Void>> processForTarget(NotificationTarget target, NotificationProcessingContext ctx) {
         Iterable<? extends NotificationRecipient> recipients;
         switch (target.getConfiguration().getType()) {
             case PLATFORM_USERS: {
-                PlatformUsersNotificationTargetConfig platformUsersTargetConfig = (PlatformUsersNotificationTargetConfig) target.getConfiguration();
-                if (platformUsersTargetConfig.getUsersFilter().getType() == UsersFilterType.AFFECTED_USER) {
-                    if (ctx.getRequest().getInfo() instanceof RuleOriginatedNotificationInfo) {
-                        UserId targetUserId = ((RuleOriginatedNotificationInfo) ctx.getRequest().getInfo()).getTargetUserId();
-                        if (targetUserId != null) {
-                            recipients = List.of(userService.findUserById(ctx.getTenantId(), targetUserId));
-                            break;
-                        }
-                    }
-                    recipients = Collections.emptyList();
+                PlatformUsersNotificationTargetConfig targetConfig = (PlatformUsersNotificationTargetConfig) target.getConfiguration();
+                if (targetConfig.getUsersFilter().getType().isForRules()) {
+                    recipients = new PageDataIterable<>(pageLink -> {
+                        return notificationTargetService.findRecipientsForRuleNotificationTargetConfig(ctx.getTenantId(), targetConfig, (RuleOriginatedNotificationInfo) ctx.getRequest().getInfo(), pageLink);
+                    }, 500);
                 } else {
                     recipients = new PageDataIterable<>(pageLink -> {
-                        return notificationTargetService.findRecipientsForNotificationTargetConfig(ctx.getTenantId(), ctx.getCustomerId(), platformUsersTargetConfig, pageLink);
+                        return notificationTargetService.findRecipientsForNotificationTargetConfig(ctx.getTenantId(), targetConfig, pageLink);
                     }, 500);
                 }
                 break;
             }
             case SLACK: {
-                SlackNotificationTargetConfig slackTargetConfig = (SlackNotificationTargetConfig) target.getConfiguration();
-                recipients = List.of(slackTargetConfig.getConversation());
+                SlackNotificationTargetConfig targetConfig = (SlackNotificationTargetConfig) target.getConfiguration();
+                recipients = List.of(targetConfig.getConversation());
                 break;
             }
             default: {
@@ -239,15 +239,10 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
         if (ctx.getStats().contains(deliveryMethod, recipient.getId())) {
             return Futures.immediateFailedFuture(new AlreadySentException());
         }
-        Map<String, String> templateContext;
-        if (recipient instanceof User) {
-            templateContext = ctx.createTemplateContext(((User) recipient));
-        } else {
-            templateContext = Collections.emptyMap();
-        }
+
         DeliveryMethodNotificationTemplate processedTemplate;
         try {
-            processedTemplate = ctx.getProcessedTemplate(deliveryMethod, templateContext);
+            processedTemplate = ctx.getProcessedTemplate(deliveryMethod, recipient);
         } catch (Exception e) {
             return Futures.immediateFailedFuture(e);
         }
@@ -309,7 +304,7 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
             log.trace("Marked notification {} as read (recipient id: {}, tenant id: {})", notificationId, recipientId, tenantId);
             NotificationUpdate update = NotificationUpdate.builder()
                     .updated(true)
-                    .notificationId(notificationId)
+                    .notificationId(notificationId.getId())
                     .newStatus(NotificationStatus.READ)
                     .build();
             onNotificationUpdate(tenantId, recipientId, update);
@@ -345,20 +340,15 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
 
     @Override
     public Set<NotificationDeliveryMethod> getAvailableDeliveryMethods(TenantId tenantId) {
-        Set<NotificationDeliveryMethod> deliveryMethods = new HashSet<>();
-        deliveryMethods.add(NotificationDeliveryMethod.WEB);
-        NotificationSettings notificationSettings = notificationSettingsService.findNotificationSettings(tenantId);
-        if (notificationSettings.getDeliveryMethodsConfigs().containsKey(NotificationDeliveryMethod.SLACK)) {
-            deliveryMethods.add(NotificationDeliveryMethod.SLACK);
-        }
-        try {
-            mailService.testConnection(tenantId);
-            deliveryMethods.add(NotificationDeliveryMethod.EMAIL);
-        } catch (Exception e) {}
-        if (smsService.isConfigured(tenantId)) {
-            deliveryMethods.add(NotificationDeliveryMethod.SMS);
-        }
-        return deliveryMethods;
+        return channels.values().stream()
+                .filter(channel -> channel.check(tenantId))
+                .map(NotificationChannel::getDeliveryMethod)
+                .collect(Collectors.toSet());
+    }
+
+    @Override
+    public boolean check(TenantId tenantId) {
+        return true;
     }
 
     @Override
@@ -374,6 +364,7 @@ public class DefaultNotificationCenter extends AbstractSubscriptionService imple
                     .deleted(true)
                     .build());
         } else if (notificationRequest.isScheduled()) {
+            // TODO: just forward to scheduler service
             clusterService.broadcastEntityStateChangeEvent(tenantId, notificationRequestId, ComponentLifecycleEvent.DELETED);
         }
     }

application/src/main/java/org/thingsboard/server/service/notification/DefaultNotificationSchedulerService.java

@@ -25,9 +25,10 @@ import org.thingsboard.rule.engine.api.NotificationCenter;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.NotificationRequestId;
 import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.notification.NotificationRequest;
 import org.thingsboard.server.common.data.notification.NotificationRequestConfig;
+import org.thingsboard.server.common.data.notification.NotificationRequestStats;
+import org.thingsboard.server.common.data.notification.NotificationRequestStatus;
 import org.thingsboard.server.common.data.page.PageDataIterable;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
@@ -109,14 +110,12 @@ public class DefaultNotificationSchedulerService extends AbstractPartitionBasedS
 
             notificationExecutor.executeAsync(() -> {
                 try {
-                    notificationCenter.processNotificationRequest(tenantId, notificationRequest);
+                    notificationCenter.processNotificationRequest(tenantId, notificationRequest, null);
                 } catch (Exception e) {
                     log.error("Failed to process scheduled notification request {}", notificationRequest.getId(), e);
-                    UserId senderId = notificationRequest.getSenderId();
-                    if (senderId != null) {
-                        notificationCenter.sendBasicNotification(tenantId, senderId, "Notification failure",
-                                "Failed to process scheduled notification (request " + notificationRequest.getId() + "): " + e.getMessage());
-                    }
+                    NotificationRequestStats stats = new NotificationRequestStats();
+                    stats.setError(e.getMessage());
+                    notificationRequestService.updateNotificationRequest(tenantId, request.getId(), NotificationRequestStatus.SENT, stats);
                 }
             });
             scheduledNotificationRequests.remove(notificationRequest.getId());

application/src/main/java/org/thingsboard/server/service/notification/NotificationProcessingContext.java

@@ -15,35 +15,30 @@
  */
 package org.thingsboard.server.service.notification;
 
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.fasterxml.jackson.databind.node.TextNode;
 import com.google.common.base.Strings;
 import lombok.Builder;
 import lombok.Getter;
-import org.apache.commons.lang3.StringUtils;
-import org.thingsboard.server.common.data.User;
-import org.thingsboard.server.common.data.id.CustomerId;
+import org.apache.commons.collections4.MapUtils;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 import org.thingsboard.server.common.data.notification.NotificationRequest;
 import org.thingsboard.server.common.data.notification.NotificationRequestStats;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
-import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.settings.NotificationDeliveryMethodConfig;
 import org.thingsboard.server.common.data.notification.settings.NotificationSettings;
+import org.thingsboard.server.common.data.notification.targets.NotificationRecipient;
 import org.thingsboard.server.common.data.notification.template.DeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.HasSubject;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplateConfig;
 import org.thingsboard.server.common.data.notification.template.WebDeliveryMethodNotificationTemplate;
+import org.thingsboard.server.common.data.util.TemplateUtils;
 
 import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Optional;
 import java.util.Set;
-import java.util.regex.Pattern;
+
+import static org.apache.commons.lang3.StringUtils.isNotEmpty;
 
 @SuppressWarnings("unchecked")
 public class NotificationProcessingContext {
@@ -62,11 +57,9 @@ public class NotificationProcessingContext {
     @Getter
     private final NotificationRequestStats stats;
 
-    private static final Pattern TEMPLATE_PARAM_PATTERN = Pattern.compile("\\$\\{([a-zA-Z]+)(:[a-zA-Z]+)?}");
 
     @Builder
-    public NotificationProcessingContext(TenantId tenantId, NotificationRequest request, NotificationSettings settings,
-                                         NotificationTemplate template) {
+    public NotificationProcessingContext(TenantId tenantId, NotificationRequest request, NotificationTemplate template, NotificationSettings settings) {
         this.tenantId = tenantId;
         this.request = request;
         this.settings = settings;
@@ -80,6 +73,7 @@ public class NotificationProcessingContext {
         NotificationTemplateConfig templateConfig = notificationTemplate.getConfiguration();
         templateConfig.getDeliveryMethodsTemplates().forEach((deliveryMethod, template) -> {
             if (template.isEnabled()) {
+                template = processTemplate(template, null); // processing template with immutable params
                 templates.put(deliveryMethod, template);
             }
         });
@@ -90,74 +84,54 @@ public class NotificationProcessingContext {
         return (C) settings.getDeliveryMethodsConfigs().get(deliveryMethod);
     }
 
-    public <T extends DeliveryMethodNotificationTemplate> T getProcessedTemplate(NotificationDeliveryMethod deliveryMethod, Map<String, String> templateContext) {
-        NotificationInfo info = request.getInfo();
-        if (info != null) {
-            templateContext = new HashMap<>(templateContext);
-            templateContext.putAll(info.getTemplateData());
+    public <T extends DeliveryMethodNotificationTemplate> T getProcessedTemplate(NotificationDeliveryMethod deliveryMethod, NotificationRecipient recipient) {
+        T template = (T) templates.get(deliveryMethod);
+        Map<String, String> additionalTemplateContext = null;
+        if (recipient != null) {
+            additionalTemplateContext = createTemplateContextForRecipient(recipient);
+        }
+        if (MapUtils.isNotEmpty(additionalTemplateContext) && template.containsAny(additionalTemplateContext.keySet().toArray(String[]::new))) {
+            template = processTemplate(template, additionalTemplateContext);
         }
+        return template;
+    }
 
-        T template = (T) templates.get(deliveryMethod).copy();
-        template.setBody(processTemplate(template.getBody(), templateContext));
+    private <T extends DeliveryMethodNotificationTemplate> T processTemplate(T template, Map<String, String> additionalTemplateContext) {
+        Map<String, String> templateContext = new HashMap<>();
+        if (request.getInfo() != null) {
+            templateContext.putAll(request.getInfo().getTemplateData());
+        }
+        if (additionalTemplateContext != null) {
+            templateContext.putAll(additionalTemplateContext);
+        }
+        if (templateContext.isEmpty()) return template;
+
+        template = (T) template.copy();
+        template.setBody(TemplateUtils.processTemplate(template.getBody(), templateContext));
         if (template instanceof HasSubject) {
             String subject = ((HasSubject) template).getSubject();
-            ((HasSubject) template).setSubject(processTemplate(subject, templateContext));
+            ((HasSubject) template).setSubject(TemplateUtils.processTemplate(subject, templateContext));
         }
-
-        if (deliveryMethod == NotificationDeliveryMethod.WEB) {
+        if (template instanceof WebDeliveryMethodNotificationTemplate) {
             WebDeliveryMethodNotificationTemplate webNotificationTemplate = (WebDeliveryMethodNotificationTemplate) template;
-            Optional<ObjectNode> buttonConfig = Optional.ofNullable(webNotificationTemplate.getAdditionalConfig())
-                    .map(config -> config.get("actionButtonConfig")).filter(JsonNode::isObject)
-                    .map(config -> (ObjectNode) config);
-            if (buttonConfig.isPresent()) {
-                JsonNode text = buttonConfig.get().get("text");
-                if (text != null && text.isTextual()) {
-                    text = new TextNode(processTemplate(text.asText(), templateContext));
-                    buttonConfig.get().set("text", text);
-                }
-                JsonNode link = buttonConfig.get().get("link");
-                if (link != null && link.isTextual()) {
-                    link = new TextNode(processTemplate(link.asText(), templateContext));
-                    buttonConfig.get().set("link", link);
-                }
+            String buttonText = webNotificationTemplate.getButtonText();
+            if (isNotEmpty(buttonText)) {
+                webNotificationTemplate.setButtonText(TemplateUtils.processTemplate(buttonText, templateContext));
+            }
+            String buttonLink = webNotificationTemplate.getButtonLink();
+            if (isNotEmpty(buttonLink)) {
+                webNotificationTemplate.setButtonLink(TemplateUtils.processTemplate(buttonLink, templateContext));
             }
         }
         return template;
     }
 
-    private static String processTemplate(String template, Map<String, String> context) {
-        return TEMPLATE_PARAM_PATTERN.matcher(template).replaceAll(matchResult -> {
-            String key = matchResult.group(1);
-            String value = Strings.nullToEmpty(context.get(key));
-            String function = matchResult.group(2);
-            if (function != null) {
-                switch (function) {
-                    case ":upperCase":
-                        return value.toUpperCase();
-                    case ":lowerCase":
-                        return value.toLowerCase();
-                    case ":capitalize":
-                        return StringUtils.capitalize(value.toLowerCase());
-                }
-            }
-            return value;
-        });
-    }
-
-    public Map<String, String> createTemplateContext(User recipient) {
-        Map<String, String> templateContext = new HashMap<>();
-        templateContext.put("recipientEmail", recipient.getEmail());
-        templateContext.put("recipientFirstName", Strings.nullToEmpty(recipient.getFirstName()));
-        templateContext.put("recipientLastName", Strings.nullToEmpty(recipient.getLastName()));
-        return templateContext;
-    }
-
-    public CustomerId getCustomerId() {
-        if (request.getInfo() instanceof RuleOriginatedNotificationInfo) {
-            return ((RuleOriginatedNotificationInfo) request.getInfo()).getOriginatorEntityCustomerId();
-        } else {
-            return null;
-        }
+    private Map<String, String> createTemplateContextForRecipient(NotificationRecipient recipient) {
+        return Map.of(
+                "recipientEmail", Strings.nullToEmpty(recipient.getEmail()),
+                "recipientFirstName", Strings.nullToEmpty(recipient.getFirstName()),
+                "recipientLastName", Strings.nullToEmpty(recipient.getLastName())
+        );
     }
 
 }

application/src/main/java/org/thingsboard/server/service/notification/channels/EmailNotificationChannel.java

@@ -19,7 +19,9 @@ import com.google.common.util.concurrent.ListenableFuture;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import org.thingsboard.rule.engine.api.MailService;
+import org.thingsboard.rule.engine.api.TbEmail;
 import org.thingsboard.server.common.data.User;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 import org.thingsboard.server.common.data.notification.template.EmailDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.service.mail.MailExecutorService;
@@ -35,11 +37,26 @@ public class EmailNotificationChannel implements NotificationChannel<User, Email
     @Override
     public ListenableFuture<Void> sendNotification(User recipient, EmailDeliveryMethodNotificationTemplate processedTemplate, NotificationProcessingContext ctx) {
         return executor.submit(() -> {
-            mailService.sendEmail(recipient.getTenantId(), recipient.getEmail(), processedTemplate.getSubject(), processedTemplate.getBody());
+            mailService.send(recipient.getTenantId(), null, TbEmail.builder()
+                    .to(recipient.getEmail())
+                    .subject(processedTemplate.getSubject())
+                    .body(processedTemplate.getBody())
+                    .html(true)
+                    .build());
             return null;
         });
     }
 
+    @Override
+    public boolean check(TenantId tenantId) {
+        try {
+            mailService.testConnection(tenantId);
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
     @Override
     public NotificationDeliveryMethod getDeliveryMethod() {
         return NotificationDeliveryMethod.EMAIL;

application/src/main/java/org/thingsboard/server/service/notification/channels/NotificationChannel.java

@@ -16,15 +16,18 @@
 package org.thingsboard.server.service.notification.channels;
 
 import com.google.common.util.concurrent.ListenableFuture;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
-import org.thingsboard.server.service.notification.NotificationProcessingContext;
 import org.thingsboard.server.common.data.notification.targets.NotificationRecipient;
 import org.thingsboard.server.common.data.notification.template.DeliveryMethodNotificationTemplate;
+import org.thingsboard.server.service.notification.NotificationProcessingContext;
 
 public interface NotificationChannel<R extends NotificationRecipient, T extends DeliveryMethodNotificationTemplate> {
 
     ListenableFuture<Void> sendNotification(R recipient, T processedTemplate, NotificationProcessingContext ctx);
 
+    boolean check(TenantId tenantId);
+
     NotificationDeliveryMethod getDeliveryMethod();
 
 }

application/src/main/java/org/thingsboard/server/service/notification/channels/SlackNotificationChannel.java

@@ -19,7 +19,10 @@ import com.google.common.util.concurrent.ListenableFuture;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import org.thingsboard.rule.engine.api.slack.SlackService;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
+import org.thingsboard.server.common.data.notification.settings.NotificationSettings;
+import org.thingsboard.server.dao.notification.NotificationSettingsService;
 import org.thingsboard.server.service.notification.NotificationProcessingContext;
 import org.thingsboard.server.common.data.notification.settings.SlackNotificationDeliveryMethodConfig;
 import org.thingsboard.server.common.data.notification.targets.slack.SlackConversation;
@@ -31,6 +34,7 @@ import org.thingsboard.server.service.executors.ExternalCallExecutorService;
 public class SlackNotificationChannel implements NotificationChannel<SlackConversation, SlackDeliveryMethodNotificationTemplate> {
 
     private final SlackService slackService;
+    private final NotificationSettingsService notificationSettingsService;
     private final ExternalCallExecutorService executor;
 
     @Override
@@ -42,6 +46,12 @@ public class SlackNotificationChannel implements NotificationChannel<SlackConver
         });
     }
 
+    @Override
+    public boolean check(TenantId tenantId) {
+        NotificationSettings notificationSettings = notificationSettingsService.findNotificationSettings(tenantId);
+        return notificationSettings.getDeliveryMethodsConfigs().containsKey(NotificationDeliveryMethod.SLACK);
+    }
+
     @Override
     public NotificationDeliveryMethod getDeliveryMethod() {
         return NotificationDeliveryMethod.SLACK;

application/src/main/java/org/thingsboard/server/service/notification/channels/SmsNotificationChannel.java

@@ -22,6 +22,7 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Component;
 import org.thingsboard.rule.engine.api.SmsService;
 import org.thingsboard.server.common.data.User;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 import org.thingsboard.server.common.data.notification.template.SmsDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.service.notification.NotificationProcessingContext;
@@ -47,6 +48,11 @@ public class SmsNotificationChannel implements NotificationChannel<User, SmsDeli
         });
     }
 
+    @Override
+    public boolean check(TenantId tenantId) {
+        return smsService.isConfigured(tenantId);
+    }
+
     @Override
     public NotificationDeliveryMethod getDeliveryMethod() {
         return NotificationDeliveryMethod.SMS;

application/src/main/java/org/thingsboard/server/service/notification/rule/DefaultNotificationRuleProcessingService.java → application/src/main/java/org/thingsboard/server/service/notification/rule/DefaultNotificationRuleProcessor.java

@@ -32,16 +32,15 @@ import org.thingsboard.server.common.data.notification.NotificationRequestConfig
 import org.thingsboard.server.common.data.notification.NotificationRequestStatus;
 import org.thingsboard.server.common.data.notification.info.NotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.NotificationRule;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
-import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.notification.trigger.NotificationRuleTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
 import org.thingsboard.server.dao.notification.NotificationRequestService;
-import org.thingsboard.server.dao.notification.NotificationRuleProcessingService;
 import org.thingsboard.server.dao.notification.NotificationRuleService;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineMsgTrigger;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
 import org.thingsboard.server.service.executors.NotificationExecutorService;
 import org.thingsboard.server.service.notification.rule.trigger.NotificationRuleTriggerProcessor;
 import org.thingsboard.server.service.notification.rule.trigger.RuleEngineMsgNotificationRuleTriggerProcessor;
@@ -59,7 +58,7 @@ import java.util.stream.Collectors;
 @RequiredArgsConstructor
 @Slf4j
 @SuppressWarnings({"rawtypes", "unchecked"})
-public class DefaultNotificationRuleProcessingService implements NotificationRuleProcessingService {
+public class DefaultNotificationRuleProcessor implements NotificationRuleProcessor {
 
     private final NotificationRuleService notificationRuleService;
     private final NotificationRequestService notificationRequestService;
@@ -69,16 +68,17 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
 
     private final Map<NotificationRuleTriggerType, NotificationRuleTriggerProcessor> triggerProcessors = new EnumMap<>(NotificationRuleTriggerType.class);
 
-    private final Map<String, NotificationRuleTriggerType> ruleEngineMsgTypeToTriggerType = new HashMap<>();
-
     @Override
-    public void process(TenantId tenantId, NotificationRuleTrigger trigger) {
-        List<NotificationRule> rules = notificationRuleService.findNotificationRulesByTenantIdAndTriggerType(
-                trigger.getType().isTenantLevel() ? tenantId : TenantId.SYS_TENANT_ID, trigger.getType());
+    public void process(NotificationRuleTrigger trigger) {
+        NotificationRuleTriggerType triggerType = trigger.getType();
+        if (triggerType == null) return;
+        TenantId tenantId = triggerType.isTenantLevel() ? trigger.getTenantId() : TenantId.SYS_TENANT_ID;
+
+        List<NotificationRule> rules = notificationRuleService.findNotificationRulesByTenantIdAndTriggerType(tenantId, triggerType);
         for (NotificationRule rule : rules) {
             notificationExecutor.submit(() -> {
                 try {
-                    processNotificationRule(tenantId, rule, trigger);
+                    processNotificationRule(rule, trigger);
                 } catch (Throwable e) {
                     log.error("Failed to process notification rule {} for trigger type {} with trigger object {}", rule.getId(), rule.getTriggerType(), trigger, e);
                 }
@@ -86,24 +86,12 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
         }
     }
 
-    @Override
-    public void process(TenantId tenantId, TbMsg ruleEngineMsg) {
-        NotificationRuleTriggerType triggerType = ruleEngineMsgTypeToTriggerType.get(ruleEngineMsg.getType());
-        if (triggerType == null) {
-            return;
-        }
-        process(tenantId, RuleEngineMsgTrigger.builder()
-                .msg(ruleEngineMsg)
-                .triggerType(triggerType)
-                .build());
-    }
-
-    private void processNotificationRule(TenantId tenantId, NotificationRule rule, NotificationRuleTrigger trigger) {
+    private void processNotificationRule(NotificationRule rule, NotificationRuleTrigger trigger) {
         NotificationRuleTriggerConfig triggerConfig = rule.getTriggerConfig();
         log.debug("Processing notification rule '{}' for trigger type {}", rule.getName(), rule.getTriggerType());
 
         if (matchesClearRule(trigger, triggerConfig)) {
-            List<NotificationRequest> notificationRequests = notificationRequestService.findNotificationRequestsByRuleIdAndOriginatorEntityId(tenantId, rule.getId(), trigger.getOriginatorEntityId());
+            List<NotificationRequest> notificationRequests = findAlreadySentNotificationRequests(rule, trigger);
             if (notificationRequests.isEmpty()) {
                 return;
             }
@@ -113,11 +101,11 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
                     .flatMap(notificationRequest -> notificationRequest.getTargets().stream())
                     .distinct().collect(Collectors.toList());
             NotificationInfo notificationInfo = constructNotificationInfo(trigger, triggerConfig);
-            submitNotificationRequest(tenantId, targets, rule, trigger.getOriginatorEntityId(), notificationInfo, 0);
+            submitNotificationRequest(targets, rule, trigger.getOriginatorEntityId(), notificationInfo, 0);
 
             notificationRequests.forEach(notificationRequest -> {
                 if (notificationRequest.isScheduled()) {
-                    notificationCenter.deleteNotificationRequest(tenantId, notificationRequest.getId());
+                    notificationCenter.deleteNotificationRequest(rule.getTenantId(), notificationRequest.getId());
                 }
             });
             return;
@@ -126,31 +114,23 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
         if (matchesFilter(trigger, triggerConfig)) {
             NotificationInfo notificationInfo = constructNotificationInfo(trigger, triggerConfig);
             rule.getRecipientsConfig().getTargetsTable().forEach((delay, targets) -> {
-                submitNotificationRequest(tenantId, targets, rule, trigger.getOriginatorEntityId(), notificationInfo, delay);
+                submitNotificationRequest(targets, rule, trigger.getOriginatorEntityId(), notificationInfo, delay);
             });
         }
     }
 
-    private boolean matchesFilter(NotificationRuleTrigger trigger, NotificationRuleTriggerConfig triggerConfig) {
-        return triggerProcessors.get(triggerConfig.getTriggerType()).matchesFilter(trigger, triggerConfig);
+    private List<NotificationRequest> findAlreadySentNotificationRequests(NotificationRule rule, NotificationRuleTrigger trigger) {
+        return notificationRequestService.findNotificationRequestsByRuleIdAndOriginatorEntityId(rule.getTenantId(), rule.getId(), trigger.getOriginatorEntityId());
     }
 
-    private boolean matchesClearRule(NotificationRuleTrigger trigger, NotificationRuleTriggerConfig triggerConfig) {
-        return triggerProcessors.get(triggerConfig.getTriggerType()).matchesClearRule(trigger, triggerConfig);
-    }
-
-    private NotificationInfo constructNotificationInfo(NotificationRuleTrigger trigger, NotificationRuleTriggerConfig triggerConfig) {
-        return triggerProcessors.get(triggerConfig.getTriggerType()).constructNotificationInfo(trigger, triggerConfig);
-    }
-
-    private void submitNotificationRequest(TenantId tenantId, List<UUID> targets, NotificationRule rule,
+    private void submitNotificationRequest(List<UUID> targets, NotificationRule rule,
                                            EntityId originatorEntityId, NotificationInfo notificationInfo, int delayInSec) {
         NotificationRequestConfig config = new NotificationRequestConfig();
         if (delayInSec > 0) {
             config.setSendingDelayInSec(delayInSec);
         }
         NotificationRequest notificationRequest = NotificationRequest.builder()
-                .tenantId(tenantId)
+                .tenantId(rule.getTenantId())
                 .targets(targets)
                 .templateId(rule.getTemplateId())
                 .additionalConfig(config)
@@ -161,13 +141,25 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
         notificationExecutor.submit(() -> {
             try {
                 log.debug("Submitting notification request for rule '{}' with delay of {} sec to targets {}", rule.getName(), delayInSec, targets);
-                notificationCenter.processNotificationRequest(tenantId, notificationRequest);
+                notificationCenter.processNotificationRequest(rule.getTenantId(), notificationRequest, null);
             } catch (Exception e) {
-                log.error("Failed to process notification request for rule {}", rule.getId(), e);
+                log.error("Failed to process notification request for tenant {} for rule {}", rule.getTenantId(), rule.getId(), e);
             }
         });
     }
 
+    private boolean matchesFilter(NotificationRuleTrigger trigger, NotificationRuleTriggerConfig triggerConfig) {
+        return triggerProcessors.get(triggerConfig.getTriggerType()).matchesFilter(trigger, triggerConfig);
+    }
+
+    private boolean matchesClearRule(NotificationRuleTrigger trigger, NotificationRuleTriggerConfig triggerConfig) {
+        return triggerProcessors.get(triggerConfig.getTriggerType()).matchesClearRule(trigger, triggerConfig);
+    }
+
+    private NotificationInfo constructNotificationInfo(NotificationRuleTrigger trigger, NotificationRuleTriggerConfig triggerConfig) {
+        return triggerProcessors.get(triggerConfig.getTriggerType()).constructNotificationInfo(trigger);
+    }
+
     @EventListener(ComponentLifecycleMsg.class)
     public void onNotificationRuleDeleted(ComponentLifecycleMsg componentLifecycleMsg) {
         if (componentLifecycleMsg.getEvent() != ComponentLifecycleEvent.DELETED ||
@@ -187,6 +179,7 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
 
     @Autowired
     public void setTriggerProcessors(Collection<NotificationRuleTriggerProcessor> processors) {
+        Map<String, NotificationRuleTriggerType> ruleEngineMsgTypeToTriggerType = new HashMap<>();
         processors.forEach(processor -> {
             triggerProcessors.put(processor.getTriggerType(), processor);
             if (processor instanceof RuleEngineMsgNotificationRuleTriggerProcessor) {
@@ -196,6 +189,7 @@ public class DefaultNotificationRuleProcessingService implements NotificationRul
                 });
             }
         });
+        RuleEngineMsgTrigger.msgTypeToTriggerType = ruleEngineMsgTypeToTriggerType;
     }
 
 }

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/AlarmAssignmentTriggerProcessor.java

@@ -23,11 +23,11 @@ import org.thingsboard.server.common.data.alarm.AlarmAssignee;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.alarm.AlarmStatusFilter;
 import org.thingsboard.server.common.data.notification.info.AlarmAssignmentNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmAssignmentNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmAssignmentNotificationRuleTriggerConfig.Action;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineMsgTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 
 import java.util.Set;
 
@@ -49,7 +49,7 @@ public class AlarmAssignmentTriggerProcessor implements RuleEngineMsgNotificatio
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger, AlarmAssignmentNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger) {
         AlarmInfo alarmInfo = JacksonUtil.fromString(trigger.getMsg().getData(), AlarmInfo.class);
         AlarmAssignee assignee = alarmInfo.getAssignee();
         return AlarmAssignmentNotificationInfo.builder()
@@ -58,7 +58,9 @@ public class AlarmAssignmentTriggerProcessor implements RuleEngineMsgNotificatio
                 .assigneeLastName(assignee != null ? assignee.getLastName() : null)
                 .assigneeEmail(assignee != null ? assignee.getEmail() : null)
                 .assigneeId(assignee != null ? assignee.getId() : null)
-                .userName(trigger.getMsg().getMetaData().getValue("userName"))
+                .userEmail(trigger.getMsg().getMetaData().getValue("userEmail"))
+                .userFirstName(trigger.getMsg().getMetaData().getValue("userFirstName"))
+                .userLastName(trigger.getMsg().getMetaData().getValue("userLastName"))
                 .alarmId(alarmInfo.getUuidId())
                 .alarmType(alarmInfo.getType())
                 .alarmOriginator(alarmInfo.getOriginator())

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/AlarmCommentTriggerProcessor.java

@@ -24,11 +24,11 @@ import org.thingsboard.server.common.data.alarm.AlarmCommentType;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.alarm.AlarmStatusFilter;
 import org.thingsboard.server.common.data.notification.info.AlarmCommentNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmCommentNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.msg.TbMsg;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineMsgTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 
 import java.util.Set;
 
@@ -59,14 +59,16 @@ public class AlarmCommentTriggerProcessor implements RuleEngineMsgNotificationRu
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger, AlarmCommentNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger) {
         TbMsg msg = trigger.getMsg();
         AlarmComment comment = JacksonUtil.fromString(msg.getMetaData().getValue("comment"), AlarmComment.class);
         AlarmInfo alarmInfo = JacksonUtil.fromString(msg.getData(), AlarmInfo.class);
         return AlarmCommentNotificationInfo.builder()
                 .comment(comment.getComment().get("text").asText())
                 .action(msg.getType().equals(DataConstants.COMMENT_CREATED) ? "added" : "updated")
-                .userName(msg.getMetaData().getValue("userName"))
+                .userEmail(trigger.getMsg().getMetaData().getValue("userEmail"))
+                .userFirstName(trigger.getMsg().getMetaData().getValue("userFirstName"))
+                .userLastName(trigger.getMsg().getMetaData().getValue("userLastName"))
                 .alarmId(alarmInfo.getUuidId())
                 .alarmType(alarmInfo.getType())
                 .alarmOriginator(alarmInfo.getOriginator())

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/AlarmTriggerProcessor.java

@@ -20,13 +20,13 @@ import org.thingsboard.server.common.data.alarm.Alarm;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.alarm.AlarmStatusFilter;
 import org.thingsboard.server.common.data.notification.info.AlarmNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmNotificationRuleTriggerConfig.AlarmAction;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmNotificationRuleTriggerConfig.ClearRule;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
-import org.thingsboard.server.dao.alarm.AlarmApiCallResult;
-import org.thingsboard.server.dao.notification.trigger.AlarmTrigger;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
+import org.thingsboard.server.common.msg.notification.trigger.AlarmTrigger;
 
 import static org.apache.commons.collections.CollectionUtils.isEmpty;
 import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
@@ -93,7 +93,7 @@ public class AlarmTriggerProcessor implements NotificationRuleTriggerProcessor<A
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(AlarmTrigger trigger, AlarmNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(AlarmTrigger trigger) {
         AlarmApiCallResult alarmUpdate = trigger.getAlarmUpdate();
         AlarmInfo alarmInfo = alarmUpdate.getAlarm();
         return AlarmNotificationInfo.builder()

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/ApiUsageLimitTriggerProcessor.java

@@ -0,0 +1,59 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.notification.rule.trigger;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.notification.info.ApiUsageLimitNotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
+import org.thingsboard.server.common.data.notification.rule.trigger.ApiUsageLimitNotificationRuleTriggerConfig;
+import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
+import org.thingsboard.server.common.msg.notification.trigger.ApiUsageLimitTrigger;
+import org.thingsboard.server.dao.tenant.TenantService;
+
+import static org.apache.commons.collections.CollectionUtils.isEmpty;
+
+@Service
+@RequiredArgsConstructor
+public class ApiUsageLimitTriggerProcessor implements NotificationRuleTriggerProcessor<ApiUsageLimitTrigger, ApiUsageLimitNotificationRuleTriggerConfig> {
+
+    private final TenantService tenantService;
+
+    @Override
+    public boolean matchesFilter(ApiUsageLimitTrigger trigger, ApiUsageLimitNotificationRuleTriggerConfig triggerConfig) {
+        return (isEmpty(triggerConfig.getApiFeatures()) || triggerConfig.getApiFeatures().contains(trigger.getState().getApiFeature())) &&
+                (isEmpty(triggerConfig.getNotifyOn()) || triggerConfig.getNotifyOn().contains(trigger.getStatus()));
+    }
+
+    @Override
+    public RuleOriginatedNotificationInfo constructNotificationInfo(ApiUsageLimitTrigger trigger) {
+        return ApiUsageLimitNotificationInfo.builder()
+                .feature(trigger.getState().getApiFeature())
+                .recordKey(trigger.getState().getKey())
+                .status(trigger.getStatus())
+                .limit(trigger.getState().getThresholdAsString())
+                .currentValue(trigger.getState().getValueAsString())
+                .tenantId(trigger.getTenantId())
+                .tenantName(tenantService.findTenantById(trigger.getTenantId()).getName())
+                .build();
+    }
+
+    @Override
+    public NotificationRuleTriggerType getTriggerType() {
+        return NotificationRuleTriggerType.API_USAGE_LIMIT;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/DeviceInactivityTriggerProcessor.java → application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/DeviceActivityTriggerProcessor.java

@@ -22,24 +22,29 @@ import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.notification.info.DeviceInactivityNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
-import org.thingsboard.server.common.data.notification.rule.trigger.DeviceInactivityNotificationRuleTriggerConfig;
+import org.thingsboard.server.common.data.notification.info.DeviceActivityNotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
+import org.thingsboard.server.common.data.notification.rule.trigger.DeviceActivityNotificationRuleTriggerConfig;
+import org.thingsboard.server.common.data.notification.rule.trigger.DeviceActivityNotificationRuleTriggerConfig.DeviceEvent;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.msg.TbMsg;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineMsgTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 import org.thingsboard.server.service.profile.TbDeviceProfileCache;
 
 import java.util.Set;
 
 @Service
 @RequiredArgsConstructor
-public class DeviceInactivityTriggerProcessor implements RuleEngineMsgNotificationRuleTriggerProcessor<DeviceInactivityNotificationRuleTriggerConfig> {
+public class DeviceActivityTriggerProcessor implements RuleEngineMsgNotificationRuleTriggerProcessor<DeviceActivityNotificationRuleTriggerConfig> {
 
     private final TbDeviceProfileCache deviceProfileCache;
 
     @Override
-    public boolean matchesFilter(RuleEngineMsgTrigger trigger, DeviceInactivityNotificationRuleTriggerConfig triggerConfig) {
+    public boolean matchesFilter(RuleEngineMsgTrigger trigger, DeviceActivityNotificationRuleTriggerConfig triggerConfig) {
+        DeviceEvent event = trigger.getMsg().getType().equals(DataConstants.ACTIVITY_EVENT) ? DeviceEvent.ACTIVE : DeviceEvent.INACTIVE;
+        if (!triggerConfig.getNotifyOn().contains(event)) {
+            return false;
+        }
         DeviceId deviceId = (DeviceId) trigger.getMsg().getOriginator();
         if (CollectionUtils.isNotEmpty(triggerConfig.getDevices())) {
             return triggerConfig.getDevices().contains(deviceId.getId());
@@ -52,9 +57,10 @@ public class DeviceInactivityTriggerProcessor implements RuleEngineMsgNotificati
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger, DeviceInactivityNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger) {
         TbMsg msg = trigger.getMsg();
-        return DeviceInactivityNotificationInfo.builder()
+        return DeviceActivityNotificationInfo.builder()
+                .eventType(trigger.getMsg().getType().equals(DataConstants.ACTIVITY_EVENT) ? "active" : "inactive")
                 .deviceId(msg.getOriginator().getId())
                 .deviceName(msg.getMetaData().getValue("deviceName"))
                 .deviceType(msg.getMetaData().getValue("deviceType"))
@@ -65,12 +71,12 @@ public class DeviceInactivityTriggerProcessor implements RuleEngineMsgNotificati
 
     @Override
     public NotificationRuleTriggerType getTriggerType() {
-        return NotificationRuleTriggerType.DEVICE_INACTIVITY;
+        return NotificationRuleTriggerType.DEVICE_ACTIVITY;
     }
 
     @Override
     public Set<String> getSupportedMsgTypes() {
-        return Set.of(DataConstants.INACTIVITY_EVENT);
+        return Set.of(DataConstants.ACTIVITY_EVENT, DataConstants.INACTIVITY_EVENT);
     }
 
 }

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/EntitiesLimitTriggerProcessor.java

@@ -18,10 +18,10 @@ package org.thingsboard.server.service.notification.rule.trigger;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.notification.info.EntitiesLimitNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.EntitiesLimitNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
-import org.thingsboard.server.dao.notification.trigger.EntitiesLimitTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.EntitiesLimitTrigger;
 import org.thingsboard.server.dao.tenant.TenantService;
 
 import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
@@ -41,7 +41,7 @@ public class EntitiesLimitTriggerProcessor implements NotificationRuleTriggerPro
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(EntitiesLimitTrigger trigger, EntitiesLimitNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(EntitiesLimitTrigger trigger) {
         return EntitiesLimitNotificationInfo.builder()
                 .entityType(trigger.getEntityType())
                 .currentCount(trigger.getCurrentCount())

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/EntityActionTriggerProcessor.java

@@ -20,16 +20,18 @@ import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.audit.ActionType;
 import org.thingsboard.server.common.data.notification.info.EntityActionNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.EntityActionNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.msg.TbMsg;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineMsgTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 
 import java.util.Optional;
 import java.util.Set;
 import java.util.UUID;
 
+import static org.apache.commons.collections.CollectionUtils.isEmpty;
+
 @Service
 public class EntityActionTriggerProcessor implements RuleEngineMsgNotificationRuleTriggerProcessor<EntityActionNotificationRuleTriggerConfig> {
 
@@ -51,11 +53,11 @@ public class EntityActionTriggerProcessor implements RuleEngineMsgNotificationRu
         } else {
             return false;
         }
-        return triggerConfig.getEntityType() == null || getEntityType(trigger.getMsg()) == triggerConfig.getEntityType();
+        return isEmpty(triggerConfig.getEntityTypes()) || triggerConfig.getEntityTypes().contains(getEntityType(trigger.getMsg()));
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger, EntityActionNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(RuleEngineMsgTrigger trigger) {
         TbMsg msg = trigger.getMsg();
         String msgType = msg.getType();
         ActionType actionType = msgType.equals(DataConstants.ENTITY_CREATED) ? ActionType.ADDED :
@@ -65,8 +67,10 @@ public class EntityActionTriggerProcessor implements RuleEngineMsgNotificationRu
                 .entityId(msg.getOriginator())
                 .entityName(msg.getMetaData().getValue("entityName"))
                 .actionType(actionType)
-                .originatorUserId(UUID.fromString(msg.getMetaData().getValue("userId")))
-                .originatorUserName(msg.getMetaData().getValue("userName"))
+                .userId(UUID.fromString(msg.getMetaData().getValue("userId")))
+                .userEmail(trigger.getMsg().getMetaData().getValue("userEmail"))
+                .userFirstName(trigger.getMsg().getMetaData().getValue("userFirstName"))
+                .userLastName(trigger.getMsg().getMetaData().getValue("userLastName"))
                 .entityCustomerId(msg.getCustomerId())
                 .build();
     }

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/NewPlatformVersionTriggerProcessor.java

@@ -21,9 +21,9 @@ import org.springframework.stereotype.Service;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.info.NewPlatformVersionNotificationInfo;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.NewPlatformVersionNotificationRuleTriggerConfig;
-import org.thingsboard.server.common.data.notification.rule.trigger.NewPlatformVersionTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.NewPlatformVersionTrigger;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.queue.discovery.PartitionService;
@@ -44,7 +44,7 @@ public class NewPlatformVersionTriggerProcessor implements NotificationRuleTrigg
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(NewPlatformVersionTrigger trigger, NewPlatformVersionNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(NewPlatformVersionTrigger trigger) {
         return NewPlatformVersionNotificationInfo.builder()
                 .message(JacksonUtil.convertValue(trigger.getMessage(), new TypeReference<>() {}))
                 .build();

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/NotificationRuleTriggerProcessor.java

@@ -15,8 +15,8 @@
  */
 package org.thingsboard.server.service.notification.rule.trigger;
 
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
+import org.thingsboard.server.common.msg.notification.trigger.NotificationRuleTrigger;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 
@@ -28,7 +28,7 @@ public interface NotificationRuleTriggerProcessor<T extends NotificationRuleTrig
         return false;
     }
 
-    NotificationInfo constructNotificationInfo(T trigger, C triggerConfig);
+    RuleOriginatedNotificationInfo constructNotificationInfo(T trigger);
 
     NotificationRuleTriggerType getTriggerType();
 

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/RuleEngineComponentLifecycleEventTriggerProcessor.java

@@ -15,25 +15,31 @@
  */
 package org.thingsboard.server.service.notification.rule.trigger;
 
+import lombok.RequiredArgsConstructor;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.EntityType;
-import org.thingsboard.server.common.data.notification.info.NotificationInfo;
 import org.thingsboard.server.common.data.notification.info.RuleEngineComponentLifecycleEventNotificationInfo;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.data.notification.rule.trigger.RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineComponentLifecycleEventTrigger;
+import org.thingsboard.server.common.msg.queue.ServiceType;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineComponentLifecycleEventTrigger;
+import org.thingsboard.server.queue.discovery.PartitionService;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.Set;
 
 @Service
+@RequiredArgsConstructor
 public class RuleEngineComponentLifecycleEventTriggerProcessor implements NotificationRuleTriggerProcessor<RuleEngineComponentLifecycleEventTrigger, RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig> {
 
+    private final PartitionService partitionService;
+
     @Override
     public boolean matchesFilter(RuleEngineComponentLifecycleEventTrigger trigger, RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig triggerConfig) {
         if (CollectionUtils.isNotEmpty(triggerConfig.getRuleChains())) {
@@ -41,6 +47,9 @@ public class RuleEngineComponentLifecycleEventTriggerProcessor implements Notifi
                 return false;
             }
         }
+        if (!partitionService.resolve(ServiceType.TB_RULE_ENGINE, trigger.getTenantId(), trigger.getComponentId()).isMyPartition()) {
+            return false;
+        }
 
         EntityType componentType = trigger.getComponentId().getEntityType();
         Set<ComponentLifecycleEvent> trackedEvents;
@@ -68,7 +77,7 @@ public class RuleEngineComponentLifecycleEventTriggerProcessor implements Notifi
     }
 
     @Override
-    public NotificationInfo constructNotificationInfo(RuleEngineComponentLifecycleEventTrigger trigger, RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig triggerConfig) {
+    public RuleOriginatedNotificationInfo constructNotificationInfo(RuleEngineComponentLifecycleEventTrigger trigger) {
         return RuleEngineComponentLifecycleEventNotificationInfo.builder()
                 .ruleChainId(trigger.getRuleChainId())
                 .ruleChainName(trigger.getRuleChainName())

application/src/main/java/org/thingsboard/server/service/notification/rule/trigger/RuleEngineMsgNotificationRuleTriggerProcessor.java

@@ -16,7 +16,7 @@
 package org.thingsboard.server.service.notification.rule.trigger;
 
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerConfig;
-import org.thingsboard.server.dao.notification.trigger.RuleEngineMsgTrigger;
+import org.thingsboard.server.common.msg.notification.trigger.RuleEngineMsgTrigger;
 
 import java.util.Set;
 

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java

@@ -35,10 +35,12 @@ import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.rpc.RpcError;
 import org.thingsboard.server.common.msg.MsgType;
 import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.notification.trigger.NotificationRuleTrigger;
 import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TbCallback;
 import org.thingsboard.server.common.msg.rpc.FromDeviceRpcResponse;
 import org.thingsboard.server.common.stats.StatsFactory;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
 import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.gen.transport.TransportProtos;
 import org.thingsboard.server.gen.transport.TransportProtos.DeviceStateServiceMsgProto;
@@ -129,6 +131,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
     private final OtaPackageStateService firmwareStateService;
     private final GitVersionControlQueueService vcQueueService;
     private final NotificationSchedulerService notificationSchedulerService;
+    private final NotificationRuleProcessor notificationRuleProcessor;
     private final TbCoreConsumerStats stats;
     protected final TbQueueConsumer<TbProtoQueueMsg<ToUsageStatsServiceMsg>> usageStatsConsumer;
     private final TbQueueConsumer<TbProtoQueueMsg<ToOtaPackageStateServiceMsg>> firmwareStatesConsumer;
@@ -156,7 +159,8 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                                         PartitionService partitionService,
                                         ApplicationEventPublisher eventPublisher,
                                         Optional<JwtSettingsService> jwtSettingsService,
-                                        NotificationSchedulerService notificationSchedulerService) {
+                                        NotificationSchedulerService notificationSchedulerService,
+                                        NotificationRuleProcessor notificationRuleProcessor) {
         super(actorContext, encodingService, tenantProfileCache, deviceProfileCache, assetProfileCache, apiUsageStateService, partitionService, eventPublisher, tbCoreQueueFactory.createToCoreNotificationsMsgConsumer(), jwtSettingsService);
         this.mainConsumer = tbCoreQueueFactory.createToCoreMsgConsumer();
         this.usageStatsConsumer = tbCoreQueueFactory.createToUsageStatsServiceMsgConsumer();
@@ -171,6 +175,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
         this.firmwareStateService = firmwareStateService;
         this.vcQueueService = vcQueueService;
         this.notificationSchedulerService = notificationSchedulerService;
+        this.notificationRuleProcessor = notificationRuleProcessor;
     }
 
     @PostConstruct
@@ -269,6 +274,9 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                                     TransportProtos.NotificationSchedulerServiceMsg notificationSchedulerServiceMsg = toCoreMsg.getNotificationSchedulerServiceMsg();
                                     log.trace("[{}] Forwarding message to notification scheduler service {}", id, toCoreMsg.getNotificationSchedulerServiceMsg());
                                     forwardToNotificationSchedulerService(notificationSchedulerServiceMsg, callback);
+                                } else if (toCoreMsg.hasNotificationRuleProcessorMsg()) {
+                                    Optional<NotificationRuleTrigger> notificationRuleTrigger = encodingService.decode(toCoreMsg.getNotificationRuleProcessorMsg().getTrigger().toByteArray());
+                                    notificationRuleTrigger.ifPresent(notificationRuleProcessor::process);
                                 }
                             } catch (Throwable e) {
                                 log.warn("[{}] Failed to process message: {}", id, msg, e);

application/src/main/java/org/thingsboard/server/service/slack/DefaultSlackService.java

@@ -44,6 +44,8 @@ import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
+import static org.apache.commons.lang3.StringUtils.isNotEmpty;
+
 @Service
 @RequiredArgsConstructor
 public class DefaultSlackService implements SlackService {
@@ -80,7 +82,14 @@ public class DefaultSlackService implements SlackService {
                         .map(user -> {
                             SlackConversation conversation = new SlackConversation();
                             conversation.setId(user.getId());
-                            conversation.setName(String.format("@%s (%s)", user.getName(), user.getRealName()));
+                            conversation.setShortName(user.getName());
+                            conversation.setWholeName(user.getProfile() != null ? user.getProfile().getRealNameNormalized() : user.getRealName());
+                            conversation.setEmail(user.getProfile() != null ? user.getProfile().getEmail() : null);
+                            String title = "@" + conversation.getShortName();
+                            if (isNotEmpty(conversation.getWholeName()) && !conversation.getWholeName().equals(conversation.getShortName())) {
+                                title += " (" + conversation.getWholeName() + ")";
+                            }
+                            conversation.setTitle(title);
                             return conversation;
                         })
                         .collect(Collectors.toList());
@@ -99,7 +108,9 @@ public class DefaultSlackService implements SlackService {
                         .map(channel -> {
                             SlackConversation conversation = new SlackConversation();
                             conversation.setId(channel.getId());
-                            conversation.setName("#" + channel.getName());
+                            conversation.setShortName(channel.getName());
+                            conversation.setWholeName(channel.getNameNormalized());
+                            conversation.setTitle("#" + channel.getName());
                             return conversation;
                         })
                         .collect(Collectors.toList());
@@ -111,7 +122,7 @@ public class DefaultSlackService implements SlackService {
     public SlackConversation findConversation(TenantId tenantId, String token, SlackConversationType conversationType, String namePattern) {
         List<SlackConversation> conversations = listConversations(tenantId, token, conversationType);
         return conversations.stream()
-                .filter(conversation -> StringUtils.containsIgnoreCase(conversation.getName(), namePattern))
+                .filter(conversation -> StringUtils.containsIgnoreCase(conversation.getTitle(), namePattern))
                 .findFirst().orElse(null);
     }
 
@@ -144,7 +155,7 @@ public class DefaultSlackService implements SlackService {
                 String neededScope = response.getNeeded();
                 error = "bot token scope '" + neededScope + "' is needed";
             }
-            throw new RuntimeException("Failed to send message via Slack: " + error);
+            throw new RuntimeException("Slack API error: " + error);
         }
 
         return response;

application/src/main/java/org/thingsboard/server/service/subscription/DefaultSubscriptionManagerService.java

@@ -316,20 +316,11 @@ public class DefaultSubscriptionManagerService extends TbApplicationEventListene
         Set<TbSubscription> subscriptions = subscriptionsByEntityId.get(recipientId);
         if (subscriptions != null) {
             NotificationsSubscriptionUpdate subscriptionUpdate = new NotificationsSubscriptionUpdate(notificationUpdate);
+            log.trace("Handling notificationUpdate for user {}: {}", recipientId, notificationUpdate);
             subscriptions.stream()
                     .filter(subscription -> subscription.getType() == TbSubscriptionType.NOTIFICATIONS
                             || subscription.getType() == TbSubscriptionType.NOTIFICATIONS_COUNT)
-                    .forEach(subscription -> {
-                        if (serviceId.equals(subscription.getServiceId())) {
-                            localSubscriptionService.onSubscriptionUpdate(subscription.getSessionId(),
-                                    subscription.getSubscriptionId(), subscriptionUpdate, TbCallback.EMPTY);
-                        } else {
-                            TopicPartitionInfo tpi = notificationsTopicService.getNotificationsTopic(ServiceType.TB_CORE, subscription.getServiceId());
-                            ToCoreNotificationMsg updateProto = TbSubscriptionUtils.notificationsSubUpdateToProto(subscription, subscriptionUpdate);
-                            TbProtoQueueMsg<ToCoreNotificationMsg> queueMsg = new TbProtoQueueMsg<>(subscription.getEntityId().getId(), updateProto);
-                            toCoreNotificationsProducer.send(tpi, queueMsg, null);
-                        }
-                    });
+                    .forEach(subscription -> onNotificationsSubUpdate(subscriptionUpdate, subscription));
         }
         callback.onSuccess();
     }
@@ -341,21 +332,37 @@ public class DefaultSubscriptionManagerService extends TbApplicationEventListene
             if (entityId.getEntityType() != EntityType.USER) {
                 return;
             }
+            log.trace("Handling notificationRequestUpdate for user {}: {}", entityId, notificationRequestUpdate);
             subscriptions.forEach(subscription -> {
                 if (subscription.getType() != TbSubscriptionType.NOTIFICATIONS &&
                         subscription.getType() != TbSubscriptionType.NOTIFICATIONS_COUNT) {
                     return;
                 }
-                if (!subscription.getTenantId().equals(tenantId) || !subscription.getServiceId().equals(serviceId)) {
+                if (!subscription.getTenantId().equals(tenantId)) {
                     return;
                 }
-                localSubscriptionService.onSubscriptionUpdate(subscription.getSessionId(), subscription.getSubscriptionId(),
-                        subscriptionUpdate, TbCallback.EMPTY);
+                onNotificationsSubUpdate(subscriptionUpdate, subscription);
             });
         });
         callback.onSuccess();
     }
 
+    private void onNotificationsSubUpdate(NotificationsSubscriptionUpdate subscriptionUpdate, TbSubscription subscription) {
+        if (serviceId.equals(subscription.getServiceId())) {
+            log.trace("[{}][{}][{}] Subscription session is managed by current service, forwarding to localSubscriptionService (update: {})",
+                    subscription.getServiceId(), subscription.getEntityId(), subscription.getSessionId(), subscriptionUpdate);
+            localSubscriptionService.onSubscriptionUpdate(subscription.getSessionId(),
+                    subscription.getSubscriptionId(), subscriptionUpdate, TbCallback.EMPTY);
+        } else {
+            log.trace("[{}][{}][{}] Subscription session is not managed by current service (update: {})",
+                    subscription.getServiceId(), subscription.getEntityId(), subscription.getSessionId(), subscriptionUpdate);
+            TopicPartitionInfo tpi = notificationsTopicService.getNotificationsTopic(ServiceType.TB_CORE, subscription.getServiceId());
+            ToCoreNotificationMsg updateProto = TbSubscriptionUtils.notificationsSubUpdateToProto(subscription, subscriptionUpdate);
+            TbProtoQueueMsg<ToCoreNotificationMsg> queueMsg = new TbProtoQueueMsg<>(subscription.getEntityId().getId(), updateProto);
+            toCoreNotificationsProducer.send(tpi, queueMsg, null);
+        }
+    }
+
     @Override
     public void onAttributesDelete(TenantId tenantId, EntityId entityId, String scope, List<String> keys, boolean notifyDevice, TbCallback callback) {
         onLocalTelemetrySubUpdate(entityId,

application/src/main/java/org/thingsboard/server/service/subscription/DefaultTbEntityDataSubscriptionService.java

@@ -94,8 +94,7 @@ public class DefaultTbEntityDataSubscriptionService implements TbEntityDataSubsc
     private static final int DEFAULT_LIMIT = 100;
     private final Map<String, Map<Integer, TbAbstractSubCtx>> subscriptionsBySessionId = new ConcurrentHashMap<>();
 
-    @Autowired
-    @Lazy
+    @Autowired @Lazy
     private WebSocketService wsService;
 
     @Autowired

application/src/main/java/org/thingsboard/server/service/telemetry/DefaultAlarmSubscriptionService.java

@@ -26,6 +26,7 @@ import org.springframework.stereotype.Service;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.ApiUsageRecordKey;
 import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.common.data.alarm.AlarmComment;
 import org.thingsboard.server.common.data.alarm.AlarmCommentType;
 import org.thingsboard.server.common.data.alarm.AlarmCreateOrUpdateActiveRequest;
@@ -45,15 +46,14 @@ import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.query.AlarmData;
 import org.thingsboard.server.common.data.query.AlarmDataQuery;
+import org.thingsboard.server.common.msg.notification.trigger.AlarmTrigger;
 import org.thingsboard.server.common.msg.queue.TbCallback;
 import org.thingsboard.server.common.stats.TbApiUsageReportClient;
-import org.thingsboard.server.dao.alarm.AlarmApiCallResult;
 import org.thingsboard.server.dao.alarm.AlarmOperationResult;
 import org.thingsboard.server.dao.alarm.AlarmService;
-import org.thingsboard.server.dao.notification.NotificationRuleProcessingService;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
 import org.thingsboard.server.service.apiusage.TbApiUsageStateService;
 import org.thingsboard.server.service.entitiy.alarm.TbAlarmCommentService;
-import org.thingsboard.server.dao.notification.trigger.AlarmTrigger;
 import org.thingsboard.server.service.subscription.TbSubscriptionUtils;
 
 import java.util.Collection;
@@ -70,7 +70,7 @@ public class DefaultAlarmSubscriptionService extends AbstractSubscriptionService
     private final TbAlarmCommentService alarmCommentService;
     private final TbApiUsageReportClient apiUsageClient;
     private final TbApiUsageStateService apiUsageStateService;
-    private final NotificationRuleProcessingService notificationRuleProcessingService;
+    private final NotificationRuleProcessor notificationRuleProcessor;
 
     @Override
     protected String getExecutorPrefix() {
@@ -235,7 +235,8 @@ public class DefaultAlarmSubscriptionService extends AbstractSubscriptionService
                     return TbSubscriptionUtils.toAlarmUpdateProto(tenantId, entityId, alarm);
                 });
             }
-            notificationRuleProcessingService.process(tenantId, AlarmTrigger.builder()
+            notificationRuleProcessor.process(AlarmTrigger.builder()
+                    .tenantId(tenantId)
                     .alarmUpdate(result)
                     .build());
         });
@@ -252,7 +253,8 @@ public class DefaultAlarmSubscriptionService extends AbstractSubscriptionService
                     return TbSubscriptionUtils.toAlarmDeletedProto(tenantId, entityId, alarm);
                 });
             }
-            notificationRuleProcessingService.process(tenantId, AlarmTrigger.builder()
+            notificationRuleProcessor.process(AlarmTrigger.builder()
+                    .tenantId(tenantId)
                     .alarmUpdate(result)
                     .build());
         });

application/src/main/java/org/thingsboard/server/service/update/DefaultUpdateService.java

@@ -26,9 +26,8 @@ import org.springframework.stereotype.Service;
 import org.springframework.web.client.RestTemplate;
 import org.thingsboard.common.util.ThingsBoardThreadFactory;
 import org.thingsboard.server.common.data.UpdateMessage;
-import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.notification.rule.trigger.NewPlatformVersionTrigger;
-import org.thingsboard.server.dao.notification.NotificationRuleProcessingService;
+import org.thingsboard.server.common.msg.notification.trigger.NewPlatformVersionTrigger;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 
 import javax.annotation.PostConstruct;
@@ -62,7 +61,7 @@ public class DefaultUpdateService implements UpdateService {
     private BuildProperties buildProperties;
 
     @Autowired
-    private NotificationRuleProcessingService notificationRuleProcessingService;
+    private NotificationRuleProcessor notificationRuleProcessor;
 
     private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1, ThingsBoardThreadFactory.forName("tb-update-service"));
 
@@ -132,7 +131,7 @@ public class DefaultUpdateService implements UpdateService {
             UpdateMessage prevUpdateMessage = updateMessage;
             updateMessage = restClient.postForObject(UPDATE_SERVER_BASE_URL + "/api/v2/thingsboard/updates", request, UpdateMessage.class);
             if (updateMessage.isUpdateAvailable() && !updateMessage.equals(prevUpdateMessage)) {
-                notificationRuleProcessingService.process(TenantId.SYS_TENANT_ID, NewPlatformVersionTrigger.builder()
+                notificationRuleProcessor.process(NewPlatformVersionTrigger.builder()
                         .message(updateMessage)
                         .build());
             }

application/src/main/java/org/thingsboard/server/service/ws/notification/DefaultNotificationCommandsHandler.java

@@ -120,17 +120,21 @@ public class DefaultNotificationCommandsHandler implements NotificationCommandsH
 
     /* Notifications subscription update handling */
     private void handleNotificationsSubscriptionUpdate(NotificationsSubscription subscription, NotificationsSubscriptionUpdate subscriptionUpdate) {
-        if (subscriptionUpdate.getNotificationUpdate() != null) {
-            handleNotificationUpdate(subscription, subscriptionUpdate.getNotificationUpdate());
-        } else if (subscriptionUpdate.getNotificationRequestUpdate() != null) {
-            handleNotificationRequestUpdate(subscription, subscriptionUpdate.getNotificationRequestUpdate());
+        try {
+            if (subscriptionUpdate.getNotificationUpdate() != null) {
+                handleNotificationUpdate(subscription, subscriptionUpdate.getNotificationUpdate());
+            } else if (subscriptionUpdate.getNotificationRequestUpdate() != null) {
+                handleNotificationRequestUpdate(subscription, subscriptionUpdate.getNotificationRequestUpdate());
+            }
+        } catch (Exception e) {
+            log.error("[{}, subId: {}] Failed to handle update for notifications subscription: {}", subscription.getSessionId(), subscription.getSubscriptionId(), subscriptionUpdate, e);
         }
     }
 
     private void handleNotificationUpdate(NotificationsSubscription subscription, NotificationUpdate update) {
         log.trace("[{}, subId: {}] Handling notification update: {}", subscription.getSessionId(), subscription.getSubscriptionId(), update);
         Notification notification = update.getNotification();
-        UUID notificationId = update.getNotificationId();
+        UUID notificationId = notification != null ? notification.getUuidId() : update.getNotificationId();
         if (update.isCreated()) {
             subscription.getLatestUnreadNotifications().put(notificationId, notification);
             subscription.getTotalUnreadCounter().incrementAndGet();
@@ -175,10 +179,14 @@ public class DefaultNotificationCommandsHandler implements NotificationCommandsH
 
     /* Notifications count subscription update handling */
     private void handleNotificationsCountSubscriptionUpdate(NotificationsCountSubscription subscription, NotificationsSubscriptionUpdate subscriptionUpdate) {
-        if (subscriptionUpdate.getNotificationUpdate() != null) {
-            handleNotificationUpdate(subscription, subscriptionUpdate.getNotificationUpdate());
-        } else if (subscriptionUpdate.getNotificationRequestUpdate() != null) {
-            handleNotificationRequestUpdate(subscription, subscriptionUpdate.getNotificationRequestUpdate());
+        try {
+            if (subscriptionUpdate.getNotificationUpdate() != null) {
+                handleNotificationUpdate(subscription, subscriptionUpdate.getNotificationUpdate());
+            } else if (subscriptionUpdate.getNotificationRequestUpdate() != null) {
+                handleNotificationRequestUpdate(subscription, subscriptionUpdate.getNotificationRequestUpdate());
+            }
+        } catch (Exception e) {
+            log.error("[{}, subId: {}] Failed to handle update for notifications count subscription: {}", subscription.getSessionId(), subscription.getSubscriptionId(), subscriptionUpdate, e);
         }
     }
 

application/src/main/java/org/thingsboard/server/service/ws/notification/sub/NotificationUpdate.java

@@ -15,12 +15,10 @@
  */
 package org.thingsboard.server.service.ws.notification.sub;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import org.thingsboard.server.common.data.id.NotificationId;
 import org.thingsboard.server.common.data.notification.Notification;
 import org.thingsboard.server.common.data.notification.NotificationStatus;
 
@@ -32,7 +30,7 @@ import java.util.UUID;
 @Builder
 public class NotificationUpdate {
 
-    private NotificationId notificationId;
+    private UUID notificationId;
 
     private boolean created;
     private Notification notification;
@@ -43,10 +41,4 @@ public class NotificationUpdate {
 
     private boolean deleted;
 
-    @JsonIgnore
-    public UUID getNotificationId() {
-        return notificationId != null ? notificationId.getId() :
-                notification != null ? notification.getUuidId() : null;
-    }
-
 }

application/src/test/java/org/thingsboard/server/service/entitiy/alarm/DefaultTbAlarmServiceTest.java

@@ -15,7 +15,6 @@
  */
 package org.thingsboard.server.service.entitiy.alarm;
 
-import com.google.common.util.concurrent.Futures;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -30,8 +29,7 @@ import org.thingsboard.server.common.data.alarm.Alarm;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.exception.ThingsboardException;
 import org.thingsboard.server.common.data.id.UserId;
-import org.thingsboard.server.dao.alarm.AlarmApiCallResult;
-import org.thingsboard.server.dao.alarm.AlarmCommentService;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.dao.alarm.AlarmService;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.edge.EdgeService;

application/src/test/java/org/thingsboard/server/service/notification/AbstractNotificationApiTest.java

@@ -35,7 +35,6 @@ import org.thingsboard.server.common.data.notification.NotificationRequestConfig
 import org.thingsboard.server.common.data.notification.NotificationRequestInfo;
 import org.thingsboard.server.common.data.notification.NotificationRequestStats;
 import org.thingsboard.server.common.data.notification.NotificationType;
-import org.thingsboard.server.common.data.notification.info.UserOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.settings.NotificationSettings;
 import org.thingsboard.server.common.data.notification.targets.NotificationTarget;
 import org.thingsboard.server.common.data.notification.targets.platform.PlatformUsersNotificationTargetConfig;
@@ -44,8 +43,8 @@ import org.thingsboard.server.common.data.notification.template.DeliveryMethodNo
 import org.thingsboard.server.common.data.notification.template.EmailDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplateConfig;
-import org.thingsboard.server.common.data.notification.template.WebDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.SmsDeliveryMethodNotificationTemplate;
+import org.thingsboard.server.common.data.notification.template.WebDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.common.data.security.Authority;
@@ -110,12 +109,9 @@ public abstract class AbstractNotificationApiTest extends AbstractControllerTest
     protected NotificationRequest submitNotificationRequest(List<NotificationTargetId> targets, NotificationTemplateId notificationTemplateId, int delayInSec) {
         NotificationRequestConfig config = new NotificationRequestConfig();
         config.setSendingDelayInSec(delayInSec);
-        UserOriginatedNotificationInfo notificationInfo = new UserOriginatedNotificationInfo();
-        notificationInfo.setDescription("My description");
         NotificationRequest notificationRequest = NotificationRequest.builder()
                 .targets(targets.stream().map(UUIDBased::getId).collect(Collectors.toList()))
                 .templateId(notificationTemplateId)
-                .info(notificationInfo)
                 .additionalConfig(config)
                 .build();
         return doPost("/api/notification/request", notificationRequest, NotificationRequest.class);

application/src/test/java/org/thingsboard/server/service/notification/NotificationApiTest.java

@@ -15,18 +15,15 @@
  */
 package org.thingsboard.server.service.notification;
 
-import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.assertj.core.data.Offset;
 import org.java_websocket.client.WebSocketClient;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.thingsboard.rule.engine.api.NotificationCenter;
 import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.id.NotificationTargetId;
-import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.notification.Notification;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 import org.thingsboard.server.common.data.notification.NotificationRequest;
@@ -36,11 +33,9 @@ import org.thingsboard.server.common.data.notification.NotificationRequestPrevie
 import org.thingsboard.server.common.data.notification.NotificationRequestStats;
 import org.thingsboard.server.common.data.notification.NotificationRequestStatus;
 import org.thingsboard.server.common.data.notification.NotificationType;
-import org.thingsboard.server.common.data.notification.info.UserOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.settings.NotificationSettings;
 import org.thingsboard.server.common.data.notification.settings.SlackNotificationDeliveryMethodConfig;
 import org.thingsboard.server.common.data.notification.targets.NotificationTarget;
-import org.thingsboard.server.common.data.notification.targets.platform.AllUsersFilter;
 import org.thingsboard.server.common.data.notification.targets.platform.CustomerUsersFilter;
 import org.thingsboard.server.common.data.notification.targets.platform.PlatformUsersNotificationTargetConfig;
 import org.thingsboard.server.common.data.notification.targets.platform.UserListFilter;
@@ -50,11 +45,9 @@ import org.thingsboard.server.common.data.notification.template.DeliveryMethodNo
 import org.thingsboard.server.common.data.notification.template.EmailDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.NotificationTemplateConfig;
-import org.thingsboard.server.common.data.notification.template.WebDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.SlackDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.notification.template.SmsDeliveryMethodNotificationTemplate;
-import org.thingsboard.server.common.data.page.PageData;
-import org.thingsboard.server.common.data.page.PageLink;
+import org.thingsboard.server.common.data.notification.template.WebDeliveryMethodNotificationTemplate;
 import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.dao.DaoUtil;
 import org.thingsboard.server.dao.notification.NotificationDao;
@@ -67,8 +60,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.stream.Collectors;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.InstanceOfAssertFactories.type;
@@ -341,8 +332,8 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
         target1Config.setUsersFilter(userListFilter);
         target1.setConfiguration(target1Config);
         target1 = saveNotificationTarget(target1);
-        List<UserId> recipients = new ArrayList<>();
-        recipients.add(tenantAdminUserId);
+        List<String> recipients = new ArrayList<>();
+        recipients.add(TENANT_ADMIN_EMAIL);
 
         createDifferentCustomer();
         loginTenantAdmin();
@@ -354,7 +345,7 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
             customerUser.setCustomerId(differentCustomerId);
             customerUser.setEmail("other-customer-" + i + "@thingsboard.org");
             customerUser = createUser(customerUser, "12345678");
-            recipients.add(customerUser.getId());
+            recipients.add(customerUser.getEmail());
         }
         NotificationTarget target2 = new NotificationTarget();
         target2.setName("Other customer users");
@@ -378,7 +369,7 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
 
         WebDeliveryMethodNotificationTemplate webNotificationTemplate = new WebDeliveryMethodNotificationTemplate();
         webNotificationTemplate.setEnabled(true);
-        webNotificationTemplate.setBody("Message for WEB: ${recipientEmail}");
+        webNotificationTemplate.setBody("Message for WEB: ${recipientEmail} ${unknownParam}");
         webNotificationTemplate.setSubject("Subject for WEB: ${recipientEmail}");
         templates.put(NotificationDeliveryMethod.WEB, webNotificationTemplate);
 
@@ -410,14 +401,14 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
         assertThat(preview.getRecipientsCountByTarget().get(target1.getName())).isEqualTo(1);
         assertThat(preview.getRecipientsCountByTarget().get(target2.getName())).isEqualTo(customerUsersCount);
         assertThat(preview.getTotalRecipientsCount()).isEqualTo(1 + customerUsersCount);
-        assertThat(preview.getRecipientsPreview()).extracting(User::getId).containsAll(recipients);
+        assertThat(preview.getRecipientsPreview()).containsAll(recipients);
 
         Map<NotificationDeliveryMethod, DeliveryMethodNotificationTemplate> processedTemplates = preview.getProcessedTemplates();
         assertThat(processedTemplates.get(NotificationDeliveryMethod.WEB)).asInstanceOf(type(WebDeliveryMethodNotificationTemplate.class))
                 .satisfies(template -> {
                     assertThat(template.getBody())
                             .startsWith("Message for WEB")
-                            .endsWith(requestorEmail);
+                            .endsWith(requestorEmail + " ${unknownParam}");
                     assertThat(template.getSubject())
                             .startsWith("Subject for WEB")
                             .endsWith(requestorEmail);
@@ -440,7 +431,7 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
         assertThat(processedTemplates.get(NotificationDeliveryMethod.SLACK)).asInstanceOf(type(SlackDeliveryMethodNotificationTemplate.class))
                 .satisfies(template -> {
                     assertThat(template.getBody())
-                            .isEqualTo("Message for SLACK: "); // ${recipientEmail} should be removed
+                            .isEqualTo("Message for SLACK: ${recipientEmail}"); // ${recipientEmail} should not be processed
                 });
     }
 
@@ -477,53 +468,6 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
     }
 
     @Test
-    @Ignore
-    public void testNotificationsForALotOfUsers() throws Exception {
-        int usersCount = 5000;
-
-        List<User> users = new ArrayList<>();
-        for (int i = 1; i <= usersCount; i++) {
-            User user = new User();
-            user.setTenantId(tenantId);
-            user.setAuthority(Authority.TENANT_ADMIN);
-            user.setEmail("test-user-" + i + "@thingsboard.org");
-            user = doPost("/api/user", user, User.class);
-            users.add(user);
-        }
-
-        NotificationTarget notificationTarget = new NotificationTarget();
-        notificationTarget.setTenantId(tenantId);
-        notificationTarget.setName("All my users");
-        PlatformUsersNotificationTargetConfig config = new PlatformUsersNotificationTargetConfig();
-        AllUsersFilter filter = new AllUsersFilter();
-        config.setUsersFilter(filter);
-        notificationTarget.setConfiguration(config);
-        notificationTarget = saveNotificationTarget(notificationTarget);
-        NotificationTargetId notificationTargetId = notificationTarget.getId();
-
-        ListenableFuture<NotificationRequest> request = executor.submit(() -> {
-            return submitNotificationRequest(notificationTargetId, "Hello, ${recipientEmail}", 0, NotificationDeliveryMethod.WEB);
-        });
-        await().atMost(10, TimeUnit.SECONDS).until(request::isDone);
-        NotificationRequest notificationRequest = request.get();
-
-        await().atMost(5, TimeUnit.SECONDS)
-                .pollInterval(200, TimeUnit.MILLISECONDS)
-                .until(() -> {
-                    PageData<Notification> sentNotifications = notificationDao.findByRequestId(tenantId, notificationRequest.getId(), new PageLink(1));
-                    return sentNotifications.getTotalElements() >= usersCount;
-                });
-
-        PageData<Notification> sentNotifications = notificationDao.findByRequestId(tenantId, notificationRequest.getId(), new PageLink(Integer.MAX_VALUE));
-        assertThat(sentNotifications.getData()).extracting(Notification::getRecipientId)
-                .containsAll(users.stream().map(User::getId).collect(Collectors.toSet()));
-
-        NotificationRequestStats stats = getStats(notificationRequest.getId());
-        assertThat(stats.getSent().values().stream().mapToInt(AtomicInteger::get).sum()).isGreaterThanOrEqualTo(usersCount);
-    }
-
-    @Test
-    @Ignore
     public void testSlackNotifications() throws Exception {
         NotificationSettings settings = new NotificationSettings();
         SlackNotificationDeliveryMethodConfig slackConfig = new SlackNotificationDeliveryMethodConfig();
@@ -540,7 +484,7 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
         NotificationTemplateConfig config = new NotificationTemplateConfig();
         SlackDeliveryMethodNotificationTemplate slackNotificationTemplate = new SlackDeliveryMethodNotificationTemplate();
         slackNotificationTemplate.setEnabled(true);
-        slackNotificationTemplate.setBody("To Slack :)  ${recipientEmail}");
+        slackNotificationTemplate.setBody("To Slack :)");
         config.setDeliveryMethodsTemplates(Map.of(
                 NotificationDeliveryMethod.SLACK, slackNotificationTemplate
         ));
@@ -553,14 +497,17 @@ public class NotificationApiTest extends AbstractNotificationApiTest {
         notificationTarget.setTenantId(tenantId);
         notificationTarget.setName(conversationName + " in Slack");
         SlackNotificationTargetConfig targetConfig = new SlackNotificationTargetConfig();
-        targetConfig.setConversation(new SlackConversation(conversationId, conversationName));
+        targetConfig.setConversation(SlackConversation.builder()
+                .id(conversationId)
+                .title(conversationName)
+                .build());
         notificationTarget.setConfiguration(targetConfig);
         notificationTarget = saveNotificationTarget(notificationTarget);
 
         NotificationRequest successfulNotificationRequest = submitNotificationRequest(List.of(notificationTarget.getId()), notificationTemplate.getId(), 0);
         await().atMost(2, TimeUnit.SECONDS)
                 .until(() -> findNotificationRequest(successfulNotificationRequest.getId()).isSent());
-        verify(slackService).sendMessage(eq(tenantId), eq(slackToken), eq(conversationId), eq("To Slack :)  "));
+        verify(slackService).sendMessage(eq(tenantId), eq(slackToken), eq(conversationId), eq(slackNotificationTemplate.getBody()));
         NotificationRequestStats stats = getStats(successfulNotificationRequest.getId());
         assertThat(stats.getSent().get(NotificationDeliveryMethod.SLACK)).hasValue(1);
 

application/src/test/java/org/thingsboard/server/service/notification/NotificationRuleApiTest.java

@@ -123,7 +123,7 @@ public class NotificationRuleApiTest extends AbstractNotificationApiTest {
     @Test
     public void testNotificationRuleProcessing_entityActionTrigger() throws Exception {
         String notificationSubject = "${actionType}: ${entityType} [${entityId}]";
-        String notificationText = "User: ${originatorUserName}";
+        String notificationText = "User: ${userEmail}";
         NotificationTemplate notificationTemplate = createNotificationTemplate(NotificationType.GENERAL, notificationSubject, notificationText, NotificationDeliveryMethod.WEB);
 
         NotificationRule notificationRule = new NotificationRule();
@@ -132,7 +132,7 @@ public class NotificationRuleApiTest extends AbstractNotificationApiTest {
         notificationRule.setTriggerType(NotificationRuleTriggerType.ENTITY_ACTION);
 
         EntityActionNotificationRuleTriggerConfig triggerConfig = new EntityActionNotificationRuleTriggerConfig();
-        triggerConfig.setEntityType(EntityType.DEVICE);
+        triggerConfig.setEntityTypes(Set.of(EntityType.DEVICE));
         triggerConfig.setCreated(true);
         triggerConfig.setUpdated(true);
         triggerConfig.setDeleted(true);

common/cluster-api/src/main/java/org/thingsboard/server/cluster/TbClusterService.java

@@ -33,10 +33,10 @@ import org.thingsboard.server.common.msg.edge.FromEdgeSyncResponse;
 import org.thingsboard.server.common.msg.edge.ToEdgeSyncRequest;
 import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.common.msg.rpc.FromDeviceRpcResponse;
-import org.thingsboard.server.gen.transport.TransportProtos.ToVersionControlServiceMsg;
 import org.thingsboard.server.gen.transport.TransportProtos.ToCoreMsg;
 import org.thingsboard.server.gen.transport.TransportProtos.ToRuleEngineMsg;
 import org.thingsboard.server.gen.transport.TransportProtos.ToTransportMsg;
+import org.thingsboard.server.gen.transport.TransportProtos.ToVersionControlServiceMsg;
 import org.thingsboard.server.queue.TbQueueCallback;
 import org.thingsboard.server.queue.TbQueueClusterService;
 
@@ -95,4 +95,5 @@ public interface TbClusterService extends TbQueueClusterService {
     void pushEdgeSyncResponseToCore(FromEdgeSyncResponse fromEdgeSyncResponse);
 
     void sendNotificationMsgToEdge(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action);
+
 }

common/cluster-api/src/main/proto/queue.proto

@@ -968,6 +968,7 @@ message ToCoreMsg {
   EdgeNotificationMsgProto edgeNotificationMsg = 5;
   DeviceActivityProto deviceActivityMsg = 6;
   NotificationSchedulerServiceMsg notificationSchedulerServiceMsg = 7;
+  NotificationRuleProcessorMsg notificationRuleProcessorMsg = 8;
 }
 
 /* High priority messages with low latency are handled by ThingsBoard Core Service separately */
@@ -1053,3 +1054,7 @@ message NotificationSchedulerServiceMsg {
   int64 requestIdLSB = 4;
   int64 ts = 5;
 }
+
+message NotificationRuleProcessorMsg {
+  bytes trigger = 1;
+}

common/dao-api/src/main/java/org/thingsboard/server/dao/alarm/AlarmOperationResult.java

@@ -19,7 +19,7 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.alarm.Alarm;
-import org.thingsboard.server.common.data.alarm.AlarmAssigneeUpdate;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.common.data.alarm.AlarmSeverity;
 import org.thingsboard.server.common.data.id.EntityId;
 

common/dao-api/src/main/java/org/thingsboard/server/dao/alarm/AlarmService.java

@@ -18,6 +18,7 @@ package org.thingsboard.server.dao.alarm;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.alarm.AlarmQuery;
 import org.thingsboard.server.common.data.alarm.AlarmSearchStatus;

common/dao-api/src/main/java/org/thingsboard/server/dao/notification/NotificationRuleProcessingService.java

@@ -1,28 +0,0 @@
-/**
- * Copyright © 2016-2023 The Thingsboard Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.thingsboard.server.dao.notification;
-
-import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
-import org.thingsboard.server.common.msg.TbMsg;
-
-public interface NotificationRuleProcessingService {
-
-    void process(TenantId tenantId, NotificationRuleTrigger trigger);
-
-    void process(TenantId tenantId, TbMsg ruleEngineMsg);
-
-}

common/dao-api/src/main/java/org/thingsboard/server/dao/notification/NotificationTargetService.java

@@ -20,8 +20,10 @@ import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.NotificationTargetId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.NotificationType;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.targets.NotificationTarget;
 import org.thingsboard.server.common.data.notification.targets.NotificationTargetConfig;
+import org.thingsboard.server.common.data.notification.targets.platform.PlatformUsersNotificationTargetConfig;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.page.PageLink;
 
@@ -41,9 +43,9 @@ public interface NotificationTargetService {
 
     PageData<User> findRecipientsForNotificationTarget(TenantId tenantId, CustomerId customerId, NotificationTargetId targetId, PageLink pageLink);
 
-    int countRecipientsForNotificationTargetConfig(TenantId tenantId, NotificationTargetConfig targetConfig);
+    PageData<User> findRecipientsForNotificationTargetConfig(TenantId tenantId, PlatformUsersNotificationTargetConfig targetConfig, PageLink pageLink);
 
-    PageData<User> findRecipientsForNotificationTargetConfig(TenantId tenantId, CustomerId customerId, NotificationTargetConfig targetConfig, PageLink pageLink);
+    PageData<User> findRecipientsForRuleNotificationTargetConfig(TenantId tenantId, PlatformUsersNotificationTargetConfig targetConfig, RuleOriginatedNotificationInfo info, PageLink pageLink);
 
     void deleteNotificationTargetById(TenantId tenantId, NotificationTargetId id);
 

common/data/src/main/java/org/thingsboard/server/common/data/ApiFeature.java

@@ -24,7 +24,7 @@ public enum ApiFeature {
     JS("jsExecutionApiState", "JavaScript functions execution"),
     EMAIL("emailApiState", "Email messages"),
     SMS("smsApiState", "SMS messages"),
-    ALARM("alarmApiState", "Created alarms");
+    ALARM("alarmApiState", "Alarms");
 
     @Getter
     private final String apiStateKey;

common/data/src/main/java/org/thingsboard/server/common/data/ApiUsageRecordKey.java

@@ -19,14 +19,14 @@ import lombok.Getter;
 
 public enum ApiUsageRecordKey {
 
-    TRANSPORT_MSG_COUNT(ApiFeature.TRANSPORT, "transportMsgCount", "transportMsgLimit"),
-    TRANSPORT_DP_COUNT(ApiFeature.TRANSPORT, "transportDataPointsCount", "transportDataPointsLimit"),
-    STORAGE_DP_COUNT(ApiFeature.DB, "storageDataPointsCount", "storageDataPointsLimit"),
-    RE_EXEC_COUNT(ApiFeature.RE, "ruleEngineExecutionCount", "ruleEngineExecutionLimit"),
-    JS_EXEC_COUNT(ApiFeature.JS, "jsExecutionCount", "jsExecutionLimit"),
-    EMAIL_EXEC_COUNT(ApiFeature.EMAIL, "emailCount", "emailLimit"),
-    SMS_EXEC_COUNT(ApiFeature.SMS, "smsCount", "smsLimit"),
-    CREATED_ALARMS_COUNT(ApiFeature.ALARM, "createdAlarmsCount", "createdAlarmsLimit");
+    TRANSPORT_MSG_COUNT(ApiFeature.TRANSPORT, "transportMsgCount", "transportMsgLimit", "message"),
+    TRANSPORT_DP_COUNT(ApiFeature.TRANSPORT, "transportDataPointsCount", "transportDataPointsLimit", "data point"),
+    STORAGE_DP_COUNT(ApiFeature.DB, "storageDataPointsCount", "storageDataPointsLimit", "data point"),
+    RE_EXEC_COUNT(ApiFeature.RE, "ruleEngineExecutionCount", "ruleEngineExecutionLimit", "Rule Engine execution"),
+    JS_EXEC_COUNT(ApiFeature.JS, "jsExecutionCount", "jsExecutionLimit", "JavaScript execution"),
+    EMAIL_EXEC_COUNT(ApiFeature.EMAIL, "emailCount", "emailLimit", "email message"),
+    SMS_EXEC_COUNT(ApiFeature.SMS, "smsCount", "smsLimit", "SMS message"),
+    CREATED_ALARMS_COUNT(ApiFeature.ALARM, "createdAlarmsCount", "createdAlarmsLimit", "alarm");
 
     private static final ApiUsageRecordKey[] JS_RECORD_KEYS = {JS_EXEC_COUNT};
     private static final ApiUsageRecordKey[] RE_RECORD_KEYS = {RE_EXEC_COUNT};
@@ -42,11 +42,14 @@ public enum ApiUsageRecordKey {
     private final String apiCountKey;
     @Getter
     private final String apiLimitKey;
+    @Getter
+    private final String unitLabel;
 
-    ApiUsageRecordKey(ApiFeature apiFeature, String apiCountKey, String apiLimitKey) {
+    ApiUsageRecordKey(ApiFeature apiFeature, String apiCountKey, String apiLimitKey, String unitLabel) {
         this.apiFeature = apiFeature;
         this.apiCountKey = apiCountKey;
         this.apiLimitKey = apiLimitKey;
+        this.unitLabel = unitLabel;
     }
 
     public static ApiUsageRecordKey[] getKeys(ApiFeature feature) {

common/data/src/main/java/org/thingsboard/server/common/data/ApiUsageRecordState.java

@@ -0,0 +1,48 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.data;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+public class ApiUsageRecordState implements Serializable {
+
+    private final ApiFeature apiFeature;
+    private final ApiUsageRecordKey key;
+    private final long threshold;
+    private final long value;
+
+    public String getValueAsString() {
+        return valueAsString(value);
+    }
+
+    public String getThresholdAsString() {
+        return valueAsString(threshold);
+    }
+
+    private String valueAsString(long value) {
+        if (value > 1_000_000 && value % 1_000_000 < 10_000) {
+            return value / 1_000_000 + "M";
+        } else if (value > 10_000) {
+            return String.format("%.2fM", ((double) value) / 1_000_000);
+        } else {
+            return value + "";
+        }
+    }
+
+}

common/data/src/main/java/org/thingsboard/server/common/data/UpdateMessage.java

@@ -19,9 +19,11 @@ import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
+import java.io.Serializable;
+
 @ApiModel
 @Data
-public class UpdateMessage {
+public class UpdateMessage implements Serializable {
 
     @ApiModelProperty(position = 1, value = "'True' if new platform update is available.")
     private final boolean updateAvailable;

common/data/src/main/java/org/thingsboard/server/common/data/User.java

@@ -30,6 +30,8 @@ import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.common.data.validation.Length;
 import org.thingsboard.server.common.data.validation.NoXss;
 
+import static org.apache.commons.lang3.StringUtils.isNotEmpty;
+
 @ApiModel
 @EqualsAndHashCode(callSuper = true)
 public class User extends SearchTextBasedWithAdditionalInfo<UserId> implements HasName, HasTenantId, HasCustomerId, NotificationRecipient {
@@ -165,6 +167,24 @@ public class User extends SearchTextBasedWithAdditionalInfo<UserId> implements H
         return getEmail();
     }
 
+    @JsonIgnore
+    public String getTitle() {
+        String title = "";
+        if (isNotEmpty(firstName)) {
+            title += firstName;
+        }
+        if (isNotEmpty(lastName)) {
+            if (!title.isEmpty()) {
+                title += " ";
+            }
+            title += lastName;
+        }
+        if (title.isEmpty()) {
+            title = email;
+        }
+        return title;
+    }
+
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();

common/dao-api/src/main/java/org/thingsboard/server/dao/alarm/AlarmApiCallResult.java → common/data/src/main/java/org/thingsboard/server/common/data/alarm/AlarmApiCallResult.java

@@ -13,20 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.alarm;
+package org.thingsboard.server.common.data.alarm;
 
 import lombok.Builder;
 import lombok.Data;
-import org.thingsboard.server.common.data.alarm.Alarm;
-import org.thingsboard.server.common.data.alarm.AlarmInfo;
-import org.thingsboard.server.common.data.alarm.AlarmSeverity;
 import org.thingsboard.server.common.data.id.EntityId;
 
+import java.io.Serializable;
 import java.util.List;
 
 
 @Data
-public class AlarmApiCallResult {
+public class AlarmApiCallResult implements Serializable {
 
     private final boolean successful;
     private final boolean created;

common/data/src/main/java/org/thingsboard/server/common/data/notification/NotificationRequestPreview.java

@@ -16,7 +16,6 @@
 package org.thingsboard.server.common.data.notification;
 
 import lombok.Data;
-import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.notification.template.DeliveryMethodNotificationTemplate;
 
 import java.util.Collection;
@@ -28,6 +27,6 @@ public class NotificationRequestPreview {
     private Map<NotificationDeliveryMethod, DeliveryMethodNotificationTemplate> processedTemplates;
     private int totalRecipientsCount;
     private Map<String, Integer> recipientsCountByTarget;
-    private Collection<User> recipientsPreview;
+    private Collection<String> recipientsPreview;
 
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/NotificationRequestStats.java

@@ -19,7 +19,6 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
-import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.notification.targets.NotificationRecipient;
 
 import java.util.Collections;
@@ -33,6 +32,7 @@ public class NotificationRequestStats {
 
     private final Map<NotificationDeliveryMethod, AtomicInteger> sent;
     private final Map<NotificationDeliveryMethod, Map<String, String>> errors;
+    private String error;
     @JsonIgnore
     private final Map<NotificationDeliveryMethod, Set<Object>> processedRecipients;
 
@@ -44,9 +44,11 @@ public class NotificationRequestStats {
 
     @JsonCreator
     public NotificationRequestStats(@JsonProperty("sent") Map<NotificationDeliveryMethod, AtomicInteger> sent,
-                                    @JsonProperty("errors") Map<NotificationDeliveryMethod, Map<String, String>> errors) {
+                                    @JsonProperty("errors") Map<NotificationDeliveryMethod, Map<String, String>> errors,
+                                    @JsonProperty("error") String error) {
         this.sent = sent;
         this.errors = errors;
+        this.error = error;
         this.processedRecipients = Collections.emptyMap();
     }
 
@@ -60,13 +62,7 @@ public class NotificationRequestStats {
             return;
         }
         String errorMessage = error.getMessage();
-        String key;
-        if (recipient instanceof User) {
-            key = ((User) recipient).getEmail();
-        } else {
-            key = "";
-        }
-        errors.computeIfAbsent(deliveryMethod, k -> new ConcurrentHashMap<>()).put(key, errorMessage);
+        errors.computeIfAbsent(deliveryMethod, k -> new ConcurrentHashMap<>()).put(recipient.getTitle(), errorMessage);
     }
 
     public boolean contains(NotificationDeliveryMethod deliveryMethod, Object recipientId) {

common/data/src/main/java/org/thingsboard/server/common/data/notification/NotificationType.java

@@ -19,12 +19,14 @@ public enum NotificationType {
 
     GENERAL,
     ALARM,
-    DEVICE_INACTIVITY,
+    DEVICE_ACTIVITY,
     ENTITY_ACTION,
     ALARM_COMMENT,
     RULE_ENGINE_COMPONENT_LIFECYCLE_EVENT,
     ALARM_ASSIGNMENT,
     NEW_PLATFORM_VERSION,
-    ENTITIES_LIMIT
+    ENTITIES_LIMIT,
+    API_USAGE_LIMIT,
+    RULE_ENGINE
 
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/AlarmAssignmentNotificationInfo.java

@@ -37,11 +37,15 @@ import static org.thingsboard.server.common.data.util.CollectionsUtil.mapOf;
 public class AlarmAssignmentNotificationInfo implements RuleOriginatedNotificationInfo {
 
     private String action;
+
+    private String assigneeEmail;
     private String assigneeFirstName;
     private String assigneeLastName;
-    private String assigneeEmail;
     private UserId assigneeId;
-    private String userName;
+
+    private String userEmail;
+    private String userFirstName;
+    private String userLastName;
 
     private String alarmType;
     private UUID alarmId;
@@ -59,7 +63,9 @@ public class AlarmAssignmentNotificationInfo implements RuleOriginatedNotificati
                 "assigneeLastName", assigneeLastName,
                 "assigneeEmail", assigneeEmail,
                 "assigneeId", assigneeId != null ? assigneeId.toString() : null,
-                "userName", userName,
+                "userEmail", userEmail,
+                "userFirstName", userFirstName,
+                "userLastName", userLastName,
                 "alarmType", alarmType,
                 "alarmId", alarmId.toString(),
                 "alarmSeverity", alarmSeverity.name().toLowerCase(),
@@ -71,12 +77,12 @@ public class AlarmAssignmentNotificationInfo implements RuleOriginatedNotificati
     }
 
     @Override
-    public CustomerId getOriginatorEntityCustomerId() {
+    public CustomerId getAffectedCustomerId() {
         return alarmCustomerId;
     }
 
     @Override
-    public UserId getTargetUserId() {
+    public UserId getAffectedUserId() {
         return assigneeId;
     }
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/AlarmCommentNotificationInfo.java

@@ -37,7 +37,10 @@ public class AlarmCommentNotificationInfo implements RuleOriginatedNotificationI
 
     private String comment;
     private String action;
-    private String userName;
+
+    private String userEmail;
+    private String userFirstName;
+    private String userLastName;
 
     private String alarmType;
     private UUID alarmId;
@@ -52,7 +55,9 @@ public class AlarmCommentNotificationInfo implements RuleOriginatedNotificationI
         return mapOf(
                 "comment", comment,
                 "action", action,
-                "userName", userName,
+                "userEmail", userEmail,
+                "userFirstName", userFirstName,
+                "userLastName", userLastName,
                 "alarmType", alarmType,
                 "alarmId", alarmId.toString(),
                 "alarmSeverity", alarmSeverity.name().toLowerCase(),
@@ -64,7 +69,7 @@ public class AlarmCommentNotificationInfo implements RuleOriginatedNotificationI
     }
 
     @Override
-    public CustomerId getOriginatorEntityCustomerId() {
+    public CustomerId getAffectedCustomerId() {
         return alarmCustomerId;
     }
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/AlarmNotificationInfo.java

@@ -59,7 +59,7 @@ public class AlarmNotificationInfo implements RuleOriginatedNotificationInfo {
     }
 
     @Override
-    public CustomerId getOriginatorEntityCustomerId() {
+    public CustomerId getAffectedCustomerId() {
         return alarmCustomerId;
     }
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/ApiUsageLimitNotificationInfo.java

@@ -0,0 +1,63 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.data.notification.info;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.thingsboard.server.common.data.ApiFeature;
+import org.thingsboard.server.common.data.ApiUsageRecordKey;
+import org.thingsboard.server.common.data.ApiUsageStateValue;
+import org.thingsboard.server.common.data.id.TenantId;
+
+import java.util.Map;
+
+import static org.thingsboard.server.common.data.util.CollectionsUtil.mapOf;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class ApiUsageLimitNotificationInfo implements RuleOriginatedNotificationInfo {
+
+    private ApiFeature feature;
+    private ApiUsageRecordKey recordKey;
+    private ApiUsageStateValue status;
+    private String limit;
+    private String currentValue;
+    private TenantId tenantId;
+    private String tenantName;
+
+    @Override
+    public Map<String, String> getTemplateData() {
+        return mapOf(
+                "feature", feature.getLabel(),
+                "unitLabel", recordKey.getUnitLabel(),
+                "status", status.name().toLowerCase(),
+                "limit", limit,
+                "currentValue", currentValue,
+                "tenantId", tenantId.toString(),
+                "tenantName", tenantName
+        );
+    }
+
+    @Override
+    public TenantId getAffectedTenantId() {
+        return tenantId;
+    }
+
+}

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/DeviceInactivityNotificationInfo.java → common/data/src/main/java/org/thingsboard/server/common/data/notification/info/DeviceActivityNotificationInfo.java

@@ -32,22 +32,19 @@ import static org.thingsboard.server.common.data.util.CollectionsUtil.mapOf;
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
-public class DeviceInactivityNotificationInfo implements RuleOriginatedNotificationInfo {
+public class DeviceActivityNotificationInfo implements RuleOriginatedNotificationInfo {
 
+    private String eventType;
     private UUID deviceId;
     private String deviceName;
     private String deviceLabel;
     private String deviceType;
     private CustomerId deviceCustomerId;
 
-    @Override
-    public CustomerId getOriginatorEntityCustomerId() {
-        return deviceCustomerId;
-    }
-
     @Override
     public Map<String, String> getTemplateData() {
         return mapOf(
+                "eventType", eventType,
                 "deviceId", deviceId.toString(),
                 "deviceName", deviceName,
                 "deviceLabel", deviceLabel,
@@ -55,6 +52,11 @@ public class DeviceInactivityNotificationInfo implements RuleOriginatedNotificat
         );
     }
 
+    @Override
+    public CustomerId getAffectedCustomerId() {
+        return deviceCustomerId;
+    }
+
     @Override
     public EntityId getStateEntityId() {
         return new DeviceId(deviceId);

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/EntitiesLimitNotificationInfo.java

@@ -30,7 +30,7 @@ import static org.thingsboard.server.common.data.util.CollectionsUtil.mapOf;
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
-public class EntitiesLimitNotificationInfo implements NotificationInfo {
+public class EntitiesLimitNotificationInfo implements RuleOriginatedNotificationInfo {
 
     private EntityType entityType;
     private long currentCount;
@@ -51,4 +51,9 @@ public class EntitiesLimitNotificationInfo implements NotificationInfo {
         );
     }
 
+    @Override
+    public TenantId getAffectedTenantId() {
+        return tenantId;
+    }
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/EntityActionNotificationInfo.java

@@ -37,14 +37,12 @@ public class EntityActionNotificationInfo implements RuleOriginatedNotificationI
     private EntityId entityId;
     private String entityName;
     private ActionType actionType;
-    private UUID originatorUserId;
-    private String originatorUserName;
     private CustomerId entityCustomerId;
 
-    @Override
-    public CustomerId getOriginatorEntityCustomerId() {
-        return entityCustomerId;
-    }
+    private UUID userId;
+    private String userEmail;
+    private String userFirstName;
+    private String userLastName;
 
     @Override
     public Map<String, String> getTemplateData() {
@@ -53,11 +51,18 @@ public class EntityActionNotificationInfo implements RuleOriginatedNotificationI
                 "entityId", entityId.toString(),
                 "entityName", entityName,
                 "actionType", actionType.name().toLowerCase(),
-                "originatorUserId", originatorUserId.toString(),
-                "originatorUserName", originatorUserName
+                "userId", userId.toString(),
+                "userEmail", userEmail,
+                "userFirstName", userFirstName,
+                "userLastName", userLastName
         );
     }
 
+    @Override
+    public CustomerId getAffectedCustomerId() {
+        return entityCustomerId;
+    }
+
     @Override
     public EntityId getStateEntityId() {
         return entityId;

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/NewPlatformVersionNotificationInfo.java

@@ -29,7 +29,7 @@ import static org.thingsboard.server.common.data.util.CollectionsUtil.mapOf;
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
-public class NewPlatformVersionNotificationInfo implements NotificationInfo {
+public class NewPlatformVersionNotificationInfo implements RuleOriginatedNotificationInfo {
 
     private Map<String, String> message;
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/RuleEngineComponentLifecycleEventNotificationInfo.java

@@ -31,7 +31,7 @@ import static org.thingsboard.server.common.data.util.CollectionsUtil.mapOf;
 @AllArgsConstructor
 @NoArgsConstructor
 @Builder
-public class RuleEngineComponentLifecycleEventNotificationInfo implements NotificationInfo {
+public class RuleEngineComponentLifecycleEventNotificationInfo implements RuleOriginatedNotificationInfo {
 
     private RuleChainId ruleChainId;
     private String ruleChainName;

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/RuleEngineOriginatedNotificationInfo.java

@@ -33,10 +33,13 @@ public class RuleEngineOriginatedNotificationInfo implements NotificationInfo {
     private EntityId msgOriginator;
     private String msgType;
     private Map<String, String> msgMetadata;
+    private Map<String, String> msgData;
 
     @Override
     public Map<String, String> getTemplateData() {
-        Map<String, String> templateData = new HashMap<>(msgMetadata);
+        Map<String, String> templateData = new HashMap<>();
+        templateData.putAll(msgMetadata);
+        templateData.putAll(msgData);
         templateData.put("originatorType", msgOriginator.getEntityType().getNormalName());
         templateData.put("originatorId", msgOriginator.getId().toString());
         templateData.put("msgType", msgType);

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/RuleOriginatedNotificationInfo.java

@@ -16,13 +16,20 @@
 package org.thingsboard.server.common.data.notification.info;
 
 import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
 
 public interface RuleOriginatedNotificationInfo extends NotificationInfo {
 
-    CustomerId getOriginatorEntityCustomerId();
+    default CustomerId getAffectedCustomerId() {
+        return null;
+    }
+
+    default UserId getAffectedUserId() {
+        return null;
+    }
 
-    default UserId getTargetUserId() {
+    default TenantId getAffectedTenantId() {
         return null;
     }
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/AlarmNotificationRuleTriggerConfig.java

@@ -20,6 +20,7 @@ import org.thingsboard.server.common.data.alarm.AlarmSearchStatus;
 import org.thingsboard.server.common.data.alarm.AlarmSeverity;
 
 import javax.validation.constraints.NotEmpty;
+import java.io.Serializable;
 import java.util.Set;
 
 @Data
@@ -38,7 +39,7 @@ public class AlarmNotificationRuleTriggerConfig implements NotificationRuleTrigg
     }
 
     @Data
-    public static class ClearRule {
+    public static class ClearRule implements Serializable {
         private Set<AlarmSearchStatus> alarmStatuses;
     }
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/DeviceInactivityNotificationRuleTriggerConfig.java → common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/ApiUsageLimitNotificationRuleTriggerConfig.java

@@ -16,20 +16,20 @@
 package org.thingsboard.server.common.data.notification.rule.trigger;
 
 import lombok.Data;
+import org.thingsboard.server.common.data.ApiFeature;
+import org.thingsboard.server.common.data.ApiUsageStateValue;
 
 import java.util.Set;
-import java.util.UUID;
 
 @Data
-public class DeviceInactivityNotificationRuleTriggerConfig implements NotificationRuleTriggerConfig {
+public class ApiUsageLimitNotificationRuleTriggerConfig implements NotificationRuleTriggerConfig {
 
-    private Set<UUID> devices;
-    private Set<UUID> deviceProfiles;
-    // set either devices or profiles
+    private Set<ApiFeature> apiFeatures;
+    private Set<ApiUsageStateValue> notifyOn;
 
     @Override
     public NotificationRuleTriggerType getTriggerType() {
-        return NotificationRuleTriggerType.DEVICE_INACTIVITY;
+        return NotificationRuleTriggerType.API_USAGE_LIMIT;
     }
 
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/info/UserOriginatedNotificationInfo.java → common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/DeviceActivityNotificationRuleTriggerConfig.java

@@ -13,21 +13,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.common.data.notification.info;
+package org.thingsboard.server.common.data.notification.rule.trigger;
 
 import lombok.Data;
 
-import java.util.Collections;
-import java.util.Map;
+import javax.validation.constraints.NotEmpty;
+import java.util.Set;
+import java.util.UUID;
 
 @Data
-public class UserOriginatedNotificationInfo implements NotificationInfo {
+public class DeviceActivityNotificationRuleTriggerConfig implements NotificationRuleTriggerConfig {
 
-    private String description;
+    private Set<UUID> devices;
+    private Set<UUID> deviceProfiles; // set either devices or profiles
+    @NotEmpty
+    private Set<DeviceEvent> notifyOn;
 
     @Override
-    public Map<String, String> getTemplateData() {
-        return Collections.emptyMap();
+    public NotificationRuleTriggerType getTriggerType() {
+        return NotificationRuleTriggerType.DEVICE_ACTIVITY;
+    }
+
+    public enum DeviceEvent {
+        ACTIVE, INACTIVE
     }
 
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/EntityActionNotificationRuleTriggerConfig.java

@@ -18,10 +18,12 @@ package org.thingsboard.server.common.data.notification.rule.trigger;
 import lombok.Data;
 import org.thingsboard.server.common.data.EntityType;
 
+import java.util.Set;
+
 @Data
 public class EntityActionNotificationRuleTriggerConfig implements NotificationRuleTriggerConfig {
 
-    private EntityType entityType; // maybe add name filter ?
+    private Set<EntityType> entityTypes; // maybe add name filter ?
     private boolean created;
     private boolean updated;
     private boolean deleted;

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/NotificationRuleTriggerConfig.java

@@ -26,13 +26,14 @@ import java.io.Serializable;
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "triggerType")
 @JsonSubTypes({
         @Type(value = AlarmNotificationRuleTriggerConfig.class, name = "ALARM"),
-        @Type(value = DeviceInactivityNotificationRuleTriggerConfig.class, name = "DEVICE_INACTIVITY"),
+        @Type(value = DeviceActivityNotificationRuleTriggerConfig.class, name = "DEVICE_ACTIVITY"),
         @Type(value = EntityActionNotificationRuleTriggerConfig.class, name = "ENTITY_ACTION"),
         @Type(value = AlarmCommentNotificationRuleTriggerConfig.class, name = "ALARM_COMMENT"),
         @Type(value = RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig.class, name = "RULE_ENGINE_COMPONENT_LIFECYCLE_EVENT"),
         @Type(value = AlarmAssignmentNotificationRuleTriggerConfig.class, name = "ALARM_ASSIGNMENT"),
         @Type(value = NewPlatformVersionNotificationRuleTriggerConfig.class, name = "NEW_PLATFORM_VERSION"),
-        @Type(value = EntitiesLimitNotificationRuleTriggerConfig.class, name = "ENTITIES_LIMIT")
+        @Type(value = EntitiesLimitNotificationRuleTriggerConfig.class, name = "ENTITIES_LIMIT"),
+        @Type(value = ApiUsageLimitNotificationRuleTriggerConfig.class, name = "API_USAGE_LIMIT"),
 })
 public interface NotificationRuleTriggerConfig extends Serializable {
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/NotificationRuleTriggerType.java

@@ -22,12 +22,13 @@ public enum NotificationRuleTriggerType {
 
     ALARM,
     ALARM_COMMENT,
-    DEVICE_INACTIVITY,
+    DEVICE_ACTIVITY,
     ENTITY_ACTION,
     RULE_ENGINE_COMPONENT_LIFECYCLE_EVENT,
     ALARM_ASSIGNMENT,
     NEW_PLATFORM_VERSION(false),
-    ENTITIES_LIMIT(false);
+    ENTITIES_LIMIT(false),
+    API_USAGE_LIMIT(false);
 
     private final boolean tenantLevel;
 

common/data/src/main/java/org/thingsboard/server/common/data/notification/targets/NotificationRecipient.java

@@ -19,4 +19,12 @@ public interface NotificationRecipient {
 
     Object getId();
 
+    String getTitle();
+
+    String getFirstName();
+
+    String getLastName();
+
+    String getEmail();
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/targets/slack/SlackConversation.java

@@ -15,21 +15,47 @@
  */
 package org.thingsboard.server.common.data.notification.targets.slack;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.notification.targets.NotificationRecipient;
 
 import javax.validation.constraints.NotEmpty;
 
+import static org.apache.commons.lang3.StringUtils.isEmpty;
+
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
+@Builder
 public class SlackConversation implements NotificationRecipient {
 
     @NotEmpty
     private String id;
     @NotEmpty
-    private String name;
+    private String title;
+
+    private String shortName;
+    private String wholeName;
+    private String email;
+
+    @JsonIgnore
+    @Override
+    public String getFirstName() {
+        String firstName = StringUtils.contains(wholeName, " ") ? wholeName.split(" ")[0] : wholeName;
+        if (isEmpty(firstName)) {
+            firstName = shortName;
+        }
+        return firstName;
+    }
+
+    @JsonIgnore
+    @Override
+    public String getLastName() {
+        return StringUtils.contains(wholeName, " ") ? wholeName.split(" ")[1] : null;
+    }
 
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/template/DeliveryMethodNotificationTemplate.java

@@ -25,7 +25,6 @@ import lombok.NoArgsConstructor;
 import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 
-import javax.validation.constraints.AssertTrue;
 import javax.validation.constraints.NotEmpty;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
@@ -55,4 +54,8 @@ public abstract class DeliveryMethodNotificationTemplate {
     @JsonIgnore
     public abstract DeliveryMethodNotificationTemplate copy();
 
+    public boolean containsAny(String... params) {
+        return StringUtils.containsAny(body, params);
+    }
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/template/EmailDeliveryMethodNotificationTemplate.java

@@ -19,6 +19,7 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.ToString;
+import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 
 import javax.validation.constraints.NotEmpty;
@@ -47,4 +48,9 @@ public class EmailDeliveryMethodNotificationTemplate extends DeliveryMethodNotif
         return new EmailDeliveryMethodNotificationTemplate(this);
     }
 
+    @Override
+    public boolean containsAny(String... params) {
+        return super.containsAny(params) || StringUtils.containsAny(subject, params);
+    }
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/template/WebDeliveryMethodNotificationTemplate.java

@@ -15,14 +15,19 @@
  */
 package org.thingsboard.server.common.data.notification.template;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.fasterxml.jackson.databind.node.TextNode;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.ToString;
+import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.notification.NotificationDeliveryMethod;
 
 import javax.validation.constraints.NotEmpty;
+import java.util.Optional;
 
 @Data
 @NoArgsConstructor
@@ -37,7 +42,44 @@ public class WebDeliveryMethodNotificationTemplate extends DeliveryMethodNotific
     public WebDeliveryMethodNotificationTemplate(WebDeliveryMethodNotificationTemplate other) {
         super(other);
         this.subject = other.subject;
-        this.additionalConfig = other.additionalConfig;
+        this.additionalConfig = other.additionalConfig != null ? other.additionalConfig.deepCopy() : null;
+    }
+
+    @JsonIgnore
+    public String getButtonText() {
+        return getButtonConfigProperty("text");
+    }
+
+    @JsonIgnore
+    public void setButtonText(String buttonText) {
+        getButtonConfig().ifPresent(buttonConfig -> {
+            buttonConfig.set("text", new TextNode(buttonText));
+        });
+    }
+
+    @JsonIgnore
+    public String getButtonLink() {
+        return getButtonConfigProperty("link");
+    }
+
+    @JsonIgnore
+    public void setButtonLink(String buttonLink) {
+        getButtonConfig().ifPresent(buttonConfig -> {
+            buttonConfig.set("link", new TextNode(buttonLink));
+        });
+    }
+
+    private String getButtonConfigProperty(String property) {
+        return getButtonConfig()
+                .map(buttonConfig -> buttonConfig.get(property))
+                .filter(JsonNode::isTextual)
+                .map(JsonNode::asText).orElse(null);
+    }
+
+    private Optional<ObjectNode> getButtonConfig() {
+        return Optional.ofNullable(additionalConfig)
+                .map(config -> config.get("actionButtonConfig")).filter(JsonNode::isObject)
+                .map(config -> (ObjectNode) config);
     }
 
     @Override
@@ -50,4 +92,10 @@ public class WebDeliveryMethodNotificationTemplate extends DeliveryMethodNotific
         return new WebDeliveryMethodNotificationTemplate(this);
     }
 
+    @Override
+    public boolean containsAny(String... params) {
+        return super.containsAny(params) || StringUtils.containsAny(subject, params)
+                || StringUtils.containsAny(getButtonText(), params) || StringUtils.containsAny(getButtonLink(), params);
+    }
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/util/TemplateUtils.java

@@ -0,0 +1,56 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.data.util;
+
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.Map;
+import java.util.function.UnaryOperator;
+import java.util.regex.Pattern;
+
+import static com.google.common.base.Strings.nullToEmpty;
+import static org.apache.commons.lang3.StringUtils.removeStart;
+
+public class TemplateUtils {
+
+    private static final Pattern TEMPLATE_PARAM_PATTERN = Pattern.compile("\\$\\{(.+?)(:[a-zA-Z]+)?}");
+
+    private static final Map<String, UnaryOperator<String>> FUNCTIONS = Map.of(
+            "upperCase", String::toUpperCase,
+            "lowerCase", String::toLowerCase,
+            "capitalize", StringUtils::capitalize
+    );
+
+    private TemplateUtils() {}
+
+    public static String processTemplate(String template, Map<String, String> context) {
+        return TEMPLATE_PARAM_PATTERN.matcher(template).replaceAll(matchResult -> {
+            String key = matchResult.group(1);
+            if (!context.containsKey(key)) {
+                return "\\" + matchResult.group();
+            }
+            String value = nullToEmpty(context.get(key));
+            String function = removeStart(matchResult.group(2), ":");
+            if (function != null) {
+                if (FUNCTIONS.containsKey(function)) {
+                    value = FUNCTIONS.get(function).apply(value);
+                }
+            }
+            return value;
+        });
+    }
+
+}

common/data/src/main/java/org/thingsboard/server/common/data/ApiUsageStateMailMessage.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/NotificationRuleProcessor.java

@@ -13,13 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.common.data;
+package org.thingsboard.server.common.msg.notification;
 
-import lombok.Data;
+import org.thingsboard.server.common.msg.notification.trigger.NotificationRuleTrigger;
+
+public interface NotificationRuleProcessor {
+
+    void process(NotificationRuleTrigger trigger);
 
-@Data
-public class ApiUsageStateMailMessage {
-    private final ApiUsageRecordKey key;
-    private final long threshold;
-    private final long value;
 }

common/dao-api/src/main/java/org/thingsboard/server/dao/notification/trigger/AlarmTrigger.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/AlarmTrigger.java

@@ -13,19 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.notification.trigger;
+package org.thingsboard.server.common.msg.notification.trigger;
 
 import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.id.EntityId;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
-import org.thingsboard.server.dao.alarm.AlarmApiCallResult;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 
 @Data
 @Builder
 public class AlarmTrigger implements NotificationRuleTrigger {
 
+    private final TenantId tenantId;
     private final AlarmApiCallResult alarmUpdate;
 
     @Override

common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/ApiUsageLimitTrigger.java

@@ -0,0 +1,49 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.msg.notification.trigger;
+
+import lombok.Builder;
+import lombok.Data;
+import org.thingsboard.server.common.data.ApiUsageRecordState;
+import org.thingsboard.server.common.data.ApiUsageStateValue;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
+
+@Data
+@Builder
+public class ApiUsageLimitTrigger implements NotificationRuleTrigger {
+
+    private final TenantId tenantId;
+    private final ApiUsageRecordState state;
+    private final ApiUsageStateValue status;
+
+    @Override
+    public NotificationRuleTriggerType getType() {
+        return NotificationRuleTriggerType.API_USAGE_LIMIT;
+    }
+
+    @Override
+    public TenantId getTenantId() {
+        return tenantId;
+    }
+
+    @Override
+    public EntityId getOriginatorEntityId() {
+        return tenantId;
+    }
+
+}

common/dao-api/src/main/java/org/thingsboard/server/dao/notification/trigger/EntitiesLimitTrigger.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/EntitiesLimitTrigger.java

@@ -13,14 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.notification.trigger;
+package org.thingsboard.server.common.msg.notification.trigger;
 
 import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 
 @Data
@@ -39,7 +38,7 @@ public class EntitiesLimitTrigger implements NotificationRuleTrigger {
 
     @Override
     public EntityId getOriginatorEntityId() {
-        return TenantId.SYS_TENANT_ID;
+        return tenantId;
     }
 
 }

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/NewPlatformVersionTrigger.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/NewPlatformVersionTrigger.java

@@ -13,13 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.common.data.notification.rule.trigger;
+package org.thingsboard.server.common.msg.notification.trigger;
 
 import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.UpdateMessage;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 
 @Data
 @Builder
@@ -32,6 +33,11 @@ public class NewPlatformVersionTrigger implements NotificationRuleTrigger {
         return NotificationRuleTriggerType.NEW_PLATFORM_VERSION;
     }
 
+    @Override
+    public TenantId getTenantId() {
+        return TenantId.SYS_TENANT_ID;
+    }
+
     @Override
     public EntityId getOriginatorEntityId() {
         return TenantId.SYS_TENANT_ID;

common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/trigger/NotificationRuleTrigger.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/NotificationRuleTrigger.java

@@ -13,14 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.common.data.notification.rule.trigger;
+package org.thingsboard.server.common.msg.notification.trigger;
 
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 
-public interface NotificationRuleTrigger {
+import java.io.Serializable;
+
+public interface NotificationRuleTrigger extends Serializable {
 
     NotificationRuleTriggerType getType();
 
+    TenantId getTenantId();
+
     EntityId getOriginatorEntityId();
 
 }

common/dao-api/src/main/java/org/thingsboard/server/dao/notification/trigger/RuleEngineComponentLifecycleEventTrigger.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/RuleEngineComponentLifecycleEventTrigger.java

@@ -13,13 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.notification.trigger;
+package org.thingsboard.server.common.msg.notification.trigger;
 
 import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.RuleChainId;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
 
@@ -27,6 +27,7 @@ import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
 @Builder
 public class RuleEngineComponentLifecycleEventTrigger implements NotificationRuleTrigger {
 
+    private final TenantId tenantId;
     private final RuleChainId ruleChainId;
     private final String ruleChainName;
     private final EntityId componentId;

common/dao-api/src/main/java/org/thingsboard/server/dao/notification/trigger/RuleEngineMsgTrigger.java → common/message/src/main/java/org/thingsboard/server/common/msg/notification/trigger/RuleEngineMsgTrigger.java

@@ -13,25 +13,29 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.notification.trigger;
+package org.thingsboard.server.common.msg.notification.trigger;
 
 import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.id.EntityId;
-import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTrigger;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerType;
 import org.thingsboard.server.common.msg.TbMsg;
 
+import java.util.Map;
+
 @Data
 @Builder
 public class RuleEngineMsgTrigger implements NotificationRuleTrigger {
 
+    private final TenantId tenantId;
     private final TbMsg msg;
-    private final NotificationRuleTriggerType triggerType;
+
+    public static Map<String, NotificationRuleTriggerType> msgTypeToTriggerType; // set on init by DefaultNotificationRuleProcessor
 
     @Override
     public NotificationRuleTriggerType getType() {
-        return triggerType;
+        return msgTypeToTriggerType != null ? msgTypeToTriggerType.get(msg.getType()) : null;
     }
 
     @Override

common/queue/src/main/java/org/thingsboard/server/queue/discovery/HashPartitionService.java

@@ -192,6 +192,11 @@ public class HashPartitionService implements PartitionService {
         return resolve(serviceType, null, tenantId, entityId);
     }
 
+    @Override
+    public boolean isMyPartition(ServiceType serviceType, TenantId tenantId, EntityId entityId) {
+        return resolve(serviceType, tenantId, entityId).isMyPartition();
+    }
+
     private TopicPartitionInfo resolve(QueueKey queueKey, EntityId entityId) {
         int hash = hashFunction.newHasher()
                 .putLong(entityId.getId().getMostSignificantBits())

common/queue/src/main/java/org/thingsboard/server/queue/discovery/PartitionService.java

@@ -35,6 +35,8 @@ public interface PartitionService {
 
     TopicPartitionInfo resolve(ServiceType serviceType, TenantId tenantId, EntityId entityId);
 
+    boolean isMyPartition(ServiceType serviceType, TenantId tenantId, EntityId entityId);
+
     /**
      * Received from the Discovery service when network topology is changed.
      * @param currentService - current service information {@link org.thingsboard.server.gen.transport.TransportProtos.ServiceInfo}

common/queue/src/main/java/org/thingsboard/server/queue/notification/RemoteNotificationRuleProcessor.java

@@ -0,0 +1,55 @@
+/**
+ * Copyright © 2016-2023 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.queue.notification;
+
+import com.google.protobuf.ByteString;
+import lombok.RequiredArgsConstructor;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.msg.notification.NotificationRuleProcessor;
+import org.thingsboard.server.common.msg.notification.trigger.NotificationRuleTrigger;
+import org.thingsboard.server.common.msg.queue.ServiceType;
+import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
+import org.thingsboard.server.gen.transport.TransportProtos;
+import org.thingsboard.server.queue.common.TbProtoQueueMsg;
+import org.thingsboard.server.queue.discovery.PartitionService;
+import org.thingsboard.server.queue.provider.TbQueueProducerProvider;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
+
+import java.util.UUID;
+
+@Service
+@ConditionalOnMissingBean(NotificationRuleProcessor.class)
+@RequiredArgsConstructor
+public class RemoteNotificationRuleProcessor implements NotificationRuleProcessor {
+
+    private final TbQueueProducerProvider producerProvider;
+    private final PartitionService partitionService;
+    private final DataDecodingEncodingService encodingService;
+
+    @Override
+    public void process(NotificationRuleTrigger trigger) {
+        TransportProtos.NotificationRuleProcessorMsg.Builder msg = TransportProtos.NotificationRuleProcessorMsg.newBuilder()
+                .setTrigger(ByteString.copyFrom(encodingService.encode(trigger)));
+
+        TopicPartitionInfo tpi = partitionService.resolve(ServiceType.TB_CORE, trigger.getTenantId(), trigger.getOriginatorEntityId());
+        producerProvider.getTbCoreMsgProducer().send(tpi, new TbProtoQueueMsg<>(UUID.randomUUID(),
+                TransportProtos.ToCoreMsg.newBuilder()
+                        .setNotificationRuleProcessorMsg(msg)
+                        .build()), null);
+    }
+
+}

common/util/src/main/java/org/thingsboard/common/util/JacksonUtil.java

@@ -32,7 +32,10 @@ import org.thingsboard.server.common.data.kv.KvEntry;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
 import java.util.function.UnaryOperator;
@@ -237,6 +240,25 @@ public class JacksonUtil {
         }
     }
 
+    public static Map<String, String> toFlatMap(JsonNode node) {
+        HashMap<String, String> map = new HashMap<>();
+        toFlatMap(node, "", map);
+        return map;
+    }
+
+    private static void toFlatMap(JsonNode node, String currentPath, Map<String, String> map) {
+        if (node.isObject()) {
+            Iterator<Map.Entry<String, JsonNode>> fields = node.fields();
+            currentPath = currentPath.isEmpty() ? "" : currentPath + ".";
+            while (fields.hasNext()) {
+                Map.Entry<String, JsonNode> entry = fields.next();
+                toFlatMap(entry.getValue(), currentPath + entry.getKey(), map);
+            }
+        } else if (node.isValueNode()) {
+            map.put(currentPath, node.asText());
+        }
+    }
+
     public static void addKvEntry(ObjectNode entityNode, KvEntry kvEntry) {
         addKvEntry(entityNode, kvEntry, kvEntry.getKey());
     }

dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDao.java

@@ -18,6 +18,7 @@ package org.thingsboard.server.dao.alarm;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.alarm.AlarmQuery;
 import org.thingsboard.server.common.data.alarm.AlarmSeverity;

dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java

@@ -27,6 +27,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.common.data.alarm.AlarmModificationRequest;
 import org.thingsboard.server.common.data.alarm.AlarmStatusFilter;
 import org.thingsboard.server.common.data.alarm.AlarmUpdateRequest;

dao/src/main/java/org/thingsboard/server/dao/notification/DefaultNotificationRuleService.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.dao.notification;
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.HasId;
@@ -32,9 +33,11 @@ import org.thingsboard.server.dao.entity.EntityDaoService;
 import org.thingsboard.server.dao.notification.cache.NotificationRuleCacheKey;
 import org.thingsboard.server.dao.notification.cache.NotificationRuleCacheValue;
 
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 @Service
 @RequiredArgsConstructor
@@ -96,6 +99,7 @@ public class DefaultNotificationRuleService extends AbstractCachedEntityService<
                 .getNotificationRules();
     }
 
+    @Transactional
     @Override
     public void deleteNotificationRuleById(TenantId tenantId, NotificationRuleId id) {
         NotificationRule notificationRule = findNotificationRuleById(tenantId, id);
@@ -106,6 +110,14 @@ public class DefaultNotificationRuleService extends AbstractCachedEntityService<
     @Override
     public void deleteNotificationRulesByTenantId(TenantId tenantId) {
         notificationRuleDao.removeByTenantId(tenantId);
+
+        List<NotificationRuleCacheKey> cacheKeys = Arrays.stream(NotificationRuleTriggerType.values())
+                .map(triggerType -> NotificationRuleCacheKey.builder()
+                        .tenantId(tenantId)
+                        .triggerType(triggerType)
+                        .build())
+                .collect(Collectors.toList());
+        cache.evict(cacheKeys);
     }
 
     @Override

dao/src/main/java/org/thingsboard/server/dao/notification/DefaultNotificationSettingsService.java

@@ -24,6 +24,7 @@ import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.AdminSettings;
+import org.thingsboard.server.common.data.ApiUsageStateValue;
 import org.thingsboard.server.common.data.CacheConstants;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.alarm.AlarmSearchStatus;
@@ -40,7 +41,9 @@ import org.thingsboard.server.common.data.notification.rule.trigger.AlarmAssignm
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmCommentNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.AlarmNotificationRuleTriggerConfig.AlarmAction;
-import org.thingsboard.server.common.data.notification.rule.trigger.DeviceInactivityNotificationRuleTriggerConfig;
+import org.thingsboard.server.common.data.notification.rule.trigger.ApiUsageLimitNotificationRuleTriggerConfig;
+import org.thingsboard.server.common.data.notification.rule.trigger.DeviceActivityNotificationRuleTriggerConfig;
+import org.thingsboard.server.common.data.notification.rule.trigger.DeviceActivityNotificationRuleTriggerConfig.DeviceEvent;
 import org.thingsboard.server.common.data.notification.rule.trigger.EntitiesLimitNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.EntityActionNotificationRuleTriggerConfig;
 import org.thingsboard.server.common.data.notification.rule.trigger.NotificationRuleTriggerConfig;
@@ -124,61 +127,83 @@ public class DefaultNotificationSettingsService implements NotificationSettingsS
             NotificationTarget sysAdmins = createTarget(tenantId, "System administrators", new SystemAdministratorsFilter(), "All system administrators");
             NotificationTarget affectedTenantAdmins = createTarget(tenantId, "Affected tenant's administrators", new AffectedTenantAdministratorsFilter(), "");
 
-            NotificationTemplate entitiesLimitNotificationTemplate = createTemplate(tenantId, "Entities limit notification", NotificationType.ENTITIES_LIMIT,
+            NotificationTemplate entitiesLimitNotificationTemplate = createTemplate(tenantId, "Entities count limit notification", NotificationType.ENTITIES_LIMIT,
                     "${entityType}s limit will be reached soon for tenant ${tenantName}",
                     "${entityType}s usage: ${currentCount}/${limit} (${percents}%)");
             EntitiesLimitNotificationRuleTriggerConfig entitiesLimitRuleTriggerConfig = new EntitiesLimitNotificationRuleTriggerConfig();
             entitiesLimitRuleTriggerConfig.setEntityTypes(null);
             entitiesLimitRuleTriggerConfig.setThreshold(0.8f);
-            createRule(tenantId, "Entities limit", entitiesLimitNotificationTemplate.getId(), entitiesLimitRuleTriggerConfig,
-                    List.of(affectedTenantAdmins.getId(), sysAdmins.getId()), "Send notification to tenant admins when count of entities of some type reached 80% threshold of the limit");
+            createRule(tenantId, "Entities count limit", entitiesLimitNotificationTemplate.getId(), entitiesLimitRuleTriggerConfig,
+                    List.of(affectedTenantAdmins.getId(), sysAdmins.getId()), "Send notification to tenant admins and system admins when count of entities of some type reached 80% threshold of the limit");
+
+            NotificationTemplate apiUsageLimitNotificationTemplate = createTemplate(tenantId, "API usage limit notification", NotificationType.API_USAGE_LIMIT,
+                    "${feature} feature - ${status:upperCase}",
+                    "Tenant '${tenantName}': usage - ${currentValue} out of ${limit} ${unitLabel}s");
+            ApiUsageLimitNotificationRuleTriggerConfig apiUsageLimitRuleTriggerConfig = new ApiUsageLimitNotificationRuleTriggerConfig();
+            apiUsageLimitRuleTriggerConfig.setApiFeatures(null);
+            apiUsageLimitRuleTriggerConfig.setNotifyOn(Set.of(ApiUsageStateValue.WARNING, ApiUsageStateValue.DISABLED));
+            createRule(tenantId, "API usage limit", apiUsageLimitNotificationTemplate.getId(), apiUsageLimitRuleTriggerConfig,
+                    List.of(affectedTenantAdmins.getId(), sysAdmins.getId()), "Send notification to tenant admins and system admins when API feature usage state changed");
             return;
         }
 
-        NotificationTarget originatorEntityOwnerUsers = createTarget(tenantId, "Users of rule trigger entity's owner", new OriginatorEntityOwnerUsersFilter(),
-                "Customer users in case trigger entity (e.g. alarm) has customer, tenant admins otherwise");
+        NotificationTarget originatorEntityOwnerUsers = createTarget(tenantId, "Users of the entity owner", new OriginatorEntityOwnerUsersFilter(),
+                "In case trigger entity (e.g. created device or alarm) is owned by customer, then recipients are this customer's users, otherwise tenant admins");
         NotificationTarget affectedUser = createTarget(tenantId, "Affected user", new AffectedUserFilter(),
                 "If rule trigger is an action that affects some user (e.g. alarm assigned to user) - this user");
 
-        NotificationTemplate alarmNotificationTemplate = createTemplate(tenantId, "Alarm notification", NotificationType.ALARM,
+        NotificationTemplate newAlarmNotificationTemplate = createTemplate(tenantId, "New alarm notification", NotificationType.ALARM,
+                "New alarm '${alarmType}'",
+                "Severity: ${alarmSeverity}, originator: ${alarmOriginatorEntityType} '${alarmOriginatorName}'",
+                "notifications", null, null);
+        AlarmNotificationRuleTriggerConfig newAlarmRuleTriggerConfig = new AlarmNotificationRuleTriggerConfig();
+        newAlarmRuleTriggerConfig.setAlarmTypes(null);
+        newAlarmRuleTriggerConfig.setAlarmSeverities(null);
+        newAlarmRuleTriggerConfig.setNotifyOn(Set.of(AlarmAction.CREATED));
+        createRule(tenantId, "New alarm", newAlarmNotificationTemplate.getId(), newAlarmRuleTriggerConfig,
+                List.of(tenantAdmins.getId(), originatorEntityOwnerUsers.getId()), "Send notification to tenant admins and alarm's customer users " +
+                        "when an alarm is created");
+
+        NotificationTemplate alarmUpdateNotificationTemplate = createTemplate(tenantId, "Alarm update notification", NotificationType.ALARM,
                 "Alarm '${alarmType}' - ${action}",
                 "Severity: ${alarmSeverity}, originator: ${alarmOriginatorEntityType} '${alarmOriginatorName}'",
                 "notifications", null, null);
         AlarmNotificationRuleTriggerConfig alarmRuleTriggerConfig = new AlarmNotificationRuleTriggerConfig();
         alarmRuleTriggerConfig.setAlarmTypes(null);
         alarmRuleTriggerConfig.setAlarmSeverities(null);
-        alarmRuleTriggerConfig.setNotifyOn(Set.of(AlarmAction.CREATED, AlarmAction.SEVERITY_CHANGED, AlarmAction.ACKNOWLEDGED, AlarmAction.CLEARED));
-        createRule(tenantId, "Alarm", alarmNotificationTemplate.getId(), alarmRuleTriggerConfig,
-                List.of(originatorEntityOwnerUsers.getId()), "Send notification to tenant admins or customer users " +
-                        "when any alarm is created, updated or cleared");
+        alarmRuleTriggerConfig.setNotifyOn(Set.of(AlarmAction.SEVERITY_CHANGED, AlarmAction.ACKNOWLEDGED, AlarmAction.CLEARED));
+        createRule(tenantId, "Alarm update", alarmUpdateNotificationTemplate.getId(), alarmRuleTriggerConfig,
+                List.of(tenantAdmins.getId(), originatorEntityOwnerUsers.getId()), "Send notification to tenant admins and alarm's customer users " +
+                        "when any alarm is updated or cleared");
 
         NotificationTemplate deviceActionNotificationTemplate = createTemplate(tenantId, "Device action notification", NotificationType.ENTITY_ACTION,
                 "${entityType} was ${actionType}",
-                "${entityType} '${entityName}' was ${actionType} by user ${originatorUserName}",
-                "info", "Go to Device", "/devices/${entityId}");
+                "${entityType} '${entityName}' was ${actionType} by user ${userEmail}",
+                "info", "Go to device", "/devices/${entityId}");
         EntityActionNotificationRuleTriggerConfig deviceActionRuleTriggerConfig = new EntityActionNotificationRuleTriggerConfig();
-        deviceActionRuleTriggerConfig.setEntityType(EntityType.DEVICE);
+        deviceActionRuleTriggerConfig.setEntityTypes(Set.of(EntityType.DEVICE));
         deviceActionRuleTriggerConfig.setCreated(true);
         deviceActionRuleTriggerConfig.setUpdated(false);
-        deviceActionRuleTriggerConfig.setDeleted(true);
-        createRule(tenantId, "Device created or deleted", deviceActionNotificationTemplate.getId(), deviceActionRuleTriggerConfig,
+        deviceActionRuleTriggerConfig.setDeleted(false);
+        createRule(tenantId, "Device created", deviceActionNotificationTemplate.getId(), deviceActionRuleTriggerConfig,
                 List.of(originatorEntityOwnerUsers.getId()), "Send notification to tenant admins or customer users " +
-                        "when device is created or deleted");
+                        "when device is created");
 
-        NotificationTemplate deviceInactivityNotificationTemplate = createTemplate(tenantId, "Device inactivity notification", NotificationType.DEVICE_INACTIVITY,
-                "Device '${deviceName}' inactive",
-                "Device '${deviceName}' with type '${deviceType}' became inactive",
-                "info", "Go to Device", "/devices/${deviceId}");
-        DeviceInactivityNotificationRuleTriggerConfig deviceInactivityRuleTriggerConfig = new DeviceInactivityNotificationRuleTriggerConfig();
-        deviceInactivityRuleTriggerConfig.setDevices(null);
-        deviceInactivityRuleTriggerConfig.setDeviceProfiles(null);
-        createRule(tenantId, "Device became inactive", deviceInactivityNotificationTemplate.getId(), deviceInactivityRuleTriggerConfig,
+        NotificationTemplate deviceActivityNotificationTemplate = createTemplate(tenantId, "Device activity notification", NotificationType.DEVICE_ACTIVITY,
+                "Device '${deviceName}' became ${eventType}",
+                "Device '${deviceName}' of type '${deviceType}' is now ${eventType}",
+                "info", "Go to device", "/devices/${deviceId}");
+        DeviceActivityNotificationRuleTriggerConfig deviceActivityRuleTriggerConfig = new DeviceActivityNotificationRuleTriggerConfig();
+        deviceActivityRuleTriggerConfig.setDevices(null);
+        deviceActivityRuleTriggerConfig.setDeviceProfiles(null);
+        deviceActivityRuleTriggerConfig.setNotifyOn(Set.of(DeviceEvent.ACTIVE, DeviceEvent.INACTIVE));
+        createRule(tenantId, "Device activity status change", deviceActivityNotificationTemplate.getId(), deviceActivityRuleTriggerConfig,
                 List.of(originatorEntityOwnerUsers.getId()), "Send notification to tenant admins or customer users " +
-                        "when any device became inactive");
+                        "when any device changes its activity state");
 
         NotificationTemplate alarmCommentNotificationTemplate = createTemplate(tenantId, "Alarm comment notification", NotificationType.ALARM_COMMENT,
                 "Comment on '${alarmType}' alarm",
-                "${userName} ${action} comment: ${comment}",
+                "${userEmail} ${action} comment: ${comment}",
                 "people", null, null);
         AlarmCommentNotificationRuleTriggerConfig alarmCommentRuleTriggerConfig = new AlarmCommentNotificationRuleTriggerConfig();
         alarmCommentRuleTriggerConfig.setAlarmTypes(null);
@@ -192,7 +217,7 @@ public class DefaultNotificationSettingsService implements NotificationSettingsS
 
         NotificationTemplate alarmAssignedNotificationTemplate = createTemplate(tenantId, "Alarm assigned notification", NotificationType.ALARM_ASSIGNMENT,
                 "Alarm '${alarmType}' (${alarmSeverity}) was assigned to user",
-                "${userName} assigned alarm on ${alarmOriginatorEntityType} '${alarmOriginatorName}' to ${assigneeEmail}",
+                "${userEmail} assigned alarm on ${alarmOriginatorEntityType} '${alarmOriginatorName}' to ${assigneeEmail}",
                 "person", null, null);
         AlarmAssignmentNotificationRuleTriggerConfig alarmAssignmentRuleTriggerConfig = new AlarmAssignmentNotificationRuleTriggerConfig();
         alarmAssignmentRuleTriggerConfig.setAlarmTypes(null);
@@ -203,9 +228,9 @@ public class DefaultNotificationSettingsService implements NotificationSettingsS
                 List.of(affectedUser.getId()), "Send notification to user when any alarm was assigned to him");
 
         NotificationTemplate ruleEngineComponentLifecycleFailureNotificationTemplate = createTemplate(tenantId, "Rule chain/node lifecycle failure notification", NotificationType.RULE_ENGINE_COMPONENT_LIFECYCLE_EVENT,
+                "${action:capitalize} failure in Rule chain '${ruleChainName}'",
                 "${componentType} '${componentName}' failed to ${action}",
-                "Rule chain '${ruleChainName}' - ${action} failure:<br/>${error}",
-                "warning", "Go to Rule chain", "/ruleChains/${ruleChainId}");
+                "warning", "Go to rule chain", "/ruleChains/${ruleChainId}");
         RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig ruleEngineComponentLifecycleEventRuleTriggerConfig = new RuleEngineComponentLifecycleEventNotificationRuleTriggerConfig();
         ruleEngineComponentLifecycleEventRuleTriggerConfig.setRuleChains(null);
         ruleEngineComponentLifecycleEventRuleTriggerConfig.setRuleChainEvents(Set.of(ComponentLifecycleEvent.STARTED, ComponentLifecycleEvent.UPDATED, ComponentLifecycleEvent.STOPPED));

dao/src/main/java/org/thingsboard/server/dao/notification/DefaultNotificationTargetService.java

@@ -29,6 +29,7 @@ import org.thingsboard.server.common.data.id.TenantProfileId;
 import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.notification.NotificationRequestStatus;
 import org.thingsboard.server.common.data.notification.NotificationType;
+import org.thingsboard.server.common.data.notification.info.RuleOriginatedNotificationInfo;
 import org.thingsboard.server.common.data.notification.targets.NotificationTarget;
 import org.thingsboard.server.common.data.notification.targets.NotificationTargetConfig;
 import org.thingsboard.server.common.data.notification.targets.platform.CustomerUsersFilter;
@@ -97,20 +98,12 @@ public class DefaultNotificationTargetService extends AbstractEntityService impl
         NotificationTarget notificationTarget = findNotificationTargetById(tenantId, targetId);
         Objects.requireNonNull(notificationTarget, "Notification target [" + targetId + "] not found");
         NotificationTargetConfig configuration = notificationTarget.getConfiguration();
-        return findRecipientsForNotificationTargetConfig(tenantId, customerId, configuration, pageLink);
+        return findRecipientsForNotificationTargetConfig(tenantId, (PlatformUsersNotificationTargetConfig) configuration, pageLink);
     }
 
     @Override
-    public int countRecipientsForNotificationTargetConfig(TenantId tenantId, NotificationTargetConfig targetConfig) {
-        return (int) findRecipientsForNotificationTargetConfig(tenantId, null, targetConfig, new PageLink(1)).getTotalElements();
-    }
-
-    @Override
-    public PageData<User> findRecipientsForNotificationTargetConfig(TenantId tenantId, CustomerId customerId, NotificationTargetConfig targetConfig, PageLink pageLink) {
-        if (!(targetConfig instanceof PlatformUsersNotificationTargetConfig)) {
-            throw new IllegalArgumentException("Unsupported target type " + targetConfig.getType());
-        }
-        UsersFilter usersFilter = ((PlatformUsersNotificationTargetConfig) targetConfig).getUsersFilter();
+    public PageData<User> findRecipientsForNotificationTargetConfig(TenantId tenantId, PlatformUsersNotificationTargetConfig targetConfig, PageLink pageLink) {
+        UsersFilter usersFilter = targetConfig.getUsersFilter();
         switch (usersFilter.getType()) {
             case USER_LIST: {
                 List<User> users = ((UserListFilter) usersFilter).getUsersIds().stream()
@@ -142,8 +135,6 @@ public class DefaultNotificationTargetService extends AbstractEntityService impl
                     }
                 }
             }
-            case AFFECTED_TENANT_ADMINISTRATORS:
-                return userService.findTenantAdmins(tenantId, pageLink);
             case SYSTEM_ADMINISTRATORS:
                 return userService.findSysAdmins(pageLink);
             case ALL_USERS: {
@@ -153,13 +144,34 @@ public class DefaultNotificationTargetService extends AbstractEntityService impl
                     return userService.findAllUsers(pageLink);
                 }
             }
-            case ORIGINATOR_ENTITY_OWNER_USERS: {
+        }
+        return new PageData<>();
+    }
+
+    @Override
+    public PageData<User> findRecipientsForRuleNotificationTargetConfig(TenantId tenantId, PlatformUsersNotificationTargetConfig targetConfig, RuleOriginatedNotificationInfo info, PageLink pageLink) {
+        switch (targetConfig.getUsersFilter().getType()) {
+            case ORIGINATOR_ENTITY_OWNER_USERS:
+                CustomerId customerId = info.getAffectedCustomerId();
                 if (customerId != null && !customerId.isNullUid()) {
                     return userService.findCustomerUsers(tenantId, customerId, pageLink);
                 } else {
                     return userService.findTenantAdmins(tenantId, pageLink);
                 }
-            }
+            case AFFECTED_USER:
+                UserId userId = info.getAffectedUserId();
+                if (userId != null) {
+                    return new PageData<>(List.of(userService.findUserById(tenantId, userId)), 1, 1, false);
+                }
+            case AFFECTED_TENANT_ADMINISTRATORS:
+                TenantId affectedTenantId = info.getAffectedTenantId();
+                if (affectedTenantId == null) {
+                    affectedTenantId = tenantId;
+                }
+                if (!affectedTenantId.isNullUid()) {
+                    return userService.findTenantAdmins(affectedTenantId, pageLink);
+                }
+                break;
         }
         return new PageData<>();
     }

dao/src/main/java/org/thingsboard/server/dao/service/validator/AdminSettingsDataValidator.java

@@ -32,8 +32,8 @@ public class AdminSettingsDataValidator extends DataValidator<AdminSettings> {
 
     @Override
     protected void validateCreate(TenantId tenantId, AdminSettings adminSettings) {
-        AdminSettings existentAdminSettingsWithKey = adminSettingsService.findAdminSettingsByKey(tenantId, adminSettings.getKey());
-        if (existentAdminSettingsWithKey != null) {
+        AdminSettings existingSettings = adminSettingsService.findAdminSettingsByTenantIdAndKey(tenantId, adminSettings.getKey());
+        if (existingSettings != null) {
             throw new DataValidationException("Admin settings with such name already exists!");
         }
     }

dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java

@@ -48,7 +48,7 @@ import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.common.data.query.AlarmData;
 import org.thingsboard.server.common.data.query.AlarmDataQuery;
 import org.thingsboard.server.dao.DaoUtil;
-import org.thingsboard.server.dao.alarm.AlarmApiCallResult;
+import org.thingsboard.server.common.data.alarm.AlarmApiCallResult;
 import org.thingsboard.server.dao.alarm.AlarmDao;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.model.sql.AlarmEntity;

dao/src/main/java/org/thingsboard/server/dao/sql/notification/NotificationRepository.java

@@ -63,7 +63,8 @@ public interface NotificationRepository extends JpaRepository<NotificationEntity
 
     @Modifying
     @Transactional
-    @Query("UPDATE NotificationEntity n SET n.status = :status WHERE n.recipientId = :recipientId")
+    @Query("UPDATE NotificationEntity n SET n.status = :status " +
+            "WHERE n.recipientId = :recipientId AND n.status <> :status")
     int updateStatusByRecipientId(@Param("recipientId") UUID recipientId,
                                   @Param("status") NotificationStatus status);