updated alarm comment deletion

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

@@ -48,15 +48,7 @@ public class DefaultTbAlarmCommentService extends AbstractTbEntityService implem
 
     @Override
     public void deleteAlarmComment(Alarm alarm, AlarmComment alarmComment, User user) {
-        alarmCommentService.deleteAlarmComment(alarm.getTenantId(), alarmComment.getId());
+        alarmCommentService.deleteAlarmComment(alarm.getTenantId(), alarmComment, user);
         notificationEntityService.notifyAlarmComment(alarm, alarmComment, ActionType.DELETED_COMMENT, user);
-
-        AlarmComment.AlarmCommentBuilder commentDeletedComment = AlarmComment.builder()
-                .alarmId(alarm.getId())
-                .type(AlarmCommentType.SYSTEM)
-                .comment(JacksonUtil.newObjectNode().put("text",
-                        String.format("User %s deleted his comment", user.getName())));
-
-        alarmCommentService.createOrUpdateAlarmComment(alarm.getTenantId(), commentDeletedComment.build());
     }
 }

application/src/test/java/org/thingsboard/server/service/entitiy/alarmComment/DefaultTbAlarmCommentServiceTest.java

@@ -86,10 +86,11 @@ public class DefaultTbAlarmCommentServiceTest {
     @Test
     public void testDelete() {
         var alarmId = new AlarmId(UUID.randomUUID());
-        var alarmCommentId = new AlarmCommentId(UUID.randomUUID());
+        var alarmComment = new AlarmComment();
+        alarmComment.setAlarmId(alarmId);
 
-        doNothing().when(alarmCommentService).deleteAlarmComment(Mockito.any(), eq(alarmCommentId));
-        service.deleteAlarmComment(new Alarm(alarmId), new AlarmComment(alarmCommentId), new User());
+        doNothing().when(alarmCommentService).deleteAlarmComment(Mockito.any(), eq(alarmComment), Mockito.any());
+        service.deleteAlarmComment(new Alarm(alarmId), new AlarmComment(), new User());
 
         verify(notificationEntityService, times(1)).notifyAlarmComment(any(), any(), any(), any());
     }

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

@@ -16,6 +16,7 @@
 package org.thingsboard.server.dao.alarm;
 
 import com.google.common.util.concurrent.ListenableFuture;
+import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.alarm.AlarmComment;
 import org.thingsboard.server.common.data.alarm.AlarmCommentInfo;
 import org.thingsboard.server.common.data.id.AlarmCommentId;
@@ -27,7 +28,7 @@ import org.thingsboard.server.common.data.page.PageLink;
 public interface AlarmCommentService {
     AlarmComment createOrUpdateAlarmComment(TenantId tenantId, AlarmComment alarmComment);
 
-    void deleteAlarmComment(TenantId tenantId, AlarmCommentId alarmCommentId);
+    void deleteAlarmComment(TenantId tenantId, AlarmComment alarmComment, User user);
 
     PageData<AlarmCommentInfo> findAlarmComments(TenantId tenantId, AlarmId alarmId, PageLink pageLink);
 

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

@@ -22,12 +22,16 @@ import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.alarm.AlarmComment;
 import org.thingsboard.server.common.data.alarm.AlarmCommentInfo;
 import org.thingsboard.server.common.data.alarm.AlarmCommentType;
 import org.thingsboard.server.common.data.id.AlarmCommentId;
 import org.thingsboard.server.common.data.id.AlarmId;
+import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.dao.entity.AbstractEntityService;
@@ -58,9 +62,20 @@ public class BaseAlarmCommentService extends AbstractEntityService implements Al
     }
 
     @Override
-    public void deleteAlarmComment(TenantId tenantId, AlarmCommentId alarmCommentId) {
-        log.debug("Deleting Alarm Comment with id: {}", alarmCommentId);
-        alarmCommentDao.deleteAlarmComment(tenantId, alarmCommentId);
+    public void deleteAlarmComment(TenantId tenantId, AlarmComment alarmComment, User user) {
+        log.debug("Deleting Alarm Comment: {}", alarmComment);
+
+        if (alarmComment.getType() == AlarmCommentType.OTHER) {
+            alarmComment.setType(AlarmCommentType.SYSTEM);
+            alarmComment.setUserId(null);
+            alarmComment.setComment(JacksonUtil.newObjectNode().put("text",
+                    String.format("User %s deleted his comment",
+                            (user.getFirstName() == null || user.getLastName() == null) ? user.getName() : user.getFirstName() + " " + user.getLastName())));
+            alarmCommentDao.save(tenantId, alarmComment);
+        }
+        else {
+            alarmCommentDao.deleteAlarmComment(tenantId, alarmComment.getId());
+        }
     }
 
     @Override

dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmCommentServiceTest.java

@@ -155,7 +155,7 @@ public abstract class BaseAlarmCommentServiceTest extends AbstractServiceTest {
         Assert.assertNotNull(createdComment);
         Assert.assertNotNull(createdComment.getId());
 
-        alarmCommentService.deleteAlarmComment(tenantId, createdComment.getId());
+        alarmCommentService.deleteAlarmComment(tenantId, createdComment, user);
 
         AlarmComment fetched = alarmCommentService.findAlarmCommentByIdAsync(tenantId, createdComment.getId()).get();