add todo notes

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

@@ -431,6 +431,7 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
                         throw new DataValidationException("Alarm should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(alarm.getTenantId());
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Alarm is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/asset/BaseAssetService.java

@@ -417,7 +417,7 @@ public class BaseAssetService extends AbstractEntityService implements AssetServ
                         throw new DataValidationException("Asset should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(asset.getTenantId());
-                        // FIXME: 12.01.22
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Asset is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java

@@ -211,6 +211,7 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
                         throw new DataValidationException("Customer should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(customer.getTenantId());
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Customer is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/dashboard/DashboardServiceImpl.java

@@ -309,7 +309,7 @@ public class DashboardServiceImpl extends AbstractEntityService implements Dashb
                         throw new DataValidationException("Dashboard should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(dashboard.getTenantId());
-                        // FIXME: 12.01.22
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Dashboard is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/device/DeviceProfileServiceImpl.java

@@ -376,6 +376,7 @@ public class DeviceProfileServiceImpl extends AbstractEntityService implements D
                         throw new DataValidationException("Device profile should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(deviceProfile.getTenantId());
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Device profile is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/device/DeviceServiceImpl.java

@@ -742,6 +742,7 @@ public class DeviceServiceImpl extends AbstractEntityService implements DeviceSe
                         throw new DataValidationException("Device should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(device.getTenantId());
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Device is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/edge/EdgeServiceImpl.java

@@ -414,6 +414,7 @@ public class EdgeServiceImpl extends AbstractEntityService implements EdgeServic
                         throw new DataValidationException("Edge should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(edge.getTenantId());
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Edge is referencing to non-existent tenant!");
                         }

dao/src/main/java/org/thingsboard/server/dao/entityview/EntityViewServiceImpl.java

@@ -433,6 +433,7 @@ public class EntityViewServiceImpl extends AbstractEntityService implements Enti
                         throw new DataValidationException("Entity view should be assigned to tenant!");
                     } else {
                         Tenant tenant = tenantService.findTenantById(entityView.getTenantId());
+                        // TODO: 13.01.22 Instead of finding and checking for null need to create and use tenantService.exists()
                         if (tenant == null) {
                             throw new DataValidationException("Entity view is referencing to non-existent tenant!");
                         }