refactor: users.total metric (#23158)

* refactor: users.total metric

* fix: broken test

server/src/services/base.service.ts

@@ -198,8 +198,8 @@ export class BaseService {
   }
 
   async createUser(dto: Insertable<UserTable> & { email: string }): Promise<UserAdmin> {
-    const user = await this.userRepository.getByEmail(dto.email);
-    if (user) {
+    const exists = await this.userRepository.getByEmail(dto.email);
+    if (exists) {
       throw new BadRequestException('User exists');
     }
 
@@ -218,7 +218,10 @@ export class BaseService {
       payload.storageLabel = sanitize(payload.storageLabel.replaceAll('.', ''));
     }
 
-    this.telemetryRepository.api.addToGauge(`immich.users.total`, 1);
-    return this.userRepository.create(payload);
+    const user = await this.userRepository.create(payload);
+
+    await this.eventRepository.emit('UserCreate', user);
+
+    return user;
   }
 }

server/src/services/index.ts

@@ -34,6 +34,7 @@ import { SyncService } from 'src/services/sync.service';
 import { SystemConfigService } from 'src/services/system-config.service';
 import { SystemMetadataService } from 'src/services/system-metadata.service';
 import { TagService } from 'src/services/tag.service';
+import { TelemetryService } from 'src/services/telemetry.service';
 import { TimelineService } from 'src/services/timeline.service';
 import { TrashService } from 'src/services/trash.service';
 import { UserAdminService } from 'src/services/user-admin.service';
@@ -78,6 +79,7 @@ export const services = [
   SystemConfigService,
   SystemMetadataService,
   TagService,
+  TelemetryService,
   TimelineService,
   TrashService,
   UserAdminService,

server/src/services/telemetry.service.ts

@@ -0,0 +1,26 @@
+import { OnEvent } from 'src/decorators';
+import { ImmichWorker } from 'src/enum';
+import { BaseService } from 'src/services/base.service';
+
+export class TelemetryService extends BaseService {
+  @OnEvent({ name: 'AppBootstrap', workers: [ImmichWorker.Api] })
+  async onBootstrap(): Promise<void> {
+    const userCount = await this.userRepository.getCount();
+    this.telemetryRepository.api.addToGauge('immich.users.total', userCount);
+  }
+
+  @OnEvent({ name: 'UserCreate' })
+  onUserCreate() {
+    this.telemetryRepository.api.addToGauge(`immich.users.total`, 1);
+  }
+
+  @OnEvent({ name: 'UserDelete' })
+  onUserDelete() {
+    this.telemetryRepository.api.addToGauge(`immich.users.total`, -1);
+  }
+
+  @OnEvent({ name: 'UserRestore' })
+  onUserRestore() {
+    this.telemetryRepository.api.addToGauge(`immich.users.total`, 1);
+  }
+}

server/src/services/user-admin.service.ts

@@ -103,7 +103,8 @@ export class UserAdminService extends BaseService {
 
     const status = force ? UserStatus.Removing : UserStatus.Deleted;
     const user = await this.userRepository.update(id, { status, deletedAt: new Date() });
-    this.telemetryRepository.api.addToGauge(`immich.users.total`, -1);
+
+    await this.eventRepository.emit('UserDelete', user);
 
     if (force) {
       await this.jobRepository.queue({ name: JobName.UserDelete, data: { id: user.id, force } });
@@ -116,7 +117,7 @@ export class UserAdminService extends BaseService {
     await this.findOrFail(id, { withDeleted: true });
     await this.albumRepository.restoreAll(id);
     const user = await this.userRepository.restore(id);
-    this.telemetryRepository.api.addToGauge('immich.users.total', 1);
+    await this.eventRepository.emit('UserRestore', user);
     return mapUserAdmin(user);
   }
 

server/src/services/user.service.ts

@@ -3,14 +3,14 @@ import { Updateable } from 'kysely';
 import { DateTime } from 'luxon';
 import { SALT_ROUNDS } from 'src/constants';
 import { StorageCore } from 'src/cores/storage.core';
-import { OnEvent, OnJob } from 'src/decorators';
+import { OnJob } from 'src/decorators';
 import { AuthDto } from 'src/dtos/auth.dto';
 import { LicenseKeyDto, LicenseResponseDto } from 'src/dtos/license.dto';
 import { OnboardingDto, OnboardingResponseDto } from 'src/dtos/onboarding.dto';
 import { UserPreferencesResponseDto, UserPreferencesUpdateDto, mapPreferences } from 'src/dtos/user-preferences.dto';
 import { CreateProfileImageResponseDto } from 'src/dtos/user-profile.dto';
 import { UserAdminResponseDto, UserResponseDto, UserUpdateMeDto, mapUser, mapUserAdmin } from 'src/dtos/user.dto';
-import { CacheControl, ImmichWorker, JobName, JobStatus, QueueName, StorageFolder, UserMetadataKey } from 'src/enum';
+import { CacheControl, JobName, JobStatus, QueueName, StorageFolder, UserMetadataKey } from 'src/enum';
 import { UserFindOptions } from 'src/repositories/user.repository';
 import { UserTable } from 'src/schema/tables/user.table';
 import { BaseService } from 'src/services/base.service';
@@ -213,12 +213,6 @@ export class UserService extends BaseService {
     };
   }
 
-  @OnEvent({ name: 'AppBootstrap', workers: [ImmichWorker.Api] })
-  async onBootstrap(): Promise<void> {
-    const userCount = await this.userRepository.getCount();
-    this.telemetryRepository.api.addToGauge('immich.users.total', userCount);
-  }
-
   @OnJob({ name: JobName.UserSyncUsage, queue: QueueName.BackgroundTask })
   async handleUserSyncUsage(): Promise<JobStatus> {
     await this.userRepository.syncUsage();