enhance(server): delete outdated notifications regularly to improve db performance

CHANGELOG.md

@@ -25,6 +25,7 @@ You should also include the user name that made the change.
 - Add Cloudflare Turnstile CAPTCHA support @CyberRex0
 - Server: improve syslog performance @syuilo
 - Server: improve note scoring for featured notes @CyberRex0
+- Server: delete outdated notifications regularly to improve db performance @syuilo
 - Client: use tabler-icons instead of fontawesome to better design @syuilo
 - Client: Add new gabber kick sounds (thanks for noizenecio)
 - Client: Compress non-animated PNG files @saschanaz

packages/backend/src/queue/processors/CleanProcessorService.ts

 import { Inject, Injectable } from '@nestjs/common';
 import { In, LessThan, MoreThan } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import type { UserIpsRepository } from '@/models/index.js';
+import type { NotificationsRepository, UserIpsRepository } from '@/models/index.js';
 import type { Config } from '@/config.js';
 import type Logger from '@/logger.js';
+import { bindThis } from '@/decorators.js';
 import { QueueLoggerService } from '../QueueLoggerService.js';
 import type Bull from 'bull';
-import { bindThis } from '@/decorators.js';
 
 @Injectable()
 export class CleanProcessorService {
@@ -19,6 +19,9 @@ export class CleanProcessorService {
 		@Inject(DI.userIpsRepository)
 		private userIpsRepository: UserIpsRepository,
 
+		@Inject(DI.notificationsRepository)
+		private notificationsRepository: NotificationsRepository,
+
 		private queueLoggerService: QueueLoggerService,
 	) {
 		this.logger = this.queueLoggerService.logger.createSubLogger('clean');
@@ -32,6 +35,10 @@ export class CleanProcessorService {
 			createdAt: LessThan(new Date(Date.now() - (1000 * 60 * 60 * 24 * 90))),
 		});
 
+		this.notificationsRepository.delete({
+			createdAt: LessThan(new Date(Date.now() - (1000 * 60 * 60 * 24 * 90))),
+		});
+
 		this.logger.succ('Cleaned.');
 		done();
 	}