fix(backend): avoid notifying to remote users on local (#13774)

* fix(backend): avoid notifying to remote users on local

* Update CHANGELOG.md

* refactor: check before calling method

---------

Co-authored-by: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/backend/src/core/RoleService.ts

@@ -505,14 +505,15 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 
 		this.globalEventService.publishInternalEvent('userRoleAssigned', created);
 
-		if (role.isPublic) {
+		const user = await this.usersRepository.findOneByOrFail({ id: userId });
+
+		if (role.isPublic && user.host === null) {
 			this.notificationService.createNotification(userId, 'roleAssigned', {
 				roleId: roleId,
 			});
 		}
 
 		if (moderator) {
-			const user = await this.usersRepository.findOneByOrFail({ id: userId });
 			this.moderationLogService.log(moderator, 'assignRole', {
 				roleId: roleId,
 				roleName: role.name,

packages/backend/src/core/UserFollowingService.ts

@@ -279,8 +279,10 @@ export class UserFollowingService implements OnModuleInit {
 			});
 
 			// 通知を作成
-			this.notificationService.createNotification(follower.id, 'followRequestAccepted', {
-			}, followee.id);
+			if (follower.host === null) {
+				this.notificationService.createNotification(follower.id, 'followRequestAccepted', {
+				}, followee.id);
+			}
 		}
 
 		if (alreadyFollowed) return;

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

@@ -7,6 +7,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
 import type { PollVotesRepository, NotesRepository } from '@/models/_.js';
 import type Logger from '@/logger.js';
+import { CacheService } from '@/core/CacheService.js';
 import { NotificationService } from '@/core/NotificationService.js';
 import { bindThis } from '@/decorators.js';
 import { QueueLoggerService } from '../QueueLoggerService.js';
@@ -24,6 +25,7 @@ export class EndedPollNotificationProcessorService {
 		@Inject(DI.pollVotesRepository)
 		private pollVotesRepository: PollVotesRepository,
 
+		private cacheService: CacheService,
 		private notificationService: NotificationService,
 		private queueLoggerService: QueueLoggerService,
 	) {
@@ -47,9 +49,12 @@ export class EndedPollNotificationProcessorService {
 		const userIds = [...new Set([note.userId, ...votes.map(v => v.userId)])];
 
 		for (const userId of userIds) {
-			this.notificationService.createNotification(userId, 'pollEnded', {
-				noteId: note.id,
-			});
+			const profile = await this.cacheService.userProfileCache.fetch(userId);
+			if (profile.userHost === null) {
+				this.notificationService.createNotification(userId, 'pollEnded', {
+					noteId: note.id,
+				});
+			}
 		}
 	}
 }