enhance(backend): フォロー・フォロワー関連の通知の受信設定の強化 (#13468)

* enhance(backend): 通知の受信設定に「フォロー中またはフォロワー」を追加

* fix(backend): 通知の受信設定で「相互フォロー」が正しく動作しない問題を修正

* Update CHANGELOG.md

packages/backend/src/core/NotificationService.ts

@@ -122,6 +122,14 @@ export class NotificationService implements OnApplicationShutdown {
 					return null;
 				}
 			} else if (recieveConfig?.type === 'mutualFollow') {
+				const [isFollowing, isFollower] = await Promise.all([
+					this.cacheService.userFollowingsCache.fetch(notifieeId).then(followings => Object.hasOwn(followings, notifierId)),
+					this.cacheService.userFollowingsCache.fetch(notifierId).then(followings => Object.hasOwn(followings, notifieeId)),
+				]);
+				if (!(isFollowing && isFollower)) {
+					return null;
+				}
+			} else if (recieveConfig?.type === 'followingOrFollower') {
 				const [isFollowing, isFollower] = await Promise.all([
 					this.cacheService.userFollowingsCache.fetch(notifieeId).then(followings => Object.hasOwn(followings, notifierId)),
 					this.cacheService.userFollowingsCache.fetch(notifierId).then(followings => Object.hasOwn(followings, notifieeId)),

packages/backend/src/models/UserProfile.ts

@@ -249,6 +249,8 @@ export class MiUserProfile {
 			type: 'follower';
 		} | {
 			type: 'mutualFollow';
+		} | {
+			type: 'followingOrFollower';
 		} | {
 			type: 'list';
 			userListId: MiUserList['id'];

packages/backend/src/models/json-schema/user.ts

@@ -13,7 +13,7 @@ export const notificationRecieveConfig = {
 				type: {
 					type: 'string',
 					nullable: false,
-					enum: ['all', 'following', 'follower', 'mutualFollow', 'never'],
+					enum: ['all', 'following', 'follower', 'mutualFollow', 'followingOrFollower', 'never'],
 				},
 			},
 			required: ['type'],