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Date: Sun, 3 Dec 2023 20:46:19 +0900
Subject: [PATCH] =?UTF-8?q?fix=20(backend):=20=E3=80=8C=E3=81=BF=E3=81=A4?=
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* fix (backend): 「みつける」のなかにミュートしたユーザが現れてしまう問題を修正

* fix
---
 CHANGELOG.md                                  |  1 +
 .../server/api/endpoints/notes/featured.ts    | 21 ++++++++++++++++---
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 694f330120..453bdeff59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,7 @@
 - Fix: 特定の条件下でチャンネルやユーザーのノート一覧に最新のノートが表示されなくなる問題を修正
 - Fix: 何もノートしていないユーザーのフィードにアクセスするとエラーになる問題を修正
 - Fix: リストタイムラインにてミュートが機能しないケースがある問題と、チャンネル投稿がストリーミングで流れてきてしまう問題を修正 #10443
+- Fix: 「みつける」のなかにミュートしたユーザが現れてしまう問題を修正 #12383
 
 ## 2023.11.1
 
diff --git a/packages/backend/src/server/api/endpoints/notes/featured.ts b/packages/backend/src/server/api/endpoints/notes/featured.ts
index bc6cbe242f..31b8d1ad2d 100644
--- a/packages/backend/src/server/api/endpoints/notes/featured.ts
+++ b/packages/backend/src/server/api/endpoints/notes/featured.ts
@@ -9,6 +9,8 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { DI } from '@/di-symbols.js';
 import { FeaturedService } from '@/core/FeaturedService.js';
+import { isUserRelated } from '@/misc/is-user-related.js';
+import { CacheService } from '@/core/CacheService.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -47,6 +49,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,
 
+		private cacheService: CacheService,
 		private noteEntityService: NoteEntityService,
 		private featuredService: FeaturedService,
 	) {
@@ -74,6 +77,14 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				return [];
 			}
 
+			const [
+				userIdsWhoMeMuting,
+				userIdsWhoBlockingMe,
+			] = me ? await Promise.all([
+				this.cacheService.userMutingsCache.fetch(me.id),
+				this.cacheService.userBlockedCache.fetch(me.id),
+			]) : [new Set<string>(), new Set<string>()];
+
 			const query = this.notesRepository.createQueryBuilder('note')
 				.where('note.id IN (:...noteIds)', { noteIds: noteIds })
 				.innerJoinAndSelect('note.user', 'user')
@@ -83,10 +94,14 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser')
 				.leftJoinAndSelect('note.channel', 'channel');
 
-			const notes = await query.getMany();
-			notes.sort((a, b) => a.id > b.id ? -1 : 1);
+			const notes = (await query.getMany()).filter(note => {
+				if (me && isUserRelated(note, userIdsWhoBlockingMe)) return false;
+				if (me && isUserRelated(note, userIdsWhoMeMuting)) return false;
 
-			// TODO: ミュート等考慮
+				return true;
+			});
+
+			notes.sort((a, b) => a.id > b.id ? -1 : 1);
 
 			return await this.noteEntityService.packMany(notes, me);
 		});