3 files changed, 60 insertions, 6 deletions
diff --git a/packages/backend/src/server/ActivityPubServerService.ts b/packages/backend/src/server/ActivityPubServerService.ts
index f7b22c44c4..a5fb5b82e3 100644
--- a/packages/backend/src/server/ActivityPubServerService.ts
+++ b/packages/backend/src/server/ActivityPubServerService.ts
@@ -482,9 +482,19 @@ export class ActivityPubServerService {
 					return true;
 				},
 				dbFallback: async (untilId, sinceId, limit) => {
-					return await this.getUserNotesFromDb(sinceId, untilId, limit, user.id);
+					return await this.getUserNotesFromDb({
+						untilId,
+						sinceId,
+						limit,
+						userId: user.id,
+					});
 				},
-			}) : await this.getUserNotesFromDb(sinceId ?? null, untilId ?? null, limit, user.id);
+			}) : await this.getUserNotesFromDb({
+				untilId: untilId ?? null,
+				sinceId: sinceId ?? null,
+				limit,
+				userId: user.id,
+			});
 
 			if (sinceId) notes.reverse();
 
@@ -523,16 +533,21 @@ export class ActivityPubServerService {
 	}
 
 	@bindThis
-	private async getUserNotesFromDb(untilId: string | null, sinceId: string | null, limit: number, userId: MiUser['id']) {
-		return await this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), sinceId, untilId)
-			.andWhere('note.userId = :userId', { userId })
+	private async getUserNotesFromDb(ps: {
+		untilId: string | null,
+		sinceId: string | null,
+		limit: number,
+		userId: MiUser['id'],
+	}) {
+		return await this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+			.andWhere('note.userId = :userId', { userId: ps.userId })
 			.andWhere(new Brackets(qb => {
 				qb
 					.where('note.visibility = \'public\'')
 					.orWhere('note.visibility = \'home\'');
 			}))
 			.andWhere('note.localOnly = FALSE')
-			.limit(limit)
+			.limit(ps.limit)
 			.getMany();
 	}
 
diff --git a/packages/backend/src/server/api/endpoint-list.ts b/packages/backend/src/server/api/endpoint-list.ts
index 1fdd000fdf..092d296bd3 100644
--- a/packages/backend/src/server/api/endpoint-list.ts
+++ b/packages/backend/src/server/api/endpoint-list.ts
@@ -428,4 +428,5 @@ export * as 'chat/rooms/invitations/ignore' from './endpoints/chat/rooms/invitat
 export * as 'chat/rooms/invitations/inbox' from './endpoints/chat/rooms/invitations/inbox.js';
 export * as 'chat/rooms/invitations/outbox' from './endpoints/chat/rooms/invitations/outbox.js';
 export * as 'chat/history' from './endpoints/chat/history.js';
+export * as 'chat/read-all' from './endpoints/chat/read-all.js';
 export * as 'v2/admin/emoji/list' from './endpoints/v2/admin/emoji/list.js';
diff --git a/packages/backend/src/server/api/endpoints/chat/read-all.ts b/packages/backend/src/server/api/endpoints/chat/read-all.ts
new file mode 100644
index 0000000000..2ed9497eef
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/chat/read-all.ts
@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { ChatService } from '@/core/ChatService.js';
+import { ApiError } from '@/server/api/error.js';
+
+export const meta = {
+	tags: ['chat'],
+
+	requireCredential: true,
+
+	kind: 'write:chat',
+
+	errors: {
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+	},
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private chatService: ChatService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			await this.chatService.readAllChatMessages(me.id);
+		});
+	}
+}