enhance(backend): RedisへのTLの構築をListで行うように

#11404

packages/backend/src/core/AntennaService.ts

@@ -16,6 +16,7 @@ import type { AntennasRepository, UserListMembershipsRepository } from '@/models
 import { UtilityService } from '@/core/UtilityService.js';
 import { bindThis } from '@/decorators.js';
 import type { GlobalEvents } from '@/core/GlobalEventService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import type { OnApplicationShutdown } from '@nestjs/common';
 
 @Injectable()
@@ -38,6 +39,7 @@ export class AntennaService implements OnApplicationShutdown {
 
 		private utilityService: UtilityService,
 		private globalEventService: GlobalEventService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		this.antennasFetched = false;
 		this.antennas = [];
@@ -77,9 +79,6 @@ export class AntennaService implements OnApplicationShutdown {
 
 	@bindThis
 	public async addNoteToAntennas(note: MiNote, noteUser: { id: MiUser['id']; username: string; host: string | null; }): Promise<void> {
-		// リモートから遅れて届いた(もしくは後から追加された)投稿日時が古い投稿が追加されるとページネーション時に問題を引き起こすため、3分以内に投稿されたもののみを追加する
-		if (Date.now() - note.createdAt.getTime() > 1000 * 60 * 3) return;
-
 		const antennas = await this.getAntennas();
 		const antennasWithMatchResult = await Promise.all(antennas.map(antenna => this.checkHitAntenna(antenna, note, noteUser).then(hit => [antenna, hit] as const)));
 		const matchedAntennas = antennasWithMatchResult.filter(([, hit]) => hit).map(([antenna]) => antenna);
@@ -87,12 +86,7 @@ export class AntennaService implements OnApplicationShutdown {
 		const redisPipeline = this.redisForTimelines.pipeline();
 
 		for (const antenna of matchedAntennas) {
-			redisPipeline.xadd(
-				`antennaTimeline:${antenna.id}`,
-				'MAXLEN', '~', '200',
-				'*',
-				'note', note.id);
-
+			this.redisTimelineService.push(`antennaTimeline:${antenna.id}`, note.id, 200, redisPipeline);
 			this.globalEventService.publishAntennaStream(antenna.id, 'note', note);
 		}
 

packages/backend/src/core/CoreModule.ts

@@ -61,6 +61,7 @@ import { FileInfoService } from './FileInfoService.js';
 import { SearchService } from './SearchService.js';
 import { ClipService } from './ClipService.js';
 import { FeaturedService } from './FeaturedService.js';
+import { RedisTimelineService } from './RedisTimelineService.js';
 import { ChartLoggerService } from './chart/ChartLoggerService.js';
 import FederationChart from './chart/charts/federation.js';
 import NotesChart from './chart/charts/notes.js';
@@ -189,6 +190,7 @@ const $FileInfoService: Provider = { provide: 'FileInfoService', useExisting: Fi
 const $SearchService: Provider = { provide: 'SearchService', useExisting: SearchService };
 const $ClipService: Provider = { provide: 'ClipService', useExisting: ClipService };
 const $FeaturedService: Provider = { provide: 'FeaturedService', useExisting: FeaturedService };
+const $RedisTimelineService: Provider = { provide: 'RedisTimelineService', useExisting: RedisTimelineService };
 
 const $ChartLoggerService: Provider = { provide: 'ChartLoggerService', useExisting: ChartLoggerService };
 const $FederationChart: Provider = { provide: 'FederationChart', useExisting: FederationChart };
@@ -321,6 +323,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		SearchService,
 		ClipService,
 		FeaturedService,
+		RedisTimelineService,
 		ChartLoggerService,
 		FederationChart,
 		NotesChart,
@@ -446,6 +449,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$SearchService,
 		$ClipService,
 		$FeaturedService,
+		$RedisTimelineService,
 		$ChartLoggerService,
 		$FederationChart,
 		$NotesChart,
@@ -572,6 +576,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		SearchService,
 		ClipService,
 		FeaturedService,
+		RedisTimelineService,
 		FederationChart,
 		NotesChart,
 		UsersChart,
@@ -696,6 +701,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$SearchService,
 		$ClipService,
 		$FeaturedService,
+		$RedisTimelineService,
 		$FederationChart,
 		$NotesChart,
 		$UsersChart,

packages/backend/src/core/NoteCreateService.ts

@@ -54,6 +54,7 @@ import { RoleService } from '@/core/RoleService.js';
 import { MetaService } from '@/core/MetaService.js';
 import { SearchService } from '@/core/SearchService.js';
 import { FeaturedService } from '@/core/FeaturedService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 
 type NotificationType = 'reply' | 'renote' | 'quote' | 'mention';
 
@@ -194,6 +195,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 		private idService: IdService,
 		private globalEventService: GlobalEventService,
 		private queueService: QueueService,
+		private redisTimelineService: RedisTimelineService,
 		private noteReadService: NoteReadService,
 		private notificationService: NotificationService,
 		private relayService: RelayService,
@@ -347,14 +349,6 @@ export class NoteCreateService implements OnApplicationShutdown {
 
 		const note = await this.insertNote(user, data, tags, emojis, mentionedUsers);
 
-		if (data.channel) {
-			this.redisForTimelines.xadd(
-				`channelTimeline:${data.channel.id}`,
-				'MAXLEN', '~', this.config.perChannelMaxNoteCacheCount.toString(),
-				'*',
-				'note', note.id);
-		}
-
 		setImmediate('post created', { signal: this.#shutdownController.signal }).then(
 			() => this.postNoteCreated(note, user, data, silent, tags!, mentionedUsers!),
 			() => { /* aborted, ignore this */ },
@@ -822,20 +816,14 @@ export class NoteCreateService implements OnApplicationShutdown {
 
 	@bindThis
 	private async pushToTl(note: MiNote, user: { id: MiUser['id']; host: MiUser['host']; }) {
-		// リモートから遅れて届いた(もしくは後から追加された)投稿日時が古い投稿が追加されるとページネーション時に問題を引き起こすため、3分以内に投稿されたもののみを追加する
-		// TODO: https://github.com/misskey-dev/misskey/issues/11404#issuecomment-1752480890 をやる
-		if (note.userHost != null && (Date.now() - note.createdAt.getTime()) > 1000 * 60 * 3) return;
-
 		const meta = await this.metaService.fetch();
 
-		const redisPipeline = this.redisForTimelines.pipeline();
+		const r = this.redisForTimelines.pipeline();
 
 		if (note.channelId) {
-			redisPipeline.xadd(
-				`userTimelineWithChannel:${user.id}`,
-				'MAXLEN', '~', note.userHost == null ? meta.perLocalUserUserTimelineCacheMax.toString() : meta.perRemoteUserUserTimelineCacheMax.toString(),
-				'*',
-				'note', note.id);
+			this.redisTimelineService.push(`channelTimeline:${note.channelId}`, note.id, this.config.perChannelMaxNoteCacheCount, r);
+
+			this.redisTimelineService.push(`userTimelineWithChannel:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
 
 			const channelFollowings = await this.channelFollowingsRepository.find({
 				where: {
@@ -845,18 +833,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 			});
 
 			for (const channelFollowing of channelFollowings) {
-				redisPipeline.xadd(
-					`homeTimeline:${channelFollowing.followerId}`,
-					'MAXLEN', '~', meta.perUserHomeTimelineCacheMax.toString(),
-					'*',
-					'note', note.id);
-
+				this.redisTimelineService.push(`homeTimeline:${channelFollowing.followerId}`, note.id, meta.perUserHomeTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					redisPipeline.xadd(
-						`homeTimelineWithFiles:${channelFollowing.followerId}`,
-						'MAXLEN', '~', (meta.perUserHomeTimelineCacheMax / 2).toString(),
-						'*',
-						'note', note.id);
+					this.redisTimelineService.push(`homeTimelineWithFiles:${channelFollowing.followerId}`, note.id, meta.perUserHomeTimelineCacheMax / 2, r);
 				}
 			}
 		} else {
@@ -894,18 +873,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 					if (!following.withReplies) continue;
 				}
 
-				redisPipeline.xadd(
-					`homeTimeline:${following.followerId}`,
-					'MAXLEN', '~', meta.perUserHomeTimelineCacheMax.toString(),
-					'*',
-					'note', note.id);
-
+				this.redisTimelineService.push(`homeTimeline:${following.followerId}`, note.id, meta.perUserHomeTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					redisPipeline.xadd(
-						`homeTimelineWithFiles:${following.followerId}`,
-						'MAXLEN', '~', (meta.perUserHomeTimelineCacheMax / 2).toString(),
-						'*',
-						'note', note.id);
+					this.redisTimelineService.push(`homeTimelineWithFiles:${following.followerId}`, note.id, meta.perUserHomeTimelineCacheMax / 2, r);
 				}
 			}
 
@@ -921,72 +891,32 @@ export class NoteCreateService implements OnApplicationShutdown {
 					if (!userListMembership.withReplies) continue;
 				}
 
-				redisPipeline.xadd(
-					`userListTimeline:${userListMembership.userListId}`,
-					'MAXLEN', '~', meta.perUserListTimelineCacheMax.toString(),
-					'*',
-					'note', note.id);
-
+				this.redisTimelineService.push(`userListTimeline:${userListMembership.userListId}`, note.id, meta.perUserListTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					redisPipeline.xadd(
-						`userListTimelineWithFiles:${userListMembership.userListId}`,
-						'MAXLEN', '~', (meta.perUserListTimelineCacheMax / 2).toString(),
-						'*',
-						'note', note.id);
+					this.redisTimelineService.push(`userListTimelineWithFiles:${userListMembership.userListId}`, note.id, meta.perUserListTimelineCacheMax / 2, r);
 				}
 			}
 
 			if (note.visibility !== 'specified' || !note.visibleUserIds.some(v => v === user.id)) { // 自分自身のHTL
-				redisPipeline.xadd(
-					`homeTimeline:${user.id}`,
-					'MAXLEN', '~', meta.perUserHomeTimelineCacheMax.toString(),
-					'*',
-					'note', note.id);
-
+				this.redisTimelineService.push(`homeTimeline:${user.id}`, note.id, meta.perUserHomeTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					redisPipeline.xadd(
-						`homeTimelineWithFiles:${user.id}`,
-						'MAXLEN', '~', (meta.perUserHomeTimelineCacheMax / 2).toString(),
-						'*',
-						'note', note.id);
+					this.redisTimelineService.push(`homeTimelineWithFiles:${user.id}`, note.id, meta.perUserHomeTimelineCacheMax / 2, r);
 				}
 			}
 
 			// 自分自身以外への返信
 			if (note.replyId && note.replyUserId !== note.userId) {
-				redisPipeline.xadd(
-					`userTimelineWithReplies:${user.id}`,
-					'MAXLEN', '~', note.userHost == null ? meta.perLocalUserUserTimelineCacheMax.toString() : meta.perRemoteUserUserTimelineCacheMax.toString(),
-					'*',
-					'note', note.id);
+				this.redisTimelineService.push(`userTimelineWithReplies:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
 			} else {
-				redisPipeline.xadd(
-					`userTimeline:${user.id}`,
-					'MAXLEN', '~', note.userHost == null ? meta.perLocalUserUserTimelineCacheMax.toString() : meta.perRemoteUserUserTimelineCacheMax.toString(),
-					'*',
-					'note', note.id);
-
+				this.redisTimelineService.push(`userTimeline:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					redisPipeline.xadd(
-						`userTimelineWithFiles:${user.id}`,
-						'MAXLEN', '~', note.userHost == null ? (meta.perLocalUserUserTimelineCacheMax / 2).toString() : (meta.perRemoteUserUserTimelineCacheMax / 2).toString(),
-						'*',
-						'note', note.id);
+					this.redisTimelineService.push(`userTimelineWithFiles:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax / 2 : meta.perRemoteUserUserTimelineCacheMax / 2, r);
 				}
 
 				if (note.visibility === 'public' && note.userHost == null) {
-					redisPipeline.xadd(
-						'localTimeline',
-						'MAXLEN', '~', '1000',
-						'*',
-						'note', note.id);
-
+					this.redisTimelineService.push('localTimeline', note.id, 1000, r);
 					if (note.fileIds.length > 0) {
-						redisPipeline.xadd(
-							'localTimelineWithFiles',
-							'MAXLEN', '~', '500',
-							'*',
-							'note', note.id);
+						this.redisTimelineService.push('localTimelineWithFiles', note.id, 500, r);
 					}
 				}
 			}
@@ -998,7 +928,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 			}
 		}
 
-		redisPipeline.exec();
+		r.exec();
 	}
 
 	@bindThis

packages/backend/src/core/RedisTimelineService.ts

@@ -0,0 +1,80 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import * as Redis from 'ioredis';
+import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
+
+@Injectable()
+export class RedisTimelineService {
+	constructor(
+		@Inject(DI.redisForTimelines)
+		private redisForTimelines: Redis.Redis,
+
+		private idService: IdService,
+	) {
+	}
+
+	@bindThis
+	public push(tl: string, id: string, maxlen: number, pipeline: Redis.ChainableCommander) {
+		// リモートから遅れて届いた(もしくは後から追加された)投稿日時が古い投稿が追加されるとページネーション時に問題を引き起こすため、
+		// 3分以内に投稿されたものでない場合、Redisにある最古のIDより新しい場合のみ追加する
+		if (this.idService.parse(id).date.getTime() > Date.now() - 1000 * 60 * 3) {
+			pipeline.lpush('list:' + tl, id);
+			if (Math.random() < 0.1) { // 10%の確率でトリム
+				pipeline.ltrim('list:' + tl, 0, maxlen - 1);
+			}
+		} else {
+			// 末尾のIDを取得
+			this.redisForTimelines.lindex('list:' + tl, -1).then(lastId => {
+				if (lastId == null || (this.idService.parse(id).date.getTime() > this.idService.parse(lastId).date.getTime())) {
+					this.redisForTimelines.lpush('list:' + tl, id);
+				} else {
+					Promise.resolve();
+				}
+			});
+		}
+	}
+
+	@bindThis
+	public get(name: string, untilId?: string | null, sinceId?: string | null) {
+		if (untilId && sinceId) {
+			return this.redisForTimelines.lrange('list:' + name, 0, -1)
+				.then(ids => ids.filter(id => id > untilId && id < sinceId).sort((a, b) => a > b ? -1 : 1));
+		} else if (untilId) {
+			return this.redisForTimelines.lrange('list:' + name, 0, -1)
+				.then(ids => ids.filter(id => id > untilId).sort((a, b) => a > b ? -1 : 1));
+		} else if (sinceId) {
+			return this.redisForTimelines.lrange('list:' + name, 0, -1)
+				.then(ids => ids.filter(id => id < sinceId).sort((a, b) => a < b ? -1 : 1));
+		} else {
+			return this.redisForTimelines.lrange('list:' + name, 0, -1)
+				.then(ids => ids.sort((a, b) => a > b ? -1 : 1));
+		}
+	}
+
+	@bindThis
+	public getMulti(name: string[], untilId?: string | null, sinceId?: string | null): Promise<string[][]> {
+		const pipeline = this.redisForTimelines.pipeline();
+		for (const n of name) {
+			pipeline.lrange('list:' + n, 0, -1);
+		}
+		return pipeline.exec().then(res => {
+			if (res == null) return [];
+			const tls = res.map(r => r[1] as string[]);
+			return tls.map(ids =>
+				(untilId && sinceId)
+					? ids.filter(id => id > untilId && id < sinceId).sort((a, b) => a > b ? -1 : 1)
+					: untilId
+						? ids.filter(id => id > untilId).sort((a, b) => a > b ? -1 : 1)
+						: sinceId
+							? ids.filter(id => id < sinceId).sort((a, b) => a < b ? -1 : 1)
+							: ids.sort((a, b) => a > b ? -1 : 1),
+			);
+		});
+	}
+}

packages/backend/src/core/RoleService.ts

@@ -20,6 +20,7 @@ import { IdService } from '@/core/IdService.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { ModerationLogService } from '@/core/ModerationLogService.js';
 import type { Packed } from '@/misc/json-schema.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import type { OnApplicationShutdown } from '@nestjs/common';
 
 export type RolePolicies = {
@@ -102,6 +103,7 @@ export class RoleService implements OnApplicationShutdown {
 		private globalEventService: GlobalEventService,
 		private idService: IdService,
 		private moderationLogService: ModerationLogService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		//this.onMessage = this.onMessage.bind(this);
 
@@ -472,12 +474,7 @@ export class RoleService implements OnApplicationShutdown {
 		const redisPipeline = this.redisClient.pipeline();
 
 		for (const role of roles) {
-			redisPipeline.xadd(
-				`roleTimeline:${role.id}`,
-				'MAXLEN', '~', '1000',
-				'*',
-				'note', note.id);
-
+			this.redisTimelineService.push(`roleTimeline:${role.id}`, note.id, 1000, redisPipeline);
 			this.globalEventService.publishRoleTimelineStream(role.id, 'note', note);
 		}
 

packages/backend/src/server/api/endpoints/antennas/notes.ts

@@ -12,6 +12,7 @@ import { NoteReadService } from '@/core/NoteReadService.js';
 import { DI } from '@/di-symbols.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { IdService } from '@/core/IdService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -69,8 +70,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private noteEntityService: NoteEntityService,
 		private queryService: QueryService,
 		private noteReadService: NoteReadService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+
 			const antenna = await this.antennasRepository.findOneBy({
 				id: ps.antennaId,
 				userId: me.id,
@@ -85,15 +90,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				lastUsedAt: new Date(),
 			});
 
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-
-			const noteIds = await this.redisForTimelines.xrevrange(
-				`antennaTimeline:${antenna.id}`,
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId));
-
+			let noteIds = await this.redisTimelineService.get(`antennaTimeline:${antenna.id}`, untilId, sinceId);
+			noteIds = noteIds.slice(0, ps.limit);
 			if (noteIds.length === 0) {
 				return [];
 			}

packages/backend/src/server/api/endpoints/channels/timeline.ts

@@ -12,6 +12,9 @@ import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
 import { DI } from '@/di-symbols.js';
 import { IdService } from '@/core/IdService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
+import { isUserRelated } from '@/misc/is-user-related.js';
+import { CacheService } from '@/core/CacheService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -66,9 +69,15 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private idService: IdService,
 		private noteEntityService: NoteEntityService,
 		private queryService: QueryService,
+		private redisTimelineService: RedisTimelineService,
+		private cacheService: CacheService,
 		private activeUsersChart: ActiveUsersChart,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+			const isRangeSpecified = untilId != null && sinceId != null;
+
 			const channel = await this.channelsRepository.findOneBy({
 				id: ps.channelId,
 			});
@@ -77,68 +86,66 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchChannel);
 			}
 
-			let timeline: MiNote[] = [];
-
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-			let noteIdsRes: [string, string[]][] = [];
-
-			if (!ps.sinceId && !ps.sinceDate) {
-				noteIdsRes = await this.redisForTimelines.xrevrange(
-					`channelTimeline:${channel.id}`,
-					ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-					ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-					'COUNT', limit);
-			}
-
-			// redis から取得していないとき・取得数が足りないとき
-			if (noteIdsRes.length < limit) {
-				//#region Construct query
-				const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
-					.andWhere('note.channelId = :channelId', { channelId: channel.id })
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser')
-					.leftJoinAndSelect('note.channel', 'channel');
-
-				if (me) {
-					this.queryService.generateMutedUserQuery(query, me);
-					this.queryService.generateBlockedUserQuery(query, me);
-				}
-				//#endregion
-
-				timeline = await query.limit(ps.limit).getMany();
-			} else {
-				const noteIds = noteIdsRes.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId);
-
-				if (noteIds.length === 0) {
-					return [];
-				}
-
-				//#region Construct query
-				const query = this.notesRepository.createQueryBuilder('note')
-					.where('note.id IN (:...noteIds)', { noteIds: noteIds })
-					.innerJoinAndSelect('note.user', 'user')
-					.leftJoinAndSelect('note.reply', 'reply')
-					.leftJoinAndSelect('note.renote', 'renote')
-					.leftJoinAndSelect('reply.user', 'replyUser')
-					.leftJoinAndSelect('renote.user', 'renoteUser')
-					.leftJoinAndSelect('note.channel', 'channel');
-
-				if (me) {
-					this.queryService.generateMutedUserQuery(query, me);
-					this.queryService.generateBlockedUserQuery(query, me);
-				}
-				//#endregion
-
-				timeline = await query.getMany();
-				timeline.sort((a, b) => a.id > b.id ? -1 : 1);
-			}
-
 			if (me) this.activeUsersChart.read(me);
 
+			if (isRangeSpecified || sinceId == null) {
+				const [
+					userIdsWhoMeMuting,
+				] = me ? await Promise.all([
+					this.cacheService.userMutingsCache.fetch(me.id),
+				]) : [new Set<string>()];
+
+				let noteIds = await this.redisTimelineService.get(`channelTimeline:${channel.id}`, untilId, sinceId);
+				noteIds = noteIds.slice(0, ps.limit);
+
+				if (noteIds.length > 0) {
+					const query = this.notesRepository.createQueryBuilder('note')
+						.where('note.id IN (:...noteIds)', { noteIds: noteIds })
+						.innerJoinAndSelect('note.user', 'user')
+						.leftJoinAndSelect('note.reply', 'reply')
+						.leftJoinAndSelect('note.renote', 'renote')
+						.leftJoinAndSelect('reply.user', 'replyUser')
+						.leftJoinAndSelect('renote.user', 'renoteUser')
+						.leftJoinAndSelect('note.channel', 'channel');
+
+					let timeline = await query.getMany();
+
+					timeline = timeline.filter(note => {
+						if (me && isUserRelated(note, userIdsWhoMeMuting, true)) return false;
+
+						return true;
+					});
+
+					// TODO: フィルタで件数が減った場合の埋め合わせ処理
+
+					timeline.sort((a, b) => a.id > b.id ? -1 : 1);
+
+					if (timeline.length > 0) {
+						return await this.noteEntityService.packMany(timeline, me);
+					}
+				}
+			}
+
+			//#region fallback to database
+			const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
+				.andWhere('note.channelId = :channelId', { channelId: channel.id })
+				.innerJoinAndSelect('note.user', 'user')
+				.leftJoinAndSelect('note.reply', 'reply')
+				.leftJoinAndSelect('note.renote', 'renote')
+				.leftJoinAndSelect('reply.user', 'replyUser')
+				.leftJoinAndSelect('renote.user', 'renoteUser')
+				.leftJoinAndSelect('note.channel', 'channel');
+
+			if (me) {
+				this.queryService.generateMutedUserQuery(query, me);
+				this.queryService.generateBlockedUserQuery(query, me);
+			}
+			//#endregion
+
+			const timeline = await query.limit(ps.limit).getMany();
+
 			return await this.noteEntityService.packMany(timeline, me);
+			//#endregion
 		});
 	}
 }

packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts

@@ -15,6 +15,7 @@ import { RoleService } from '@/core/RoleService.js';
 import { IdService } from '@/core/IdService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
 import { CacheService } from '@/core/CacheService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -72,8 +73,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private activeUsersChart: ActiveUsersChart,
 		private idService: IdService,
 		private cacheService: CacheService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+
 			const policies = await this.roleService.getUserPolicies(me.id);
 			if (!policies.ltlAvailable) {
 				throw new ApiError(meta.errors.stlDisabled);
@@ -89,27 +94,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				this.cacheService.userBlockedCache.fetch(me.id),
 			]);
 
-			let timeline: MiNote[] = [];
-
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-
-			const redisPipeline = this.redisForTimelines.pipeline();
-			redisPipeline.xrevrange(
+			const [htlNoteIds, ltlNoteIds] = await this.redisTimelineService.getMulti([
 				ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`,
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			);
-			redisPipeline.xrevrange(
 				ps.withFiles ? 'localTimelineWithFiles' : 'localTimeline',
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			);
-			const [htlNoteIds, ltlNoteIds] = await redisPipeline.exec().then(res => res ? [
-				(res[0][1] as string[][]).map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId),
-				(res[1][1] as string[][]).map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId),
-			] : []);
+			], untilId, sinceId);
 
 			let noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
 			noteIds.sort((a, b) => a > b ? -1 : 1);
@@ -128,7 +116,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser')
 				.leftJoinAndSelect('note.channel', 'channel');
 
-			timeline = await query.getMany();
+			let timeline = await query.getMany();
 
 			timeline = timeline.filter(note => {
 				if (note.userId === me.id) {

packages/backend/src/server/api/endpoints/notes/local-timeline.ts

@@ -15,6 +15,7 @@ import { RoleService } from '@/core/RoleService.js';
 import { IdService } from '@/core/IdService.js';
 import { CacheService } from '@/core/CacheService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -68,8 +69,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private activeUsersChart: ActiveUsersChart,
 		private idService: IdService,
 		private cacheService: CacheService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+
 			const policies = await this.roleService.getUserPolicies(me ? me.id : null);
 			if (!policies.ltlAvailable) {
 				throw new ApiError(meta.errors.ltlDisabled);
@@ -85,16 +90,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				this.cacheService.userBlockedCache.fetch(me.id),
 			]) : [new Set<string>(), new Set<string>(), new Set<string>()];
 
-			let timeline: MiNote[] = [];
-
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-
-			const noteIds = await this.redisForTimelines.xrevrange(
-				ps.withFiles ? 'localTimelineWithFiles' : 'localTimeline',
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId));
+			let noteIds = await this.redisTimelineService.get(ps.withFiles ? 'localTimelineWithFiles' : 'localTimeline', untilId, sinceId);
+			noteIds = noteIds.slice(0, ps.limit);
 
 			if (noteIds.length === 0) {
 				return [];
@@ -109,7 +106,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser')
 				.leftJoinAndSelect('note.channel', 'channel');
 
-			timeline = await query.getMany();
+			let timeline = await query.getMany();
 
 			timeline = timeline.filter(note => {
 				if (me && (note.userId === me.id)) {
@@ -127,6 +124,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				return true;
 			});
 
+			// TODO: フィルタした結果件数が足りなかった場合の対応
+
 			timeline.sort((a, b) => a.id > b.id ? -1 : 1);
 
 			process.nextTick(() => {

packages/backend/src/server/api/endpoints/notes/timeline.ts

@@ -15,6 +15,7 @@ import { DI } from '@/di-symbols.js';
 import { IdService } from '@/core/IdService.js';
 import { CacheService } from '@/core/CacheService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -62,8 +63,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private activeUsersChart: ActiveUsersChart,
 		private idService: IdService,
 		private cacheService: CacheService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+
 			const [
 				followings,
 				userIdsWhoMeMuting,
@@ -76,16 +81,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				this.cacheService.userBlockedCache.fetch(me.id),
 			]);
 
-			let timeline: MiNote[] = [];
-
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-
-			const noteIds = await this.redisForTimelines.xrevrange(
-				ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`,
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId));
+			let noteIds = await this.redisTimelineService.get(ps.withFiles ? `homeTimelineWithFiles:${me.id}` : `homeTimeline:${me.id}`, untilId, sinceId);
+			noteIds = noteIds.slice(0, ps.limit);
 
 			if (noteIds.length === 0) {
 				return [];
@@ -100,7 +97,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser')
 				.leftJoinAndSelect('note.channel', 'channel');
 
-			timeline = await query.getMany();
+			let timeline = await query.getMany();
 
 			timeline = timeline.filter(note => {
 				if (note.userId === me.id) {

packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts

@@ -15,6 +15,7 @@ import { DI } from '@/di-symbols.js';
 import { CacheService } from '@/core/CacheService.js';
 import { IdService } from '@/core/IdService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -79,8 +80,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private activeUsersChart: ActiveUsersChart,
 		private cacheService: CacheService,
 		private idService: IdService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+
 			const list = await this.userListsRepository.findOneBy({
 				id: ps.listId,
 				userId: me.id,
@@ -100,16 +105,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				this.cacheService.userBlockedCache.fetch(me.id),
 			]);
 
-			let timeline: MiNote[] = [];
-
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-
-			const noteIds = await this.redisForTimelines.xrevrange(
-				ps.withFiles ? `userListTimelineWithFiles:${list.id}` : `userListTimeline:${list.id}`,
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId));
+			let noteIds = await this.redisTimelineService.get(ps.withFiles ? `userListTimelineWithFiles:${list.id}` : `userListTimeline:${list.id}`, untilId, sinceId);
+			noteIds = noteIds.slice(0, ps.limit);
 
 			if (noteIds.length === 0) {
 				return [];
@@ -124,7 +121,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser')
 				.leftJoinAndSelect('note.channel', 'channel');
 
-			timeline = await query.getMany();
+			let timeline = await query.getMany();
 
 			timeline = timeline.filter(note => {
 				if (note.userId === me.id) {

packages/backend/src/server/api/endpoints/roles/notes.ts

@@ -11,6 +11,7 @@ import { QueryService } from '@/core/QueryService.js';
 import { DI } from '@/di-symbols.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { IdService } from '@/core/IdService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -65,8 +66,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private idService: IdService,
 		private noteEntityService: NoteEntityService,
 		private queryService: QueryService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+
 			const role = await this.rolesRepository.findOneBy({
 				id: ps.roleId,
 				isPublic: true,
@@ -78,14 +83,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (!role.isExplorable) {
 				return [];
 			}
-			const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
 
-			const noteIds = await this.redisForTimelines.xrevrange(
-				`roleTimeline:${role.id}`,
-				ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-				ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-				'COUNT', limit,
-			).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId));
+			let noteIds = await this.redisTimelineService.get(`roleTimeline:${role.id}`, untilId, sinceId);
+			noteIds = noteIds.slice(0, ps.limit);
 
 			if (noteIds.length === 0) {
 				return [];

packages/backend/src/server/api/endpoints/users/notes.ts

@@ -14,6 +14,7 @@ import { CacheService } from '@/core/CacheService.js';
 import { IdService } from '@/core/IdService.js';
 import { isUserRelated } from '@/misc/is-user-related.js';
 import { QueryService } from '@/core/QueryService.js';
+import { RedisTimelineService } from '@/core/RedisTimelineService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -70,42 +71,24 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private queryService: QueryService,
 		private cacheService: CacheService,
 		private idService: IdService,
+		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const isRangeSpecified = (ps.sinceId != null || ps.sinceDate != null) && (ps.untilId != null || ps.untilDate != null);
+			const untilId = ps.untilId ?? ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null;
+			const sinceId = ps.sinceId ?? ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null;
+			const isRangeSpecified = untilId != null && sinceId != null;
 
-			if (isRangeSpecified || !(ps.sinceId != null || ps.sinceDate != null)) {
+			if (isRangeSpecified || sinceId == null) {
 				const [
 					userIdsWhoMeMuting,
 				] = me ? await Promise.all([
 					this.cacheService.userMutingsCache.fetch(me.id),
 				]) : [new Set<string>()];
 
-				const limit = ps.limit + (ps.untilId ? 1 : 0) + (ps.sinceId ? 1 : 0); // untilIdに指定したものも含まれるため+1
-
 				const [noteIdsRes, repliesNoteIdsRes, channelNoteIdsRes] = await Promise.all([
-					this.redisForTimelines.xrevrange(
-						ps.withFiles ? `userTimelineWithFiles:${ps.userId}` : `userTimeline:${ps.userId}`,
-						ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-						ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-						'COUNT', limit,
-					).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId)),
-					ps.withReplies
-						? this.redisForTimelines.xrevrange(
-							`userTimelineWithReplies:${ps.userId}`,
-							ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-							ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-							'COUNT', limit,
-						).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId))
-						: Promise.resolve([]),
-					ps.withChannelNotes
-						? this.redisForTimelines.xrevrange(
-							`userTimelineWithChannel:${ps.userId}`,
-							ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
-							ps.sinceId ? this.idService.parse(ps.sinceId).date.getTime() : ps.sinceDate ?? '-',
-							'COUNT', limit,
-						).then(res => res.map(x => x[1][1]).filter(x => x !== ps.untilId && x !== ps.sinceId))
-						: Promise.resolve([]),
+					this.redisTimelineService.get(ps.withFiles ? `userTimelineWithFiles:${ps.userId}` : `userTimeline:${ps.userId}`, untilId, sinceId),
+					ps.withReplies ? this.redisTimelineService.get(`userTimelineWithReplies:${ps.userId}`, untilId, sinceId) : Promise.resolve([]),
+					ps.withChannelNotes ? this.redisTimelineService.get(`userTimelineWithChannel:${ps.userId}`, untilId, sinceId) : Promise.resolve([]),
 				]);
 
 				let noteIds = Array.from(new Set([
@@ -145,6 +128,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 						return true;
 					});
 
+					// TODO: フィルタで件数が減った場合の埋め合わせ処理
+
 					timeline.sort((a, b) => a.id > b.id ? -1 : 1);
 
 					if (timeline.length > 0) {
@@ -153,9 +138,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				}
 			}
 
-			// fallback to database
-
-			//#region Construct query
+			//#region fallback to database
 			const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
 				.andWhere('note.userId = :userId', { userId: ps.userId })
 				.innerJoinAndSelect('note.user', 'user')
@@ -188,11 +171,11 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
 				}));
 			}
-			//#endregion
 
 			const timeline = await query.limit(ps.limit).getMany();
 
 			return await this.noteEntityService.packMany(timeline, me);
+			//#endregion
 		});
 	}
 }