202 lines
7.9 KiB
TypeScript
202 lines
7.9 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { Inject, Injectable } from '@nestjs/common';
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import * as Redis from 'ioredis';
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import type { BlockingsRepository, FollowingsRepository, MutingsRepository, RenoteMutingsRepository, MiUserProfile, UserProfilesRepository, UsersRepository, MiFollowing } from '@/models/_.js';
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import { MemoryKVCache, RedisKVCache } from '@/misc/cache.js';
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import type { MiLocalUser, MiUser } from '@/models/User.js';
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import { DI } from '@/di-symbols.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { bindThis } from '@/decorators.js';
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import type { GlobalEvents } from '@/core/GlobalEventService.js';
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import type { OnApplicationShutdown } from '@nestjs/common';
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@Injectable()
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export class CacheService implements OnApplicationShutdown {
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public userByIdCache: MemoryKVCache<MiUser>;
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public localUserByNativeTokenCache: MemoryKVCache<MiLocalUser | null>;
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public localUserByIdCache: MemoryKVCache<MiLocalUser>;
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public uriPersonCache: MemoryKVCache<MiUser | null>;
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public userProfileCache: RedisKVCache<MiUserProfile>;
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public userMutingsCache: RedisKVCache<Set<string>>;
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public userBlockingCache: RedisKVCache<Set<string>>;
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public userBlockedCache: RedisKVCache<Set<string>>; // NOTE: 「被」Blockキャッシュ
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public renoteMutingsCache: RedisKVCache<Set<string>>;
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public userFollowingsCache: RedisKVCache<Record<string, Pick<MiFollowing, 'withReplies'> | undefined>>;
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constructor(
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@Inject(DI.redis)
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private redisClient: Redis.Redis,
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@Inject(DI.redisForSub)
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private redisForSub: Redis.Redis,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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@Inject(DI.mutingsRepository)
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private mutingsRepository: MutingsRepository,
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@Inject(DI.blockingsRepository)
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private blockingsRepository: BlockingsRepository,
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@Inject(DI.renoteMutingsRepository)
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private renoteMutingsRepository: RenoteMutingsRepository,
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@Inject(DI.followingsRepository)
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private followingsRepository: FollowingsRepository,
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private userEntityService: UserEntityService,
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) {
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//this.onMessage = this.onMessage.bind(this);
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this.userByIdCache = new MemoryKVCache<MiUser>(Infinity);
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this.localUserByNativeTokenCache = new MemoryKVCache<MiLocalUser | null>(Infinity);
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this.localUserByIdCache = new MemoryKVCache<MiLocalUser>(Infinity);
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this.uriPersonCache = new MemoryKVCache<MiUser | null>(Infinity);
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this.userProfileCache = new RedisKVCache<MiUserProfile>(this.redisClient, 'userProfile', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60, // 1m
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fetcher: (key) => this.userProfilesRepository.findOneByOrFail({ userId: key }),
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toRedisConverter: (value) => JSON.stringify(value),
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fromRedisConverter: (value) => JSON.parse(value), // TODO: date型の考慮
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});
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this.userMutingsCache = new RedisKVCache<Set<string>>(this.redisClient, 'userMutings', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60, // 1m
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fetcher: (key) => this.mutingsRepository.find({ where: { muterId: key }, select: ['muteeId'] }).then(xs => new Set(xs.map(x => x.muteeId))),
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toRedisConverter: (value) => JSON.stringify(Array.from(value)),
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fromRedisConverter: (value) => new Set(JSON.parse(value)),
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});
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this.userBlockingCache = new RedisKVCache<Set<string>>(this.redisClient, 'userBlocking', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60, // 1m
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fetcher: (key) => this.blockingsRepository.find({ where: { blockerId: key }, select: ['blockeeId'] }).then(xs => new Set(xs.map(x => x.blockeeId))),
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toRedisConverter: (value) => JSON.stringify(Array.from(value)),
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fromRedisConverter: (value) => new Set(JSON.parse(value)),
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});
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this.userBlockedCache = new RedisKVCache<Set<string>>(this.redisClient, 'userBlocked', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60, // 1m
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fetcher: (key) => this.blockingsRepository.find({ where: { blockeeId: key }, select: ['blockerId'] }).then(xs => new Set(xs.map(x => x.blockerId))),
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toRedisConverter: (value) => JSON.stringify(Array.from(value)),
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fromRedisConverter: (value) => new Set(JSON.parse(value)),
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});
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this.renoteMutingsCache = new RedisKVCache<Set<string>>(this.redisClient, 'renoteMutings', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60, // 1m
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fetcher: (key) => this.renoteMutingsRepository.find({ where: { muterId: key }, select: ['muteeId'] }).then(xs => new Set(xs.map(x => x.muteeId))),
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toRedisConverter: (value) => JSON.stringify(Array.from(value)),
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fromRedisConverter: (value) => new Set(JSON.parse(value)),
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});
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this.userFollowingsCache = new RedisKVCache<Record<string, Pick<MiFollowing, 'withReplies'> | undefined>>(this.redisClient, 'userFollowings', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60, // 1m
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fetcher: (key) => this.followingsRepository.find({ where: { followerId: key }, select: ['followeeId', 'withReplies'] }).then(xs => {
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const obj: Record<string, Pick<MiFollowing, 'withReplies'> | undefined> = {};
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for (const x of xs) {
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obj[x.followeeId] = { withReplies: x.withReplies };
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}
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return obj;
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}),
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toRedisConverter: (value) => JSON.stringify(value),
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fromRedisConverter: (value) => JSON.parse(value),
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});
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// NOTE: チャンネルのフォロー状況キャッシュはChannelFollowingServiceで行っている
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this.redisForSub.on('message', this.onMessage);
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}
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@bindThis
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private async onMessage(_: string, data: string): Promise<void> {
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const obj = JSON.parse(data);
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if (obj.channel === 'internal') {
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const { type, body } = obj.message as GlobalEvents['internal']['payload'];
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switch (type) {
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case 'userChangeSuspendedState':
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case 'userChangeDeletedState':
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case 'remoteUserUpdated':
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case 'localUserUpdated': {
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const user = await this.usersRepository.findOneBy({ id: body.id });
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if (user == null) {
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this.userByIdCache.delete(body.id);
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this.localUserByIdCache.delete(body.id);
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for (const [k, v] of this.uriPersonCache.cache.entries()) {
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if (v.value?.id === body.id) {
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this.uriPersonCache.delete(k);
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}
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}
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} else {
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this.userByIdCache.set(user.id, user);
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for (const [k, v] of this.uriPersonCache.cache.entries()) {
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if (v.value?.id === user.id) {
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this.uriPersonCache.set(k, user);
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}
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}
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if (this.userEntityService.isLocalUser(user)) {
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this.localUserByNativeTokenCache.set(user.token!, user);
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this.localUserByIdCache.set(user.id, user);
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}
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}
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break;
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}
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case 'userTokenRegenerated': {
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const user = await this.usersRepository.findOneByOrFail({ id: body.id }) as MiLocalUser;
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this.localUserByNativeTokenCache.delete(body.oldToken);
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this.localUserByNativeTokenCache.set(body.newToken, user);
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break;
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}
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case 'follow': {
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const follower = this.userByIdCache.get(body.followerId);
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if (follower) follower.followingCount++;
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const followee = this.userByIdCache.get(body.followeeId);
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if (followee) followee.followersCount++;
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this.userFollowingsCache.delete(body.followerId);
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break;
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}
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default:
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break;
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}
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}
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}
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@bindThis
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public findUserById(userId: MiUser['id']) {
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return this.userByIdCache.fetch(userId, () => this.usersRepository.findOneByOrFail({ id: userId }));
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}
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@bindThis
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public dispose(): void {
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this.redisForSub.off('message', this.onMessage);
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this.userByIdCache.dispose();
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this.localUserByNativeTokenCache.dispose();
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this.localUserByIdCache.dispose();
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this.uriPersonCache.dispose();
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this.userProfileCache.dispose();
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this.userMutingsCache.dispose();
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this.userBlockingCache.dispose();
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this.userBlockedCache.dispose();
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this.renoteMutingsCache.dispose();
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this.userFollowingsCache.dispose();
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined): void {
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this.dispose();
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}
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}
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