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re-type userFollowingsCache to match the others

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Hazelnoot
2025-06-07 21:27:25 -04:00
parent 0c84d73294
commit 853b548a43
17 changed files with 47 additions and 56 deletions
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38
packages/backend/src/core/CacheService.ts
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@@ -6,14 +6,14 @@
import { Inject, Injectable } from '@nestjs/common';
import * as Redis from 'ioredis';
import { In, IsNull } from 'typeorm';
import type { BlockingsRepository, FollowingsRepository, MutingsRepository, RenoteMutingsRepository, MiUserProfile, UserProfilesRepository, UsersRepository, MiFollowing, MiNote } from '@/models/_.js';
import type { BlockingsRepository, FollowingsRepository, MutingsRepository, RenoteMutingsRepository, MiUserProfile, UserProfilesRepository, UsersRepository, MiNote } from '@/models/_.js';
import { MemoryKVCache, RedisKVCache } from '@/misc/cache.js';
import { QuantumKVCache } from '@/misc/QuantumKVCache.js';
import type { MiLocalUser, MiUser } from '@/models/User.js';
import { DI } from '@/di-symbols.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { bindThis } from '@/decorators.js';
import type { GlobalEvents, InternalEventTypes } from '@/core/GlobalEventService.js';
import type { InternalEventTypes } from '@/core/GlobalEventService.js';
import { InternalEventService } from '@/core/InternalEventService.js';
import type { OnApplicationShutdown } from '@nestjs/common';
@@ -46,7 +46,7 @@ export class CacheService implements OnApplicationShutdown {
public userBlockingCache: QuantumKVCache<Set<string>>;
public userBlockedCache: QuantumKVCache<Set<string>>; // NOTE: 「被」Blockキャッシュ
public renoteMutingsCache: QuantumKVCache<Set<string>>;
public userFollowingsCache: QuantumKVCache<Record<string, Pick<MiFollowing, 'withReplies'> | undefined>>;
public userFollowingsCache: QuantumKVCache<Map<string, { withReplies: boolean }>>;
protected userFollowStatsCache = new MemoryKVCache<FollowStats>(1000 * 60 * 10); // 10 minutes
protected translationsCache: RedisKVCache<CachedTranslationEntity>;
@@ -110,15 +110,9 @@ export class CacheService implements OnApplicationShutdown {
fetcher: (key) => this.renoteMutingsRepository.find({ where: { muterId: key }, select: ['muteeId'] }).then(xs => new Set(xs.map(x => x.muteeId))),
});
this.userFollowingsCache = new QuantumKVCache<Record<string, Pick<MiFollowing, 'withReplies'> | undefined>>(this.internalEventService, 'userFollowings', {
this.userFollowingsCache = new QuantumKVCache<Map<string, { withReplies: boolean }>>(this.internalEventService, 'userFollowings', {
lifetime: 1000 * 60 * 30, // 30m
fetcher: (key) => this.followingsRepository.find({ where: { followerId: key }, select: ['followeeId', 'withReplies'] }).then(xs => {
const obj: Record<string, Pick<MiFollowing, 'withReplies'> | undefined> = {};
for (const x of xs) {
obj[x.followeeId] = { withReplies: x.withReplies };
}
return obj;
}),
fetcher: (key) => this.followingsRepository.find({ where: { followerId: key }, select: ['followeeId', 'withReplies'] }).then(xs => new Map(xs.map(f => [f.followeeId, { withReplies: f.withReplies }]))),
});
this.translationsCache = new RedisKVCache<CachedTranslationEntity>(this.redisClient, 'translations', {
@@ -305,14 +299,14 @@ export class CacheService implements OnApplicationShutdown {
}
@bindThis
public async getUserFollowings(userIds: Iterable<string>): Promise<Map<string, Set<string>>> {
const followings = new Map<string, Set<string>>();
public async getUserFollowings(userIds: Iterable<string>): Promise<Map<string, Map<string, { withReplies: boolean }>>> {
const followings = new Map<string, Map<string, { withReplies: boolean }>>();
const toFetch: string[] = [];
for (const userId of userIds) {
const fromCache = this.userFollowingsCache.get(userId);
if (fromCache) {
followings.set(userId, new Set(Object.keys(fromCache)));
followings.set(userId, fromCache);
} else {
toFetch.push(userId);
}
@@ -331,25 +325,25 @@ export class CacheService implements OnApplicationShutdown {
})
.getMany();
const toCache = new Map<string, Record<string, Pick<MiFollowing, 'withReplies'> | undefined>>();
const toCache = new Map<string, Map<string, { withReplies: boolean }>>();
// Pivot to a map
for (const { followerId, followeeId, withReplies } of fetchedFollowings) {
// Queue for cache
let cacheSet = toCache.get(followerId);
if (!cacheSet) {
cacheSet = {};
toCache.set(followerId, cacheSet);
let cacheMap = toCache.get(followerId);
if (!cacheMap) {
cacheMap = new Map();
toCache.set(followerId, cacheMap);
}
cacheSet[followeeId] = { withReplies };
cacheMap.set(followeeId, { withReplies });
// Queue for return
let returnSet = followings.get(followerId);
if (!returnSet) {
returnSet = new Set();
returnSet = new Map();
followings.set(followerId, returnSet);
}
returnSet.add(followeeId);
returnSet.set(followeeId, { withReplies });
}
// Update cache to speed up future calls