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normalize userFollowingsCache / userFollowersCache and add hibernatedUserCache to reduce the number of cache-clears and allow use of caching in many more places

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Hazelnoot 2025-06-08 19:52:59 -04:00
parent 372714c9b6
commit fa68751a19
28 changed files with 816 additions and 581 deletions
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18
packages/backend/src/misc/cache.ts
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@ -5,8 +5,6 @@
import * as Redis from 'ioredis';
import { bindThis } from '@/decorators.js';
import { InternalEventService } from '@/core/InternalEventService.js';
import { InternalEventTypes } from '@/core/GlobalEventService.js';
export class RedisKVCache<T> {
private readonly lifetime: number;
@ -120,9 +118,9 @@ export class RedisKVCache<T> {
export class RedisSingleCache<T> {
private readonly lifetime: number;
private readonly memoryCache: MemorySingleCache<T>;
private readonly fetcher: () => Promise<T>;
private readonly toRedisConverter: (value: T) => string;
private readonly fromRedisConverter: (value: string) => T | undefined;
public readonly fetcher: () => Promise<T>;
public readonly toRedisConverter: (value: T) => string;
public readonly fromRedisConverter: (value: string) => T | undefined;
constructor(
private redisClient: Redis.Redis,
@ -245,6 +243,16 @@ export class MemoryKVCache<T> {
return cached.value;
}
public has(key: string): boolean {
const cached = this.cache.get(key);
if (cached == null) return false;
if ((Date.now() - cached.date) > this.lifetime) {
this.cache.delete(key);
return false;
}
return true;
}
@bindThis
public delete(key: string): void {
this.cache.delete(key);