Merge branch 'cache2'
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@@ -98,8 +98,11 @@ export interface TmdbConfig {
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maxRetryAfterMs?: number;
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maxConcurrent?: number;
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minIntervalMs?: number;
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/** 默认 max 1024、ttl 24h;空结果(搜索 0 条)用 emptyTtlMs,默认 30min(对照 MP EMPTY_RESULT_CACHE_TTL) */
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cache?: { max?: number; ttlMs?: number; emptyTtlMs?: number };
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/**
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* 默认 max 1024、ttl 24h;空结果(搜索 0 条)用 emptyTtlMs,默认 30min(对照 MP EMPTY_RESULT_CACHE_TTL);
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* searchTtlMs:/search/、/find/ 请求的 TTL(缺省同 ttlMs),其余(详情 / 季)用 ttlMs。
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*/
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cache?: { max?: number; ttlMs?: number; searchTtlMs?: number; emptyTtlMs?: number };
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/**
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* 跨进程共享的请求缓存(服务端传 PG 缓存);给了就不再用进程内 LRU。
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* 语义对照 MP @cached(skip_none、业务失败不缓存、results 为空按 emptyTtlMs)。
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@@ -164,6 +167,8 @@ export class TmdbClient {
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for (const k of Object.keys(params).sort()) if (params[k] !== undefined) qs.set(k, params[k]!);
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const key = `${path}?${qs}`;
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const emptyTtl = this.cfg.cache?.emptyTtlMs ?? 30 * 60_000;
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const baseTtl = this.cfg.cache?.ttlMs ?? 24 * 3600_000;
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const ttl = /^\/(search|find)\//.test(path) ? (this.cfg.cache?.searchTtlMs ?? baseTtl) : baseTtl;
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if (this.cfg.sharedCache) {
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const shared = this.cfg.sharedCache;
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const hit = await shared.get(key);
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@@ -171,14 +176,14 @@ export class TmdbClient {
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// 网络错误 / 业务失败在 fetchWithRetry 抛出,不会走到写缓存(MP skip_none / skip_if)
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const v = await this.limiter.run(() => this.fetchWithRetry(path, qs));
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if (v !== null && v !== undefined) {
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await shared.set(key, v, isEmptyResult(v) ? emptyTtl : (this.cfg.cache?.ttlMs ?? 24 * 3600_000));
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await shared.set(key, v, isEmptyResult(v) ? emptyTtl : ttl);
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}
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return v as T;
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}
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return this.cache.getOrLoad(
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key,
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() => this.limiter.run(() => this.fetchWithRetry(path, qs)),
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(v) => (isEmptyResult(v) ? emptyTtl : undefined),
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(v) => (isEmptyResult(v) ? emptyTtl : ttl === baseTtl ? undefined : ttl),
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) as Promise<T>;
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}
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