新增私人影视库功能

src/lib/openlist-cache.ts

@@ -0,0 +1,96 @@
+// metainfo.json 缓存 (7天)
+interface MetaInfoCacheEntry {
+  expiresAt: number;
+  data: MetaInfo;
+}
+
+// videoinfo.json 缓存 (1天)
+interface VideoInfoCacheEntry {
+  expiresAt: number;
+  data: VideoInfo;
+}
+
+const METAINFO_CACHE_TTL_MS = 7 * 24 * 60 * 60 * 1000; // 7天
+const VIDEOINFO_CACHE_TTL_MS = 24 * 60 * 60 * 1000; // 1天
+
+const METAINFO_CACHE: Map<string, MetaInfoCacheEntry> = new Map();
+const VIDEOINFO_CACHE: Map<string, VideoInfoCacheEntry> = new Map();
+
+export interface MetaInfo {
+  folders: {
+    [folderName: string]: {
+      tmdb_id: number;
+      title: string;
+      poster_path: string | null;
+      release_date: string;
+      overview: string;
+      vote_average: number;
+      media_type: 'movie' | 'tv';
+      last_updated: number;
+    };
+  };
+  last_refresh: number;
+}
+
+export interface VideoInfo {
+  episodes: {
+    [fileName: string]: {
+      episode: number;
+      season?: number;
+      title?: string;
+      parsed_from: 'videoinfo' | 'filename';
+    };
+  };
+  last_updated: number;
+}
+
+// MetaInfo 缓存操作
+export function getCachedMetaInfo(rootPath: string): MetaInfo | null {
+  const entry = METAINFO_CACHE.get(rootPath);
+  if (!entry) return null;
+
+  if (entry.expiresAt <= Date.now()) {
+    METAINFO_CACHE.delete(rootPath);
+    return null;
+  }
+
+  return entry.data;
+}
+
+export function setCachedMetaInfo(rootPath: string, data: MetaInfo): void {
+  METAINFO_CACHE.set(rootPath, {
+    expiresAt: Date.now() + METAINFO_CACHE_TTL_MS,
+    data,
+  });
+}
+
+export function invalidateMetaInfoCache(rootPath: string): void {
+  METAINFO_CACHE.delete(rootPath);
+}
+
+// VideoInfo 缓存操作
+export function getCachedVideoInfo(folderPath: string): VideoInfo | null {
+  const entry = VIDEOINFO_CACHE.get(folderPath);
+  if (!entry) return null;
+
+  if (entry.expiresAt <= Date.now()) {
+    VIDEOINFO_CACHE.delete(folderPath);
+    return null;
+  }
+
+  return entry.data;
+}
+
+export function setCachedVideoInfo(
+  folderPath: string,
+  data: VideoInfo
+): void {
+  VIDEOINFO_CACHE.set(folderPath, {
+    expiresAt: Date.now() + VIDEOINFO_CACHE_TTL_MS,
+    data,
+  });
+}
+
+export function invalidateVideoInfoCache(folderPath: string): void {
+  VIDEOINFO_CACHE.delete(folderPath);
+}