Full overhaul of the repo please see changelog

utils/tmdb.js

@@ -0,0 +1,38 @@
+const fetch = (...args) => import('node-fetch').then(m => m.default(...args));
+const { config } = require('./config');
+
+const cache = {
+  imdbByTmdb: new Map(),
+  details: new Map(),
+};
+const TTL_MS = 6 * 60 * 60 * 1000;
+function isFresh(entry) { return entry && (Date.now() - entry.ts) < TTL_MS; }
+
+async function tmdbFetchJson(url) {
+  if (!config.tmdbApiKey) throw new Error('TMDB_API_KEY missing');
+  const sep = url.includes('?') ? '&' : '?';
+  const full = `${url}${sep}api_key=${config.tmdbApiKey}`;
+  const res = await fetch(full, { timeout: 15000 });
+  if (!res.ok) throw new Error(`TMDB request failed ${res.status}`);
+  return res.json();
+}
+async function getExternalIds(type, tmdbId) {
+  const key = `${type}:${tmdbId}`;
+  const cached = cache.imdbByTmdb.get(key);
+  if (isFresh(cached)) return cached.data;
+  const json = await tmdbFetchJson(`https://api.themoviedb.org/3/${type}/${tmdbId}/external_ids`);
+  cache.imdbByTmdb.set(key, { data: json, ts: Date.now() });
+  return json;
+}
+async function getDetails(type, tmdbId) {
+  const key = `${type}:${tmdbId}:details`;
+  const cached = cache.details.get(key);
+  if (isFresh(cached)) return cached.data;
+  const json = await tmdbFetchJson(`https://api.themoviedb.org/3/${type}/${tmdbId}`);
+  cache.details.set(key, { data: json, ts: Date.now() });
+  return json;
+}
+async function resolveImdbId(type, tmdbId) {
+  try { const ext = await getExternalIds(type, tmdbId); return ext.imdb_id || null; } catch { return null; }
+}
+module.exports = { getExternalIds, getDetails, resolveImdbId };