Corrige subscribe 500 et trending 500

- subscribe: passe undefined à createPodcastFromRss pour qu'il parse vraiment le flux RSS (bug: on passait feedData avec episodes:[] vide)
- trending/discover: retournent [] au lieu de 500 si l'API iTunes échoue
- trending: utilise l'iTunes RSS officiel (itunes.apple.com/fr/rss/toppodcasts) au lieu de l'API Marketing Tools instable

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/controllers/podcastController.ts

@@ -50,14 +50,8 @@ export const subscribe = async (req: Request, res: Response) => {
 
     if (!podcast) {
       try {
-        const result = await rssParserService.createPodcastFromRss(rssUrl, {
-          title: 'Unknown Podcast',
-          description: '',
-          author: '',
-          imageUrl: undefined,
-          episodes: [],
-        });
-        podcast = result.podcast;
+        const result = await rssParserService.createPodcastFromRss(rssUrl);
+        podcast = await Podcast.findById(result.podcast._id);
       } catch (error: any) {
         if (error.message.includes('already in database')) {
           podcast = await Podcast.findOne({ rssUrl });
@@ -70,7 +64,7 @@ export const subscribe = async (req: Request, res: Response) => {
     }
 
     if (!podcast) {
-      return res.status(400).json({ message: 'Impossible d\'ajouter le podcast' });
+      return res.status(400).json({ message: "Impossible d'ajouter le podcast" });
     }
 
     // Check if already subscribed
@@ -184,9 +178,7 @@ export const discoverPodcasts = async (req: Request, res: Response) => {
     });
   } catch (error: any) {
     console.error('Discover podcasts error:', error.message);
-    res.status(error.status || 500).json({
-      message: error.message || 'Recherche échouée',
-    });
+    res.json({ source: 'itunes', podcasts: [], count: 0 });
   }
 };
 
@@ -263,16 +255,11 @@ export const subscribeFromDiscovery = async (req: Request, res: Response) => {
 export const getTrendingPodcasts = async (req: Request, res: Response) => {
   try {
     const limit = Number(req.query.limit) || 20;
-
     const trending = await podcastIndexService.getTrendingPodcasts(limit);
-
-    res.json({
-      source: 'itunes',
-      podcasts: trending,
-      count: trending.length,
-    });
+    res.json({ source: 'itunes', podcasts: trending, count: trending.length });
   } catch (error: any) {
     console.error('Trending podcasts error:', error.message);
-    res.status(500).json({ message: 'Impossible de récupérer les tendances' });
+    // Return empty rather than crashing the page
+    res.json({ source: 'itunes', podcasts: [], count: 0 });
   }
 };

backend/src/services/podcastIndexService.ts

@@ -78,23 +78,29 @@ export const podcastIndexService = {
   },
 
   getTrendingPodcasts: async (limit: number = 20): Promise<SearchResult[]> => {
-    // Get Apple's top podcasts list
-    const topResponse = await axios.get<{ feed: { results: ItunesTopResult[] } }>(
-      `https://rss.applemarketingtools.com/api/v2/fr/podcasts/top-podcasts/${Math.min(limit, 50)}/podcasts.json`,
-      { timeout: 10000 }
-    );
+    // iTunes official top podcasts RSS (France)
+    const cap = Math.min(limit, 50);
+    const rssResponse = await axios.get<{
+      feed: {
+        entry: Array<{
+          id: { label: string; attributes: { 'im:id': string } };
+          'im:name': { label: string };
+          'im:artist': { label: string };
+          'im:image': Array<{ label: string; attributes: { height: string } }>;
+        }>;
+      };
+    }>(`https://itunes.apple.com/fr/rss/toppodcasts/limit=${cap}/json`, {
+      timeout: 10000,
+    });
 
-    const topItems = topResponse.data.feed.results;
-    if (!topItems || topItems.length === 0) return [];
+    const entries = rssResponse.data.feed.entry;
+    if (!entries || entries.length === 0) return [];
 
-    // Batch lookup to get RSS URLs
-    const ids = topItems.map((item) => item.id).join(',');
+    // Batch lookup to get feedUrls
+    const ids = entries.map((e) => e.id.attributes['im:id']).join(',');
     const lookupResponse = await axios.get<ItunesSearchResponse>(
       'https://itunes.apple.com/lookup',
-      {
-        params: { id: ids, entity: 'podcast' },
-        timeout: 10000,
-      }
+      { params: { id: ids, entity: 'podcast' }, timeout: 10000 }
     );
 
     return lookupResponse.data.results