fix Analyse

backend/services/instagram.js

@@ -0,0 +1,41 @@
+import fetch from 'node-fetch';
+
+const INSTAGRAM_TOKEN = process.env.INSTAGRAM_TOKEN;
+
+export async function getInstagramData(url) {
+  const reelMatch = url.match(/instagram\.com\/(?:p|reel)\/([A-Za-z0-9_-]+)/);
+  const usernameMatch = url.match(/instagram\.com\/([^/]+)\//);
+
+  if (INSTAGRAM_TOKEN) {
+    try {
+      const oembedUrl = `https://graph.facebook.com/v18.0/instagram_oembed?url=${encodeURIComponent(url)}&fields=author_name,thumbnail_url,title,html&access_token=${INSTAGRAM_TOKEN}`;
+      const response = await fetch(oembedUrl);
+      if (response.ok) {
+        const data = await response.json();
+        return {
+          title: data.title || '',
+          author: data.author_name || '',
+          authorUrl: `https://www.instagram.com/${data.author_name || ''}`,
+          thumbnail: data.thumbnail_url || '',
+          embedHtml: data.html || '',
+          reelId: reelMatch ? reelMatch[1] : null,
+        };
+      }
+    } catch (e) {
+      console.error('Instagram oEmbed Fehler:', e.message);
+    }
+  }
+
+  return {
+    title: '',
+    author: usernameMatch ? usernameMatch[1] : '',
+    authorUrl: usernameMatch ? `https://www.instagram.com/${usernameMatch[1]}` : '',
+    thumbnail: '',
+    embedHtml: '',
+    reelId: reelMatch ? reelMatch[1] : null,
+  };
+}
+
+export function isInstagramUrl(url) {
+  return /instagram\.com\/(p|reel)\//.test(url);
+}