init push

backend/services/ai.js

@@ -0,0 +1,39 @@
+import { SYSTEM_PROMPT } from '../prompts/extractRecipe.js';
+
+const OLLAMA_URL = process.env.OLLAMA_URL || 'http://localhost:11434';
+const MODEL = process.env.OLLAMA_MODEL || 'mistral';
+
+export async function isOllamaAvailable() {
+  try {
+    const res = await fetch(`${OLLAMA_URL}/api/tags`, { signal: AbortSignal.timeout(3000) });
+    return res.ok;
+  } catch {
+    return false;
+  }
+}
+
+export async function extractRecipe(description) {
+  const response = await fetch(`${OLLAMA_URL}/api/generate`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({
+      model: MODEL,
+      system: SYSTEM_PROMPT,
+      prompt: `Extrahiere ein Rezept aus dieser TikTok-Videobeschreibung:\n\n${description}`,
+      stream: false,
+    }),
+  });
+
+  if (!response.ok) {
+    throw new Error(`Ollama Fehler: ${response.status}`);
+  }
+
+  const data = await response.json();
+  let text = data.response.trim();
+
+  if (text.startsWith('```')) {
+    text = text.replace(/^```(?:json)?\n?/, '').replace(/\n?```$/, '');
+  }
+
+  return JSON.parse(text);
+}

backend/services/tiktok.js

@@ -0,0 +1,20 @@
+import fetch from 'node-fetch';
+
+export async function getTikTokData(url) {
+  const oembedUrl = `https://www.tiktok.com/oembed?url=${encodeURIComponent(url)}`;
+  const response = await fetch(oembedUrl);
+
+  if (!response.ok) {
+    throw new Error(`TikTok oEmbed Fehler: ${response.status}`);
+  }
+
+  const data = await response.json();
+
+  return {
+    title: data.title || '',
+    author: data.author_name || '',
+    authorUrl: data.author_url || '',
+    thumbnail: data.thumbnail_url || '',
+    embedHtml: data.html || '',
+  };
+}