feat: solution for 'Повторный экзамен #2: Сравнительный обзор 3 сущностей (Tavily)'

src/tavily.js

@@ -0,0 +1,41 @@
+const axios = require('axios');
+require('dotenv').config();
+
+const TAVILY_API_KEY = process.env.TAVILY_API_KEY;
+const TAVILY_ENDPOINT = 'https://api.tavily.com/search';
+
+async function fetchEntityData(entity) {
+  try {
+    const response = await axios.post(
+      TAVILY_ENDPOINT,
+      {
+        query: entity,
+        search_depth: 2,
+        include_raw_content: true,
+        max_results: 5
+      },
+      {
+        headers: {
+          'Content-Type': 'application/json',
+          'accept': 'application/json',
+          'Authorization': `Bearer ${TAVILY_API_KEY}`
+        }
+      }
+    );
+
+    if (response.data && response.data.results) {
+      // Concatenate all raw content into a single string
+      const texts = response.data.results
+        .map((r) => r.raw_content || '')
+        .filter(Boolean);
+      return texts.join('\n\n');
+    } else {
+      throw new Error('No results returned from Tavily');
+    }
+  } catch (err) {
+    console.error('Error fetching data from Tavily:', err.message);
+    throw err;
+  }
+}
+
+module.exports = { fetchEntityData };