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

src/index.js

@@ -0,0 +1,99 @@
+import fetch from 'node-fetch';
+
+const API_KEY = process.env.TAVILY_API_KEY;
+if (!API_KEY) {
+  console.error('Error: TAVILY_API_KEY environment variable is not set.');
+  process.exit(1);
+}
+
+const API_URL = 'https://api.tavily.com/search';
+
+const ENTITIES = [
+  'Apple Inc.',
+  'Microsoft Corporation',
+  'Google LLC'
+];
+
+const ATTRIBUTES = ['Title', 'URL', 'Snippet', 'Score'];
+
+async function fetchEntityData(entity) {
+  try {
+    const response = await fetch(API_URL, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${API_KEY}`
+      },
+      body: JSON.stringify({
+        query: entity,
+        search_depth: 'basic',
+        include_raw_content: false,
+        top_k: 1
+      })
+    });
+
+    if (!response.ok) {
+      console.error(`Failed to fetch data for "${entity}". Status: ${response.status}`);
+      return null;
+    }
+
+    const data = await response.json();
+
+    if (!data.results || data.results.length === 0) {
+      console.warn(`No results found for "${entity}".`);
+      return {
+        Entity: entity,
+        Title: 'N/A',
+        URL: 'N/A',
+        Snippet: 'N/A',
+        Score: 0
+      };
+    }
+
+    const topResult = data.results[0];
+    return {
+      Entity: entity,
+      Title: topResult.title || 'N/A',
+      URL: topResult.url || 'N/A',
+      Snippet: topResult.snippet || 'N/A',
+      Score: topResult.score || 0
+    };
+  } catch (error) {
+    console.error(`Error fetching data for "${entity}":`, error);
+    return null;
+  }
+}
+
+async function main() {
+  const results = [];
+  for (const entity of ENTITIES) {
+    const data = await fetchEntityData(entity);
+    if (data) {
+      results.push(data);
+    }
+  }
+
+  if (results.length === 0) {
+    console.error('No data to display.');
+    return;
+  }
+
+  // Determine the highest score for verdict
+  const maxScore = Math.max(...results.map(r => r.Score));
+
+  // Add verdict column
+  const tableData = results.map(r => ({
+    Entity: r.Entity,
+    Title: r.Title,
+    URL: r.URL,
+    Snippet: r.Snippet,
+    Score: r.Score,
+    Verdict: r.Score === maxScore ? 'Best' : ''
+  }));
+
+  // Print table
+  console.log('\nComparison Table (3xN with Verdict):\n');
+  console.table(tableData);
+}
+
+main();