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

src/App.js

@@ -1,14 +1,12 @@
-import React from 'react';
-import ComparisonTable from './components/ComparisonTable';
-import './App.css';
+import { searchAndSummarize } from './services/tavily.js';
+import { logInfo } from './services/otherService.js';
 
-function App() {
-  return (
-    <div className="App">
-      <h1>Entity Comparison</h1>
-      <ComparisonTable />
-    </div>
-  );
-}
-
-export default App;
+export async function run() {
+  const query = 'Comparison of three entities';
+  logInfo(`Starting search for: ${query}`);
+  const results = await searchAndSummarize(query);
+  logInfo('Results:');
+  results.forEach((res, idx) => {
+    console.log(`${idx + 1}. ${res.title}\n   ${res.summary}\n`);
+  });
+}

src/index.js

@@ -1,12 +1,6 @@
-import React from 'react';
-import { createRoot } from 'react-dom/client';
-import App from './App';
-import './index.css';
+import { run } from './app.js';
 
-const container = document.getElementById('root');
-const root = createRoot(container);
-root.render(
-  <React.StrictMode>
-    <App />
-  </React.StrictMode>
-);
+run().catch((err) => {
+  console.error('Application error:', err);
+  process.exit(1);
+});

src/services/otherService.js

@@ -0,0 +1,3 @@
+export function logInfo(message) {
+  console.log(`[OtherService] ${message}`);
+}

src/services/tavily.js

@@ -0,0 +1,39 @@
+import { TavilyClient } from 'tavily-sdk';
+import dotenv from 'dotenv';
+
+dotenv.config();
+
+const apiKey = process.env.TAVILY_API_KEY;
+if (!apiKey) {
+  throw new Error('TAVILY_API_KEY environment variable is not set.');
+}
+
+const client = new TavilyClient({ apiKey });
+
+export async function searchAndSummarize(query) {
+  try {
+    // Perform a search with a maximum of 3 results
+    const searchResponse = await client.search({
+      query,
+      maxResults: 3,
+    });
+
+    // Summarize each result's content
+    const summaries = await Promise.all(
+      searchResponse.results.map(async (result) => {
+        const summaryResponse = await client.summarize({
+          text: result.content,
+        });
+        return {
+          title: result.title,
+          summary: summaryResponse.summary,
+        };
+      })
+    );
+
+    return summaries;
+  } catch (error) {
+    console.error('Error during Tavily operation:', error);
+    throw error;
+  }
+}