refactor & feat: ITP-47 imple endpoint /api/quiz/formula-one

server.js

@@ -8,60 +8,49 @@ const OpenAI = require('openai');
 const OPENAI_API_KEY = process.env.OPENAI_API_KEY;
 const app = express();
 
-app.use(express.json());
-app.use(cors());
+const configureMiddlewares = () => {
+    app.use(express.json());
+    app.use(cors());
+};
 
-// Swagger config
-const swaggerOptions = {
-    swaggerDefinition: {
-        info: {
-            title: 'IntelliQ-BE API',
-            version: '2.0.0',
-            description: 'API for IntelliQ-BE',
+const configureSwagger = () => {
+    const swaggerOptions = {
+        swaggerDefinition: {
+            info: {
+                title: 'IntelliQ-BE API',
+                version: '2.0.0',
+                description: 'API for IntelliQ-BE',
+            },
         },
-    },
-    apis: ['server.js'],
+        apis: ['server.js'],
+    };
+    const swaggerDocs = swaggerJsDoc(swaggerOptions);
+    app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(swaggerDocs));
 };
 
-const swaggerDocs = swaggerJsDoc(swaggerOptions);
-app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(swaggerDocs));
-
-app.get('/', async (req, res) => {
-    res.send('Welcome to the IntelliQ-BE API!');
-});
-
-// Create OpenAI instance
-const openai = new OpenAI(OPENAI_API_KEY);
-app.get('/getQuiz', async (req, res) => {
-    const { interests, numberOfQuestions } = req.query;
+const generateQuizQuestions = async (interests, numberOfQuestions) => {
     const prompt = `Generate ${numberOfQuestions} multiple-choice quiz questions based on the user's interests in 
     ${interests}. Each question should come with four answer options labeled a, b, c, and d. Include the correct answer 
-    for each question, beginning the line with 'Answer:'. 
-    The correct answer should be formatted exactly like its corresponding option.`;
-
+    for each question, beginning the line with 'Answer:'. The correct answer should be formatted exactly like its corresponding option.`;
+    const openai = new OpenAI(OPENAI_API_KEY);
     const response = await openai.chat.completions.create({
         model: 'gpt-3.5-turbo',
-        messages: [
-            {
-                'role': 'system',
-                'content': prompt
-            },
-            {
-                'role': 'user',
-                'content': `${interests}, ${numberOfQuestions} questions`
-            }
-        ],
+        messages: [{
+            'role': 'system',
+            'content': prompt
+        }, {
+            'role': 'user',
+            'content': `${interests}, ${numberOfQuestions} questions`
+        }],
         temperature: 1,
         max_tokens: 512,
         top_p: 1,
         frequency_penalty: 0,
         presence_penalty: 0,
     });
-
     const rawContent = response.choices[0].message.content;
     const rawQuestions = rawContent.split('\n\n');
-
-    const formattedQuestions = rawQuestions.map((q) => {
+    return rawQuestions.map((q) => {
         const parts = q.split('\n');
         const questionText = parts[0];
         const options = parts.slice(1, -1);
@@ -73,18 +62,30 @@ app.get('/getQuiz', async (req, res) => {
             correctAnswer: correctAnswer
         };
     });
+};
 
-    res.json({ questions: formattedQuestions });
+app.get('/api/welcome', async (req, res) => {
+    res.send('Welcome to the IntelliQ-BE API!');
 });
 
+app.get('/api/quiz', async (req, res) => {
+    const { interests, numberOfQuestions } = req.query;
+    const questions = await generateQuizQuestions(interests, numberOfQuestions);
+    res.json({ questions });
+});
 
+app.get('/api/quiz/formula-one', async (req, res) => {
+    const questions = await generateQuizQuestions('formula-one', 4);
+    res.json({ questions });
+});
 
-// init jokes and start server
-const port = process.env.PORT || 3000;
 const startServer = async () => {
+    const port = process.env.PORT || 3000;
     app.listen(port, () => {
         console.log(`Server is running on http://localhost:${port}`);
     });
 };
 
+configureMiddlewares();
+configureSwagger();
 startServer().catch(e => console.error(e));