add changes

backend/routes/question.routes.js

@@ -0,0 +1,35 @@
+const express = require('express');
+const router = express.Router();
+const questionController = require('../controllers/question.controller');
+const { optionalAuth } = require('../middleware/auth.middleware');
+
+/**
+ * @route GET /api/questions/search
+ * @desc Search questions using full-text search
+ * @access Public (with optional auth for more questions)
+ * @query q - Search query (required)
+ * @query category - Filter by category UUID (optional)
+ * @query difficulty - Filter by difficulty (easy, medium, hard) (optional)
+ * @query limit - Number of results per page (default: 20, max: 100)
+ * @query page - Page number (default: 1)
+ */
+router.get('/search', optionalAuth, questionController.searchQuestions);
+
+/**
+ * @route GET /api/questions/category/:categoryId
+ * @desc Get questions by category with filtering
+ * @access Public (with optional auth for more questions)
+ * @query difficulty - Filter by difficulty (easy, medium, hard)
+ * @query limit - Number of questions to return (default: 10, max: 50)
+ * @query random - Boolean to randomize questions (default: false)
+ */
+router.get('/category/:categoryId', optionalAuth, questionController.getQuestionsByCategory);
+
+/**
+ * @route GET /api/questions/:id
+ * @desc Get single question by ID
+ * @access Public (with optional auth for auth-only questions)
+ */
+router.get('/:id', optionalAuth, questionController.getQuestionById);
+
+module.exports = router;