add changes

backend/routes/admin.routes.js

@@ -0,0 +1,35 @@
+const express = require('express');
+const router = express.Router();
+const questionController = require('../controllers/question.controller');
+const { verifyToken, isAdmin } = require('../middleware/auth.middleware');
+
+/**
+ * @route POST /api/admin/questions
+ * @desc Create a new question (Admin only)
+ * @access Admin
+ * @body {
+ *   questionText, questionType, options, correctAnswer,
+ *   difficulty, points, explanation, categoryId, tags, keywords
+ * }
+ */
+router.post('/questions', verifyToken, isAdmin, questionController.createQuestion);
+
+/**
+ * @route PUT /api/admin/questions/:id
+ * @desc Update a question (Admin only)
+ * @access Admin
+ * @body {
+ *   questionText?, questionType?, options?, correctAnswer?,
+ *   difficulty?, points?, explanation?, categoryId?, tags?, keywords?, isActive?
+ * }
+ */
+router.put('/questions/:id', verifyToken, isAdmin, questionController.updateQuestion);
+
+/**
+ * @route DELETE /api/admin/questions/:id
+ * @desc Delete a question - soft delete (Admin only)
+ * @access Admin
+ */
+router.delete('/questions/:id', verifyToken, isAdmin, questionController.deleteQuestion);
+
+module.exports = router;