Initial commit

server/controllers/reviewController.js

@@ -0,0 +1,50 @@
+const Review = require('../models/Review');
+const Product = require('../models/Product');
+const { successResponse, errorResponse } = require('../utils/apiResponse');
+
+const getProductReviews = async (req, res, next) => {
+  try {
+    const reviews = await Review.find({ product: req.params.productId, isApproved: true })
+      .populate('user', 'name avatar')
+      .sort({ createdAt: -1 });
+
+    return successResponse(res, 'Reviews retrieved', reviews);
+  } catch (error) {
+    next(error);
+  }
+};
+
+const createReview = async (req, res, next) => {
+  try {
+    const { productId, rating, title, comment } = req.body;
+
+    const existing = await Review.findOne({ user: req.user._id, product: productId });
+    if (existing) {
+      return errorResponse(res, 'You have already reviewed this product', [], 400);
+    }
+
+    const review = await Review.create({
+      user: req.user._id,
+      product: productId,
+      rating: Number(rating),
+      title,
+      comment
+    });
+
+    // Update Product average rating
+    const reviews = await Review.find({ product: productId, isApproved: true });
+    const avgRating = reviews.reduce((acc, item) => item.rating + acc, 0) / reviews.length;
+
+    await Product.findByIdAndUpdate(productId, {
+      rating: Number(avgRating.toFixed(1)),
+      numReviews: reviews.length
+    });
+
+    return successResponse(res, 'Review submitted successfully', review, 201);
+  } catch (error) {
+    next(error);
+  }
+};
+
+module.exports = { getProductReviews, createReview };
+