Initial commit

server/controllers/wishlistController.js

@@ -0,0 +1,41 @@
+const Wishlist = require('../models/Wishlist');
+const { successResponse, errorResponse } = require('../utils/apiResponse');
+
+const getWishlist = async (req, res, next) => {
+  try {
+    let wishlist = await Wishlist.findOne({ user: req.user._id }).populate('products');
+    if (!wishlist) {
+      wishlist = await Wishlist.create({ user: req.user._id, products: [] });
+    }
+    return successResponse(res, 'Wishlist retrieved', wishlist);
+  } catch (error) {
+    next(error);
+  }
+};
+
+const toggleWishlist = async (req, res, next) => {
+  try {
+    const { productId } = req.body;
+    let wishlist = await Wishlist.findOne({ user: req.user._id });
+    
+    if (!wishlist) {
+      wishlist = new Wishlist({ user: req.user._id, products: [productId] });
+    } else {
+      const exists = wishlist.products.includes(productId);
+      if (exists) {
+        wishlist.products.pull(productId);
+      } else {
+        wishlist.products.push(productId);
+      }
+    }
+
+    await wishlist.save();
+    const updated = await Wishlist.findById(wishlist._id).populate('products');
+    return successResponse(res, 'Wishlist updated', updated);
+  } catch (error) {
+    next(error);
+  }
+};
+
+module.exports = { getWishlist, toggleWishlist };
+