Fix/cart null reference error

src/controllers/apps/ecommerce/cart.controllers.js

@@ -76,7 +76,6 @@ export const getCart = async (userId) => {
               $subtract: ["$cartTotal", "$coupon.discountValue"],
             },
             "$cartTotal", // if there is no coupon applied we will set cart total as out final total
-            ,
           ],
         },
       },
@@ -105,11 +104,19 @@ const addItemOrUpdateItemQuantity = asyncHandler(async (req, res) => {
   const { productId } = req.params;
   const { quantity = 1 } = req.body;
 
-  // fetch user cart
-  const cart = await Cart.findOne({
+  // fetch user cart or create one if it doesn't exist
+  let cart = await Cart.findOne({
     owner: req.user._id,
   });
 
+  // If cart doesn't exist, create a new one for the user
+  if (!cart) {
+    cart = await Cart.create({
+      owner: req.user._id,
+      items: [],
+    });
+  }
+
   // See if product that user is adding exist in the db
   const product = await Product.findById(productId);
 
@@ -173,6 +180,18 @@ const removeItemFromCart = asyncHandler(async (req, res) => {
     throw new ApiError(404, "Product does not exist");
   }
 
+  // Check if user has a cart first
+  const existingCart = await Cart.findOne({
+    owner: req.user._id,
+  });
+
+  if (!existingCart) {
+    throw new ApiError(
+      400,
+      "Cart not found. Cannot remove item from non-existent cart"
+    );
+  }
+
   const updatedCart = await Cart.findOneAndUpdate(
     {
       owner: req.user._id,
@@ -207,6 +226,15 @@ const removeItemFromCart = asyncHandler(async (req, res) => {
 });
 
 const clearCart = asyncHandler(async (req, res) => {
+  // Check if cart exists first
+  const existingCart = await Cart.findOne({
+    owner: req.user._id,
+  });
+
+  if (!existingCart) {
+    throw new ApiError(400, "Cart not found. Cannot clear non-existent cart");
+  }
+
   await Cart.findOneAndUpdate(
     {
       owner: req.user._id,

src/controllers/kitchen-sink/statuscode.controllers.js

@@ -1,5 +1,5 @@
 import { asyncHandler } from "../../utils/asyncHandler.js";
-import statusCodesJson from "../../json/status-codes.json" assert { type: "json" };
+import statusCodesJson from "../../json/status-codes.json" with { type: "json" };
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";
 

src/controllers/public/book.controllers.js

@@ -1,4 +1,4 @@
-import booksJson from "../../json/books.json" assert { type: "json" };
+import booksJson from "../../json/books.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/cat.controllers.js

@@ -1,4 +1,4 @@
-import catsJson from "../../json/cats.json" assert { type: "json" };
+import catsJson from "../../json/cats.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/dog.controllers.js

@@ -1,4 +1,4 @@
-import dogsJson from "../../json/dogs.json" assert { type: "json" };
+import dogsJson from "../../json/dogs.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/meal.controllers.js

@@ -1,4 +1,4 @@
-import mealsJson from "../../json/meals.json" assert { type: "json" };
+import mealsJson from "../../json/meals.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/quote.controllers.js

@@ -1,4 +1,4 @@
-import quotesJson from "../../json/quotes.json" assert { type: "json" };
+import quotesJson from "../../json/quotes.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/randomjoke.controllers.js

@@ -1,4 +1,4 @@
-import randomJokesJson from "../../json/randomjoke.json" assert { type: "json" };
+import randomJokesJson from "../../json/randomjoke.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/randomproduct.controllers.js

@@ -1,4 +1,4 @@
-import randomProductsJson from "../../json/randomproduct.json" assert { type: "json" };
+import randomProductsJson from "../../json/randomproduct.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/randomuser.controllers.js

@@ -1,4 +1,4 @@
-import randomUsersJson from "../../json/randomuser.json" assert { type: "json" };
+import randomUsersJson from "../../json/randomuser.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/stock.controllers.js

@@ -1,4 +1,4 @@
-import nseStocksJson from "../../json/nse-stocks.json" assert { type: "json" };
+import nseStocksJson from "../../json/nse-stocks.json" with { type: "json" };
 import { filterObjectKeys, getPaginatedPayload } from "../../utils/helpers.js";
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";

src/controllers/public/youtube.controllers.js

@@ -1,9 +1,9 @@
 import { YouTubeFilterEnum, AvailableYouTubeFilters } from "../../constants.js";
-import channelJson from "../../json/youtube/channel.json" assert { type: "json" };
-import commentsJson from "../../json/youtube/comments.json" assert { type: "json" };
-import playlistItemsJson from "../../json/youtube/playlistitems.json" assert { type: "json" };
-import playlistsJson from "../../json/youtube/playlists.json" assert { type: "json" };
-import videosJson from "../../json/youtube/videos.json" assert { type: "json" };
+import channelJson from "../../json/youtube/channel.json" with { type: "json" };
+import commentsJson from "../../json/youtube/comments.json" with { type: "json" };
+import playlistItemsJson from "../../json/youtube/playlistitems.json" with { type: "json" };
+import playlistsJson from "../../json/youtube/playlists.json" with { type: "json" };
+import videosJson from "../../json/youtube/videos.json" with { type: "json" };
 import { ApiError } from "../../utils/ApiError.js";
 import { ApiResponse } from "../../utils/ApiResponse.js";
 import { asyncHandler } from "../../utils/asyncHandler.js";