fix(product-details): Fix issues in product details endpoint

- return total quantity sold and similar products on product details endpoint

[Fixes #154]

src/__test__/review.test.ts

@@ -89,7 +89,7 @@ describe('Review  controller test', () => {
         .set('Authorization', `Bearer ${buyerToken}`)
         .send(reviewBody)
         expect(responseReview.statusCode).toEqual(409);
-        expect(responseReview.body.message).toEqual('you are already reviewed the product');
+        expect(responseReview.body.message).toEqual('you have already reviewed the product');
 
     })
 

src/controller/buyerController.ts

@@ -18,16 +18,54 @@ export const getOneProduct = errorHandler(
 
     const product = await productRepository.findOne({
       where: { id: productId },
-      relations: ['category'],
+      relations: ['category','reviews','reviews.user','vendor'],
     });
 
     if (!product) {
       return res.status(404).json({ msg: 'Product not found' });
     }
 
+    const similarProducts = await productRepository.find({
+      where:{
+        category:{
+          id: product.category.id
+        }
+      },
+      take: 4
+    })
+
+    const orders = await orderRepository.find({
+      where: {
+        paid: true,
+        orderDetails: {
+          product: {
+            id: productId
+          }
+        }
+      },
+      select: {
+        orderDetails: {
+          product: {
+            id: true
+          },
+          quantity: true
+        }
+      },
+      relations: ['orderDetails', 'orderDetails.product']
+    });
+
+    let totalQtySold = 0
+
+    for(const order of orders){
+      for(const orderDetail of order.orderDetails){
+        totalQtySold += orderDetail.quantity
+      }
+    }
+
+
     return res
       .status(200)
-      .json({ msg: 'Product retrieved successfully', product });
+      .json({ msg: 'Product retrieved successfully', product:{...product, similarProducts, totalQtySold} });
   }
 );
 

src/controller/cartController.ts

@@ -84,7 +84,9 @@ export const getCartItems = errorHandler(
 
     const cartItems = await cartRepository.find({
       where: {
-        user: user!,
+        user: {
+          id: userId
+        },
       },
       select: {
         user: {

src/controller/reviewController.ts

@@ -54,7 +54,7 @@ export const createReview = errorHandler(async (req: Request, res: Response) =>
   })
 
   if(existingReview){
-    return res.status(409).json({ message: 'you are already reviewed the product' });
+    return res.status(409).json({ message: 'you have already reviewed the product' });
   }
 
   const newReview  = new Review();

src/routes/buyerRoutes.ts

@@ -16,10 +16,9 @@ import { handlePayment } from '../controller/buyerController';
 
 const buyerRouter = Router();
 
-buyerRouter.use(IsLoggedIn, checkRole(['Buyer']));
-
 buyerRouter.get('/get_product/:id', getOneProduct);
 
+buyerRouter.use(IsLoggedIn, checkRole(['Buyer']));
 buyerRouter.post('/addItemToWishList', IsLoggedIn, AddItemInWishList);
 buyerRouter.delete('/removeToWishList', IsLoggedIn, RemoveProductFromWishList);
 buyerRouter.get('/getWishList', IsLoggedIn, getAllWishList);