👌 IMPROVE: added books get route

src/app/sales/product/product.controller.ts

@@ -13,4 +13,10 @@ export class ProductController {
     await this.service.addNewProduct(req.body, user);
     return res.json({ message: 'Product created successfully' });
   });
+
+  getAllProducts = asyncWrapper(async (req, res) => {
+    const user = req.userId;
+    const data = await this.service.getAllProducts(user);
+    return res.json({ message: 'Products fetched successfully', data });
+  });
 }

src/app/sales/product/product.routes.ts

@@ -13,6 +13,7 @@ class ProductRouter {
   }
 
   mountRoutes() {
+    this.router.get('/', this.controller.getAllProducts);
     this.router.post('/', this.controller.addnewProduct);
   }
 }

src/app/sales/product/product.service.ts

@@ -3,10 +3,32 @@ import { productSchema, TProductSchema } from '../../../schema/product.schema';
 import { BadRequestError } from '../../../utils/exceptions';
 
 export class ProductService {
+  async getAllProducts(user: string) {
+    const products = await ProductModel.find({ user });
+    const productsWithTotalQty = products.map((product) => {
+      const totalQty = product.batches.reduce(
+        (sum, batch) => sum + batch.qty,
+        0,
+      );
+
+      // Return the product object with the additional totalQty field
+      return {
+        ...product.toObject(), // Convert the product document to a plain JS object
+        totalQty,
+      };
+    });
+
+    return productsWithTotalQty;
+  }
+
   async addNewProduct(payload: TProductSchema, user: string) {
     const { data, success } = productSchema.safeParse(payload);
     if (!success) throw new BadRequestError('Invalid payload format');
 
+    const existingProduct = await ProductModel.findOne({ name: data.name });
+    console.log('EXISTING PRODUCT', existingProduct);
+    if (existingProduct) throw new BadRequestError('Product exist already');
+
     const batches = [
       {
         batchNo: 1,