add product id to cart item

Author: Steph Dietz

backend/functions/assembly/crud.ts

@@ -366,7 +366,7 @@ export function getCart(cartId: string): Cart {
       cartId + "_" + cartItems[i],
     );
     const product = getProduct(cartItems[i]);
-    const cartItemObject = new CartItemObject(product, parseFloat(quantity));
+    const cartItemObject = new CartItemObject(product, parseFloat(quantity), i);
     items.push(cartItemObject);
   }
   return new Cart(cartId, items);

backend/functions/assembly/types.ts

@@ -50,6 +50,7 @@ export class CartItemObject {
   constructor(
     public Product: Product,
     public quantity: f64,
+    public cartId: f64,
   ) {}
 }