From 65aa9bc11441bde417329fa591a42cbb736e9066 Mon Sep 17 00:00:00 2001
From: griest024 <griest024@gmail.com>
Date: Thu, 8 Feb 2024 11:13:31 -0500
Subject: [PATCH] feat(cart): use product data to seed added cart item (#2745)

---
 .../backend/cart-items/cart-items.service.ts  |  3 +--
 .../cart-item/cart-item.factory.spec.ts       | 27 ++++++++++++++++---
 .../factories/cart-item/cart-item.factory.ts  | 19 ++++++++++---
 3 files changed, 41 insertions(+), 8 deletions(-)

diff --git a/libs/cart/driver/in-memory/src/backend/cart-items/cart-items.service.ts b/libs/cart/driver/in-memory/src/backend/cart-items/cart-items.service.ts
index b455cab73a..f4aa7cf068 100644
--- a/libs/cart/driver/in-memory/src/backend/cart-items/cart-items.service.ts
+++ b/libs/cart/driver/in-memory/src/backend/cart-items/cart-items.service.ts
@@ -88,9 +88,8 @@ export class DaffInMemoryBackendCartItemsService implements DaffInMemoryDataServ
 
   private transformItemInput(itemInput: DaffCartItemInput) {
     return {
-      ...this.cartItemFactory.create(),
+      ...this.cartItemFactory.fromProduct(this.productBackend.products.find((product) => product.id === itemInput.productId)),
       ...itemInput,
-      product_id: itemInput.productId,
     };
   }
 
diff --git a/libs/cart/testing/src/factories/cart-item/cart-item.factory.spec.ts b/libs/cart/testing/src/factories/cart-item/cart-item.factory.spec.ts
index 02f3883bfd..eb83c5cca1 100644
--- a/libs/cart/testing/src/factories/cart-item/cart-item.factory.spec.ts
+++ b/libs/cart/testing/src/factories/cart-item/cart-item.factory.spec.ts
@@ -1,12 +1,14 @@
 import { TestBed } from '@angular/core/testing';
 
 import { DaffCartItem } from '@daffodil/cart';
+import { DaffProduct } from '@daffodil/product';
+import { DaffProductFactory } from '@daffodil/product/testing';
 
 import { DaffCartItemFactory } from './cart-item.factory';
 
-describe('Cart | Testing | Factories | CartItemFactory', () => {
-
+describe('@daffodil/cart/testing | DaffCartItemFactory', () => {
   let cartItemFactory: DaffCartItemFactory;
+  let productFactory: DaffProductFactory;
 
   beforeEach(() => {
     TestBed.configureTestingModule({
@@ -14,6 +16,7 @@ describe('Cart | Testing | Factories | CartItemFactory', () => {
     });
 
     cartItemFactory = TestBed.inject(DaffCartItemFactory);
+    productFactory = TestBed.inject(DaffProductFactory);
   });
 
   it('should be created', () => {
@@ -21,7 +24,6 @@ describe('Cart | Testing | Factories | CartItemFactory', () => {
   });
 
   describe('create', () => {
-
     let result: DaffCartItem;
 
     beforeEach(() => {
@@ -48,4 +50,23 @@ describe('Cart | Testing | Factories | CartItemFactory', () => {
       expect(result.discounts.reduce((acc, discount) => acc + discount.amount, 0)).toBeLessThanOrEqual(result.price);
     });
   });
+
+  describe('fromProduct', () => {
+    let result: DaffCartItem;
+    let product: DaffProduct;
+
+    beforeEach(() => {
+      product = productFactory.create();
+      result = cartItemFactory.fromProduct(product);
+    });
+
+    it('should return a CartItem with fields seeded from a product', () => {
+      expect(result.product_id).toEqual(product.id);
+      expect(result.name).toEqual(product.name);
+      expect(result.url).toEqual(product.url);
+      expect(result.image).toEqual(product.images[0]);
+      expect(result.sku).toEqual(product.id);
+      expect(result.in_stock).toEqual(product.in_stock);
+    });
+  });
 });
diff --git a/libs/cart/testing/src/factories/cart-item/cart-item.factory.ts b/libs/cart/testing/src/factories/cart-item/cart-item.factory.ts
index 11f8a5eb43..e27378b85b 100644
--- a/libs/cart/testing/src/factories/cart-item/cart-item.factory.ts
+++ b/libs/cart/testing/src/factories/cart-item/cart-item.factory.ts
@@ -7,7 +7,10 @@ import {
   DaffCartItemDiscount,
 } from '@daffodil/cart';
 import { DaffModelFactory } from '@daffodil/core/testing';
-import { DaffProductImage } from '@daffodil/product';
+import {
+  DaffProduct,
+  DaffProductImage,
+} from '@daffodil/product';
 import { DaffProductImageFactory } from '@daffodil/product/testing';
 
 export class DaffMockCartItem implements DaffCartItem {
@@ -39,8 +42,18 @@ export class DaffMockCartItem implements DaffCartItem {
   providedIn: 'root',
 })
 export class DaffCartItemFactory extends DaffModelFactory<DaffCartItem> {
-
-  constructor(){
+  constructor() {
     super(DaffMockCartItem);
   }
+
+  fromProduct(product: DaffProduct): DaffCartItem {
+    return this.create({
+      product_id: product.id,
+      name: product.name,
+      url: product.url,
+      image: product.images[0],
+      sku: product.id,
+      in_stock: product.in_stock,
+    });
+  }
 }