feat(checkout): update checkout process to handle multiple direct items

src/app/core/services/checkout.service.spec.ts

@@ -0,0 +1,41 @@
+import { provideHttpClient } from '@angular/common/http';
+import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { TestBed } from '@angular/core/testing';
+import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+
+import { environment } from '../../../environments/environment';
+import { CheckoutService } from './checkout.service';
+
+describe('CheckoutService', () => {
+  let service: CheckoutService;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [CheckoutService, provideHttpClient(), provideHttpClientTesting()],
+    });
+
+    service = TestBed.inject(CheckoutService);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => httpMock.verify());
+
+  it('starts one direct checkout with all selected variants', async () => {
+    const payload = {
+      direct_items: [
+        { catalog_item_id: 10, variant_id: 101, cantidad: 1 },
+        { catalog_item_id: 10, variant_id: 102, cantidad: 1 },
+      ],
+    };
+    const purchasePromise = service.startCheckout('desfile', payload);
+    const request = httpMock.expectOne(`${environment.url}tenants/desfile/compras/start-checkout`);
+
+    expect(request.request.method).toBe('POST');
+    expect(request.request.body).toEqual(payload);
+
+    request.flush({ data: { id: 55 } });
+
+    await expect(purchasePromise).resolves.toMatchObject({ id: 55 });
+  });
+});

src/app/core/services/checkout.service.ts

@@ -21,9 +21,6 @@ export type StartCheckoutPayload =
   | {
       cart_id: number;
     }
-  | {
-      direct_item: DirectCheckoutItem;
-    }
   | {
       direct_items: DirectCheckoutItem[];
     };
@@ -186,10 +183,7 @@ export class CheckoutService extends BaseApiService {
     return purchase;
   }
 
-  async completePurchase(
-    tenantCode: string,
-    purchaseId: number,
-  ): Promise<PurchaseStatusResponse> {
+  async completePurchase(tenantCode: string, purchaseId: number): Promise<PurchaseStatusResponse> {
     const response = await firstValueFrom(
       this.http.post<{ data?: PurchaseStatusResponse } | PurchaseStatusResponse>(
         `${environment.url}tenants/${tenantCode}/compras/${purchaseId}/complete`,
@@ -227,10 +221,7 @@ export class CheckoutService extends BaseApiService {
     return { status: purchase.status ?? null };
   }
 
-  async cancelPurchase(
-    tenantCode: string,
-    purchaseId: number,
-  ): Promise<PurchaseStatusResponse> {
+  async cancelPurchase(tenantCode: string, purchaseId: number): Promise<PurchaseStatusResponse> {
     const response = await firstValueFrom(
       this.http.post<{ data?: PurchaseStatusResponse } | PurchaseStatusResponse>(
         `${environment.url}tenants/${tenantCode}/compras/${purchaseId}/cancel`,
@@ -254,9 +245,7 @@ export class CheckoutService extends BaseApiService {
     if (status) {
       url += `?status=${status}`;
     }
-    const response = await firstValueFrom(
-      this.http.get<{ data: PurchaseSummaryResponse[] }>(url),
-    );
+    const response = await firstValueFrom(this.http.get<{ data: PurchaseSummaryResponse[] }>(url));
     if (!response) {
       throw new Error('Error al obtener las compras.');
     }