feat(checkout): refactor purchase completion flow and clear cart state

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

@@ -34,7 +34,8 @@ describe('CartService', () => {
 
   beforeEach(() => {
     tenantServiceMock = {
-      getTenantApiUrl: vi.fn().mockReturnValue('http://api.test/tenants/acme')
+      getTenantApiUrl: vi.fn().mockReturnValue('http://api.test/tenants/acme'),
+      tenant: vi.fn().mockReturnValue({ codigo: 'acme' })
     };
 
     TestBed.configureTestingModule({
@@ -74,6 +75,18 @@ describe('CartService', () => {
     req.flush({ data: mockCart });
   });
 
+  it('should clear cart state locally', () => {
+    service.clearCart();
+
+    expect(service.cart()).toEqual({
+      id: null,
+      tenant_codigo: 'acme',
+      status: 'active',
+      items: [],
+      subtotal: '0.00'
+    });
+  });
+
   it('should add item and update signal', () => {
     service.addItem(10, 2).subscribe((res) => {
       expect(res.data).toEqual(mockCart);

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

@@ -23,6 +23,16 @@ export class CartService {
     return this.tenantService.getTenantApiUrl();
   }
 
+  clearCart(): void {
+    this.cartState.set({
+      id: null,
+      tenant_codigo: this.tenantService.tenant()?.codigo ?? '',
+      status: 'active',
+      items: [],
+      subtotal: '0.00'
+    });
+  }
+
   loadCart(): Observable<Cart> {
     return this.http
       .get<ApiResponse<Cart>>(`${this.tenantApiUrl}/cart`, {

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

@@ -13,7 +13,6 @@ export interface CreatePurchasePayload {
 }
 
 export interface PurchaseStatusResponse {
-  payment_status: string | null;
   status: string | null;
 }
 
@@ -47,9 +46,9 @@ export class CheckoutService {
     return response;
   }
 
-  async finalizePurchase(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/${purchaseId}/finalize`, {})
+      this.http.post<{ data?: PurchaseStatusResponse } | PurchaseStatusResponse>(`${environment.url}tenants/${tenantCode}/compras/${purchaseId}/complete`, {})
     );
 
     const purchase = this.extractResponseData<PurchaseStatusResponse>(response);
@@ -59,7 +58,6 @@ export class CheckoutService {
     }
 
     return {
-      payment_status: purchase.payment_status ?? null,
       status: purchase.status ?? null
     };
   }
@@ -76,7 +74,6 @@ export class CheckoutService {
     }
 
     return {
-      payment_status: purchase.payment_status ?? null,
       status: purchase.status ?? null
     };
   }