feat(checkout): enhance checkout form with user data pre-filling and disable fields

src/app/core/services/auth/auth.interfaces.ts

@@ -2,6 +2,8 @@ export interface AuthUser {
   id: number;
   nombre_apellido: string;
   email: string;
+  dni?: string;
+  telefono?: string;
 }
 
 export interface LoginPayload {

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

@@ -3,7 +3,14 @@ import { HttpClient } from '@angular/common/http';
 import { firstValueFrom } from 'rxjs';
 
 import { environment } from '../../../environments/environment';
-import { BankAccount } from './tenant.interface';
+
+export interface CreatePurchasePayload {
+  cart_id: number;
+  dni: string;
+  telefono: string;
+  nombre_apellido: string;
+  email: string;
+}
 
 @Injectable({
   providedIn: 'root'
@@ -11,7 +18,7 @@ import { BankAccount } from './tenant.interface';
 export class CheckoutService {
   private readonly http = inject(HttpClient);
 
-  async createPurchase(tenantCode: string, payload: any): Promise<{ id: number }> {
+  async createPurchase(tenantCode: string, payload: CreatePurchasePayload): Promise<{ id: number }> {
     const response = await firstValueFrom(
       this.http.post<{ data: { id: number } }>(`${environment.url}tenants/${tenantCode}/compras`, payload)
     );

src/app/features/store/pages/checkout-page/checkout-data-step.component.html

@@ -15,6 +15,7 @@
         placeholder="Descripcion"
         [value]="form().controls.nombre.value"
         [invalid]="showControlError('nombre')"
+        [disabled]="form().controls.nombre.disabled"
         (valueChange)="updateField('nombre', $event)"
       />
       @if (getControlError('nombre'); as errorMessage) {
@@ -32,6 +33,7 @@
         placeholder="Descripcion"
         [value]="form().controls.email.value"
         [invalid]="showControlError('email')"
+        [disabled]="form().controls.email.disabled"
         (valueChange)="updateField('email', $event)"
       />
       @if (getControlError('email'); as errorMessage) {
@@ -49,6 +51,7 @@
         placeholder="Descripcion"
         [value]="form().controls.dni.value"
         [invalid]="showControlError('dni')"
+        [disabled]="form().controls.dni.disabled"
         (valueChange)="updateField('dni', $event)"
       />
       @if (getControlError('dni'); as errorMessage) {
@@ -66,6 +69,7 @@
         placeholder="Descripcion"
         [value]="form().controls.telefono.value"
         [invalid]="showControlError('telefono')"
+        [disabled]="form().controls.telefono.disabled"
         (valueChange)="updateField('telefono', $event)"
       />
       @if (getControlError('telefono'); as errorMessage) {

src/app/features/store/pages/checkout-page/checkout-page.component.ts

@@ -5,7 +5,8 @@ import { startWith } from 'rxjs';
 
 import { CartService } from '../../../../core/services/cart/cart.service';
 import { TenantService } from '../../../../core/services/tenant.service';
-import { CheckoutService } from '../../../../core/services/checkout.service';
+import { CheckoutService, CreatePurchasePayload } from '../../../../core/services/checkout.service';
+import { AuthService } from '../../../../core/services/auth/auth.service';
 import { BankAccount } from '../../../../core/services/tenant.interface';
 import { CartItem } from '../../../../core/services/cart/cart.interface';
 import { CartComponent, CartItemMock } from '../../../../shared/components/cart/cart.component';
@@ -35,6 +36,7 @@ export class CheckoutPageComponent {
   private readonly router = inject(Router);
   private readonly tenantService = inject(TenantService);
   private readonly checkoutService = inject(CheckoutService);
+  private readonly authService = inject(AuthService);
 
   @ViewChild(StepperComponent) stepper!: StepperComponent;
 
@@ -84,6 +86,18 @@ export class CheckoutPageComponent {
     this.form.statusChanges
       .pipe(startWith(this.form.status))
       .subscribe(() => this.isStep1Valid.set(this.form.valid));
+
+    const user = this.authService.user();
+    if (user) {
+      this.form.patchValue({
+        nombre: user.nombre_apellido,
+        email: user.email,
+        dni: user.dni ?? '',
+        telefono: user.telefono ?? ''
+      });
+      this.form.controls.nombre.disable();
+      this.form.controls.email.disable();
+    }
   }
 
   private mapCartItemToMock(item: CartItem): CartItemMock {
@@ -125,15 +139,18 @@ export class CheckoutPageComponent {
     this.isCreatingPurchase.set(true);
 
     try {
-      const cartItems = this.cartService.cart()?.items || [];
+      const cart = this.cartService.cart();
+      if (!cart?.id) {
+        throw new Error('No hay un carrito activo para finalizar la compra.');
+      }
+
       const formValue = this.form.getRawValue();
-      const payload = {
-        ...formValue,
+      const payload: CreatePurchasePayload = {
+        cart_id: cart.id,
+        dni: formValue.dni,
+        telefono: formValue.telefono,
+        email: formValue.email,
         nombre_apellido: formValue.nombre,
-        items: cartItems.map((item) => ({
-          producto_variante_id: item.product_variant_id,
-          cantidad: item.cantidad
-        }))
       };
 
       const response = await this.checkoutService.createPurchase(tenant.codigo, payload);