feat(back-end and front-end) email

frontend/src/app/features/admin/pages/admin-dashboard.component.html

@@ -163,12 +163,10 @@
           </select>
           <button
             type="button"
-            (click)="confirmPayment()"
-            [disabled]="
-              confirmingPayment || selectedOrder.paymentStatus === 'COMPLETED'
-            "
+            (click)="updatePaymentMethod()"
+            [disabled]="confirmingPayment"
           >
-            {{ confirmingPayment ? "Invio..." : "Conferma pagamento" }}
+            {{ confirmingPayment ? "Salvataggio..." : "Cambia metodo pagamento" }}
           </button>
         </div>
       </div>

frontend/src/app/features/admin/pages/admin-dashboard.component.ts

@@ -132,14 +132,14 @@ export class AdminDashboardComponent implements OnInit {
     });
   }
 
-  confirmPayment(): void {
+  updatePaymentMethod(): void {
     if (!this.selectedOrder || this.confirmingPayment) {
       return;
     }
 
     this.confirmingPayment = true;
     this.adminOrdersService
-      .confirmPayment(this.selectedOrder.id, this.selectedPaymentMethod)
+      .updatePaymentMethod(this.selectedOrder.id, this.selectedPaymentMethod)
       .subscribe({
         next: (updatedOrder) => {
           this.confirmingPayment = false;
@@ -147,7 +147,7 @@ export class AdminDashboardComponent implements OnInit {
         },
         error: () => {
           this.confirmingPayment = false;
-          this.errorMessage = 'Conferma pagamento non riuscita.';
+          this.errorMessage = 'Aggiornamento metodo pagamento non riuscito.';
         },
       });
   }

frontend/src/app/features/admin/services/admin-orders.service.ts

@@ -59,7 +59,7 @@ export class AdminOrdersService {
     });
   }
 
-  confirmPayment(orderId: string, method: string): Observable<AdminOrder> {
+  updatePaymentMethod(orderId: string, method: string): Observable<AdminOrder> {
     return this.http.post<AdminOrder>(
       `${this.baseUrl}/${orderId}/payments/confirm`,
       { method },