feat: refactor purchase status handling and add finalize endpoint for purchases

app/Domains/Integration/Services/TelepagosWebhookService.php

@@ -55,7 +55,7 @@ class TelepagosWebhookService
 
                 $compra = Purchase::where('tenant_codigo', $tenantCodigo)
                     ->where('dni', $dni)
-                    ->where('status', 'pending')
+                    ->where('status', Purchase::STATUS_PENDING_PAYMENT)
                     ->where('payment_method', 'transfer')
                     ->where('total', $amount)
                     ->latest()
@@ -85,6 +85,11 @@ class TelepagosWebhookService
                     return;
                 }
 
+                if ($compra->status !== Purchase::STATUS_PENDING_PAYMENT) {
+                    Log::warning("Telepagos webhook: Purchase {$compra->id} is not awaiting payment confirmation");
+                    return;
+                }
+
                 $totalAmount = $this->normalizeAmount($compra->getTotalAmount());
 
                 if ($amount !== $totalAmount) {
@@ -112,7 +117,7 @@ class TelepagosWebhookService
             \Illuminate\Support\Facades\DB::transaction(function () use ($compra, $paymentData) {
                 TelepagosPayment::create($paymentData);
                 $this->checkoutService->confirmPurchase($compra);
-                $compra->finalize();
+                $compra->markAsPaid();
             });
 
             Log::info("Telepagos webhook: Successfully processed cashin {$cashinId} for purchase {$compra->id}");