feat: reativar assinatura cancelada

src/BCards.Web/Controllers/SubscriptionController.cs

@@ -131,8 +131,8 @@ public class SubscriptionController : Controller
 
         try
         {
-            // Remover agendamento de cancelamento
+            // Reativar assinatura removendo o agendamento de cancelamento
-            var success = await _paymentService.CancelSubscriptionAtPeriodEndAsync(subscriptionId);
+            var success = await _paymentService.ReactivateSubscriptionAsync(subscriptionId);
             
             if (success)
             {

src/BCards.Web/Services/IPaymentService.cs

@@ -21,6 +21,7 @@ public interface IPaymentService
     // Métodos para cancelamento com diferentes políticas
     Task<bool> CancelSubscriptionImmediatelyAsync(string subscriptionId, bool refund = false);
     Task<bool> CancelSubscriptionAtPeriodEndAsync(string subscriptionId);
+    Task<bool> ReactivateSubscriptionAsync(string subscriptionId);
     Task<Refund> CreatePartialRefundAsync(string subscriptionId, decimal refundAmount);
     Task<(bool CanRefundFull, bool CanRefundPartial, decimal RefundAmount)> CalculateRefundAsync(string subscriptionId);
 }

src/BCards.Web/Services/PaymentService.cs

@@ -479,6 +479,35 @@ public class PaymentService : IPaymentService
         }
     }
     
+    public async Task<bool> ReactivateSubscriptionAsync(string subscriptionId)
+    {
+        try
+        {
+            var service = new SubscriptionService();
+            var options = new SubscriptionUpdateOptions
+            {
+                CancelAtPeriodEnd = false // Reativar removendo o agendamento de cancelamento
+            };
+            
+            await service.UpdateAsync(subscriptionId, options);
+            
+            // Atualizar subscription local
+            var localSubscription = await _subscriptionRepository.GetByStripeSubscriptionIdAsync(subscriptionId);
+            if (localSubscription != null)
+            {
+                localSubscription.CancelAtPeriodEnd = false;
+                localSubscription.UpdatedAt = DateTime.UtcNow;
+                await _subscriptionRepository.UpdateAsync(localSubscription);
+            }
+            
+            return true;
+        }
+        catch (StripeException)
+        {
+            return false;
+        }
+    }
+    
     public async Task<Refund> CreatePartialRefundAsync(string subscriptionId, decimal refundAmount)
     {
         // NOTA: Para planos de assinatura, reembolsos devem ser processados manualmente via Stripe Dashboard