Fix payment update updates

uncloud/uncloud_pay/serializers.py

@@ -31,6 +31,11 @@ class PaymentMethodSerializer(serializers.ModelSerializer):
         model = PaymentMethod
         fields = ['uuid', 'source', 'description', 'primary', 'stripe_card_last4', 'active']
 
+class UpdatePaymentMethodSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = PaymentMethod
+        fields = ['description', 'primary']
+
 class ChargePaymentMethodSerializer(serializers.Serializer):
     amount = serializers.DecimalField(max_digits=10, decimal_places=2)
 

uncloud/uncloud_pay/views.py

@@ -41,6 +41,8 @@ class PaymentMethodViewSet(viewsets.ModelViewSet):
     def get_serializer_class(self):
         if self.action == 'create':
             return CreatePaymentMethodSerializer
+        elif self.action == 'update':
+            return UpdatePaymentMethodSerializer
         elif self.action == 'charge':
             return ChargePaymentMethodSerializer
         else: