implement credit card listing

uncloud_pay/serializers.py

@@ -6,13 +6,20 @@ from django.utils.translation import gettext_lazy as _
 from .models import *
 
 ###
-# Checked code
+# 2020-12 Checked code
+
+
+class StripeCreditCardSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = StripeCreditCard
+        exclude = ['card_id', "owner" ]
+        read_only_fields = [ "last4", "brand", "expiry_date" ]
+
 
 
 ################################################################################
 # Unchecked code
 
-
 ###
 # Payments and Payment Methods.
 
@@ -21,13 +28,6 @@ class PaymentSerializer(serializers.ModelSerializer):
         model = Payment
         fields = '__all__'
 
-class PaymentMethodSerializer(serializers.ModelSerializer):
-    stripe_card_last4 = serializers.IntegerField()
-
-    class Meta:
-        model = PaymentMethod
-        fields = [ 'source', 'description', 'primary', 'stripe_card_last4', 'active']
-
 class UpdatePaymentMethodSerializer(serializers.ModelSerializer):
     class Meta:
         model = PaymentMethod