subscribe info fix

apps/notification/models.py

@@ -130,6 +130,10 @@ class Subscriber(ProjectBaseMixin):
         query = f'?code={self.update_code}'
         return f'{schema}://{site_domain}{url}{query}'
 
+    @property
+    def active_subscriptions(self):
+        return self.subscription_types.filter(subscriber__subscribe__unsubscribe_date__isnull=True)
+
 
 class Subscribe(ProjectBaseMixin):
     """Subscribe model."""

apps/notification/serializers/common.py

@@ -92,7 +92,7 @@ class SubscribeSerializer(serializers.ModelSerializer):
     """Subscribe serializer."""
 
     email = serializers.EmailField(required=False, source='send_to')
-    subscription_types = serializers.SerializerMethodField(source='get_subscription_types', read_only=True)
+    subscription_types = SubscriptionTypeSerializer(source='active_subscriptions', read_only=True, many=True)
 
     class Meta:
         """Meta class."""
@@ -103,10 +103,3 @@ class SubscribeSerializer(serializers.ModelSerializer):
             'subscription_types',
             'link_to_unsubscribe',
         )
-
-    def get_subscription_types(self, obj):
-        serializer = SubscriptionTypeSerializer(
-            obj.subscribe_set.filter(unsubscribe_date=None).values_list('subscription_type', flat=True),
-            many=True
-        )
-        return serializer.data