feat(filters, serializers): add user filtering and enhance user serialization in Payment and Device models ✨

billing/serializers.py

@@ -1,11 +1,23 @@
 from rest_framework import serializers
 from .models import Payment, Topup
-from devices.serializers import DeviceSerializer
+from devices.serializers import AdminDeviceSerializer
 
 
 class PaymentSerializer(serializers.ModelSerializer):
-    devices = DeviceSerializer(many=True, read_only=True)
+    devices = AdminDeviceSerializer(many=True, read_only=True)
     is_expired = serializers.SerializerMethodField()
+    user = serializers.SerializerMethodField()
+
+    def get_user(self, obj):
+        user = obj.user
+        if user:
+            return {
+                "id": user.id,
+                "name": user.first_name + " " + user.last_name,
+                "id_card": user.id_card,
+                "mobile": user.mobile,
+            }
+        return None
 
     def get_is_expired(self, obj):
         return obj.is_expired