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

devices/serializers.py

@@ -58,6 +58,22 @@ class DeviceSerializer(serializers.ModelSerializer):
         fields = "__all__"
 
 
+class AdminDeviceSerializer(serializers.ModelSerializer):
+    pending_payment_id = serializers.SerializerMethodField()
+
+    def get_pending_payment_id(self, obj):
+        unpaid_payment = (
+            Payment.objects.filter(devices=obj, paid=False)
+            .order_by("-created_at")
+            .first()
+        )
+        return unpaid_payment.id if unpaid_payment else None
+
+    class Meta:  # type: ignore
+        model = Device
+        fields = "__all__"
+
+
 class ReadOnlyDeviceSerializer(serializers.ModelSerializer):
     user = CustomReadOnlyUserSerializer(read_only=True)