fix(payment): refine unpaid payment query to include status and expiration checks 🐛

devices/serializers.py

@@ -2,6 +2,7 @@ from rest_framework import serializers
 from .models import Device
 from api.serializers import CustomReadOnlyUserSerializer
 from billing.models import Payment  # Import the Payment model
+from django.utils import timezone
 
 
 class CreateDeviceSerializer(serializers.ModelSerializer):
@@ -48,7 +49,13 @@ class DeviceSerializer(serializers.ModelSerializer):
     def get_pending_payment_id(self, obj):
         # Query the last unpaid payment for the device
         unpaid_payment = (
-            Payment.objects.filter(devices=obj, paid=False)
+            Payment.objects.filter(
+                devices=obj,
+                paid=False,
+                status="PENDING",
+                expires_at__gt=timezone.now(),
+                expires_at__isnull=True,
+            )
             .order_by("-created_at")
             .first()
         )