shared task for send notif and sms

backend/order/models.py

@@ -66,9 +66,11 @@ class OrderModel(models.Model):
 
 
     def save(self, *args, **kwargs):
+        # genrate order id
         if not self.pk:
             last_instance = self.__class__.objects.order_by("pk").last()
             self.order_id = (last_instance.pk + 1001) if last_instance else 1001
+            
         super().save(*args, **kwargs)