organization limit for quota - get org childs

apps/product/signals.py

@@ -1,7 +1,8 @@
 from django.db.models import Sum
 from django.db.models.signals import post_save, post_delete
 from django.dispatch import receiver
-from .models import QuotaDistribution, Quota
+from .models import QuotaDistribution, Quota, Product
+from apps.warehouse.models import InventoryQuotaSaleTransaction
 
 
 def recalculate_remaining_amount(quota):
@@ -18,3 +19,18 @@ def recalculate_remaining_amount(quota):
 @receiver(post_delete, sender=QuotaDistribution)
 def update_quota_remaining(sender, instance, **kwargs):
     recalculate_remaining_amount(instance.quota)
+
+
+def update_product_stats(instance: Product):
+    pass
+
+
+def update_quota_stats(instance: Quota):
+    pass
+
+
+@receiver([post_save, post_delete], sender=QuotaDistribution)
+@receiver([post_save, post_delete], sender=InventoryQuotaSaleTransaction)
+def update_stats_on_change(sender, instance, **kwargs):
+    update_product_stats(instance)
+    update_quota_stats(instance)