add - new changes on OrganizationQuotaStat & calculative signals on quota/distribution

apps/warehouse/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 apps.product.models import QuotaDistribution
+
+from apps.product.models import QuotaDistribution, OrganizationQuotaStats
 from .models import InventoryEntry, InventoryQuotaSaleItem
 
 
@@ -67,3 +68,17 @@ def update_distribution_warehouse_sold_and_balance(sender, instance: InventoryQu
             )
     else:
         print("quota distribution is null - warehouse app signals")
+
+
+@receiver(post_save, sender=InventoryQuotaSaleItem)
+def update_quota_stats_on_sale(sender, instance: InventoryQuotaSaleItem, created, **kwargs):
+    if instance.transaction.transaction_status == 'success':
+        return
+
+    stats = OrganizationQuotaStats.objects.filter(
+        organization=instance.quota_distribution.assigned_organization,
+        quota=instance.quota_distribution.quota
+    ).first()
+
+    if stats:
+        stats.update_amounts()