some changes in inventory serializer - creted date & distribution data

apps/product/signals.py

@@ -1,5 +1,6 @@
 from django.db.models import Sum
 from django.db.models.signals import post_save, post_delete
+from common.helpers import get_organization_by_user
 from django.dispatch import receiver
 from .models import (
     QuotaDistribution,
@@ -13,6 +14,7 @@ from apps.warehouse.models import (
     InventoryEntry
 )
 from django.db import models
+from crum import get_current_user
 
 
 def recalculate_remaining_amount(quota):
@@ -34,10 +36,12 @@ def update_quota_remaining(sender, instance, **kwargs):
 def update_product_stats(instance: Product):
     """ update all stats of product  """
 
-    if hasattr(instance, 'stats'):
-        stat = instance.stats
+    organization = get_organization_by_user(get_current_user())
+
+    if ProductStats.objects.filter(organization=organization, product=instance):
+        stat = instance.stats.get(organization=organization, product=instance)
     else:
-        stat = ProductStats.objects.create(product=instance)
+        stat = ProductStats.objects.create(product=instance, organization=organization)
 
     # number of quotas
     quotas_count = instance.quotas.filter(is_closed=False).count()  # noqa