free sale of inventory entry system deployment - add dhi state to rancher

apps/product/exceptions.py

@@ -10,6 +10,14 @@ class QuotaWeightException(APIException):
     default_code = 'error'
 
 
+class DistributionWeightException(APIException):
+    """ if sale transaction weight is more than distribution weight """
+
+    status_code = status.HTTP_400_BAD_REQUEST
+    default_detail = 'مقدار وزن وارد شده بیشتر از وزن سهمیه توزیع شده میباشد.'  # noqa
+    default_code = 'error'
+
+
 class QuotaClosedException(APIException):
     """ if quota is closed, operations can not be done """