optimize load balance for inventory list in pos - add new fields to stake holdes

apps/warehouse/pos/api/v1/serializers.py

@@ -1,7 +1,9 @@
 from apps.herd.services.services import get_rancher_statistics, rancher_quota_weight
 from apps.product.services.services import (
     quota_live_stock_allocation_info,
-    quota_incentive_plans_info
+    quota_incentive_plans_info,
+    quota_brokers_value,
+    quota_attribute_value
 )
 from apps.pos_device.pos.api.v1.serializers.device import DeviceSerializer
 from apps.herd.pos.api.v1.serializers import RancherSerializer
@@ -57,6 +59,11 @@ class InventoryEntrySerializer(serializers.ModelSerializer):
                 'id': instance.distribution.quota.product.id,
             }
 
+            representation['pricing'] = {
+                'brokers_info': quota_brokers_value(instance.distribution.quota),
+                'pricing_attributes': quota_attribute_value(instance.distribution.quota)
+            }
+
         if 'rancher' in self.context.keys():
             # rancher herd & live stock statistics
             representation['rancher_statistics'] = get_rancher_statistics(self.context['rancher'])