select_for_update to quota_id & add allowed cors origin new arg

apps/product/models.py

@@ -1,13 +1,16 @@
-from apps.authentication.models import OrganizationType, Organization
+from datetime import datetime
+
+import jdatetime
 from django.contrib.postgres.fields import ArrayField
+from django.db import models
+from django.db import transaction
 from simple_history.models import HistoricalRecords
+
+from apps.authentication.models import OrganizationType, Organization
 from apps.authorization.models import UserRelations
-from apps.livestock.models import LiveStockType
 from apps.core.models import BaseModel
 from apps.herd.models import Rancher
-from datetime import datetime
-from django.db import models
-import jdatetime
+from apps.livestock.models import LiveStockType
 
 
 class LivestockGroup(models.TextChoices):
@@ -406,12 +409,16 @@ class Quota(BaseModel):
     def generate_quota_id(self):  # noqa
         """ generate id for quota from 1001 """
 
-        last = Quota.objects.filter(quota_id__gte=1001, quota_id__lte=1999).order_by('-quota_id').first()
-        if last:
-            next_code = last.quota_id + 1
-        else:
-            next_code = 1001
-        return next_code
+        with transaction.atomic():
+            last = Quota.objects.filter(
+                quota_id__gte=10001,
+                quota_id__lte=19999
+            ).select_for_update().order_by('-quota_id').first()
+            if last:
+                next_code = last.quota_id + 1
+            else:
+                next_code = 1001
+            return next_code
 
     def calculate_final_price(self):
         """ calculate final price of quota """

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

@@ -1,38 +1,30 @@
+from django.db import models
+from django.db.models import Q
+from django.db.transaction import atomic
+from rest_framework import serializers
+
+from apps.herd.models import Rancher
+from apps.herd.pos.api.v1.serializers import RancherSerializer
 from apps.herd.services.services import get_rancher_statistics, rancher_quota_weight
+from apps.pos_device.models import POSFreeProducts
+from apps.pos_device.pos.api.v1.serializers.device import DeviceSerializer
+from apps.pos_device.services.services import pos_organizations_sharing_information
+from apps.product.exceptions import DistributionWeightException
+from apps.product.models import (
+    QuotaDistribution,
+    Product
+)
 from apps.product.services.services import (
     quota_live_stock_allocation_info,
     quota_incentive_plans_info,
-    quota_brokers_value,
     quota_attribute_value
 )
-from apps.pos_device.services.services import pos_organizations_sharing_information
+from apps.warehouse import models as warehouse_models
 from apps.warehouse.services.quota_usage_services import QuotaUsageService
-from apps.pos_device.pos.api.v1.serializers.device import DeviceSerializer
-from apps.product.exceptions import DistributionWeightException
-from apps.pos_device.models import POSFreeProducts
 from apps.warehouse.services.services import (
     create_extra_sale,
     create_pre_sale
 )
-from apps.herd.pos.api.v1.serializers import RancherSerializer
-from apps.product.models import (
-    QuotaDistribution,
-    Product,
-    QuotaUsage,
-    IncentivePlan
-)
-from apps.warehouse import models as warehouse_models
-from apps.livestock.models import LiveStockType
-from django.db.models.signals import post_save
-from apps.core.models import SystemConfig
-from django.db.transaction import atomic
-from apps.warehouse.exceptions import (
-    TotalInventorySaleException
-)
-from rest_framework import serializers
-from apps.herd.models import Rancher
-from django.db.models import Q
-from django.db import models
 
 
 class InventoryEntrySerializer(serializers.ModelSerializer):
@@ -66,6 +58,7 @@ class InventoryEntrySerializer(serializers.ModelSerializer):
                 'sale_unit': instance.distribution.quota.sale_unit.unit,
                 'id': instance.distribution.id
             }
+
             representation['quota'] = {
                 'quota_identity': instance.distribution.quota.quota_id,
                 'quota_weight': instance.distribution.quota.quota_weight,
@@ -74,6 +67,7 @@ class InventoryEntrySerializer(serializers.ModelSerializer):
                 ),
                 'quota_incentive_plans': quota_incentive_plans_info(instance.distribution.quota)
             }
+
             representation['product'] = {
                 'image': instance.distribution.quota.product.img,
                 'name': instance.distribution.quota.product.name,