add - limitation of organization by is_repeatable org_type

apps/authentication/api/v1/serializers/serializer.py

@@ -4,7 +4,8 @@ from django.contrib.auth.hashers import make_password
 from django.db.models import Q
 from rest_framework import serializers
 
-from apps.authentication.exceptions import UserExistException, OrganizationNationalUniqueIDException
+from apps.authentication.exceptions import UserExistException, OrganizationNationalUniqueIDException, \
+    OrganizationTypeRepeatableException
 from apps.authentication.models import (
     User,
     City,
@@ -231,6 +232,8 @@ class OrganizationSerializer(serializers.ModelSerializer):
         @ validate national_unique_code to be unique
         @ validate to organization type field
         """
+
+        #  check national_unique_id
         national_unique_id = attrs['national_unique_id']
 
         if not self.instance:
@@ -241,6 +244,31 @@ class OrganizationSerializer(serializers.ModelSerializer):
                 if self.Meta.model.objects.filter(national_unique_id=national_unique_id).exists():
                     raise OrganizationNationalUniqueIDException()
 
+        # check organization type field
+        # if is repeatable of type, organization will not be recreating
+        org_type = attrs['type']
+        if not org_type.is_repeatable:
+            if org_type.org_type_field == 'PR' and self.Meta.model.objects.filter(
+                    type=org_type,
+                    province=attrs['province']
+            ).exists():
+                raise OrganizationTypeRepeatableException()
+
+            if org_type.org_type_field == 'CI' and self.Meta.model.objects.filter(
+                    type=org_type,
+                    city=attrs['city']
+            ).exists():
+                raise OrganizationTypeRepeatableException()
+
+            if org_type.org_type_field == 'CO' and self.Meta.model.objects.filter(
+                    type=org_type,
+                    province=attrs['province'],
+                    city=attrs['city']
+            ).exists():
+                raise OrganizationTypeRepeatableException()
+
+        return attrs
+
     def to_representation(self, instance):
         """ Custom output """
         representation = super().to_representation(instance)

apps/authentication/exceptions.py

@@ -27,6 +27,14 @@ class OrganizationNationalUniqueIDException(APIException):
     default_code = 'organization_unique_id_exist'
 
 
+class OrganizationTypeRepeatableException(APIException):
+    """ if organization type is repeatable """
+
+    status_code = status.HTTP_403_FORBIDDEN
+    default_detail = _('این نوع سازمان قابلیت تکرار ندارد و از قبل وجود دارد')  # noqa
+    default_code = 'organization_type_repeatable'
+
+
 class UserExistException(APIException):
     """ if user exist """