better exception

utils/exceptions.py

@@ -6,6 +6,8 @@ from rest_framework.exceptions import APIException
 from rest_framework.views import exception_handler as drf_exception_handler
 
 logger = logging.getLogger(__name__)
+
+
 def exception_handler(exc, context):
     logger.exception(exc)
     # پاسخ پیش‌فرض DRF را دریافت می‌کنیم
@@ -15,8 +17,8 @@ def exception_handler(exc, context):
         response_data = {
             'success': False,
             'status_code': response.status_code,
-            'status_message': str(exc.default_detail),
-            'details': exc.detail,
+            'status_message': str(getattr(exc, 'default_detail', exc)),
+            'details': getattr(exc, 'detail', None),
         }
 
         if isinstance(exc, APIException):
@@ -44,7 +46,10 @@ def exception_handler(exc, context):
             #     message = error
             #
             # response_data['message'] = message
-            response_data['details'] = exc.detail if isinstance(exc.detail, dict) else {}
+            if isinstance(exc.detail, dict):
+                response_data['details'] = exc.detail
+            else:
+                response_data['details'] = {"message": exc.detail}
             response_data['details']['error'] = error
             response_data['details']['timestamp'] = timezone.now().isoformat()
 
@@ -56,6 +61,7 @@ def exception_handler(exc, context):
 # در فایل middleware.py
 from django.http import JsonResponse
 
+
 class ErrorMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
@@ -76,6 +82,7 @@ class ErrorMiddleware:
             status=500
         )
 
+
 from rest_framework.exceptions import APIException
 from rest_framework import status
 from django.utils.translation import gettext_lazy as _
@@ -86,8 +93,16 @@ class UnprocessableEntity(APIException):
     default_detail = 'The request was well-formed but cannot be processed due to semantic errors.'
     default_code = 'unprocessable_entity'
 
+
 class ServiceUnavailable(APIException):
     status_code = status.HTTP_503_SERVICE_UNAVAILABLE
     default_ = _('SERVICE_UNAVAILABLE')
     default_code = 'service_unavailable'
     default_detail = 'Service Unavailable'
+
+
+class Conflict(APIException):
+    status_code = status.HTTP_409_CONFLICT
+    default_ = _('CONFLICT')
+    default_code = 'conflict'
+    default_detail = 'Conflict'