From 8fe2cb86aa1ae93121f4b205910ead4165dfa372 Mon Sep 17 00:00:00 2001
From: Sayyid Hamid Mahdavi <sayyidhamidmahdavi@gmail.com>
Date: Sat, 9 Aug 2025 13:16:39 +0330
Subject: [PATCH] phone number validator

---
 accounts/settings.py      |  4 +++-
 apps/users/serializers.py |  2 +-
 utils/exceptions.py       | 50 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 utils/exceptions.py

diff --git a/accounts/settings.py b/accounts/settings.py
index 591a480..a690d19 100644
--- a/accounts/settings.py
+++ b/accounts/settings.py
@@ -67,6 +67,7 @@ MIDDLEWARE = [
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'utils.exceptions.ErrorMiddleware',
 ]
 
 # Tell Django OAuth Toolkit to use the Gooyal Application model
@@ -120,7 +121,8 @@ REST_FRAMEWORK = {
     'DEFAULT_THROTTLE_RATES': {
         'otp_min': '1/min',
         'otp_day': '20/day',
-    }
+    },
+    'EXCEPTION_HANDLER': 'utils.exceptions.exception_handler',
 }
 
 SPECTACULAR_SETTINGS = {
diff --git a/apps/users/serializers.py b/apps/users/serializers.py
index 3b58edc..db40d1e 100644
--- a/apps/users/serializers.py
+++ b/apps/users/serializers.py
@@ -5,7 +5,7 @@ from apps.users.models import User
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 
-phone_number_validator = RegexValidator(regex=r'^\+98\d{10,10}$', message=_(
+phone_number_validator = RegexValidator(regex=r'^\+98[1-9]\d{10}$', message=_(
         "Phone number must be entered in the format: '+989999999999'."
     ),)
 class PublicUserSerializer(serializers.ModelSerializer):
diff --git a/utils/exceptions.py b/utils/exceptions.py
new file mode 100644
index 0000000..28a4f95
--- /dev/null
+++ b/utils/exceptions.py
@@ -0,0 +1,50 @@
+import logging
+
+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):
+    # پاسخ پیش‌فرض DRF را دریافت می‌کنیم
+    response = drf_exception_handler(exc, context)
+
+    if response is not None:
+        # ساختار دلخواه خود را تعریف می‌کنیم
+        response_data = {
+            'success': False,
+            'status_code': response.status_code,
+            'message': 'An error occurred',
+            'details': {}
+        }
+
+        if isinstance(exc, APIException):
+            response_data['message'] = exc.detail if isinstance(exc.detail, str) else "Validation error"
+            response_data['details'] = exc.detail if isinstance(exc.detail, dict) else {}
+
+        response.data = response_data
+
+    return response
+
+
+# در فایل middleware.py
+from django.http import JsonResponse
+
+class ErrorMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        response = self.get_response(request)
+        return response
+
+    def process_exception(self, request, exception):
+        logger.exception(exception)
+        return JsonResponse(
+            {
+                "success": False,
+                "status_code": 500,
+                "message": "Internal server error",
+                "details": str(exception)  # فقط در حالت توسعه! در تولید بهتر است لاگ شود.
+            },
+            status=500
+        )
\ No newline at end of file