Features: 1) Add CustomLocaleMiddleware for language normalization and activation.

Fixes: None;

Extra: 1) Add CustomLocaleMiddleware to middleware stack in base settings; 2) Add missing import for LocaleMiddleware and translation module; 3) Refactor locale handling by extending LocaleMiddleware.

evibes/middleware.py

@@ -7,7 +7,9 @@ from django.contrib.auth.models import AnonymousUser
 from django.core.exceptions import DisallowedHost
 from django.http import HttpResponseForbidden
 from django.middleware.common import CommonMiddleware
+from django.middleware.locale import LocaleMiddleware
 from django.shortcuts import redirect
+from django.utils import translation
 from rest_framework_simplejwt.authentication import JWTAuthentication
 from rest_framework_simplejwt.exceptions import InvalidToken
 from sentry_sdk import capture_exception
@@ -23,6 +25,21 @@ class CustomCommonMiddleware(CommonMiddleware):
             return redirect(f"https://api.{config.BASE_DOMAIN}")
 
 
+class CustomLocaleMiddleware(LocaleMiddleware):
+    def process_request(self, request):
+        lang = translation.get_language_from_request(request)
+        parts = lang.replace('_', '-').split('-')
+        if len(parts) == 2:
+            lang_code = parts[0].lower()
+            region = parts[1].upper()
+            normalized = f"{lang_code}-{region}"
+        else:
+            normalized = lang
+
+        translation.activate(normalized)
+        request.LANGUAGE_CODE = normalized
+
+
 class GrapheneJWTAuthorizationMiddleware:
     def resolve(self, next, root, info, **args):
         context = info.context

evibes/settings/base.py

@@ -108,6 +108,7 @@ MIDDLEWARE = [
     "django.contrib.messages.middleware.MessageMiddleware",
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
     "django.middleware.locale.LocaleMiddleware",
+    "evibes.middleware.CustomLocaleMiddleware",
     "django_hosts.middleware.HostsResponseMiddleware",
     "djangorestframework_camel_case.middleware.CamelCaseMiddleWare",
 ]