Add browser cookie support for timezone middleware.

mayan/apps/common/handlers.py

@@ -17,9 +17,10 @@ def user_locale_profile_session_config(sender, request, user, **kwargs):
 
         if hasattr(request, 'session'):
             request.session[translation.LANGUAGE_SESSION_KEY] = user_locale_profile.language
-            request.session['django_timezone'] = user_locale_profile.timezone
+            request.session[settings.TIMEZONE_SESSION_KEY] = user_locale_profile.timezone
         else:
             request.set_cookie(settings.LANGUAGE_COOKIE_NAME, user_locale_profile.language)
+            request.set_cookie(settings.TIMEZONE_COOKIE_NAME, user_locale_profile.timezone)
 
 
 def user_locale_profile_create(sender, instance, created, **kwargs):

mayan/apps/common/middleware/timezone.py

@@ -2,17 +2,18 @@ from __future__ import unicode_literals
 
 import pytz
 
+from django.conf import settings
 from django.utils import timezone
 
 
 class TimezoneMiddleware(object):
     def process_request(self, request):
         if hasattr(request, 'session'):
-            tzname = request.session.get('django_timezone')
-            if tzname:
-                timezone.activate(pytz.timezone(tzname))
-            else:
-                timezone.deactivate()
+            tzname = request.session.get(settings.TIMEZONE_SESSION_KEY)
+        else:
+            tzname = HttpRequest.COOKIES.get(settings.TIMEZONE_COOKIE_NAME)
+
+        if tzname:
+            timezone.activate(pytz.timezone(tzname))
         else:
-            # TODO: Cookie, browser based timezone
             timezone.deactivate()

mayan/apps/common/views.py

@@ -554,9 +554,10 @@ def current_user_locale_profile_edit(request):
 
             if hasattr(request, 'session'):
                 request.session[translation.LANGUAGE_SESSION_KEY] = form.cleaned_data['language']
-                request.session['django_timezone'] = form.cleaned_data['timezone']
+                request.session[settings.TIMEZONE_SESSION_KEY] = form.cleaned_data['timezone']
             else:
                 request.set_cookie(settings.LANGUAGE_COOKIE_NAME, form.cleaned_data['language'])
+                request.set_cookie(settings.TIMEZONE_COOKIE_NAME, form.cleaned_data['timezone'])
 
             messages.success(request, _('Current user\'s locale profile details updated.'))
             return HttpResponseRedirect(next)

mayan/settings/base.py

@@ -271,3 +271,6 @@ CORS_ORIGIN_ALLOW_ALL = True
 SWAGGER_SETTINGS = {
     'api_version': '0',  # Specify your API's version
 }
+# ------ Timezone --------
+TIMEZONE_COOKIE_NAME = 'django_timezone'
+TIMEZONE_SESSION_KEY = 'django_timezone'