Add a "Remember me" checkbox to the username and email login forms.

Add AUTHENTICATION_MAXIMUM_SESSION_LENGTH configuration setting for the maximum
time an user's login session will remain valid. Defaults to 30 days.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/authentication/settings.py

@@ -4,11 +4,20 @@ from django.utils.translation import ugettext_lazy as _
 
 from smart_settings import Namespace
 
+from .literals import DEFAULT_LOGIN_METHOD, DEFAULT_MAXIMUM_SESSION_LENGTH
+
 namespace = Namespace(name='authentication', label=_('Authentication'))
 setting_login_method = namespace.add_setting(
-    global_name='AUTHENTICATION_LOGIN_METHOD', default='username',
+    global_name='AUTHENTICATION_LOGIN_METHOD', default=DEFAULT_LOGIN_METHOD,
     help_text=_(
         'Controls the mechanism used to authenticated user. Options are: '
         'username, email'
     )
 )
+setting_maximum_session_length = namespace.add_setting(
+    global_name='AUTHENTICATION_MAXIMUM_SESSION_LENGTH',
+    default=DEFAULT_MAXIMUM_SESSION_LENGTH, help_text=_(
+        'Maximum type an user clicking the "Remember me" checkbox will '
+        'remain logged in. Value is time in seconds.'
+    )
+)