Move signal handlers into their own app module

mayan/apps/permissions/apps.py

@@ -2,7 +2,6 @@ from __future__ import unicode_literals
 
 from django import apps
 from django.contrib.auth.models import User
-from django.core.exceptions import ObjectDoesNotExist
 from django.db.models.signals import post_save
 from django.utils.translation import ugettext_lazy as _
 
@@ -11,28 +10,13 @@ from common.menus import (
 )
 from rest_api.classes import APIEndPoint
 
+from .handlers import apply_default_roles
 from .models import Role
 from .links import (
     link_permission_grant, link_permission_revoke, link_role_create,
     link_role_delete, link_role_edit, link_role_list, link_role_members,
     link_role_permissions
 )
-from .settings import DEFAULT_ROLES
-
-
-def user_post_save(sender, instance, **kwargs):
-    if kwargs.get('created', False):
-        for default_role in DEFAULT_ROLES:
-            if isinstance(default_role, Role):
-                # If a model is passed, execute method
-                default_role.add_member(instance)
-            else:
-                # If a role name is passed, lookup the corresponding model
-                try:
-                    role = Role.objects.get(name=default_role)
-                    role.add_member(instance)
-                except ObjectDoesNotExist:
-                    pass
 
 
 class PermissionsApp(apps.AppConfig):
@@ -47,4 +31,4 @@ class PermissionsApp(apps.AppConfig):
         menu_secondary.bind_links(links=[link_role_list, link_role_create], sources=[Role, 'permissions:role_create', 'permissions:role_list'])
         menu_setup.bind_links(links=[link_role_list])
 
-        post_save.connect(user_post_save, sender=User)
+        post_save.connect(apply_default_roles, dispatch_uid='apply_default_roles', sender=User)