Merge pull request #369 from alexbarcelo/always_create_permission

creation of Permission-per-Queue is done always

helpdesk/management/commands/create_queue_permissions.py

@@ -3,11 +3,14 @@
 scripts/create_queue_permissions.py -
     Create automatically permissions for all Queues.
 
-    This is typically used when some queues are created before using the flag
-    HELPDESK_ENABLE_PER_QUEUE_PERMISSION, and then Permissions must be added.
+    This is rarely needed. However, one use case is the scenario where the
+    slugs of the Queues have been changed, and thus the Permission should be
+    recreated according to the new slugs.
+
+    No cleanup of permissions is performed.
 
     It should be safe to call this script multiple times or with partial
-    permissions.
+    existing permissions.
 """
 
 from optparse import make_option

helpdesk/migrations/0009_migrate_queuemembership.py

@@ -3,22 +3,14 @@ from __future__ import unicode_literals
 
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import migrations
-from django.conf import settings
 from django.db.utils import IntegrityError
 from django.utils.translation import ugettext_lazy as _
 
 
 def create_and_assign_permissions(apps, schema_editor):
-    # If neither Permission nor Membership mechanism are enabled, ignore the migration
-    if not ((hasattr(settings, 'HELPDESK_ENABLE_PER_QUEUE_STAFF_PERMISSION') and
-            settings.HELPDESK_ENABLE_PER_QUEUE_STAFF_PERMISSION) or
-            (hasattr(settings, 'HELPDESK_ENABLE_PER_QUEUE_STAFF_MEMBERSHIP') and
-            settings.HELPDESK_ENABLE_PER_QUEUE_STAFF_MEMBERSHIP)):
-        return
-
     Permission = apps.get_model('auth', 'Permission')
     ContentType = apps.get_model('contenttypes', 'ContentType')
-    # Otherwise, two steps:
+    # Two steps:
     #   1. Create the permission for existing Queues
     #   2. Assign the permission to user according to QueueMembership objects
 

helpdesk/models.py

@@ -276,11 +276,10 @@ class Queue(models.Model):
                 self.email_box_port = 110
 
         if not self.id:
-            # Always prepare the permission codename
+            # Prepare the permission codename and the permission
+            # (even if they are not needed with the current configuration)
             basename = self.prepare_permission_name()
 
-            # Create the permission only if the flag is active
-            if helpdesk_settings.HELPDESK_ENABLE_PER_QUEUE_STAFF_PERMISSION:
             Permission.objects.create(
                 name=_("Permission for queue: ") + self.title,
                 content_type=ContentType.objects.get(model="queue"),