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- from django.utils.translation import ugettext_lazy as _
- from misago.acl import algebra
- from misago.core import forms
- from misago.forums.models import Forum, RoleForumACL, ForumRole
- """
- Admin Permissions Form
- """
- class PermissionsForm(forms.Form):
- legend = _("Forum access")
- can_see = forms.YesNoSwitch(label=_("Can see forum"))
- can_browse = forms.YesNoSwitch(label=_("Can see forum contents"))
- def change_permissions_form(role):
- if isinstance(role, ForumRole):
- return PermissionsForm
- else:
- return None
- """
- ACL Builder
- """
- def build_acl(acl, roles, key_name):
- new_acl = {
- 'visible_forums': [],
- 'forums': {},
- }
- new_acl.update(acl)
- forums_roles = get_forums_roles(roles)
- for forum in Forum.objects.all_forums():
- build_forum_acl(new_acl, forum, forums_roles, key_name)
- return new_acl
- def get_forums_roles(roles):
- queryset = RoleForumACL.objects.filter(role__in=roles)
- queryset = queryset.select_related('forum_role')
- forums_roles = {}
- for acl_relation in queryset.iterator():
- forum_role = acl_relation.forum_role
- forums_roles.setdefault(acl_relation.forum_id, []).append(forum_role)
- return forums_roles
- def build_forum_acl(acl, forum, forums_roles, key_name):
- if forum.level > 1:
- if forum.parent_id not in acl['visible_forums']:
- # dont bother with child forums of invisible parents
- return
- elif not acl['forums'][forum.parent_id]['can_browse']:
- # parent's visible, but its contents aint
- return
- forum_roles = forums_roles.get(forum.pk, [])
- final_acl = {
- 'can_see': 0,
- 'can_browse': 0,
- }
- algebra.sum_acls(
- final_acl, roles=forum_roles, key=key_name,
- can_see=algebra.greater,
- can_browse=algebra.greater)
- if final_acl['can_see']:
- acl['visible_forums'].append(forum.pk)
- acl['forums'][forum.pk] = final_acl
- """
- ACL's for targets
- """
- """
- ACL's for tests
- """
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