# Note: This only returns permission links. It does not account for
# permissions obtained via user.is_admin or
# user.uuid==object.owner_uuid.
- has_many :permissions, :foreign_key => :head_uuid, :class_name => 'Link', :primary_key => :uuid, :conditions => "link_class = 'permission'"
+ has_many :permissions, :foreign_key => :head_uuid, :class_name => 'Link', :primary_key => :uuid, :conditions => "link_class = 'permission'", dependent: :destroy
class PermissionDeniedError < StandardError
def http_status
return true
end
+ def destroy_permission_links
+ Link.destroy_all(['link_class=? and (head_uuid=? or tail_uuid=?)',
+ 'permission', uuid, uuid])
+ end
+
def ensure_permission_to_destroy
raise PermissionDeniedError unless permission_to_destroy
end