+require 'can_be_an_owner'
+
class Group < ArvadosModel
- include AssignUuid
+ include HasUuid
include KindAndEtag
include CommonApiTemplate
+ include CanBeAnOwner
+ after_create :invalidate_permissions_cache
+ after_update :maybe_invalidate_permissions_cache
+ before_create :assign_name
api_accessible :user, extend: :common do |t|
t.add :name
t.add :group_class
t.add :description
+ t.add :writable_by
+ end
+
+ def maybe_invalidate_permissions_cache
+ if uuid_changed? or owner_uuid_changed?
+ # This can change users' permissions on other groups as well as
+ # this one.
+ invalidate_permissions_cache
+ end
+ end
+
+ def invalidate_permissions_cache
+ # Ensure a new group can be accessed by the appropriate users
+ # immediately after being created.
+ User.invalidate_permissions_cache
+ end
+
+ def assign_name
+ if self.new_record? and (self.name.nil? or self.name.empty?)
+ self.name = self.uuid
+ end
+ true
end
+
end