private void ProcessUserAttachmentAddEvent(RepositoryMonitorEvent e)
{
var attachment = (UserAttachment)e.Entity;
var userId = attachment.UserId;
if (UserContainAttachment(e.Database, userId) && userId != null)
AddMember(userId, (database) => new string[] { userId });
}
private void ProcessUserAttachmentRemoveEvent(Tuple<DiscoDataContext, int, string, string> e)