public UserView DeleteUser(int id)
{
User user = _organizerContext.User.Where(a => a.Id == id).Single();
_organizerContext.Attach(user);
user.Deleted = true;
_organizerContext.SaveChanges();
return(_organizerContext.User.Where(a => a.Id == user.Id).Select(a => a.MapUserToView()).Single());
}