/// <summary>
/// Changes manager for the specified user
/// </summary>
/// <param name="newManagerId">ID of new user's manager</param>
/// <param name="userId">ID of user that will have their manager changed</param>
/// <returns>User with reassigned manager</returns>
/// <exception cref="ValidationFailedException">When manager reassignment does not meet business requirements</exception>
public User ChangeTeamMember(int newManagerId, int userId)
{
var validationInfo = userValidator.ValidataManagerReassignment(newManagerId, userId);
if (!validationInfo.IsValid)
{
throw new ValidationFailedException(validationInfo);
}
var userForUpdate = usersDao.SelectByID(userId);
userForUpdate.ManagerId = newManagerId;
usersDao.UpdateUser(userForUpdate);
return(userForUpdate);
}