/// <summary>
/// Add notification type
/// </summary>
/// <param name="notificationType"></param>
/// <returns></returns>
public int AddNotificationType(NotificationTypeDomain notificationType)
{
ValidateNotificationTypeModel(notificationType);
bool codeExists = _repository.GetAllByCode(notificationType.Code).Count > 0;
ValidationHelper.IsFalse(codeExists, NotificationMessages.NotificationTypeCodeExists);
return(_repository.Add(notificationType));
}