public class SamanGatewayAccountService : IGatewayAccountSource<SamanGatewayAccount>
    {
        #region Fields

        private readonly BankGatewayService _bankGatewayService;

        #endregion Fields

        #region Methods

        #region Constructors

        public SamanGatewayAccountService(BankGatewayService bankGatewayService)
        {
            _bankGatewayService = bankGatewayService;
            _bankGatewayService.CheckArgumentIsNull();
        }

        #endregion Constructors

        #region Add Acount

        public async Task AddAccountsAsync(IGatewayAccountCollection<SamanGatewayAccount> accounts)
        {
            var parbadGatewayViewModel = await _bankGatewayService.GetParbadGatewayAsync(GatewayType.Saman);
            accounts.Add(new SamanGatewayAccount
            {
                Name = GatewayType.Saman.Name,
                MerchantId = parbadGatewayViewModel.MerchentId,
                Password = parbadGatewayViewModel.Password
            });
        }

        #endregion Add Acount

        #endregion Methods
    }