public async Task Execute(RefundInput input)
{
IAccount account = await _accountRepository.Get(input.AccountId);
if (account == null)
{
_outputHandler.Error($"The account {input.AccountId} does not exist or is already closed.");
return;
}
IDebit debit = account.Withdraw(_entityFactory, input.Amount);
if (debit == null)
{
_outputHandler.Error($"The account {input.AccountId} does not have enough funds to withdraw {input.Amount}.");
return;
}
await _accountRepository.Update(account, debit);
// Publish the event to the enterprice service bus
await _serviceBus.PublishEventAsync(new Shared.Events.WithdrawCompleted()
{
AccountId = input.AccountId, Amount = input.Amount.ToMoney().ToDecimal()
});
await _unitOfWork.Save();
RefundOutput output = new RefundOutput(
debit,
account.GetCurrentBalance()
);
_outputHandler.Default(output);
}
/// <summary>
/// 退款申请接口
/// </summary>
/// <param name="model">The model<see cref="RefundRequest" /></param>
/// <returns></returns>
public RefundOutput Refund(RefundRequest model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (model.TotalFee < 0)
{
throw new WeChatPayException("订单额不能小于0！");
}
if (model.RefundFee < 0)
{
throw new WeChatPayException("退款金额不能小于0！");
}
if (string.IsNullOrEmpty(model.OutTradeNo) && string.IsNullOrEmpty(model.TransactionId))
{
throw new WeChatPayException("商户订单号与微信订单号必须传入其中一个！");
}
if (model.TotalFee < model.RefundFee)
{
throw new WeChatPayException("退款金额不能大于订单金额！");
}
var url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
RefundOutput result = null;
try
{
var config = GetConfig();
;
model.AppId = config.PayAppId;
model.MchId = config.MchId;
model.NonceStr = _weChatPayHelper.GetNoncestr();
model.OpUserId = config.MchId;
//本地或者服务器的证书位置（证书在微信支付申请成功发来的通知邮件中）
var cert = config.PayCertPath;
//商户证书调用或安装都需要使用到密码，该密码的值为微信商户号（mch_id）
var password = config.MchId;
//调用证书
var cer = new X509Certificate2(cert, password,
X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet);
var dictionary = _weChatPayHelper.GetDictionaryByType(model);
model.Sign = _weChatPayHelper.CreateMd5Sign(dictionary, config.TenPayKey); //生成Sign
result = _weChatPayHelper.PostXML <RefundOutput>(url, model, cer);
}
catch (Exception ex)
{
WeChatPayHelper.LoggerAction?.Invoke(nameof(WeChatPayApi), ex.ToString());
}
return(result);
}
public void Default(RefundOutput withdrawOutput)
{
var withdrawResponse = new RefundResponse(
withdrawOutput.Transaction.Amount,
withdrawOutput.Transaction.Description,
withdrawOutput.Transaction.TransactionDate,
withdrawOutput.UpdatedBalance
);
ViewModel = new ObjectResult(withdrawResponse);
}
public void Default(RefundOutput output)
{
Refunds.Add(output);
}