private async Task <EWallet> GenerateEWalletByDeduct(DeductResource deductResource, string userId)
{
var eWallet = await _eWalletRepository.FindByUserIdAsync(userId);
if (eWallet == null)
{
throw new Exception(string.Format(Constants.DeductUserNotExistsErrMsg, userId));
}
if (ExistSuccessDeductTransactionId(deductResource.TransactionId, eWallet.DeductHistories))
{
var errorMessage = string.Format(Constants.TransactionIdExistsErrMsg, deductResource.TransactionId);
await SaveDeductHistory(deductResource, eWallet, Status.Fail, errorMessage);
throw new Exception(errorMessage);
}
if (!(eWallet.Balance >= deductResource.Amount))
{
var errorMessage = string.Format(Constants.BalanceLessThanDeductionErrMsg,
deductResource.TransactionId, eWallet.Balance, deductResource.Amount);
await SaveDeductHistory(deductResource, eWallet, Status.Fail, errorMessage);
throw new Exception(errorMessage);
}
eWallet.Balance -= deductResource.Amount;
await SaveDeductHistory(deductResource, eWallet, Status.Success);
return(eWallet);
}
private async Task <EWallet> SaveDeductHistory(DeductResource deductResource, EWallet eWallet, Status status,
string errorMessage = "")
{
var deductHistory = _mapper.Map <DeductResource, DeductHistory>(deductResource);
deductHistory.Status = status;
deductHistory.Comment = errorMessage;
eWallet.DeductHistories.Add(deductHistory);
eWallet.LastUpdateDate = deductResource.ActionDate;
_eWalletRepository.AddOrUpdateEWallet(eWallet, false);
await _unitOfWork.CompleteAsync();
return(eWallet);
}
public async Task <SaveTransactionResponse> SaveDeductAsync(DeductResource deductResource, string userId)
{
try
{
var eWallet = await GenerateEWalletByDeduct(deductResource, userId);
await _unitOfWork.CompleteAsync();
return(new SaveTransactionResponse(eWallet));
}
catch (Exception ex)
{
var errorMessage = string.Format(Constants.DeductWrapperErrMsg, ex.Message);
_logger.LogError(errorMessage);
return(new SaveTransactionResponse(
errorMessage));
}
}
public async Task <IActionResult> SaveDeductAsync([FromBody] DeductResource resource)
{
var userId = getUserIdFromAuthHeader();
_logger.LogInformation("saveDeduct Request:" + JsonConvert.SerializeObject(resource));
if (!ModelState.IsValid)
{
return(BadRequest(ModelState.GetErrorMessages()));
}
var result = await _eWalletService.SaveDeductAsync(resource, userId);
if (!result.BaseResponse.Success)
{
return(BadRequest(result.BaseResponse.Message));
}
var eWalletResource = _mapper.Map <EWallet, TopUpDeductionResource>(result.EWallet);
eWalletResource.TransactionId = resource.TransactionId;
_logger.LogInformation("saveDeduct Response:" + JsonConvert.SerializeObject(eWalletResource));
return(Ok(eWalletResource));
}