private async Task <Money18> ConvertVoucherPriceToTokensAsync(Guid customerId, Guid spendRuleId, decimal price)
{
var conversionRequest = new ConvertAmountBySpendRuleRequest
{
CustomerId = customerId,
Amount = price,
FromCurrency = _settingsService.GetBaseCurrencyCode(),
ToCurrency = _settingsService.GetTokenCurrencyCode(),
SpendRuleId = spendRuleId
};
var conversionResponse =
await _eligibilityEngineClient.ConversionRate.GetAmountBySpendRuleAsync(conversionRequest);
if (conversionResponse.ErrorCode != EligibilityEngineErrors.None)
{
_log.Warning("An error occurred while converting amount.",
context: $"request: {conversionRequest.ToJson()}; error: {conversionResponse.ErrorCode}");
throw new InvalidConversionException();
}
return(conversionResponse.Amount);
}
public async Task <PaymentTransfersErrorCodes> PaymentTransferAsync(PaymentTransferDto paymentTransfer)
{
#region Validation
if (!await CheckIfCustomerExists(paymentTransfer.CustomerId))
{
return(PaymentTransfersErrorCodes.CustomerDoesNotExist);
}
if (await CheckIfCustomerWalletIsBlocked(paymentTransfer.CustomerId))
{
return(PaymentTransfersErrorCodes.CustomerWalletBlocked);
}
var isCampaignIdGuid = Guid.TryParse(paymentTransfer.SpendRuleId, out var campaignIdAsGuid);
if (!isCampaignIdGuid)
{
return(PaymentTransfersErrorCodes.InvalidSpendRuleId);
}
var campaignResult = await _campaignClient.BurnRules.GetByIdAsync(campaignIdAsGuid);
if (campaignResult.ErrorCode == CampaignServiceErrorCodes.EntityNotFound)
{
return(PaymentTransfersErrorCodes.SpendRuleNotFound);
}
if (campaignResult.Vertical != Vertical.RealEstate)
{
return(PaymentTransfersErrorCodes.InvalidVerticalInSpendRule);
}
//We can have either amount in Tokens or in Fiat
if (paymentTransfer.AmountInFiat != null && paymentTransfer.AmountInTokens != null)
{
return(PaymentTransfersErrorCodes.CannotPassBothFiatAndTokensAmount);
}
//Fiat or Tokens Amount must be provided
if (paymentTransfer.AmountInFiat == null && paymentTransfer.AmountInTokens == null)
{
return(PaymentTransfersErrorCodes.EitherFiatOrTokensAmountShouldBePassed);
}
if (paymentTransfer.AmountInTokens != null && paymentTransfer.AmountInTokens <= 0)
{
return(PaymentTransfersErrorCodes.InvalidTokensAmount);
}
if (paymentTransfer.AmountInFiat != null && paymentTransfer.AmountInFiat <= 0)
{
return(PaymentTransfersErrorCodes.InvalidFiatAmount);
}
#endregion
var conversionRequest = new ConvertAmountBySpendRuleRequest
{
CustomerId = Guid.Parse(paymentTransfer.CustomerId),
Amount = paymentTransfer.AmountInTokens ?? paymentTransfer.AmountInFiat.Value,
FromCurrency = paymentTransfer.AmountInTokens.HasValue ? _settingsService.GetTokenCurrencyCode() : paymentTransfer.Currency,
ToCurrency = paymentTransfer.AmountInTokens.HasValue ? paymentTransfer.Currency : _settingsService.GetTokenCurrencyCode(),
SpendRuleId = campaignIdAsGuid
};
var conversionResponse = await _eligibilityEngineClient.ConversionRate.GetAmountBySpendRuleAsync(conversionRequest);
if (conversionResponse.ErrorCode != EligibilityEngineErrors.None)
{
_log.Warning("Invalid amount conversion when trying to add payment transfer", context: conversionRequest);
return(PaymentTransfersErrorCodes.InvalidAmountConversion);
}
if (paymentTransfer.AmountInFiat == null)
{
paymentTransfer.AmountInFiat = (decimal)conversionResponse.Amount;
}
else
{
paymentTransfer.AmountInTokens = conversionResponse.Amount;
}
var transferId = Guid.NewGuid();
var transferIdAsString = transferId.ToString();
var receiptNumber = await GenerateReceiptNumberAsync();
paymentTransfer.TransferId = transferIdAsString;
paymentTransfer.ReceiptNumber = receiptNumber;
paymentTransfer.InvoiceId = receiptNumber;
paymentTransfer.Timestamp = DateTime.UtcNow;
var encodedData = EncodePaymentTransferData(paymentTransfer.SpendRuleId, receiptNumber, transferIdAsString);
var pbfTransferResponse = await _pbfClient.GenericTransfersApi.GenericTransferAsync(new GenericTransferRequestModel
{
Amount = paymentTransfer.AmountInTokens.Value,
AdditionalData = encodedData,
RecipientAddress = _settingsService.GetPaymentTransfersAddress(),
SenderCustomerId = paymentTransfer.CustomerId,
TransferId = transferIdAsString
});
if (pbfTransferResponse.Error == TransferError.SenderWalletMissing)
{
return(PaymentTransfersErrorCodes.CustomerWalletDoesNotExist);
}
if (pbfTransferResponse.Error == TransferError.NotEnoughFunds)
{
return(PaymentTransfersErrorCodes.NotEnoughFunds);
}
await _paymentTransfersRepository.AddAsync(paymentTransfer);
return(PaymentTransfersErrorCodes.None);
}
public async Task <ConvertAmountBySpendRuleResponse> GetAmountBySpendRuleAsync(ConvertAmountBySpendRuleRequest request)
{
if (request.FromCurrency.ToLower() == request.ToCurrency.ToLower())
{
return(new ConvertAmountBySpendRuleResponse
{
ConversionSource = ConversionSource.BurnRule,
Amount = request.Amount,
UsedRate = 1
});
}
AmountConvertBySpendRuleResponse result;
try
{
result = await _conversionRateService.GetAmountBySpendRuleAsync(
request.SpendRuleId, request.CustomerId, request.FromCurrency, request.ToCurrency, request.Amount);
}
catch (BurnRuleNotFoundException e)
{
_log.Info(e.Message, context: request);
return(new ConvertAmountBySpendRuleResponse
{
ErrorCode = EligibilityEngineErrors.SpendRuleNotFound,
ErrorMessage = e.Message
});
}
catch (ConversionRateNotFoundException e)
{
_log.Info(e.Message, context: request);
return(new ConvertAmountBySpendRuleResponse
{
ErrorCode = EligibilityEngineErrors.ConversionRateNotFound,
ErrorMessage = e.Message
});
}
return(new ConvertAmountBySpendRuleResponse
{
Amount = result.Amount,
CurrencyCode = result.CurrencyCode,
UsedRate = result.UsedRate,
ConversionSource = Mapper.Map <ConversionSource>(result.ConversionSource),
SpendRuleId = result.SpendRuleId
});
}