public async Task <IActionResult> ExecuteCurrencyExchangeAsync(CurrencyExchangeModel currencyExchangeModel)
{
if (!await RatesService.IsValidCurrencyToQuoteAsync(currencyExchangeModel.ForeignCurrencyCode))
{
return(BadRequest("Foreign currency not valid"));
}
if (currencyExchangeModel.Direction == CurrencyExchangeDirection.SellForeign)
{
return(BadRequest("Selling foreign currency not fully implemented yet (missing limit business logic)."));
}
DateTime transactionDate = DateTime.Now;
CurrencyQuoteModel foreignCurrencyRate = await RatesService.GetRateQuoteAsync(currencyExchangeModel.ForeignCurrencyCode,
transactionDate);
if (foreignCurrencyRate == null)
{
return(BadRequest($"No rate found for {currencyExchangeModel.ForeignCurrencyCode} on {transactionDate}"));
}
double foreignCurrencyAmount = CurrencyExchangeService.CalculateForeignCurrencyAmount(currencyExchangeModel.Direction,
currencyExchangeModel.LocalCurrencyAmount,
foreignCurrencyRate.SellValue,
foreignCurrencyRate.BuyValue);
double userRemainingLimit = await CurrencyExchangeService.GetUserRemainingLimitAsync(currencyExchangeModel.UserId,
currencyExchangeModel.ForeignCurrencyCode,
transactionDate);
//TODO: This validation works corretly when buying foreign, but needs refactor for selling
if (userRemainingLimit < foreignCurrencyAmount)
{
return(BadRequest("Operation would exceed monthly limits. Operation cancelled."));
}
CurrencyExchangeTransactionModel newTransaction = await CurrencyExchangeService.SubmitTransactionAsync(currencyExchangeModel,
foreignCurrencyAmount,
transactionDate,
foreignCurrencyRate.RateId);
return(Ok(newTransaction));
}
public async Task <IActionResult> GetAsync(string currencyCode, DateTime?date = null)
{
DateTime effectiveDate = DateTime.Now.Date;
if (date.HasValue)
{
effectiveDate = date.Value.Date;
}
if (!await RatesService.IsValidCurrencyToQuoteAsync(currencyCode))
{
return(BadRequest("Currency not valid"));
}
CurrencyQuoteModel currencyQuote = await RatesService.GetRateQuoteAsync(currencyCode, effectiveDate);
if (currencyQuote == null)
{
return(NotFound($"No quote found for {currencyCode} on {effectiveDate}"));
}
return(Ok(currencyQuote));
}