public async Task <MoneyExchangeViewModel> Handle(AddEntryToHistoryCommand request, CancellationToken cancellationToken)
{
var ratesDictionary = _moneyExchangeService.CreateRatesDictionary(await _moneyExchangeRepository.GetRates());
double fromAmount = request.FromAmount;
double toAmount = request.ToAmount;
double ratio = 0;
var entry = new ExchangeHistory
{
FromCurrency = request.FromCurrency,
FromAmount = fromAmount,
ToCurrency = request.ToCurrency,
ToAmount = toAmount,
Date = DateTime.Now
};
var moneyExchange = new MoneyExchangeViewModel
{
ToAmount = toAmount,
RatesDictionary = ratesDictionary,
FromAmount = fromAmount
};
if (request.FromAmount != 0 | request.ToAmount != 0)
{
if (request.FromAmount == 0)
{
fromAmount = _moneyExchangeService.CalculateTheRate(entry);
ratio = _moneyExchangeService.CalculatTheRatio(entry);
entry.FromAmount = fromAmount;
moneyExchange.FromAmount = fromAmount;
moneyExchange.Ratio = ratio;
moneyExchange.FromCurrency = ratesDictionary.FirstOrDefault(x => x.Key.ToString() == request.ToCurrency).Value;
moneyExchange.ToCurrency = ratesDictionary.FirstOrDefault(x => x.Key.ToString() == request.FromCurrency).Value;
}
else
{
toAmount = _moneyExchangeService.CalculateTheRate(entry);
ratio = _moneyExchangeService.CalculatTheRatio(entry);
entry.ToAmount = toAmount;
moneyExchange.ToAmount = toAmount;
moneyExchange.Ratio = ratio;
moneyExchange.FromCurrency = ratesDictionary.FirstOrDefault(x => x.Key.ToString() == request.FromCurrency).Value;
moneyExchange.ToCurrency = ratesDictionary.FirstOrDefault(x => x.Key.ToString() == request.ToCurrency).Value;
}
entry.FromCurrency = ratesDictionary.FirstOrDefault(x => x.Key.ToString() == request.FromCurrency).Value;
entry.ToCurrency = ratesDictionary.FirstOrDefault(x => x.Key.ToString() == request.ToCurrency).Value;
}
await _moneyExchangeRepository.AddEntryToHistory(entry);
return(moneyExchange);
}
public async Task <IActionResult> Index()
{
var query = new GetRatesQuery();
var result = await _mediator.Send(query);
var ratesDictionary = _moneyExchangeService.CreateRatesDictionary(result);
return(View(new MoneyExchangeViewModel
{
RatesDictionary = ratesDictionary
}));
}
