public async Task <GenericCommandResult> Handle(ExchangeResgisterCommand command)
{
command.Validate();
if (command.Invalid)
{
return(new GenericCommandResult(false, "Valores de entrada inválidos", new { }));
}
CoinloreExchangeRateDTO coinlore = await _exchangeRateQuery.GetDataExchangeRate(Settings.COINLORE_EXCHANGE_RATE_URL);
if (coinlore is null)
{
return(new GenericCommandResult(false, "Taxa de cambio não localizada! ;(", new { }));
}
decimal Exchangerate = _exchangeRateService.GetExchangeRate(command.Replacement.Symbol, command.Applied.Symbol, coinlore);
Currencies currencies =
new Currencies(
value: command.Value,
appliedSymbol: command.Applied.Symbol,
replacementSymbol: command.Replacement.Symbol,
date: $"{DateTime.Now.Day}/{DateTime.Now.Month}/{DateTime.Now.Year} às {DateTime.Now.Hour}:{DateTime.Now.Minute}:{DateTime.Now.Second} hrs",
outputValue: Exchangerate * (decimal)command.Value,
appliedName: command.Applied.Name,
replacementName: command.Replacement.Name
);
await _exchangeRateService.Register(currencies);
return(new GenericCommandResult(true, "Valores calculados, troca concluída com sucesso!", new { }));
}
public decimal GetExchangeRate(string typeExchangeRate, string typeApplied, CoinloreExchangeRateDTO coinlore)
{
decimal value = 0;
coinlore.Pairs.ForEach(pair => {
if (pair.Base == typeApplied && pair.Quote == typeExchangeRate)
{
value = pair.Price;
}
});
return(value);
}
public async Task <(List <CurrencyNameDTO>, List <CurrencyNameDTO>)> GetListCurrencyNames(string urlCurrencies, string urlExchangeRate)
{
CoinloreCurrenciesDTO currencyObject = await GetDataCurrencies(urlCurrencies);
CoinloreExchangeRateDTO exchangeRateObject = await GetDataExchangeRate(urlExchangeRate);
if (exchangeRateObject.Pairs.Count > 0)
{
var currenciesReplacement = FilterReplacement(currencyObject, exchangeRateObject);
var currenciesApplied = FilterApplied(currenciesReplacement, currencyObject, exchangeRateObject);
return(currenciesApplied, currenciesReplacement);
}
return(null, null);
}
public List <CurrencyNameDTO> FilterApplied(List <CurrencyNameDTO> data, CoinloreCurrenciesDTO currencies, CoinloreExchangeRateDTO exchanges)
{
var initial = new List <CurrencyNameDTO>();
var result = new List <CurrencyNameDTO>();
exchanges.Pairs.ForEach(pair =>
{
if (!initial.Any(currency => currency.Symbol == pair.Base))
{
if (!(pair.Base is null) && InvalidSymbols(pair.Base))
{
initial.Add(new CurrencyNameDTO()
{
Symbol = pair.Base
});
}
}
});
result = ValidationApplied(initial, data, exchanges);
result.ForEach(data => { data = SetCurrencyName(data, currencies); });
return(result);
}
public List <CurrencyNameDTO> FilterReplacement(CoinloreCurrenciesDTO currencies, CoinloreExchangeRateDTO exchanges)
{
var result = new List <CurrencyNameDTO>();
exchanges.Pairs.ForEach(pair =>
{
if (!result.Any(currency => currency.Symbol == pair.Quote))
{
if (!(pair.Quote is null))
{
result.Add(new CurrencyNameDTO()
{
Symbol = pair.Quote
});
}
}
});
result.ForEach(data => { data = SetCurrencyName(data, currencies); });
return(result);
}
public List <CurrencyNameDTO> ValidationApplied(List <CurrencyNameDTO> applied, List <CurrencyNameDTO> replacement, CoinloreExchangeRateDTO exchanges)
{
var result = new List <CurrencyNameDTO>();
bool status = true;
string symbol = "";
applied.ForEach(applied =>
{
replacement.ForEach(replacement =>
{
exchanges.Pairs.ForEach(pair =>
{
// Validação para verificar se a moédade de aplicação consta para todas as moédas de troco
// Porém, não a combinação para todas.
// Logo resulta em lista vazia
/*
* if
* (pair.Quote == replacement.Symbol && pair.Base == applied.Symbol && status)
* { symbol = applied.Symbol; }
* else
* { status = false; }
*/
// Por isso, filtro alternativo
if
(pair.Quote == replacement.Symbol && pair.Base == applied.Symbol)
{
symbol = applied.Symbol;
}
});
});
if (!result.Any(currency => currency.Symbol == symbol) && status)
{
result.Add(new CurrencyNameDTO()
{
Symbol = symbol
});
status = true;
}
});
return(result);
}