private async Task GetRatesAsync()
{
if ((DateTime.UtcNow - _lastFetchedAt).TotalDays > Constants.DEFAULTDAYSPERRATEREFRESH)
{
_rates = await ApiForex.GetRate(_apiKey);
_lastFetchedAt = DateTime.UtcNow;
}
}
private string PrepareMessage()
{
string fromCurrency;
string toCurrency;
decimal amount = 0;
if (IsInvalidArguments())
{
return(Description);
}
switch (_args.Count)
{
case 2:
fromCurrency = _args[0];
toCurrency = _args[1];
break;
case 4:
if (!decimal.TryParse(_args[0], out amount))
{
amount = 0;
}
fromCurrency = _args[1];
toCurrency = _args[3];
break;
default:
return(Description);
}
try
{
var culture = new CultureInfo("uk-UA", true);
var financeApi = ApiForex.GetRate(_apiKey).Result;
var value = financeApi.Convert(toCurrency.ToUpper(culture), fromCurrency.ToUpper(culture), amount);
return($"{amount} {fromCurrency} -> {value:0.00} {toCurrency}");
}
catch (InvalidOperationException)
{
// When currency wasn't found
return($"Cannot convert from {fromCurrency} to {toCurrency}");
}
}
public void NoKeyProvided()
{
var ApiForexRates = ApiForex.GetRate("");
Assert.NotEqual(200, ApiForexRates.Result.error.code);
}
public void CurrenciesInfos()
{
var CurrenciesInfos = ApiForex.GetCurrenciesInfos("fr", new string[] { "EUR", "THB" }, "json").Result.Where(c => c.Key == "THB").FirstOrDefault().Value.Code;
Assert.Equal("THB", CurrenciesInfos);
}
