public async Task <ExchangeRatesInfo> GetRatesInfo(ExchangeRatesParams exchangeRatesInfo)
{
var dates = exchangeRatesInfo.Dates.TransformToDates();
await _currencySymbolsExRatesApiHelper.ValidateSymbols(this, exchangeRatesInfo.BaseCurrency, exchangeRatesInfo.TargetCurrency);
var values = new List <HistoryItemExRatesApi>();
foreach (var date in dates)
{
var historyItem = await GetRatesOnDate(date.ToFormattedString(), exchangeRatesInfo.BaseCurrency, exchangeRatesInfo.TargetCurrency);
values.Add(historyItem);
}
return(values.TransformToExchangeRatesInfo());
}
public async Task <ExchangeRatesInfo> GetRatesInfo(ExchangeRatesParams exchangeRatesInfo)
{
var dates = exchangeRatesInfo.Dates.TransformToDates();
DateTime startDate = dates.Min();
DateTime endDate = dates.Max();
var uri = $"timeseries?start_date={startDate.ToFormattedString()}&end_date={endDate.ToFormattedString()}&base={exchangeRatesInfo.BaseCurrency.ToUpper()}&symbols={exchangeRatesInfo.TargetCurrency.ToUpper()}";
var httpResponseMessage = await _httpClient.GetAsync(uri);
var responseString = await httpResponseMessage.Content.ReadAsStringAsync();
if (!httpResponseMessage.IsSuccessStatusCode)
{
throw new HttpRequestException(responseString);
}
var response = JsonConvert.DeserializeObject <TimeseriesResponseApiExchangerate>(responseString);
return(response.TransformToExchangeRatesInfo(dates));
}
public async Task <ActionResult> GetExchangeRatesInfo([FromQuery] ExchangeRatesParams exchangeRatesInfo)
{
var result = await _apiExchangeRatesService.GetRatesInfo(exchangeRatesInfo);
return(Ok(result));
}
