public async Task <CurrencyRate> LoadRate(int currencyId, string currencyCode, DateTime date)
{
using var client = new HttpClient
{
BaseAddress = new Uri($"{NBU_URL_API}")
};
var response = await client.GetAsync($"statdirectory/exchange?valcode={currencyCode}&date={date.ToString("yyyyMMdd")}&json");
var result = await response.Content.ReadAsStringAsync();
var rateResponse = JsonConvert.DeserializeObject <List <RateResponse> >(result);
var rate = rateResponse.FirstOrDefault();
if (rate == null)
{
throw new Exception("rate response is empty");
}
return(CurrencyRate.CreateRate(currencyId, date, 1, Decimal.Parse(rate.rate, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture)));
}
public void AddRate(CurrencyRateViewModel rate)
{
var currency = currRepository.FindById(rate.CurrencyId);
if (currency == null)
{
throw new ValidationException($"Currency {rate.CurrencyId} not found.");
}
var currRate = CurrencyRate.CreateRate(rate.CurrencyId, rate.Date, rate.Koef, rate.Rate);
try
{
unitOfWork.BeginTransaction();
currRateRepository.Add(currRate);
unitOfWork.Commit();
}
catch (Exception)
{
unitOfWork.Rollback();
throw;
}
}