/// <summary>
/// Заполняет данными
/// </summary>
public async Task SeedDataAsync()
{
var currencies = _сurrencyRepository.GetCurrencies().Select(c => c.CurrencyId.ToUpper());
var newCurrencies = _currencies.Distinct()
.Where(c => !currencies.Contains(c.CurrencyId.ToUpper()) && !string.IsNullOrEmpty(c.CurrencyId));
_сurrencyRepository.AddRangeCurrency(newCurrencies);
await _unitOfWork.SaveChangesAsync();
currencies = _сurrencyRepository.GetCurrencies().Select(c => c.CurrencyId.ToUpper());
var currencyPairs = _сurrencyRepository.GetCurrencyPairs();
var newCurrencyPairs = _currencyPairs.Distinct()
.Where(cp => currencies.Contains(cp.CurrencyPairToId.ToUpper()) && currencies.Contains(cp.CurrencyPairFromId.ToUpper()) &&
!currencyPairs.Any(c => c.CurrencyPairFromId.ToUpper() == cp.CurrencyPairFromId.ToUpper() && c.CurrencyPairToId.ToUpper() == cp.CurrencyPairToId.ToUpper()));
_сurrencyRepository.AddRangeCurrencyPairs(newCurrencyPairs);
await _unitOfWork.SaveChangesAsync();
}
