public async Task <IReadOnlyCollection <Currency> > GetAsync(
DateTime startDate, DateTime endDate, params string[] codes)
{
if (codes == null || endDate < startDate)
{
return(new Currency[0]);
}
DbCurrencyValue[] currencyValues;
using (var context = _conetextFactory.Create())
{
var currencyValuesRq = context.DbCurrencyValues
.Include(e => e.Currency)
.Where(e => startDate <= e.Date && e.Date <= endDate)
.Where(e => codes.Contains(e.Currency.Code));
if (codes.Any())
{
currencyValuesRq = currencyValuesRq
.Where(e => codes.Contains(e.Currency.Code));
}
currencyValues = await currencyValuesRq.ToArrayAsync();
}
var result = currencyValues
.AsParallel()
.Select(e => _currecyFactory.Create(e.Currency.Code, e.Amount, e.Rate, e.Date))
.ToArray();
return(result);
}
private static async Task Load(ICurrencyRepository curencyRepository,
ICurrecyFactory currecyFactory,
IEnumerable <CnbCurrencyHistory> recordsToHandle)
{
var currecies = recordsToHandle
.Select(e => currecyFactory.Create(e.Code, e.Amount, e.Rate, e.Date))
.ToArray();
await curencyRepository.SaveAsync(currecies);
}
private void Timer_Elapsed(object sender, ElapsedEventArgs eaArgs)
{
var timer = (System.Timers.Timer)sender;
var date = DateTime.Today;
timer.Stop();
try
{
var currentCureciesTask = _currencyDataProvier.GetCurrentCurrencyAsync(
date, async e =>
{
var currency = _currecyFactory.Create(e.Code, e.Amount, e.Rate, date);
await _currencyRepository.SaveAsync(currency);
});
currentCureciesTask.Wait();
}
catch (Exception e)
{
_logger.LogError(e, "GetCurrentCurrencyAsync ERROR!");
}
timer.Start();
}
