private List <ExrByDay> AddAdditionalExchangeRatesByDay(List <ExchangeRate> exchangeRates, List <ExrByDay> exrByDay)
{
var availableDates = new List <DateTime>();
foreach (var exr in exchangeRates)
{
availableDates.Add(exr.Date);
}
availableDates = availableDates.Distinct().ToList();
foreach (var date in availableDates)
{
var item = new ExrByDay()
{
DateTime = date,
Base = "EUR",
CurrencyRates = new List <CurrencyRate>()
};
foreach (var exr in exchangeRates.Where(x => x.Date == date))
{
var rate = new CurrencyRate()
{
CurrencyCode = exr.SourceCurrency,
Rate = exr.Factor,
};
item.CurrencyRates.Add(rate);
}
if (item.CurrencyRates.Count > 0)
{
exrByDay.Add(item);
}
}
return(exrByDay);
}
private List <ExrByDay> FilteredExchangeRatesByDay(List <string> requiredCodes, List <ExchangeRate> exchangeRates, DateTime startDate, DateTime endDate)
{
var list = new List <ExrByDay>();
for (DateTime date = startDate; date.Date <= endDate; date = date.AddDays(1))
{
var item = new ExrByDay()
{
DateTime = date,
Base = "EUR",
CurrencyRates = new List <CurrencyRate>()
};
foreach (var exr in exchangeRates.Where(x => x.Date == date && requiredCodes.Contains(x.SourceCurrency)))
{
var rate = new CurrencyRate()
{
CurrencyCode = exr.SourceCurrency,
Rate = exr.Factor,
};
item.CurrencyRates.Add(rate);
}
if (item.CurrencyRates.Count > 0)
{
list.Add(item);
}
}
return(list);
}