private void RefreshCurrencies(DateTime refreshDate)
{
refreshDate = refreshDate.Date;
List <NBPCurrencyRate> nbpCurrencies = LoadCurrenciesFromNBP(refreshDate, true, true);
CurrencyRate[] existingRates = this.repo.Currencies.GetAllRatesForDay(refreshDate).ToArray();
IEnumerable <Currency> systemCurrencies = this.repo.Dictionaries.GetCurrencies();
//List<Currency> test = systemCurrencies.ToList();
List <CurrencyRate> ratesToBeAdded = new List <CurrencyRate>();
foreach (Currency curr in systemCurrencies)
{
NBPCurrencyRate nbp = nbpCurrencies.FirstOrDefault(c => string.Equals(c.CurrencyCode, curr.Code, StringComparison.InvariantCultureIgnoreCase));
if (nbp != null)
{
if (!existingRates.Any(cr => cr.Currency.Code == nbp.CurrencyCode))
{
CurrencyRate rate = new CurrencyRate()
{
Currency = curr,
DateRefreshed = refreshDate,
ExchangeRate = nbp.CurrencyRate / nbp.Converter
};
ratesToBeAdded.Add(rate);
}
//curr.ExchangeRate = nbp.CurrencyRate;
//curr.DateRefreshed = nbp.CurrencyDate;
}
}
//List<NBPCurrencyRate> missing = nbpCurrencies.Where(nbpc => !systemCurrencies.Any(sc =>
// string.Equals(nbpc.CurrencyCode, sc.Code, StringComparison.InvariantCultureIgnoreCase))).ToList();
//if (missing.Count > 0)
//{
// List<Currency> toBeAdded = missing.Select(nbpc => new Currency()
// {
// Name = nbpc.CurrencyName,
// Code = nbpc.CurrencyCode,
// ExchangeRate = nbpc.CurrencyRate,
// DateRefreshed = nbpc.CurrencyDate
// }).ToList();
// this.repo.Dictionaries.AddCurrencies(toBeAdded);
//}
this.repo.Currencies.AddCurrencyRates(ratesToBeAdded);
this.repo.SaveChanges();
}
private List <NBPCurrencyRate> ParseCurrencies(string rawCurrencies)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(rawCurrencies);
XmlNodeList currencyListXml = xmlDoc.GetElementsByTagName(Constraints.POSITION);
var date = xmlDoc.GetElementsByTagName(Constraints.PUBLICATION_DATE);
DateTime currencyDate = Convert.ToDateTime(date[0].FirstChild.Value);
List <NBPCurrencyRate> currencyList = new List <NBPCurrencyRate>();
foreach (XmlNode currencyXml in currencyListXml)
{
//XmlNodeList nodes = currencyXml.ChildNodes;
NBPCurrencyRate currency = new NBPCurrencyRate();
currency.CurrencyName = currencyXml.ChildNodes[0].FirstChild.Value;
currency.Converter = Convert.ToDouble(currencyXml.ChildNodes[1].FirstChild.Value);
currency.CurrencyCode = currencyXml.ChildNodes[2].FirstChild.Value;
currency.CurrencyRate = Convert.ToDouble(currencyXml.ChildNodes[3].FirstChild.Value, CultureInfo.GetCultureInfo("pl-PL"));
currency.CurrencyDate = currencyDate;
currencyList.Add(currency);
}
return(currencyList);
}
