public ExchangeRatesAnalyzer(IExchangeRatesLoader exchangeRatesLoader, ExchangeRatesReader exchangeRatesReader)
{
_exchangeRatesLoader = exchangeRatesLoader;
_exchangeRatesReader = exchangeRatesReader;
_bestExchangeRates = new Dictionary<string, XmlOutputBestExchangeRate>();
}
public ExchangeRatesAnalyzer(IExchangeRatesLoader exchangeRatesLoader, ExchangeRatesReader exchangeRatesReader)
{
_exchangeRatesLoader = exchangeRatesLoader;
_exchangeRatesReader = exchangeRatesReader;
_bestExchangeRates = new Dictionary <string, XmlOutputBestExchangeRate>();
}
public void TestBestExchangeRate()
{
var startDate = new DateTime(2014, 9, 26);
var endDate = new DateTime(2014, 9, 30);
var fileHelper = new ExchangeRatesFileHelper(startDate, endDate, "../../TestData");
var exchangeRatesLoader = new FakeExchangeRatesLoader();
var exchangeRatesReader = new ExchangeRatesReader(fileHelper);
var exchangeRatesAnalyzer = new ExchangeRatesAnalyzer(exchangeRatesLoader, exchangeRatesReader);
exchangeRatesAnalyzer.Analyze();
var bestExchangeRate = exchangeRatesAnalyzer.FindBestExchangeRate();
Assert.IsNotNull(bestExchangeRate);
Assert.IsTrue(bestExchangeRate.Currency == "RUB");
Assert.IsTrue(bestExchangeRate.MinForeignExchangeSellDate == new DateTime(2014, 9, 29));
Assert.IsTrue(bestExchangeRate.MaxForeignExchangeBuyDate == new DateTime(2014, 9, 30));
}
private static void Main()
{
if (!GetInputData())
{
return;
}
var fileHelper = new ExchangeRatesFileHelper(_startDate, _endDate, "Downloads");
var exchangeRatesLoader = new ExchangeRatesLoader(fileHelper);
var exchangeRatesReader = new ExchangeRatesReader(fileHelper);
var exchangeRatesAnalyzer = new ExchangeRatesAnalyzer(exchangeRatesLoader, exchangeRatesReader);
exchangeRatesAnalyzer.Analyze();
var bestExchangeRate = exchangeRatesAnalyzer.FindBestExchangeRate();
if (bestExchangeRate != null)
{
var remainingCapital = exchangeRatesAnalyzer.CalculateRemainingCapital(bestExchangeRate, _initialCapital);
var resultingXml = new XElement("Root",
new XElement("Currency", bestExchangeRate.Currency),
new XElement("BestDayOfBuy", bestExchangeRate.MinForeignExchangeSellDate.ToString(fileHelper.DateFormat, fileHelper.CultureInfo)),
new XElement("BestDayOfSell", bestExchangeRate.MaxForeignExchangeBuyDate.ToString(fileHelper.DateFormat, fileHelper.CultureInfo)),
new XElement("InitialCapital", _initialCapital),
new XElement("RemainingCapital", remainingCapital),
new XElement("Profit", remainingCapital - _initialCapital));
resultingXml.Save(fileHelper.ResultingXmlPath);
Console.WriteLine("Resulting xml file has been generated to Output folder of the current assembly");
}
else
{
Console.WriteLine("Too short period to make profit :)");
}
Console.ReadKey();
}