private void lbCurrency_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Abbreviation abb = e.RemovedItems.Count == 0 ? (Abbreviation)(int)e.AddedItems[0] : (Abbreviation)(int)e.RemovedItems[0];
if (e.RemovedItems.Count != 0)
{
rates.Remove(abb);
}
if (e.AddedItems.Count != 0 && !rates.Any(item => item.Key == abb))
{
rates.Add(abb, RatesHelper.GetRatesForPeriod(abb, DateTime.Now.AddYears(-1), DateTime.Now));
}
RefreshChart();
}
public CurrencyChart()
{
InitializeComponent();
chart.ChartAreas.Add(new ChartArea("Default"));
lbCurrency.SelectedItem = Abbreviation.USD;
dpDateFrom.SelectedDate = DateTime.Now.AddMonths(-1);
dpDateTo.SelectedDate = DateTime.Now;
leftButtonPressed = false;
rightButtonPressed = false;
dateChangeInAction = false;
rates = new Dictionary <Abbreviation, List <Rate> >();
lbCurrency.SelectionChanged += lbCurrency_SelectionChanged;
dpDateFrom.SelectedDateChanged += dpDate_SelectedDateChanged;
dpDateTo.SelectedDateChanged += dpDate_SelectedDateChanged;
rates[Abbreviation.USD] = RatesHelper.GetRatesForPeriod(Abbreviation.USD, DateTime.Now.AddYears(-1), DateTime.Now);
RatesHelper.GetCurrenciesData().OrderBy(item => item.Abbreviation).ToList().ForEach(item => lbCurrency.Items.Add(AbbreviationHelper.ToAbbreviation(item.Abbreviation)));
}
private void RefreshRates()
{
var rates = RatesHelper.GetLastDailyRates();
var prevRates = RatesHelper.GetPrevDailyRates();
StringBuilder sb = new StringBuilder();
sb.AppendLine(String.Format("Rates for {0}", rates.First().Date.AddDays(DateTime.Now.DayOfWeek == DayOfWeek.Friday ? -3 : -1).ToShortDateString()));
rates = rates.
Where(item => (item.Abbreviation & (Abbreviation.USD | Abbreviation.EUR | Abbreviation.RUB)) != Abbreviation.NONE).ToList();
prevRates = prevRates.
Where(item => (item.Abbreviation & (Abbreviation.USD | Abbreviation.EUR | Abbreviation.RUB)) != Abbreviation.NONE).ToList();
foreach (var rate in rates)
{
double prev = prevRates.First(item => item.Abbreviation == rate.Abbreviation).OfficialRate;
sb.AppendLine(String.Format("{0} {1} -> {2} | {3}", rate.Abbreviation.ToString(), prev, rate.OfficialRate, rate.OfficialRate - prev > 0 ? "+" + (rate.OfficialRate - prev) : (rate.OfficialRate - prev).ToString()));
}
Rates = sb.ToString();
}
/// <summary>
/// Maps each hero entity to their respective view model
/// </summary>
/// <returns>A list of Hero view models</returns>
public List <HeroViewModel> MapHeroes()
{
var modelList = new List <HeroViewModel>();
foreach (var hero in Context.Hero)
{
var model = new HeroViewModel();
model.HeroId = hero.HeroId;
model.HeroName = hero.Name;
model.Age = hero.Age;
model.City = hero.City;
model.Image = hero.Picture;
model.Rating = hero.Rating;
// Get rating historial for by hero Id
var ratingsForHero = GetRatingHistorialsByHero(hero.HeroId);
// Fill up the rating history
model.RatingHistory.AddRange(GetRatingViewModels(ratingsForHero));
// Get rating average of hero
model.RateAverage = RatesHelper.GetRatingAverage(ratingsForHero, hero.Rating);
modelList.Add(model);
}
return(modelList);
}