private static IEnumerable <Purchase> GetTableData(DateTime initialDate, DateTime?finalDate)
{
if (finalDate.HasValue && initialDate == finalDate.Value)
{
finalDate = null;
}
var items = PurchaseDB.GetPurchase(initialDate, finalDate);
return(items.OrderBy(x => x.Date));
}
private void ConfirmButton_Click(object sender, RoutedEventArgs e)
{
if (purchase.ItemsAmount > 0)
{
PurchaseDB.Add(purchase);
PurchaseCreated?.Invoke(purchase);
Close();
}
else
{
MessageBox.Show("Goods list is empty!");
}
}
private void Initialize()
{
var lastDate = PurchaseDB.GetLastPurchaseDate();
ManagerCalendar.DisplayDateEnd = DateTime.Today;
ManagerCalendar.DisplayDateStart = InitialDate;
if (lastDate != null)
{
InitializeDiagram();
ManagerCalendar.SelectedDate = lastDate;
Task.Run(() => CrossOutUnavailableDates());
}
}
private void InitializeComboBox()
{
var items = Enum.GetValues(typeof(GoodTypes));
foreach (var item in items)
{
TypeComboBox.Items.Add(item);
}
var existingTypes = PurchaseDB.GetAllGoodTypes();
foreach(var item in existingTypes)
{
if(ComboBoxContains(item)==-1)
TypeComboBox.Items.Add(item);
}
}
private void CrossOutUnavailableDates()
{
var availableDates = PurchaseDB.GetAvailableDates();
Dispatcher.Invoke(() => ManagerCalendar.BlackoutDates.Clear());
var currentDate = DateTime.Today;
while (currentDate != InitialDate)
{
if (availableDates.Count(x => x.Year == currentDate.Year &&
x.Month == currentDate.Month &&
x.Day == currentDate.Day) == 0) // if there's no such date
{
Dispatcher.Invoke(() => ManagerCalendar.BlackoutDates.Add(new CalendarDateRange(currentDate)));
}
currentDate = currentDate.AddDays(-1);
}
}