private async void Cashier_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
var сashier = sender as Сashier;
if (сashier != null)
{
if (e.PropertyName == "CurrentTicket")
{
if (сashier.CurrentTicket != null) //добавить элемент к списку
{
TicketItems.Add(new TicketItem {
CashierName = "Касса " + сashier.CurrentTicket.Сashbox,
TicketName = $"Талон {сashier.CurrentTicket.Prefix}{сashier.CurrentTicket.NumberElement.ToString("000")}"
});
var task = _model.LogTicket?.Add(сashier.CurrentTicket.ToString());
if (task != null)
{
await task;
}
}
else //удалить элемент из списка
{
var removeItem = TicketItems.FirstOrDefault(elem => elem.CashierName.Contains(сashier.Id.ToString()));
TicketItems.Remove(removeItem);
}
}
}
}
public TicketItem AddTicketItem(int userId, int departmentId, MenuItem menuItem, string portionName, string priceTag, string defaultProperties)
{
Locked = false;
var tif = new TicketItem {
DepartmentId = departmentId
};
tif.UpdateMenuItem(userId, menuItem, portionName, priceTag, 1, defaultProperties);
TicketItems.Add(tif);
return(tif);
}