/// <summary>
///
/// </summary>
/// <param name="window"></param>
public SalesItemViewModel(Window window)
{
SOURCE = new ObservableCollection <ItemSales>(SqlServerCompactService.GetItemSales(DateTime.Now, 0));
TotalCount = SOURCE.Count.ToString();
TotalProfit = SOURCE.Sum(s => s.SoldPirce - (s.SalesCount * s.StockPrice)).ToString();
ItemSalesColletion = new ObservableCollection <ItemSales>(SOURCE.Skip(PageIndex * PAGESIZE).Take(PAGESIZE));
CloseCommand = new DelegateCommand(() =>
{
window.Close();
});
AnalyseCommand = new DelegateCommand <string>(s =>
{
ItemSalesColletion.Clear();
int t = 0;
switch (s)
{
case "0":
t = 0;
break;
case "1":
t = 1;
break;
case "2":
t = 2;
break;
}
SOURCE = new ObservableCollection <ItemSales>(SqlServerCompactService.GetItemSales(SelectedDate, t));
TotalCount = SOURCE.Count.ToString();
TotalProfit = SOURCE.Sum(k => k.SoldPirce - (k.SalesCount * k.StockPrice)).ToString();
ItemSalesColletion = new ObservableCollection <ItemSales>(SOURCE.Skip(PageIndex * PAGESIZE).Take(PAGESIZE));
});
PreviousCommand = new DelegateCommand(() =>
{
PageIndex--;
ItemSalesColletion = new ObservableCollection <ItemSales>(SOURCE.Skip(PageIndex * PAGESIZE).Take(PAGESIZE));
}, () => { return(PageIndex > 0 ? true : false); });
NextCommand = new DelegateCommand(() =>
{
PageIndex++;
ItemSalesColletion = new ObservableCollection <ItemSales>(SOURCE.Skip(PageIndex * PAGESIZE).Take(PAGESIZE));
}, () => { return((PageIndex + 1) * PAGESIZE < SOURCE.Count() ? true : false); });
}
