private async void Sure_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(SaleNumberBox.Text) || string.IsNullOrEmpty(BookIDBox.Text))
{
return;
}
Models.Stock stock = StockUtil.QueryStock(BookIDBox.Text);
if (stock != null)
{
int n = int.Parse(SaleNumberBox.Text);
SaleNumberBox.Text = "";
if (n > stock.Number)
{
await new MessageDialog("这种书没有多么多了！").ShowAsync();
return;
}
// 库存记录
StockViewModel.GetInstance().UpdateStock(stock.Book.BId, 0 - n);
// 销售记录
Models.Sale sale = new Models.Sale {
Book = stock.Book, Number = n, Time = DateTimeOffset.Now, TotalPrice = n * stock.SalePrice
};
SalesUtil.AddSale(sale);
await new MessageDialog("销售成功！").ShowAsync();
}
else
{
await new MessageDialog("没有这种书，请重新输入书籍编号！").ShowAsync();
}
BookIDBox.Text = "";
}
private void ShowCharts_Click(object sender, RoutedEventArgs e)
{
monthSalesDetail.Clear();
var s = sender as FrameworkElement;
SalesUtil.QuerySale(((MonthSales)s.DataContext).Month).ForEach(p => monthSalesDetail.Add(p));
MyPivot.SelectedIndex = 1;
}
public Statistics()
{
this.InitializeComponent();
// MonthSales month = new MonthSales { Month = 7, TotalSaleNum = 20, TotalSales = 34.5f };
// monthSales.Add(month);
// Sale sale = new Sale { Book = new Book { BId = 1, BAuthor = "a", BName = "b" }, Number = 12, TotalPrice = 23.4f };
// monthSalesDetail.Add(sale);
SalesUtil.GetAllMonthSales().ForEach(p => monthSales.Add(p));
SalesUtil.GetAllSales().ForEach(p => sales.Add(p));
ReturnUtil.GetAllReturns().ForEach(p => returns.Add(p));
PurchaseUtil.GetAllPurchases().ForEach(p => purchases.Add(p));
}
