private async void Sure_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(BookIDBox.Text) || string.IsNullOrEmpty(SaleNumberBox.Text))
{
return;
}
Models.Stock stock = StockUtil.QueryStock(BookIDBox.Text);
if (stock != null)
{
int n = int.Parse(SaleNumberBox.Text);
SaleNumberBox.Text = "";
if (n < 0)
{
await new MessageDialog("还书的数值不正确！").ShowAsync();
return;
}
// 库存记录
StockViewModel.GetInstance().UpdateStock(stock.Book.BId, n);
// 还书记录
Models.Return @return = new Models.Return {
Book = stock.Book, Number = n, Time = DateTimeOffset.Now, TotalPrice = stock.SalePrice * n
};
ReturnUtil.AddReturn(@return);
await new MessageDialog("归还成功！").ShowAsync();
}
else
{
await new MessageDialog("本店没有进过这种书，不必归还到此！").ShowAsync();
}
BookIDBox.Text = "";
}
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));
}