protected override void OnOpenNew()
{
int iInvoiceNumber;
var firstOrDefault = ContextManager.Context.Sales.OrderByDescending(p => p.InvoiceNumber).FirstOrDefault();
if (firstOrDefault != null)
{
iInvoiceNumber = int.Parse(firstOrDefault.InvoiceNumber);
iInvoiceNumber++;
}
else
{
iInvoiceNumber = 1;
}
Purchase = new CoffeePurchase
{
Date = DateTime.Now,
PaymentDate = DateTime.Now,
Paid = true,
Account = ContextManager.ActiveAccounts.FirstOrDefault(),
Supplier = ContextManager.ActiveSuppliers.FirstOrDefault(),
InvoiceNumber = iInvoiceNumber.ToString()
};
Details = new ObservableCollection <CoffeePurchaseDetails>();
}
private void cmdPay_Execute(object arg)
{
wrapCoffeePurchase wrapperPurchase = arg as wrapCoffeePurchase;
if (wrapperPurchase != null)
{
CoffeePurchase purchase = wrapperPurchase.Purchase;
if (purchase.PaymentDate == null)
{
return;
}
purchase.Paid = true;
// Change account balance
ContextManager.Context.dAccountsBalances.First(
p => p.Account.Id == purchase.Account.Id).Balance -= wrapperPurchase.Sum;
// Add new transaction
ContextManager.Context.dTransactions.Add(new dTransaction
{
Account = purchase.Account,
Date = (DateTime)purchase.PaymentDate,
Description = "Закупка кофе",
Participant = purchase.Supplier.Name,
Sum = -wrapperPurchase.Sum
});
}
wrapSale wrapperSale = arg as wrapSale;
if (wrapperSale != null)
{
Sale sale = wrapperSale.Sale;
if (sale.PaymentDate == null)
{
return;
}
sale.Paid = true;
// Change account balance
ContextManager.Context.dAccountsBalances.First(
p => p.Account.Id == sale.Account.Id).Balance += wrapperSale.Sum;
// Add new transaction
ContextManager.Context.dTransactions.Add(new dTransaction
{
Account = sale.Account,
Date = (DateTime)sale.PaymentDate,
Description = "Продажа кофе",
Participant = sale.Recipient.Name,
Sum = wrapperSale.Sum
});
}
ContextManager.Context.SaveChanges();
}
protected override void OnOpenEdit(object argEntity)
{
Purchase = argEntity as CoffeePurchase;
_oldPurchase = Purchase.Clone();
Details = new ObservableCollection <CoffeePurchaseDetails>(Purchase.CoffeePurchaseDetails);
}