public bool TryPost(IPostable receipt, IShift shift, out string message, decimal money = 0)
{
if ((receipt as Receipt != null) && (shift as Shift != null))
{
if (this.CanPost(receipt, shift, out string innerMessage))
{
using (CashRegisterContext ctx = new CashRegisterContext())
{
using (var transaction = ctx.Database.BeginTransaction())
{
try
{
receipt.AssignShiftAndDate(shift);
shift.ChangeReturnsStats(receipt.TotalPrice);
var s = shift as Shift;
var r = receipt as Receipt;
s.Receipts.Clear();
s.Receipts.Add(r);
foreach (var i in s.Receipts[s.Receipts.Count - 1].Items)
{
i.Receipt = null;
i.Item.Quantity += i.Quantity;
ctx.Update(i);
}
ctx.Shifts.Update(shift as Shift);
ctx.SaveChanges();
transaction.Commit();
foreach (var i in s.Receipts[s.Receipts.Count - 1].Items)
{
i.Item = null;
}
message = innerMessage;
return(true);
}
catch (Exception ex)
{
transaction.Rollback();
message = ex.Message;
return(false);
}
}
}
}
else
{
message = innerMessage;
return(false);
}
}
else
{
message = "не удалось получить ссылку на экземпляр смены, либо чека";
return(false);
}
}