public Sale GetSale()
{
if (allOperations.Count == 0)
{
KeyValuePair <int, OperationType> [] operations;
if (operationType == (int)Data.OperationType.Sale)
{
operations = GetOperationsByIssuedNumber(Number);
}
else if (operationType == (int)Data.OperationType.Purchase)
{
operations = GetOperationsByReceivedNumber(Number);
}
else
{
return(null);
}
allOperations.AddRange(operations.Select(o => Operation.GetById(o.Value, o.Key)));
}
Operation last = allOperations.LastOrDefault();
Sale lastSale = last as Sale;
Purchase lastPurchase = last as Purchase;
Sale ret;
if (lastSale != null)
{
ret = lastSale.CloneOperationBody <Sale> ();
}
else if (lastPurchase != null)
{
ret = lastPurchase.CloneOperationBody <Sale> ();
}
else
{
return(null);
}
List <SaleDetail> details = new List <SaleDetail> ();
foreach (var oper in allOperations)
{
Sale s = oper as Sale;
if (s != null)
{
if (s.Details.Count == 0)
{
s.LoadDetails();
}
details.AddRange(s.Details);
continue;
}
Purchase p = oper as Purchase;
if (p != null)
{
if (p.Details.Count == 0)
{
p.LoadDetails();
}
details.AddRange(p.Details.Select(pd => pd.Clone <SaleDetail> ()));
}
}
ret.Details.Clear();
ret.Details.AddRange(details);
return(ret);
}
