public Transaction Create(List <PurchaseOrderItemDTO> items, int userId)
{
double total = 0;
var details = new List <TransactionDetail>();
foreach (var itemDTO in items)
{
var item = _itemRepository.Get(itemDTO.ItemId);
var detail = new TransactionDetail
{
ItemId = itemDTO.ItemId,
Quantity = itemDTO.Quantity,
Price = item.Price,
SubTotal = item.Price * itemDTO.Quantity
};
total += detail.SubTotal;
_transactionDetailRepository.Add(detail);
_transactionDetailRepository.Commit();
details.Add(detail);
//Update Item Quantity
item.Quantity = item.Quantity - itemDTO.Quantity;
_itemRepository.Edit(item);
_itemRepository.Commit();
}
var transaction = new Transaction
{
Details = details,
OrderDate = DateTime.Now,
Total = total,
UserId = userId
};
_transactionRepository.Add(transaction);
_transactionRepository.Commit();
return(transaction);
}
protected void ChangeState(TTransaction transaction, int state)
{
if (transaction.State == state)
{
return;
}
var oldState = transaction.State;
lock (Lockers[typeof(TTransaction)])
{
RollbackTransactionState(transaction, oldState);
ValidateTransactionParticipant(transaction.SenderType, transaction.SenderId);
ValidateTransactionParticipant(transaction.ReceiverType, transaction.ReceiverId);
ValidateAmount(transaction.Amount);
ValidateTransactionSubject(transaction.SubjectType, transaction.Subject);
try
{
RollforwardTransactionState(transaction, state);
}
catch (Exception)
{
if (transaction.State == state)
{
RollbackTransactionState(transaction, state);
}
RollforwardTransactionState(transaction, oldState);
throw;
}
_transactionRepository.Commit(transaction);
}
}
public virtual void SaveChanges()
{
_repository.Commit();
}
