/** Add new StockItem to table. */
public void addItem(final SoldItem soldItem) throws SalesSystemException {
StockItem stockItem = soldItem.getStockItem();
long stockItemId = stockItem.getId();
SoldItem existingItem = getForStockItem(stockItemId);
if (existingItem != null) {
int totalQuantity = existingItem.getQuantity() + soldItem.getQuantity();
validateQuantityInStock(stockItem, totalQuantity);
existingItem.setQuantity(totalQuantity);
log.debug(
"Found existing item "
+ soldItem.getName()
+ " increased quantity by "
+ soldItem.getQuantity());
} else {
validateQuantityInStock(soldItem.getStockItem(), soldItem.getQuantity());
getRows().add(soldItem);
log.debug("Added " + soldItem.getName() + " quantity of " + soldItem.getQuantity());
}
fireTableDataChanged();
}
public SoldItem getForStockItem(long stockItemId) {
for (SoldItem item : getRows()) {
if (item.getStockItem().getId().equals(stockItemId)) {
return item;
}
}
return null;
}