internal StockItem FindStockItem(Stock stock, Unit unit, RecipeableItem recipeableItem, bool createIfNotExists)
{
if (recipeableItem == null)
throw new ArgumentNullException("recipeableItem");
if (unit == null)
throw new ArgumentNullException("unit");
var stockItem = stock.StockItems.Where(x => x.RecipeableItem == recipeableItem).FirstOrDefault();
if (stockItem == null)
{
if( !createIfNotExists )
throw new InvalidOperationException();
stockItem = new StockItem { RecipeableItem = recipeableItem, Unit = unit };
stock.AddStockItem(stockItem);
}
return stockItem;
}
public SingleStockItemViewModel(StockItem editStockItem)
{
_editStockItem = new EditStockItem(editStockItem);
}
public EditStockItem(StockItem stockItem)
{
StockItem = stockItem;
}
public virtual void RemoveStockItem(StockItem stockItem)
{
_stockItems.Remove(stockItem);
}
public virtual void AddStockItem(StockItem stockItem)
{
stockItem.Stock = this;
_stockItems.Add(stockItem);
}