/// <summary>
///
/// </summary>
/// <param name="customer"></param>
/// <param name="stockItem"></param>
/// <param name="amount"></param>
public void AddNewBalance(Customer customer, StockItem stockItem, decimal amount)
{
var tmpStockBalance =
this.SingleOrDefault(W => ((W.customer.ID == customer.ID) && (W.stockItem.ID == stockItem.ID) && !W.IsDeleted));
if (tmpStockBalance != null)
{
tmpStockBalance.Amount += amount; //igulisxmeba rom amatebs
}
else
{
this.Add(new StockBalance(Session)
{
ID = (
this.Count > 0 ?
this.Max(m => m.ID) + 1 : 1),
stockItem = stockItem,
Amount = amount,
customer = customer
});
}
}
/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <param name="date"></param>
/// <returns></returns>
public decimal CalculateBalanceForStockItemBeforeDate(StockItem item, DateTime date)
{
return(GetFilteredCollection(W => W.stockItem.ID == item.ID && W.Date.Date <= date.Date && !W.IsDeleted).Select(S => S.Amount).ToList().Sum());
}
