public MenuProductTemperal CreateMenuProductTemperal(decimal price, DateTime date)
{
var mpt = FetchMPT(price, date);
if (MenuProductTemperals.Contains(mpt))
{
throw new Exception("Existed");
}
mpt = new MenuProductTemperal(this.Id, price, date);
MenuProductTemperals.Add(mpt);
return(mpt);
}
public decimal FetchPrice(DateTime date)
{
decimal price = ProductDescription.BasePrice;
foreach (var mpt in MenuProductTemperals.OrderByDescending(mpt => mpt.EffectiveFrom))
{
if (date >= mpt.EffectiveFrom)
{
price = mpt.Price;
}
break;
}
return(price);
}
public MenuProductTemperal FetchMPT(decimal price, DateTime date)
{
return(MenuProductTemperals.Where(mpt => mpt.Price == price && mpt.EffectiveFrom.Equals(date)).First());
}
