public bool Match(CartRuleContext context, RuleExpression expression)
{
var sessionKey = context.SessionKey;
var lockKey = "rule:cart:carttotalrule:" + sessionKey.ToString();
if (KeyedLock.IsLockHeld(lockKey))
{
return(false);
}
// We must prevent the rule from indirectly calling itself. It would cause a stack overflow on cart page.
using (KeyedLock.Lock(lockKey))
{
var cart = _shoppingCartService.GetCartItems(context.Customer, ShoppingCartType.ShoppingCart, context.Store.Id);
var cartTotal = ((decimal?)_orderTotalCalculationService.GetShoppingCartTotal(cart)) ?? decimal.Zero;
// Currency values must be rounded, otherwise unexpected results may occur.
var money = new Money(cartTotal, context.WorkContext.WorkingCurrency);
cartTotal = money.RoundedAmount;
var result = expression.Operator.Match(cartTotal, expression.Value);
return(result);
}
}
public bool Match(CartRuleContext context, RuleExpression expression)
{
var lockKey = $"rule:cart:cartsubtotalrule:{Thread.CurrentThread.ManagedThreadId}-{expression.Id}";
if (KeyedLock.IsLockHeld(lockKey))
{
//$"locked: {lockKey}".Dump();
return(false);
}
// We must prevent the rule from indirectly calling itself. It would cause a stack overflow on cart page.
using (KeyedLock.Lock(lockKey))
{
var cart = _shoppingCartService.GetCartItems(context.Customer, ShoppingCartType.ShoppingCart, context.Store.Id);
_orderTotalCalculationService.GetShoppingCartSubTotal(cart, out _, out _, out var cartSubtotal, out _);
// Currency values must be rounded, otherwise unexpected results may occur.
var money = new Money(cartSubtotal, context.WorkContext.WorkingCurrency);
cartSubtotal = money.RoundedAmount;
var result = expression.Operator.Match(cartSubtotal, expression.Value);
//$"unlocked {result}: {lockKey}".Dump();
return(result);
}
}