/** * Checks if given Coupon is valid. To determine its validity, this service * will evaluate all rules if there are any. * * @param CartInterface $cart Cart * @param CouponInterface $coupon Coupon * * @return boolean Coupon is valid */ public function checkCouponValidity(CartInterface $cart, CouponInterface $coupon) { $rules = $coupon->getRules(); return $rules->forAll(function ($_, AbstractRuleInterface $rule) use($cart, $coupon) { return $this->ruleManager->evaluateByRule($rule, ['cart' => $cart, 'coupon' => $coupon]); }); }