/**
* Calculate coupon absolute value.
*
* @param CartInterface $cart Cart
* @param CouponInterface $coupon Coupon
*
* @return MoneyInterface|false Absolute value for this coupon in this cart
*/
public function getCouponAbsoluteValue(CartInterface $cart, CouponInterface $coupon)
{
$currency = $this->currencyWrapper->get();
$couponPrice = Money::create(0, $currency);
$value = $coupon->getValue();
preg_match($this->regexp(), $value, $match);
$m = (int) $match[1];
$n = (int) $match[2];
$expressionValue = isset($match[3]) ? $match[3] : '';
$modifiers = isset($match[4]) ? $match[4] : '';
$freePerGroup = $m - $n;
$freePerGroup = max($freePerGroup, 0);
foreach ($cart->getCartLines() as $cartLine) {
$moneys = [];
$purchasable = $cartLine->getPurchasable();
$expressionEvaluator = $this->getExpressionLanguageInstance();
$expressionResult = (empty($expressionValue) || $expressionEvaluator->evaluate($expressionValue, ['purchasable' => $purchasable])) && $this->evaluatePurchasableType($purchasable, $modifiers);
if (true === $expressionResult) {
$partialElements = $cartLine->getQuantity();
for ($i = 0; $i < $partialElements; ++$i) {
$partialPurchasable = $cartLine->getPurchasable();
$moneys[] = $partialPurchasable->getReducedPrice()->getAmount() > 0 ? $partialPurchasable->getReducedPrice() : $partialPurchasable->getPrice();
}
$groups = $partialElements / $m;
if ($groups > 0) {
$nbMoneys = $groups * $freePerGroup;
$moneysToDiscount = array_slice($moneys, 0, $nbMoneys);
foreach ($moneysToDiscount as $moneyToDiscount) {
$couponPrice = $couponPrice->add($this->currencyConverter->convertMoney($moneyToDiscount, $currency));
}
}
}
}
return $couponPrice;
}
/**
* Creates a new coupon instance, given an existing Coupon as reference.
*
* You can specify a DateTime new coupon will be valid from.
* If not specified, current DateTime will be used
*
* If given coupon is valid forever, new coupon will also be
* Otherwise, this method will add to validFrom, the same interval than given Coupon
*
* Also can be specified how new Coupon name must be defined.
* If none, automatic generator will add to existing name, 10 random digits.
*
* Given Coupon name: FOO
* New Coupon name: FOO_a67b6786a6
*
* Coupons are only generated, and are not persisted in Manager nor Flushed
*
* @param CouponInterface $coupon Reference coupon
* @param DateTime $dateFrom Date From. If null, takes actual dateTime
*
* @return CouponInterface Coupon generated
*/
public function duplicateCoupon(CouponInterface $coupon, DateTime $dateFrom = null)
{
/**
* Creates a valid date interval given the referent Coupon.
*/
if (null === $dateFrom) {
$dateFrom = $this->dateTimeFactory->create();
}
$dateTo = null;
if ($coupon->getValidTo() instanceof DateTime) {
$interval = $coupon->getValidFrom()->diff($coupon->getValidTo());
$dateTo = clone $dateFrom;
$dateTo->add($interval);
}
/**
* @var CouponInterface $couponGenerated
*/
$couponGenerated = $this->couponFactory->create();
$couponCode = $this->couponCodeGenerator->generate(10);
$couponGenerated->setCode($couponCode)->setName($coupon->getName())->setType($coupon->getType())->setPrice($coupon->getPrice())->setDiscount($coupon->getDiscount())->setCount($coupon->getCount())->setPriority($coupon->getPriority())->setMinimumPurchase($coupon->getMinimumPurchase())->setValidFrom($dateFrom)->setValidTo($dateTo)->setValue($coupon->getValue())->setRule($coupon->getRule())->setEnforcement($coupon->getEnforcement())->setEnabled(true);
return $couponGenerated;
}
/**
* Can be applied.
*
* @param CartInterface $cart Cart
* @param CouponInterface $coupon Coupon
*
* @return bool Can be applied
*/
public function canBeApplied(CartInterface $cart, CouponInterface $coupon)
{
return $coupon->getType() === self::id() && 1 === preg_match($this->regexp(), $coupon->getValue());
}
