/**
* Check if a coupon can be currently used.
*
* @param CouponInterface $coupon
*
* @return bool
*/
private function canBeUsed(CouponInterface $coupon)
{
$count = $coupon->getCount();
if ($count === 0) {
return true;
}
if ($coupon->getUsed() < $count) {
return true;
}
return false;
}
/**
* Checks whether a coupon can be applied or not.
*
* @param CouponInterface $coupon Coupon to work with
* @param float $price Price
*
* @return boolean Coupon can be applied
*
* @throws CouponBelowMinimumPurchaseException
* @throws CouponAppliedException
* @throws CouponNotActiveException
*/
protected function checkCoupon(CouponInterface $coupon, $price)
{
/**
* check if coupon is enabled and not deleted
*/
if (!$coupon->isEnabled()) {
throw new CouponNotActiveException();
}
$now = new DateTime();
/**
* check if coupon is active
*/
if ($coupon->getValidFrom() > $now || $coupon->getValidTo() < $now) {
throw new CouponNotActiveException();
}
/**
* check if coupon still can be applied
*/
if ($coupon->getCount() - $coupon->getUsed() < 1) {
throw new CouponAppliedException();
}
/**
* you cannot add this coupon, too cheap
*/
if ($coupon->getMinimumPurchase()->getAmount() > $price) {
throw new CouponBelowMinimumPurchaseException();
}
return true;
}