/**
* Quote item free shipping ability check
* This process not affect information about applied rules, coupon code etc.
* This information will be added during discount amounts processing
*
* @param \Magento\Sales\Model\Quote\Item\AbstractItem $item
* @return \Magento\OfflineShipping\Model\SalesRule\Calculator
*/
public function processFreeShipping(\Magento\Sales\Model\Quote\Item\AbstractItem $item)
{
$address = $item->getAddress();
$item->setFreeShipping(false);
foreach ($this->_getRules() as $rule) {
/* @var $rule \Magento\SalesRule\Model\Rule */
if (!$this->validatorUtility->canProcessRule($rule, $address)) {
continue;
}
if (!$rule->getActions()->validate($item)) {
continue;
}
switch ($rule->getSimpleFreeShipping()) {
case \Magento\OfflineShipping\Model\SalesRule\Rule::FREE_SHIPPING_ITEM:
$item->setFreeShipping($rule->getDiscountQty() ? $rule->getDiscountQty() : true);
break;
case \Magento\OfflineShipping\Model\SalesRule\Rule::FREE_SHIPPING_ADDRESS:
$address->setFreeShipping(true);
break;
}
if ($rule->getStopRulesProcessing()) {
break;
}
}
return $this;
}
/**
* @param \Magento\SalesRule\Model\Rule $rule
* @param \Magento\Sales\Model\Quote\Item\AbstractItem $item
* @param float $qty
* @return \Magento\SalesRule\Model\Rule\Action\Discount\Data
*/
public function calculate($rule, $item, $qty)
{
/** @var \Magento\SalesRule\Model\Rule\Action\Discount\Data $discountData */
$discountData = $this->discountFactory->create();
$ruleTotals = $this->validator->getRuleItemTotalsInfo($rule->getId());
$quote = $item->getQuote();
$address = $item->getAddress();
$itemPrice = $this->validator->getItemPrice($item);
$baseItemPrice = $this->validator->getItemBasePrice($item);
$itemOriginalPrice = $this->validator->getItemOriginalPrice($item);
$baseItemOriginalPrice = $this->validator->getItemBaseOriginalPrice($item);
/**
* prevent applying whole cart discount for every shipping order, but only for first order
*/
if ($quote->getIsMultiShipping()) {
$usedForAddressId = $this->getCartFixedRuleUsedForAddress($rule->getId());
if ($usedForAddressId && $usedForAddressId != $address->getId()) {
return $discountData;
} else {
$this->setCartFixedRuleUsedForAddress($rule->getId(), $address->getId());
}
}
$cartRules = $address->getCartFixedRules();
if (!isset($cartRules[$rule->getId()])) {
$cartRules[$rule->getId()] = $rule->getDiscountAmount();
}
if ($cartRules[$rule->getId()] > 0) {
$store = $quote->getStore();
if ($ruleTotals['items_count'] <= 1) {
$quoteAmount = $store->convertPrice($cartRules[$rule->getId()]);
$baseDiscountAmount = min($baseItemPrice * $qty, $cartRules[$rule->getId()]);
} else {
$discountRate = $baseItemPrice * $qty / $ruleTotals['base_items_price'];
$maximumItemDiscount = $rule->getDiscountAmount() * $discountRate;
$quoteAmount = $store->convertPrice($maximumItemDiscount);
$baseDiscountAmount = min($baseItemPrice * $qty, $maximumItemDiscount);
$this->validator->decrementRuleItemTotalsCount($rule->getId());
}
$baseDiscountAmount = $store->roundPrice($baseDiscountAmount);
$cartRules[$rule->getId()] -= $baseDiscountAmount;
$discountData->setAmount($store->roundPrice(min($itemPrice * $qty, $quoteAmount)));
$discountData->setBaseAmount($baseDiscountAmount);
$discountData->setOriginalAmount(min($itemOriginalPrice * $qty, $quoteAmount));
$discountData->setBaseOriginalAmount($store->roundPrice($baseItemOriginalPrice));
}
$address->setCartFixedRules($cartRules);
return $discountData;
}
/**
* Can apply rules check
*
* @param AbstractItem $item
* @return bool
*/
public function canApplyRules(AbstractItem $item)
{
$address = $item->getAddress();
foreach ($this->_getRules() as $rule) {
if (!$this->validatorUtility->canProcessRule($rule, $address) || !$rule->getActions()->validate($item)) {
return false;
}
}
return true;
}
/**
* @param \Magento\Sales\Model\Quote\Item\AbstractItem $item
* @param int[] $appliedRuleIds
* @return $this
*/
public function setAppliedRuleIds(\Magento\Sales\Model\Quote\Item\AbstractItem $item, array $appliedRuleIds)
{
$address = $item->getAddress();
$quote = $item->getQuote();
$item->setAppliedRuleIds(join(',', $appliedRuleIds));
$address->setAppliedRuleIds($this->validatorUtility->mergeIds($address->getAppliedRuleIds(), $appliedRuleIds));
$quote->setAppliedRuleIds($this->validatorUtility->mergeIds($quote->getAppliedRuleIds(), $appliedRuleIds));
return $this;
}
/**
* @param \Magento\Sales\Model\Quote\Item\AbstractItem $item
* @return array
*/
protected function applyRules($item)
{
$address = $item->getAddress();
$appliedRuleIds = array();
/* @var $rule \Magento\SalesRule\Model\Rule */
foreach ($this->_getRules() as $rule) {
if ($this->_stopFurtherRules) {
break;
}
if (!$this->_canProcessRule($rule, $address)) {
continue;
}
if (!$this->_skipActionsValidation && !$rule->getActions()->validate($item)) {
continue;
}
$this->applyRule($item, $rule, $address);
$appliedRuleIds[$rule->getRuleId()] = $rule->getRuleId();
if ($rule->getStopRulesProcessing()) {
$this->_stopFurtherRules = true;
break;
}
}
return $appliedRuleIds;
}
