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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Mview\Config;
use Magento\Framework\Mview\View\AdditionalColumnsProcessor\DefaultProcessor;
use Magento\Framework\Mview\View\ChangeLogBatchWalker;
use Magento\Framework\Mview\View\SubscriptionInterface;
class Converter implements \Magento\Framework\Config\ConverterInterface
{
/**
* @var string
*/
private $defaultProcessor;
/**
* @var string
*/
private $defaultIterator;
/**
* @param string $defaultProcessor
* @param string $defaultIterator
*/
public function __construct(
string $defaultProcessor = DefaultProcessor::class,
string $defaultIterator = ChangeLogBatchWalker::class
) {
$this->defaultProcessor = $defaultProcessor;
$this->defaultIterator = $defaultIterator;
}
/**
* Convert dom node tree to array
*
* @param \DOMDocument $source
* @return array
* @throws \InvalidArgumentException
*/
public function convert($source)
{
$output = [];
$xpath = new \DOMXPath($source);
$views = $xpath->evaluate('/config/view');
/** @var $viewNode \DOMNode */
foreach ($views as $viewNode) {
$data = [];
$viewId = $this->getAttributeValue($viewNode, 'id');
$data['view_id'] = $viewId;
$data['action_class'] = $this->getAttributeValue($viewNode, 'class');
$data['group'] = $this->getAttributeValue($viewNode, 'group');
$data['walker'] = $this->getAttributeValue($viewNode, 'walker') ?: $this->defaultIterator;
$data['subscriptions'] = [];
/** @var $childNode \DOMNode */
foreach ($viewNode->childNodes as $childNode) {
if ($childNode->nodeType != XML_ELEMENT_NODE) {
continue;
}
$data = $this->convertChild($childNode, $data);
}
$output[$viewId] = $data;
}
return $output;
}
/**
* Get attribute value
*
* @param \DOMNode $input
* @param string $attributeName
* @param mixed $default
* @return null|string
*/
protected function getAttributeValue(\DOMNode $input, $attributeName, $default = null)
{
$node = $input->attributes->getNamedItem($attributeName);
return $node ? $node->nodeValue : $default;
}
/**
* Convert child from dom to array
*
* @param \DOMNode $childNode
* @param array $data
* @return array
*/
protected function convertChild(\DOMNode $childNode, $data)
{
switch ($childNode->nodeName) {
case 'subscriptions':
/** @var $subscription \DOMNode */
foreach ($childNode->childNodes as $subscription) {
if ($subscription->nodeType != XML_ELEMENT_NODE || $subscription->nodeName != 'table') {
continue;
}
$name = $this->getAttributeValue($subscription, 'name');
$column = $this->getAttributeValue($subscription, 'entity_column');
$subscriptionModel = $this->getAttributeValue($subscription, 'subscription_model');
if (!empty($subscriptionModel)
&& !in_array(
SubscriptionInterface::class,
class_implements(ltrim($subscriptionModel, '\\'))
)
) {
throw new \InvalidArgumentException(
'Subscription model must implement ' . SubscriptionInterface::class
);
}
$data['subscriptions'][$name] = [
'name' => $name,
'column' => $column,
'subscription_model' => $subscriptionModel,
'additional_columns' => $this->getAdditionalColumns($subscription),
'processor' => $this->getAttributeValue($subscription, 'processor')
?: $this->defaultProcessor
];
}
break;
}
return $data;
}
/**
* Retrieve additional columns of subscription table
*
* @param \DOMNode $subscription
* @return array
*/
private function getAdditionalColumns(\DOMNode $subscription): array
{
$additionalColumns = [];
foreach ($subscription->childNodes as $childNode) {
if ($childNode->nodeType != XML_ELEMENT_NODE || $childNode->nodeName != 'additionalColumns') {
continue;
}
foreach ($childNode->childNodes as $columnNode) {
if ($columnNode->nodeName !== 'column') {
continue;
}
$additionalColumns[$this->getAttributeValue($columnNode, 'name')] = [
'name' => $this->getAttributeValue($columnNode, 'name'),
'cl_name' => $this->getAttributeValue($columnNode, 'cl_name'),
'constant' => $this->getAttributeValue($columnNode, 'constant'),
];
}
}
return $additionalColumns;
}
}