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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Persistent\Model\Persistent;
use Magento\Framework\Module\Dir;
/**
* Persistent Config Model
*/
class Config
{
/**
* Path to config file
*
* @var string
*/
protected $_configFilePath;
/**
* @var \Magento\Framework\Config\DomFactory
*/
protected $_domFactory;
/**
* @var \Magento\Framework\Module\Dir\Reader
*/
protected $_moduleReader;
/**
* @var \DOMXPath
*/
protected $_configDomXPath = null;
/**
* Layout model
*
* @var \Magento\Framework\View\LayoutInterface
*/
protected $_layout;
/**
* App state model
*
* @var \Magento\Framework\App\State
*/
protected $_appState;
/**
* Model factory
*
* @var \Magento\Persistent\Model\Factory
*/
protected $_persistentFactory;
/**
* @var \Magento\Framework\Filesystem\Directory\ReadFactory
*/
protected $readFactory;
/**
* @param \Magento\Framework\Config\DomFactory $domFactory
* @param \Magento\Framework\Module\Dir\Reader $moduleReader
* @param \Magento\Framework\View\LayoutInterface $layout
* @param \Magento\Framework\App\State $appState
* @param \Magento\Persistent\Model\Factory $persistentFactory
* @param \Magento\Framework\Filesystem\Directory\ReadFactory $readFactory
*/
public function __construct(
\Magento\Framework\Config\DomFactory $domFactory,
\Magento\Framework\Module\Dir\Reader $moduleReader,
\Magento\Framework\View\LayoutInterface $layout,
\Magento\Framework\App\State $appState,
\Magento\Persistent\Model\Factory $persistentFactory,
\Magento\Framework\Filesystem\Directory\ReadFactory $readFactory
) {
$this->_domFactory = $domFactory;
$this->_moduleReader = $moduleReader;
$this->_layout = $layout;
$this->_appState = $appState;
$this->_persistentFactory = $persistentFactory;
$this->readFactory = $readFactory;
}
/**
* Set path to config file that should be loaded
*
* @param string $path
* @return $this
* @codeCoverageIgnore
*/
public function setConfigFilePath($path)
{
$this->_configFilePath = $path;
return $this;
}
/**
* Get persistent XML config xpath
*
* @return \DOMXPath
* @throws \Magento\Framework\Exception\LocalizedException
*/
protected function _getConfigDomXPath()
{
if ($this->_configDomXPath === null) {
$dir = $this->_configFilePath !== null ? explode("/", $this->_configFilePath) : [];
array_pop($dir);
$dir = implode("/", $dir);
$directoryRead = $this->readFactory->create($dir);
$filePath = $directoryRead->getRelativePath($this->_configFilePath);
$isFile = $directoryRead->isFile($filePath);
$isReadable = $directoryRead->isReadable($filePath);
if (!$isFile || !$isReadable) {
throw new \Magento\Framework\Exception\LocalizedException(
__('We cannot load the configuration from file %1.', $this->_configFilePath)
);
}
$xml = $directoryRead->readFile($filePath);
/** @var \Magento\Framework\Config\Dom $configDom */
$configDom = $this->_domFactory->createDom(
[
'xml' => $xml,
'idAttributes' => ['config/instances/blocks/reference' => 'id'],
'schemaFile' => $this->_moduleReader->getModuleDir(Dir::MODULE_ETC_DIR, 'Magento_Persistent')
. '/persistent.xsd',
]
);
$this->_configDomXPath = new \DOMXPath($configDom->getDom());
}
return $this->_configDomXPath;
}
/**
* Get block's persistent config info.
*
* @param string $block
* @return array
* @codeCoverageIgnore
*/
public function getBlockConfigInfo($block)
{
$xPath = '//instances/blocks/*[block_type="' . $block . '"]';
$blocks = $this->_getConfigDomXPath()->query($xPath);
return $this->_convertBlocksToArray($blocks);
}
/**
* Retrieve instances that should be emulated by persistent data
*
* @return array
* @codeCoverageIgnore
*/
public function collectInstancesToEmulate()
{
$xPath = '/config/instances/blocks/reference';
$blocks = $this->_getConfigDomXPath()->query($xPath);
$blocksArray = $this->_convertBlocksToArray($blocks);
return ['blocks' => $blocksArray];
}
/**
* Convert Blocks
*
* @param /DomNodeList $blocks
* @return array
*/
protected function _convertBlocksToArray($blocks)
{
$blocksArray = [];
foreach ($blocks as $reference) {
$referenceAttributes = $reference->attributes;
$id = $referenceAttributes->getNamedItem('id')->nodeValue;
$blocksArray[$id] = [];
/** @var $referenceSubNode /DOMNode */
foreach ($reference->childNodes as $referenceSubNode) {
switch ($referenceSubNode->nodeName) {
case 'name_in_layout':
case 'class':
case 'method':
case 'block_type':
$blocksArray[$id][$referenceSubNode->nodeName] = $referenceSubNode->nodeValue;
break;
default:
}
}
}
return $blocksArray;
}
/**
* Run all methods declared in persistent configuration
*
* @return $this
*/
public function fire()
{
foreach ($this->collectInstancesToEmulate() as $type => $elements) {
if (!is_array($elements)) {
continue;
}
foreach ($elements as $info) {
switch ($type) {
case 'blocks':
$this->fireOne($info, $this->_layout->getBlock($info['name_in_layout']));
break;
}
}
}
return $this;
}
/**
* Run one method by given method info
*
* @param array $info
* @param bool $instance
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function fireOne($info, $instance = false)
{
if (!$instance || isset(
$info['block_type']
) && !$instance instanceof $info['block_type'] || !isset(
$info['class']
) || !isset(
$info['method']
)
) {
return $this;
}
$object = $this->_persistentFactory->create($info['class']);
$method = $info['method'];
if (method_exists($object, $method)) {
$object->{$method}($instance);
} elseif ($this->_appState->getMode() == \Magento\Framework\App\State::MODE_DEVELOPER) {
throw new \Magento\Framework\Exception\LocalizedException(
__('Method "%1" is not defined in "%2"', $method, get_class($object))
);
}
return $this;
}
}