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<?php
/**
* Google Experiment Abstract Save observer
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\GoogleOptimizer\Observer;
use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
/**
* Abstract entity for saving codes
*
* @api
* @since 100.0.2
*/
abstract class AbstractSave implements ObserverInterface
{
/**
* @var \Magento\GoogleOptimizer\Helper\Data
*/
protected $_helper;
/**
* @var \Magento\GoogleOptimizer\Model\Code
*/
protected $_modelCode;
/**
* @var \Magento\Framework\App\RequestInterface
*/
protected $_request;
/**
* @var array
*/
protected $_params;
/**
* @param \Magento\GoogleOptimizer\Helper\Data $helper
* @param \Magento\GoogleOptimizer\Model\Code $modelCode
* @param \Magento\Framework\App\RequestInterface $request
*/
public function __construct(
\Magento\GoogleOptimizer\Helper\Data $helper,
\Magento\GoogleOptimizer\Model\Code $modelCode,
\Magento\Framework\App\RequestInterface $request
) {
$this->_helper = $helper;
$this->_modelCode = $modelCode;
$this->_request = $request;
}
/**
* Save script after saving entity
*
* @param Observer $observer
* @return $this
*/
public function execute(Observer $observer)
{
$this->_initEntity($observer);
if ($this->_isGoogleExperimentActive() && $this->isDataAvailable()) {
$this->_processCode();
}
return $this;
}
/**
* Init entity
*
* @param Observer $observer
* @return void
*/
abstract protected function _initEntity($observer);
/**
* Check is Google Experiment enabled
*
* @return bool
*/
protected function _isGoogleExperimentActive()
{
return $this->_helper->isGoogleExperimentActive();
}
/**
* Processes Save event of the entity
*
* @return void
*/
protected function _processCode()
{
$this->_initRequestParams();
if ($this->_isNewCode()) {
if (!$this->_isEmptyCode()) {
$this->_saveCode();
}
} else {
$this->_loadCode();
if ($this->_isEmptyCode()) {
$this->_deleteCode();
} else {
$this->_saveCode();
}
}
}
/**
* Init request params
*
* @return void
* @throws \InvalidArgumentException
*/
protected function _initRequestParams()
{
if (!$this->isDataAvailable()) {
throw new \InvalidArgumentException('Wrong request parameters');
}
$this->_params = $this->getRequestData();
}
/**
* Check is new model
*
* @return bool
*/
protected function _isNewCode()
{
return empty($this->_params['code_id']);
}
/**
* Save code model
*
* @return void
*/
protected function _saveCode()
{
$this->_modelCode->addData($this->_getCodeData());
$this->_modelCode->save();
}
/**
* Get data for saving code model
*
* @return array
*/
abstract protected function _getCodeData();
/**
* Load model code
*
* @return void
* @throws \InvalidArgumentException
*/
protected function _loadCode()
{
$this->_modelCode->load($this->_params['code_id']);
if (!$this->_modelCode->getId()) {
throw new \InvalidArgumentException('Code does not exist');
}
}
/**
* Is empty code
*
* @return bool
*/
protected function _isEmptyCode()
{
return empty($this->_params['experiment_script']);
}
/**
* Delete model code
*
* @return void
* @throws \InvalidArgumentException
*/
protected function _deleteCode()
{
$this->_modelCode->delete();
}
/**
* Check data availability
*
* @return bool
*/
private function isDataAvailable()
{
$params = $this->getRequestData();
return is_array($params) && isset($params['experiment_script']) && isset($params['code_id']);
}
/**
* Get request data
*
* @return mixed
*/
private function getRequestData()
{
return $this->_request->getParam('google_experiment');
}
}