<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework;

/**
* Flag model
*
* @method string getFlagCode()
* @method \Magento\Framework\Flag setFlagCode(string $value)
* @method int getState()
* @method \Magento\Framework\Flag setState(int $value)
* @method string getLastUpdate()
* @method \Magento\Framework\Flag setLastUpdate(string $value)
*/
class Flag extends Model\AbstractModel
{
/**
* Flag code
*
* @var string
*/
protected $_flagCode = null;

/**
* Serializer for encode/decode string/data.
*
* @var \Magento\Framework\Serialize\Serializer\Json
*/
private $json;

/**
* Serializer for encode/decode string/data.
*
* @var \Magento\Framework\Serialize\Serializer\Serialize
*/
private $serialize;

/**
* @param \Magento\Framework\Model\Context $context
* @param \Magento\Framework\Registry $registry
* @param \Magento\Framework\Model\ResourceModel\AbstractResource $resource
* @param \Magento\Framework\Data\Collection\AbstractDb $resourceCollection
* @param array $data
* @param \Magento\Framework\Serialize\Serializer\Json $json
* @param \Magento\Framework\Serialize\Serializer\Serialize $serialize
*/
public function __construct(
\Magento\Framework\Model\Context $context,
\Magento\Framework\Registry $registry,
\Magento\Framework\Model\ResourceModel\AbstractResource $resource = null,
\Magento\Framework\Data\Collection\AbstractDb $resourceCollection = null,
array $data = [],
\Magento\Framework\Serialize\Serializer\Json $json = null,
\Magento\Framework\Serialize\Serializer\Serialize $serialize = null
) {
$this->json = $json ?: \Magento\Framework\App\ObjectManager::getInstance()
->get(\Magento\Framework\Serialize\Serializer\Json::class);
$this->serialize = $serialize ?: \Magento\Framework\App\ObjectManager::getInstance()
->get(\Magento\Framework\Serialize\Serializer\Serialize::class);
parent::__construct(
$context,
$registry,
$resource,
$resourceCollection,
$data
);
}

/**
* Init resource model
* Set flag_code if it is specified in arguments
*
* @return void
*/
protected function _construct()
{
if ($this->hasData('flag_code')) {
$this->_flagCode = $this->getData('flag_code');
}
$this->_init(\Magento\Framework\Flag\FlagResource::class);
}

/**
* Processing object before save data
*
* @throws \Magento\Framework\Exception\LocalizedException
* @return $this
*/
public function beforeSave()
{
if ($this->_flagCode === null) {
throw new Exception\LocalizedException(new \Magento\Framework\Phrase('Please define flag code.'));
}

$this->setFlagCode($this->_flagCode);
if (!$this->hasKeepUpdateDate()) {
$this->setLastUpdate(date('Y-m-d H:i:s'));
}

return parent::beforeSave();
}

/**
* Retrieve flag data
*
* @return mixed
*/
public function getFlagData()
{
if ($this->hasFlagData()) {
$flagData = $this->getData('flag_data');
try {
$data = $this->json->unserialize($flagData);
} catch (\InvalidArgumentException $exception) {
$data = $this->serialize->unserialize($flagData);
}
return $data;
}
}

/**
* Set flag data
*
* @param mixed $value
* @return $this
*/
public function setFlagData($value)
{
return $this->setData('flag_data', $this->json->serialize($value));
}

/**
* load self (load by flag code)
*
* @throws \Magento\Framework\Exception\LocalizedException
* @return $this
*/
public function loadSelf()
{
if ($this->_flagCode === null) {
throw new Exception\LocalizedException(new \Magento\Framework\Phrase('Please define flag code.'));
}

return $this->load($this->_flagCode, 'flag_code');
}
}