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<?php
/**
 * Copyright (c) 2020 Kaliop Digital Commerce (https://digitalcommerce.kaliop.com) All Rights Reserved.
 * https://opensource.org/licenses/OSL-3.0  Open Software License (OSL 3.0)
 * Cnc
 * Radosław Stępień <[email protected]> <[email protected]>
 */
namespace Cnc\Catalog\Model\Product\Attribute\Backend;

use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\DataObject;
use Magento\Framework\Exception\FileSystemException;
use Magento\Framework\Filesystem;
use Magento\Framework\Filesystem\Driver\File;
use Magento\MediaStorage\Model\File\UploaderFactory;
use Psr\Log\LoggerInterface;

class BannerImage extends \Magento\Eav\Model\Entity\Attribute\Backend\AbstractBackend
{
    /**
     * @var File
     */
    protected $_file;

    /**
     * @var UploaderFactory
     *
     * @deprecated 101.0.0
     */
    protected $_uploaderFactory;

    /**
     * @var Filesystem
     *
     * @deprecated 101.0.0
     */
    protected $_filesystem;

    /**
     * @var UploaderFactory
     *
     * @deprecated 101.0.0
     */
    protected $_fileUploaderFactory;

    /**
     * @var LoggerInterface
     *
     * @deprecated 101.0.0
     */
    protected $_logger;

    /**
     * @param File $file
     * @param LoggerInterface $logger
     * @param Filesystem $filesystem
     * @param UploaderFactory $fileUploaderFactory
     */
    public function __construct(
        File $file,
        LoggerInterface $logger,
        Filesystem $filesystem,
        UploaderFactory $fileUploaderFactory
    ) {
        $this->_file = $file;
        $this->_filesystem = $filesystem;
        $this->_fileUploaderFactory = $fileUploaderFactory;
        $this->_logger = $logger;
    }

    /**
     * Save uploaded file and set its name to category
     *
     * @param DataObject $object
     * @return BannerImage
     * @throws FileSystemException
     */
    public function afterSave($object)
    {
        $path = $this->_filesystem->getDirectoryRead(
            DirectoryList::MEDIA
        )->getAbsolutePath(
            'catalog/product/file/'
        );
        $delete = $object->getData($this->getAttribute()->getName() . '_delete');

        if ($delete) {
            $fileName = $object->getData($this->getAttribute()->getName());
            $object->setData($this->getAttribute()->getName(), '');
            $this->getAttribute()->getEntity()->saveAttribute($object, $this->getAttribute()->getName());
            if ($this->_file->isExists($path . $fileName)) {
                $this->_file->deleteFile($path . $fileName);
            }
        }

        if (empty($_FILES)) {
            return $this;// if no image is set then nothing to do
        }

        try {
            $uploader = $this->_fileUploaderFactory->create(
                ['fileId' => 'product[' . $this->getAttribute()->getName() . ']']
            );
            $uploader->setAllowedExtensions(['jpg', 'png', 'jpeg', 'gif', 'bmp', 'svg']);
            $uploader->setAllowRenameFiles(true);
            $result = $uploader->save($path);
            $object->setData($this->getAttribute()->getName(), $result['file']);
            $this->getAttribute()->getEntity()->saveAttribute($object, $this->getAttribute()->getName());
        } catch (\Exception $e) {
            if ($e->getCode() != \Magento\MediaStorage\Model\File\Uploader::TMP_NAME_EMPTY) {
                $this->_logger->critical($e);
            }
        }

        return $this;
    }
}