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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\ImportExport\Model\Import\Source;
use Magento\Framework\Filesystem\Directory\Read as DirectoryRead;
use Magento\Framework\Filesystem\File\ReadInterface as FileReadInterface;
/**
* CSV import adapter
*/
class Csv extends \Magento\ImportExport\Model\Import\AbstractSource
{
/**
* @var FileReadInterface
*/
protected $_file;
/**
* @var string
*/
protected $_delimiter = ',';
/**
* @var string
*/
protected $_enclosure = '';
/**
* @var string
*/
private string $filePath;
/**
* @var array
*/
private static array $openFiles;
/**
* Open file and detect column names
*
* There must be column names in the first line
*
* @param string|FileReadInterface $file
* @param DirectoryRead $directory
* @param string $delimiter
* @param string $enclosure
* @throws \LogicException
*/
public function __construct(
$file,
DirectoryRead $directory,
$delimiter = ',',
$enclosure = '"'
) {
// phpcs:ignore Magento2.Functions.DiscouragedFunction
register_shutdown_function([$this, 'destruct']);
if ($file instanceof FileReadInterface) {
$this->filePath = '';
$this->_file = $file;
$this->_file->seek(0);
} else {
try {
$this->filePath = $directory->getRelativePath($file);
$this->_file = $directory->openFile($this->filePath, 'r');
$this->_file->seek(0);
self::$openFiles[$this->filePath] = true;
} catch (\Magento\Framework\Exception\FileSystemException $e) {
throw new \LogicException("Unable to open file: '{$file}'");
}
}
if ($delimiter) {
$this->_delimiter = $delimiter;
}
$this->_enclosure = $enclosure;
parent::__construct($this->_getNextRow());
}
/**
* Close file handle
*
* @return void
*/
public function destruct()
{
if (is_object($this->_file) && !empty(self::$openFiles[$this->filePath])) {
$this->_file->close();
unset(self::$openFiles[$this->filePath]);
}
}
/**
* Read next line from CSV-file
*
* @return array|bool
*/
protected function _getNextRow()
{
$parsed = $this->_file->readCsv(0, $this->_delimiter, $this->_enclosure);
if (is_array($parsed) && count($parsed) != $this->_colQty) {
foreach ($parsed as $element) {
if ($element && strpos($element, "'") !== false) {
$this->_foundWrongQuoteFlag = true;
break;
}
}
} else {
$this->_foundWrongQuoteFlag = false;
}
return is_array($parsed) ? $parsed : [];
}
/**
* Rewind the \Iterator to the first element (\Iterator interface)
*
* @return void
*/
#[\ReturnTypeWillChange]
public function rewind()
{
$this->_file->seek(0);
$this->_getNextRow();
// skip first line with the header
parent::rewind();
}
}