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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\ImportExport\Model\Export\Adapter;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Filesystem\File\Write;
/**
* Export adapter csv.
*
* @api
* @since 100.0.2
*/
class Csv extends AbstractAdapter
{
/**
* Field delimiter.
*
* @var string
*/
protected $_delimiter = ',';
/**
* Field enclosure character.
*
* @var string
*/
protected $_enclosure = '"';
/**
* Source file handler.
*
* @var Write
*/
protected $_fileHandler;
/**
* Object destructor
* @since 100.3.5
*/
public function __destruct()
{
$this->destruct();
}
/**
* Clean cached values
*
* @return void
*/
public function destruct()
{
if (is_object($this->_fileHandler)) {
$this->_fileHandler->close();
$this->resolveDestination();
}
}
/**
* Remove temporary destination
*
* @return void
*/
private function resolveDestination(): void
{
// only temporary file located directly in var folder
if (strpos($this->_destination, '/') === false) {
$this->_directoryHandle->delete($this->_destination);
}
}
/**
* Method called as last step of object instance creation. Can be overridden in child classes.
*
* @return $this
*/
protected function _init()
{
$this->_fileHandler = $this->_directoryHandle->openFile($this->_destination, 'w');
return $this;
}
/**
* MIME-type for 'Content-Type' header.
*
* @return string
*/
public function getContentType()
{
return 'text/csv';
}
/**
* Return file extension for downloading.
*
* @return string
*/
public function getFileExtension()
{
return 'csv';
}
/**
* Set column names.
*
* @param array $headerColumns
* @throws \Exception
* @return $this
*/
public function setHeaderCols(array $headerColumns)
{
if (null !== $this->_headerCols) {
throw new LocalizedException(__('The header column names are already set.'));
}
if ($headerColumns) {
foreach ($headerColumns as $columnName) {
$this->_headerCols[$columnName] = false;
}
$this->_fileHandler->writeCsv(array_keys($this->_headerCols), $this->_delimiter, $this->_enclosure);
}
return $this;
}
/**
* Write row data to source file.
*
* @param array $rowData
* @throws \Exception
* @return $this
*/
public function writeRow(array $rowData)
{
if (null === $this->_headerCols) {
$this->setHeaderCols(array_keys($rowData));
}
$this->_fileHandler->writeCsv(
array_merge($this->_headerCols, array_intersect_key($rowData, $this->_headerCols)),
$this->_delimiter,
$this->_enclosure
);
return $this;
}
}