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<?php
/**
* @author Amasty Team
* @copyright Copyright (c) Amasty (https://www.amasty.com)
* @package Product Feed for Magento 2
*/
namespace Amasty\Feed\Model\Export\Adapter;
use Magento\Framework\Filesystem\File\Write;
class Xml extends \Amasty\Feed\Model\Export\Adapter\Csv
{
/**
* Index of result array that consists of strings matched by the first parenthesized subpattern
* @see http://php.net/manual/function.preg-match-all.php
*/
public const PREG_FIRST_SUBMASK= 1;
public const DATE_DIRECTIVE = '{{DATE}}';
/**
* @var Write
*/
protected $_fileHandler;
/**
* @var string|null
*/
protected $header;
/**
* @var string
*/
protected $_item;
/**
* @var string
*/
protected $_content;
/**
* @var array
*/
protected $_contentAttributes;
/**
* @var string|null
*/
protected $_footer;
/**
* @var string[]
*/
private $tagsToRemove = [
"g:additional_image_link",
"g:sale_price_effective_date"
];
/**
* @var string[]
*/
private $currDateReplacements = [
'created_at' => 'Y-m-d H:i',
'lastBuildDate' => 'D M d H:i:s Y'
];
/**
* MIME-type for 'Content-Type' header.
*
* @return string
*/
public function getContentType()
{
return 'text/xml';
}
/**
* Return file extension for downloading.
*
* @return string
*/
public function getFileExtension()
{
return 'xml';
}
/**
* Write header
*
* @return $this
*/
public function writeHeader()
{
if (!empty($this->header)) {
$header = $this->header;
foreach ($this->currDateReplacements as $tagName => $dateFormat) {
$openTag = '<' . $tagName . '>';
$closeTag = '</' . $tagName . '>';
$header = str_replace(
$openTag . self::DATE_DIRECTIVE . $closeTag,
$openTag . date($dateFormat) . $closeTag,
$header
) . PHP_EOL;
}
$this->_fileHandler->write($header);
}
return $this;
}
/**
* Write footer
*
* @return $this
*/
public function writeFooter()
{
if (!empty($this->_footer)) {
$this->_fileHandler->write($this->_footer);
}
return $this;
}
/**
* Write row data to source file.
*
* @param array $rowData
* @throws \Exception
* @return $this
*/
public function writeDataRow(array &$rowData)
{
$replace = [];
if (is_array($this->_contentAttributes)) {
foreach ($this->_contentAttributes as $search => $attribute) {
$code = $attribute['attribute'];
$value = $rowData[$code] ?? '';
if (array_key_exists('parent', $attribute) && $attribute['parent'] !== 'no') {
if ($attribute['parent'] === 'yes') {
$value = $rowData[$code . '|parent'] ?? '';
} else {
$value = $rowData[$code] ?? ($rowData[$code . '|parent'] ?? '');
}
}
$value = $this->_modifyValue($attribute, $value);
$value = $this->_formatValue($attribute, $value);
$replace['{' . $search . '}'] = $value;
}
}
$write = '';
if ($this->_item) {
$write .= '<' . $this->_item . '>' . PHP_EOL;
}
$writeItem = strtr($this->_content, $replace);
$tags = array_unique($this->tagsToRemove);
foreach ($tags as $tag) {
$this->clearEmptyTag($writeItem, $tag);
}
$write .= $writeItem;
if ($this->_item) {
$write .= PHP_EOL . '</' . $this->_item . '>' . PHP_EOL;
}
$this->_fileHandler->write($write);
return $this;
}
/**
* Modify value in field
*
* @param array $field
* @param mixed $value
* @return string
*/
protected function _modifyValue($field, $value)
{
if ($field['modify'] != '') {
foreach (explode('|', $field['modify']) as $modify) {
$modifyArr = explode(":", $modify, 2);
$modifyType = $modifyArr[0];
$arg0 = null;
$arg1 = null;
if (isset($modifyArr[1])) {
$modifyArgs = explode("^", $modifyArr[1]);
if (isset($modifyArgs[0])) {
$arg0 = $modifyArgs[0];
}
if (isset($modifyArgs[1])) {
$arg1 = $modifyArgs[1];
}
}
$value = $this->_modify($value, $modifyType, $arg0, $arg1);
}
}
return $value;
}
/**
* Add CDATA
*
* @param array $field
* @param mixed $value
* @return string
*/
protected function _formatValue($field, $value)
{
$ret = parent::_formatValue($field, $value);
if (!empty($field['modify']) && !empty($ret) && !is_int($value)) {
$ret = '<![CDATA[' . $ret . ']]>';
}
return $ret;
}
/**
* Init feed
*
* @param \Amasty\Feed\Model\Feed $feed
* @return $this
*/
public function initBasics($feed)
{
parent::initBasics($feed);
$this->header = $feed->getXmlHeader();
$this->_item = $feed->getXmlItem();
$this->_footer = $feed->getXmlFooter();
$this->_parseContent($feed->getXmlContent());
return $this;
}
/**
* Parse content of feed
*
* @param string $content
* @return void
*/
protected function _parseContent($content)
{
$regex = "#{(.*?)}#";
preg_match_all($regex, $content, $vars);
$contentAttributes = [];
if (isset($vars[self::PREG_FIRST_SUBMASK])) {
foreach ($vars[self::PREG_FIRST_SUBMASK] as $attributeRow) {
$attributeParams = [];
preg_match("/attribute=\"(.*?)\"/", $attributeRow, $attrReg);
preg_match("/format=\"(.*?)\"/", $attributeRow, $formatReg);
preg_match("/modify=\"(.*?)\"/", $attributeRow, $lengthReg);
preg_match("/parent=\"(.*?)\"/", $attributeRow, $parentReg);
if (isset($attrReg[self::PREG_FIRST_SUBMASK])) {
$attributeParams = [
'attribute' => isset($attrReg[self::PREG_FIRST_SUBMASK])
? $attrReg[self::PREG_FIRST_SUBMASK] : '',
'format' => isset($formatReg[self::PREG_FIRST_SUBMASK])
? $formatReg[self::PREG_FIRST_SUBMASK] : 'as_is',
'modify' => isset($lengthReg[self::PREG_FIRST_SUBMASK])
? $lengthReg[self::PREG_FIRST_SUBMASK] : '',
'parent' => isset($parentReg[self::PREG_FIRST_SUBMASK])
? $parentReg[self::PREG_FIRST_SUBMASK] : 'no',
];
}
$contentAttributes[$attributeRow] = $attributeParams;
}
}
$this->setTagsToDeleteFromContent($content);
$this->_content = $content;
$this->_contentAttributes = $contentAttributes;
}
/**
* Clear empty tag
*
* @param string &$content
* @param string $tag
* @return void
*/
protected function clearEmptyTag(&$content = '', $tag = '')
{
$pattern = '~<' . $tag . '><\/' . $tag . '>' . "\r?\n?~";
$content = preg_replace($pattern, '', $content);
}
/**
* @param string $content
*/
private function setTagsToDeleteFromContent($content)
{
$regex = '/<(.*)>.*optional="yes".*<\/(.*)>/';
preg_match_all($regex, $content, $matches);
if (isset($matches[self::PREG_FIRST_SUBMASK])) {
$this->tagsToRemove = array_merge($this->tagsToRemove, $matches[1]);
}
}
}