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<?php
/**
* AJAX action for preview export row
*/
function pmxe_wp_ajax_wpae_preview(){
if ( ! check_ajax_referer( 'wp_all_export_secure', 'security', false )){
exit( json_encode(array('html' => __('Security check', 'wp_all_export_plugin'))) );
}
if ( ! current_user_can( PMXE_Plugin::$capabilities ) ){
exit( json_encode(array('html' => __('Security check', 'wp_all_export_plugin'))) );
}
XmlExportEngine::$is_preview = true;
$custom_xml_valid = true;
ob_start();
$values = array();
parse_str($_POST['data'], $values);
if(is_array($values['cc_options'])) {
foreach ($values['cc_options'] as &$value) {
$value = stripslashes($value);
}
}
$export_id = (isset($_GET['id'])) ? stripcslashes($_GET['id']) : 0;
$exportOptions = $values + (PMXE_Plugin::$session->has_session() ? PMXE_Plugin::$session->get_clear_session_data() : array()) + PMXE_Plugin::get_default_import_options();
$exportOptions['custom_xml_template'] = (isset($_POST['custom_xml'])) ? stripcslashes($_POST['custom_xml']) : '';
$exportOptions['custom_xml_template'] = str_replace('<ID>','<id>', $exportOptions['custom_xml_template'] );
$exportOptions['custom_xml_template'] = str_replace('</ID>','</id>', $exportOptions['custom_xml_template'] );
if ( ! empty($exportOptions['custom_xml_template'])) {
$custom_xml_template_line_count = substr_count($exportOptions['custom_xml_template'], "\n");
}
if(empty($exportOptions['cpt'])) {
$postTypes = [];
$exportqueryPostType = [];
if ( isset( $exportOptions['exportquery'] ) && ! empty( $exportOptions['exportquery']->query['post_type'] ) ) {
$exportqueryPostType = [ $exportOptions['exportquery']->query['post_type'] ];
}
if ( empty( $postTypes ) ) {
$postTypes = $exportqueryPostType;
}
$exportOptions['cpt'] = $postTypes;
}
$errors = new WP_Error();
$engine = new XmlExportEngine($exportOptions, $errors);
XmlExportEngine::$exportOptions = $exportOptions;
XmlExportEngine::$is_user_export = $exportOptions['is_user_export'];
XmlExportEngine::$is_comment_export = $exportOptions['is_comment_export'];
XmlExportEngine::$is_taxonomy_export = $exportOptions['is_taxonomy_export'];
XmlExportEngine::$exportID = $export_id;
if ( class_exists('SitePress') && ! empty(XmlExportEngine::$exportOptions['wpml_lang'])){
do_action( 'wpml_switch_language', XmlExportEngine::$exportOptions['wpml_lang'] );
}
if (XmlExportEngine::$exportOptions['export_to'] == XmlExportEngine::EXPORT_TYPE_XML && in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants')) ){
if ( empty(XmlExportEngine::$exportOptions['custom_xml_template']) )
{
$errors->add('form-validation', __('XML template is empty.', 'wp_all_export_plugin'));
}
if ( ! empty(XmlExportEngine::$exportOptions['custom_xml_template'])){
$engine->init_additional_data();
$engine->init_available_data();
$result = $engine->parse_custom_xml_template();
$line_numbers = $result['line_numbers'];
if ( ! $errors->get_error_codes()) {
XmlExportEngine::$exportOptions = array_merge(XmlExportEngine::$exportOptions, $result);
}
$originalXmlTemplate = $exportOptions['custom_xml_template'];
libxml_use_internal_errors(true);
libxml_clear_errors();
//Add root se we make sure there is a root tag
$result['original_post_loop'] = '<root>'.$result['original_post_loop'].'</root>';
$custom_xml_template = simplexml_load_string($result['original_post_loop']);
if ($custom_xml_template === false) {
$custom_xml_template_errors = libxml_get_errors();
libxml_clear_errors();
$custom_xml_valid = false;
// Remove one line because we added root
$line_difference = $custom_xml_template_line_count - $line_numbers - 1;
}
$exportOptions['custom_xml_template'] = str_replace("<!-- BEGIN POST LOOP -->", "<!-- BEGIN LOOP -->", $exportOptions['custom_xml_template']);
$exportOptions['custom_xml_template'] = str_replace("<!-- END POST LOOP -->", "<!-- END LOOP -->", $exportOptions['custom_xml_template']);
}
}
if(isset($_GET['show_cdata'])) {
XmlExportEngine::$exportOptions['show_cdata_in_preview'] = (bool)$_GET['show_cdata'];
} else {
XmlExportEngine::$exportOptions['show_cdata_in_preview'] = false;
}
if ( $errors->get_error_codes()) {
$msgs = $errors->get_error_messages();
if ( ! is_array($msgs)) {
$msgs = array($msgs);
}
foreach ($msgs as $msg): ?>
<div class="error"><p><?php echo wp_kses_post($msg); ?></p></div>
<?php endforeach;
exit( json_encode(array('html' => ob_get_clean())) );
}
if ( 'advanced' == $exportOptions['export_type'] )
{
if ( XmlExportEngine::$is_user_export ) {
$exportQuery = eval('return new WP_User_Query(array(' . $exportOptions['wp_query'] . ', \'offset\' => 0, \'number\' => 10));');
}
elseif ( XmlExportEngine::$is_comment_export ) {
$exportQuery = eval('return new WP_Comment_Query(array(' . $exportOptions['wp_query'] . ', \'offset\' => 0, \'number\' => 10));');
}
else {
remove_all_actions('parse_query');
remove_all_actions('pre_get_posts');
remove_all_filters('posts_clauses');
$exportQuery = eval('return new WP_Query(array(' . $exportOptions['wp_query'] . ', \'offset\' => 0, \'posts_per_page\' => 10));');
}
}
else
{
XmlExportEngine::$post_types = $exportOptions['cpt'];
if ( in_array('users', $exportOptions['cpt']) or in_array('shop_customer', $exportOptions['cpt']))
{
add_action('pre_user_query', 'wp_all_export_pre_user_query', 10, 1);
$exportQuery = new WP_User_Query( array( 'orderby' => 'ID', 'order' => 'ASC', 'number' => 10 ));
remove_action('pre_user_query', 'wp_all_export_pre_user_query');
}
elseif ( in_array('taxonomies', $exportOptions['cpt']))
{
add_filter('terms_clauses', 'wp_all_export_terms_clauses', 10, 3);
$exportQuery = new WP_Term_Query( array( 'taxonomy' => $exportOptions['taxonomy_to_export'], 'orderby' => 'term_id', 'order' => 'ASC', 'number' => 10, 'hide_empty' => false ));
remove_filter('terms_clauses', 'wp_all_export_terms_clauses');
}
elseif( in_array('comments', $exportOptions['cpt']))
{
add_action('comments_clauses', 'wp_all_export_comments_clauses', 10, 1);
global $wp_version;
if ( version_compare($wp_version, '4.2.0', '>=') )
{
$exportQuery = new WP_Comment_Query( array( 'orderby' => 'comment_ID', 'order' => 'ASC', 'number' => 10 ));
}
else
{
$exportQuery = get_comments( array( 'orderby' => 'comment_ID', 'order' => 'ASC', 'number' => 10 ));
}
remove_action('comments_clauses', 'wp_all_export_comments_clauses');
} else if(in_array('shop_order', $exportOptions['cpt']) && PMXE_Plugin::hposEnabled()) {
$exportQuery = new \Wpae\WordPress\OrderQuery();
} else {
if(strpos($exportOptions['cpt'][0], 'custom_') === 0) {
$addon = GF_Export_Add_On::get_instance();
$filter_args = array(
'filter_rules_hierarhy' => empty($exportOptions['filter_rules_hierarhy']) ? array() : $exportOptions['filter_rules_hierarhy'],
'product_matching_mode' => empty($exportOptions['product_matching_mode']) ? 'strict' : $exportOptions['product_matching_mode'],
'taxonomy_to_export' => empty($exportOptions['taxonomy_to_export']) ? '' : $exportOptions['taxonomy_to_export'],
'sub_post_type_to_export' => empty($exportOptions['sub_post_type_to_export']) ? '' : $exportOptions['sub_post_type_to_export']
);
$exportQuery = $addon->add_on->get_query(0, 0, $filter_args);
} else {
remove_all_actions('parse_query');
remove_all_actions('pre_get_posts');
remove_all_filters('posts_clauses');
add_filter('posts_join', 'wp_all_export_posts_join', 10, 1);
add_filter('posts_where', 'wp_all_export_posts_where', 10, 1);
$exportQuery = new WP_Query(array('post_type' => $exportOptions['cpt'], 'post_status' => 'any', 'orderby' => 'title', 'order' => 'ASC', 'posts_per_page' => 10));
remove_filter('posts_where', 'wp_all_export_posts_where');
remove_filter('posts_join', 'wp_all_export_posts_join');
}
}
}
XmlExportEngine::$exportQuery = $exportQuery;
$engine->init_additional_data();
?>
<div id="post-preview" class="wpallexport-preview">
<p class="wpallexport-preview-title"><?php echo sprintf("Preview first 10 %s", esc_html(wp_all_export_get_cpt_name($exportOptions['cpt'], 10, $exportOptions))); ?></p>
<div class="wpallexport-preview-content">
<?php
if(!$custom_xml_valid) {
$error_msg = '<strong class="error">' . __('Invalid XML', 'wp_all_import_plugin') . '</strong><ul class="error">';
foreach($custom_xml_template_errors as $error) {
$error_msg .= '<li>';
$error_msg .= __('Line', 'wp_all_import_plugin') . ' ' . ($error->line + $line_difference) . ', ';
$error_msg .= __('Column', 'wp_all_import_plugin') . ' ' . $error->column . ', ';
$error_msg .= __('Code', 'wp_all_import_plugin') . ' ' . $error->code . ': ';
$error_msg .= '<em>' . trim(esc_html($error->message)) . '</em>';
$error_msg .= '</li>';
}
$error_msg .= '</ul>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
}
switch ($exportOptions['export_to']) {
case 'xml':
$dom = new DOMDocument('1.0', $exportOptions['encoding']);
libxml_use_internal_errors(true);
try{
$xml = XmlCsvExport::export_xml(true);
} catch (WpaeMethodNotFoundException $e) {
// Find the line where the function is
$errorMessage = '';
$functionName = $e->getMessage();
$txtParts = explode("\n",$originalXmlTemplate);
for ($i=0, $length = count($txtParts);$i<$length;$i++)
{
$tmp = strstr($txtParts[$i], $functionName);
if ($tmp) {
$errorMessage .= 'Error parsing XML feed: Call to undefined function <em>"'.$functionName.'"</em> on Line '.($i+1);
}
}
$error_msg = '<span class="error">'.__($errorMessage, 'wp_all_import_plugin').'</span>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
} catch (WpaeInvalidStringException $e) {
// Find the line where the function is
$errorMessage = '';
$functionName = $e->getMessage();
$txtParts = explode("\n",$originalXmlTemplate);
for ($i=0, $length = count($txtParts);$i<$length;$i++)
{
$tmp = strstr($txtParts[$i], $functionName);
if ($tmp) {
$errorMessage .= 'Error parsing XML feed: Unterminated string on line '.($i+1);
}
}
$error_msg = '<span class="error">'.__($errorMessage, 'wp_all_import_plugin').'</span>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
} catch (WpaeTooMuchRecursionException $e) {
$errorMessage = __('There was a problem parsing the custom XML template');
$error_msg = '<span class="error">'.__($errorMessage, 'wp_all_import_plugin').'</span>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
}
$xml_errors = false;
$main_xml_tag = '';
switch ( XmlExportEngine::$exportOptions['xml_template_type'] ){
case 'custom':
case 'XmlGoogleMerchants':
require_once PMXE_ROOT_DIR . '/classes/XMLWriter.php';
$preview_xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" . "\n<Preview>\n" . $xml . "\n</Preview>";
$preview_xml = str_replace('<![CDATA[', 'CDATABEGIN', $preview_xml);
$preview_xml = str_replace(']]>', 'CDATACLOSE', $preview_xml);
$preview_xml = str_replace('&', '&', $preview_xml);
$preview_xml = str_replace('&', '&', $preview_xml);
$xml = PMXE_XMLWriter::preprocess_xml( XmlExportEngine::$exportOptions['custom_xml_template_header'] ) . "\n" . $xml . "\n" . PMXE_XMLWriter::preprocess_xml( XmlExportEngine::$exportOptions['custom_xml_template_footer'] );
$xml = str_replace('<![CDATA[', 'CDATABEGIN', $xml);
$xml = str_replace(']]>', 'CDATACLOSE', $xml);
$xml = str_replace('&', '&', $xml);
$xml = str_replace('&', '&', $xml);
// Determine XML root element
preg_match_all("%<[\w]+[\s|>]{1}%", XmlExportEngine::$exportOptions['custom_xml_template_header'], $matches);
if ( ! empty($matches[0]) ){
$main_xml_tag = preg_replace("%[\s|<|>]%","",array_shift($matches[0]));
}
libxml_clear_errors();
$dom->loadXML($xml);
$xml_errors = libxml_get_errors();
libxml_clear_errors();
if (! $xml_errors ){
$xpath = new DOMXPath($dom);
if (($elements = @$xpath->query('/' . $main_xml_tag)) and $elements->length){
pmxe_render_xml_element($elements->item( 0 ), true);
}
else{
$xml_errors = true;
}
}
break;
default:
libxml_clear_errors();
$dom->loadXML($xml);
$xml_errors = libxml_get_errors();
libxml_clear_errors();
$xpath = new DOMXPath($dom);
// Determine XML root element
$main_xml_tag = apply_filters('wp_all_export_main_xml_tag', $exportOptions['main_xml_tag'], XmlExportEngine::$exportID);
$elements = @$xpath->query('/' . $main_xml_tag);
if ($elements->length){
pmxe_render_xml_element($elements->item( 0 ), true);
$xml_errors = false;
}
else{
$error_msg = '<strong>' . __('Can\'t preview the document.', 'wp_all_import_plugin') . '</strong><ul>';
$error_msg .= '<li>';
$error_msg .= __('You can continue export or try to use <data> tag as root element.', 'wp_all_import_plugin');
$error_msg .= '</li>';
$error_msg .= '</ul>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
}
break;
}
if ( $xml_errors ){
$preview_dom = new DOMDocument('1.0', $exportOptions['encoding']);
libxml_clear_errors();
$preview_dom->loadXML($preview_xml);
$preview_xml_errors = libxml_get_errors();
libxml_clear_errors();
if ($preview_xml_errors){
$error_msg = '<strong class="error">' . __('Invalid XML', 'wp_all_import_plugin') . '</strong><ul class="error">';
foreach($preview_xml_errors as $error) {
$error_msg .= '<li>';
$error_msg .= __('Line', 'wp_all_import_plugin') . ' ' . $error->line . ', ';
$error_msg .= __('Column', 'wp_all_import_plugin') . ' ' . $error->column . ', ';
$error_msg .= __('Code', 'wp_all_import_plugin') . ' ' . $error->code . ': ';
$error_msg .= '<em>' . trim(esc_html($error->message)) . '</em>';
$error_msg .= '</li>';
}
$error_msg .= '</ul>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
}
else{
$xpath = new DOMXPath($preview_dom);
if (($elements = @$xpath->query('/Preview')) and $elements->length){
pmxe_render_xml_element($elements->item( 0 ), true);
}
else{
$error_msg = '<strong>' . __('Can\'t preview the document. Root element is not detected.', 'wp_all_import_plugin') . '</strong><ul>';
$error_msg .= '<li>';
$error_msg .= __('You can continue export or try to use <data> tag as root element.', 'wp_all_import_plugin');
$error_msg .= '</li>';
$error_msg .= '</ul>';
echo wp_kses_post($error_msg);
exit( json_encode(array('html' => ob_get_clean())) );
}
}
}
break;
case 'csv':
?>
<small>
<?php
$csv = XmlCsvExport::export_csv( true );
if (!empty($csv)){
$csv_rows = array_filter(explode("\n", $csv));
if ($csv_rows){
?>
<table class="pmxe_preview" cellpadding="0" cellspacing="0">
<?php
foreach ($csv_rows as $rkey => $row) {
$cells = str_getcsv($row, $exportOptions['delimiter']);
if ($cells){
?>
<tr>
<?php
foreach ($cells as $key => $value) {
?>
<td>
<?php if (!$rkey):?><strong><?php endif;?>
<?php echo esc_html($value); ?>
<?php if (!$rkey):?></strong><?php endif;?>
</td>
<?php
}
?>
</tr>
<?php
}
}
?>
</table>
<?php
}
}
else{
_e('Data not found.', 'wp_all_export_plugin');
}
?>
</small>
<?php
break;
default:
_e('This format is not supported.', 'wp_all_export_plugin');
break;
}
wp_reset_postdata();
?>
</div>
</div>
<?php
exit(json_encode(array('html' => ob_get_clean()))); die;
}