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<?php
namespace ACP\Export\Strategy;
use AC\ListScreen;
use ACP\Export\Strategy;
use WP_Comment_Query;
/**
* Exportability class for comments list screen
* @property ListScreen\Comment $list_screen
*/
class Comment extends Strategy {
/**
* @param ListScreen\Comment $list_screen
*/
public function __construct( ListScreen\Comment $list_screen ) {
parent::__construct( $list_screen );
}
/**
* @since 1.0
* @see ACP_Export_ExportableListScreen::ajax_export()
*/
protected function ajax_export() {
add_action( 'parse_comment_query', [ $this, 'comments_query' ], PHP_INT_MAX - 100 );
}
/**
* Catch the comments query and run it with altered parameters for pagination. This should be
* attached to the parse_comment_query hook when an AJAX request is sent
*
* @param $query
*
* @see action:pre_get_posts
* @since 1.0
*/
public function comments_query( $query ) {
if ( ! $query->query_vars['count'] ) {
$per_page = $this->get_num_items_per_iteration();
$query->query_vars['offset'] = $this->get_export_counter() * $per_page;
$query->query_vars['number'] = $per_page;
$query->query_vars['fields'] = 'ids';
remove_action( 'parse_comment_query', [ $this, __FUNCTION__ ], PHP_INT_MAX - 100 );
$modified_query = new WP_Comment_Query( $query->query_vars );
$comments = $modified_query->get_comments();
$this->export( $comments );
}
}
}
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