class-ajax-media-library-scanner.php
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<?php
namespace Smush\Core\Media_Library;
use Smush\Core\Controller;
use Smush\Core\Helper;
use Smush\Core\Media\Media_Item_Query;
class Ajax_Media_Library_Scanner extends Controller {
const PARALLEL_REQUESTS = 5;
/**
* @var Media_Library_Scanner
*/
private $scanner;
public function __construct() {
$this->scanner = new Media_Library_Scanner();
$this->register_action( 'wp_ajax_wp_smush_before_scan_library', array( $this, 'before_scan_library' ) );
$this->register_action( 'wp_ajax_wp_smush_scan_library_slice', array( $this, 'scan_library_slice' ) );
$this->register_action( 'wp_ajax_wp_smush_after_scan_library', array( $this, 'after_scan_library' ) );
}
public function before_scan_library() {
check_ajax_referer( 'wp_smush_media_library_scanner' );
if ( ! Helper::is_user_allowed() ) {
wp_send_json_error();
}
$this->scanner->before_scan_library();
$slice_size = $this->scanner->get_slice_size();
$parallel_requests = $this->get_parallel_requests();
$query = new Media_Item_Query();
$image_attachment_count = $query->get_image_attachment_count();
$slice_count = $query->get_slice_count( $slice_size );
wp_send_json_success( array(
'image_attachment_count' => $image_attachment_count,
'slice_count' => $slice_count,
'slice_size' => $slice_size,
'parallel_requests' => $parallel_requests,
) );
}
public function scan_library_slice() {
check_ajax_referer( 'wp_smush_media_library_scanner' );
if ( ! Helper::is_user_allowed() ) {
wp_send_json_error();
}
$data = stripslashes_deep( $_POST );
if ( ! isset( $data['slice'] ) ) {
wp_send_json_error();
}
$slice = (int) $data['slice'];
wp_send_json_success( $this->scanner->scan_library_slice( $slice ) );
}
public function after_scan_library() {
check_ajax_referer( 'wp_smush_media_library_scanner' );
if ( ! Helper::is_user_allowed() ) {
wp_send_json_error();
}
$this->scanner->after_scan_library();
wp_send_json_success();
}
public function get_parallel_requests() {
return self::PARALLEL_REQUESTS;
}
}