Add main product image from url to woocomerce php code

public function AddImage($file, $post_id,$desc = null){
  require_once(ABSPATH . 'wp-admin/includes/media.php');
  require_once(ABSPATH . 'wp-admin/includes/file.php');
  require_once(ABSPATH . 'wp-admin/includes/image.php'); 
  
  $file = "http://".$file;
   
  if ( ! empty( $file ) ) {
 
                 // Set variables for storage, fix file filename for query strings.
                 preg_match( '/[^?]+.(jpe?g|jpe|gif|png)b/i', $file, $matches );
                 if ( ! $matches ) {
                         return new WP_Error( 'image_sideload_failed', __( 'Invalid image URL' ) );
                 }
 
                 $file_array = array();
                 $file_array['name'] = basename( $matches[0] );
 
                 // Download file to temp location.
                 $file_array['tmp_name'] = download_url( $file );
 
                 // If error storing temporarily, return the error.
                 if ( is_wp_error( $file_array['tmp_name'] ) ) {
                         return $file_array['tmp_name'];
                 }
 
                 // Do the validation and storage stuff.
                 $id = media_handle_sideload( $file_array, $post_id, $desc );
 
                 // If error storing permanently, unlink.
                 if ( is_wp_error( $id ) ) {
                         @unlink( $file_array['tmp_name'] );
                         return $id;
                 }
       
     set_post_thumbnail($post_id, $id);
                 
         }

  
 }