woocommerce/includes/class-wc-regenerate-images-...

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<?php
/**
* All functionality to regenerate images in the background when settings change.
*
* @category Images
* @package WooCommerce/Classes
* @author Automattic
* @version 3.3.0
* @since 3.3.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Class that extends WP_Background_Process to process image regeneration in the background
*/
class WC_Regenerate_Images_Request extends WP_Background_Process {
/**
* Action to hook onto
*
* @var string
*/
protected $action = 'woocommerce_regenerate_images';
/**
* Fires when the job should start
*
* @return void
*/
public function dispatch() {
$log = wc_get_logger();
$log->info( __( 'Starting product image regeneration job.', 'woocommerce' ) );
parent::dispatch();
}
/**
* Code to execute for each item in the queue
*
* @param mixed $item Queue item to iterate over.
* @return bool
*/
protected function task( $item ) {
$message = $this->get_message( $item );
$this->really_long_running_task();
if ( ! is_array( $message ) && ! isset( $message['attachment_id'] ) ) {
return false;
}
$attachment_id = absint( $message['attachment_id'] );
$attachment = get_post( $attachment_id );
if ( ! $attachment || 'attachment' !== $attachment->post_type || 'image/' != substr( $attachment->post_mime_type, 0, 6 ) ) {
return false;
}
$fullsizepath = get_attached_file( $attachment->ID );
// Check if the file exists, if not just remove item from queue.
if ( false === $fullsizepath || ! file_exists( $fullsizepath ) ) {
return false;
}
// This function will generate the new image sizes.
$metadata = wp_generate_attachment_metadata( $attachment->ID, $fullsizepath );
// If something went wrong lets just remove the item from the queue.
if ( is_wp_error( $metadata ) || empty( $metadata ) ) {
return false;
}
// Update the meta data with the new size values.
wp_update_attachment_metadata( $attachment->ID, $metadata );
// We made it till the end, now lets remove the item from the queue.
return false;
}
/**
* This runs once the job has completed all items on the queue.
*
* @return void
*/
protected function complete() {
parent::complete();
$log = wc_get_logger();
$log->info( __( 'Completed product image regeneration job.', 'woocommerce' ) );
}
}