119 lines
3.0 KiB
PHP
119 lines
3.0 KiB
PHP
<?php
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/**
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* All functionality to regenerate images in the background when settings change.
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*
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* @package WooCommerce/Classes
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* @version 3.3.0
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* @since 3.3.0
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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if ( ! class_exists( 'WP_Async_Request', false ) ) {
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include_once dirname( __FILE__ ) . '/libraries/wp-async-request.php';
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}
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if ( ! class_exists( 'WP_Background_Process', false ) ) {
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include_once dirname( __FILE__ ) . '/libraries/wp-background-process.php';
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}
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/**
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* Class that extends WP_Background_Process to process image regeneration in the background
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*/
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class WC_Regenerate_Images_Request extends WP_Background_Process {
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/**
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* Initiate new background process.
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*/
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public function __construct() {
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// Uses unique prefix per blog so each blog has separate queue.
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$this->prefix = 'wp_' . get_current_blog_id();
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$this->action = 'wc_regenerate_images';
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parent::__construct();
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}
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/**
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* Fires when the job should start
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*
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* @return void
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*/
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public function dispatch() {
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$log = wc_get_logger();
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$log->info( __( 'Starting product image regeneration job.', 'woocommerce' ),
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array(
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'source' => 'wc-image-regeneration',
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)
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);
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parent::dispatch();
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}
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/**
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* Code to execute for each item in the queue
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*
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* @param mixed $item Queue item to iterate over.
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* @return bool
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*/
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protected function task( $item ) {
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if ( ! is_array( $item ) && ! isset( $item['attachment_id'] ) ) {
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return false;
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}
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if ( ! function_exists( 'wp_crop_image' ) ) {
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include ABSPATH . 'wp-admin/includes/image.php';
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}
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$attachment_id = absint( $item['attachment_id'] );
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$attachment = get_post( $attachment_id );
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if ( ! $attachment || 'attachment' !== $attachment->post_type || 'image/' !== substr( $attachment->post_mime_type, 0, 6 ) ) {
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return false;
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}
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$log = wc_get_logger();
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// translators: %s: ID of the attachment.
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$log->info( sprintf( __( 'Regenerating images for attachment ID: %s', 'woocommerce' ), absint( $attachment->ID ) ),
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array(
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'source' => 'wc-image-regeneration',
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)
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);
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$fullsizepath = get_attached_file( $attachment->ID );
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// Check if the file exists, if not just remove item from queue.
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if ( false === $fullsizepath || ! file_exists( $fullsizepath ) ) {
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return false;
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}
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// This function will generate the new image sizes.
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$metadata = wp_generate_attachment_metadata( $attachment->ID, $fullsizepath );
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// If something went wrong lets just remove the item from the queue.
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if ( is_wp_error( $metadata ) || empty( $metadata ) ) {
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return false;
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}
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// Update the meta data with the new size values.
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wp_update_attachment_metadata( $attachment->ID, $metadata );
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// We made it till the end, now lets remove the item from the queue.
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return false;
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}
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/**
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* This runs once the job has completed all items on the queue.
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*
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* @return void
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*/
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protected function complete() {
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parent::complete();
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$log = wc_get_logger();
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$log->info( __( 'Completed product image regeneration job.', 'woocommerce' ),
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array(
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'source' => 'wc-image-regeneration',
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)
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);
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}
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}
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