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<?php
/**
* Smush integration with Rest API: Rest class
*
* @package Smush\Core
* @since 2.8.0
*
* @author Anton Vanyukov <anton@incsub.com>
*
* @copyright (c) 2018, Incsub (http://incsub.com)
*/
namespace Smush\Core;
use WP_Smush;
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* Singleton class Rest for extending the WordPress REST API interface.
*
* @since 2.8.0
*/
class Rest {
/**
* Rest constructor.
*/
public function __construct() {
// Register smush meta fields and callbacks for the image object in the
// wp-json/wp/v2/media REST API endpoint.
add_action( 'rest_api_init', array( $this, 'register_smush_meta' ) );
}
/**
* Callback for rest_api_init action.
*
* @since 2.8.0
*/
public function register_smush_meta() {
register_rest_field(
'attachment',
'smush',
array(
'get_callback' => array( $this, 'register_image_stats' ),
'schema' => array(
'description' => __( 'Smush data.', 'wp-smushit' ),
'type' => 'string',
),
)
);
}
/**
* Add image stats to the wp-json/wp/v2/media REST API endpoint.
*
* Will add the stats from wp-smpro-smush-data image meta key to the media REST API endpoint.
* If image is Smushed, the stats from the meta can be queried, if the not - the status of Smushing
* will be displayed as a string in the API.
*
* @since 2.8.0
*
* @link https://developer.wordpress.org/rest-api/reference/media/
*
* @param array $image Image array.
*
* @return array|string
*/
public function register_image_stats( $image ) {
if ( get_option( 'smush-in-progress-' . $image['id'], false ) ) {
$status_txt = __( 'Smushing in progress', 'wp-smushit' );
return $status_txt;
}
$wp_smush_data = get_post_meta( $image['id'], Modules\Smush::$smushed_meta_key, true );
if ( empty( $wp_smush_data ) ) {
$status_txt = __( 'Not processed', 'wp-smushit' );
return $status_txt;
}
$wp_resize_savings = get_post_meta( $image['id'], WP_SMUSH_PREFIX . 'resize_savings', true );
$conversion_savings = get_post_meta( $image['id'], WP_SMUSH_PREFIX . 'pngjpg_savings', true );
$combined_stats = WP_Smush::get_instance()->core()->combined_stats( $wp_smush_data, $wp_resize_savings );
$combined_stats = WP_Smush::get_instance()->core()->combine_conversion_stats( $combined_stats, $conversion_savings );
return $combined_stats;
}
}
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