81 lines
1.9 KiB
PHP

<?php
/**
* Like handler file.
*
* @package Activitypub
*/
namespace Activitypub\Handler;
use Activitypub\Comment;
use Activitypub\Collection\Interactions;
use function Activitypub\object_to_uri;
/**
* Handle Like requests.
*/
class Like {
/**
* Initialize the class, registering WordPress hooks.
*/
public static function init() {
\add_action( 'activitypub_inbox_like', array( self::class, 'handle_like' ), 10, 2 );
\add_filter( 'activitypub_get_outbox_activity', array( self::class, 'outbox_activity' ) );
}
/**
* Handles "Like" requests.
*
* @param array $like The Activity array.
* @param int $user_id The ID of the local blog user.
*/
public static function handle_like( $like, $user_id ) {
if ( ! Comment::is_comment_type_enabled( 'like' ) ) {
return;
}
$url = object_to_uri( $like['object'] );
if ( empty( $url ) ) {
return;
}
$exists = Comment::object_id_to_comment( esc_url_raw( $url ) );
if ( $exists ) {
return;
}
$state = Interactions::add_reaction( $like );
$reaction = null;
if ( $state && ! is_wp_error( $state ) ) {
$reaction = get_comment( $state );
}
/**
* Fires after a Like has been handled.
*
* @param array $like The Activity array.
* @param int $user_id The ID of the local blog user.
* @param mixed $state The state of the reaction.
* @param mixed $reaction The reaction object.
*/
do_action( 'activitypub_handled_like', $like, $user_id, $state, $reaction );
}
/**
* Set the object to the object ID.
*
* @param \Activitypub\Activity\Activity $activity The Activity object.
* @return \Activitypub\Activity\Activity The filtered Activity object.
*/
public static function outbox_activity( $activity ) {
if ( 'Like' === $activity->get_type() ) {
$activity->set_object( object_to_uri( $activity->get_object() ) );
}
return $activity;
}
}