114 lines
3.0 KiB
PHP

<?php
/**
* Post scheduler class file.
*
* @package Activitypub
*/
namespace Activitypub\Scheduler;
use function Activitypub\add_to_outbox;
use function Activitypub\get_wp_object_state;
use function Activitypub\is_post_disabled;
/**
* Post scheduler class.
*/
class Post {
/**
* Initialize the class, registering WordPress hooks.
*/
public static function init() {
// Post transitions.
\add_action( 'wp_after_insert_post', array( self::class, 'schedule_post_activity' ), 33, 4 );
// Attachment transitions.
\add_action( 'add_attachment', array( self::class, 'transition_attachment_status' ) );
\add_action( 'edit_attachment', array( self::class, 'transition_attachment_status' ) );
\add_action( 'delete_attachment', array( self::class, 'transition_attachment_status' ) );
}
/**
* Handle post updates and determine the appropriate Activity type.
*
* @param int $post_id Post ID.
* @param \WP_Post $post Post object.
* @param bool $update Whether this is an existing post being updated.
* @param \WP_Post $post_before Post object before the update.
*/
public static function schedule_post_activity( $post_id, $post, $update, $post_before ) {
if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
return;
}
if ( is_post_disabled( $post ) ) {
return;
}
// Bail on bulk edits, unless post author or post status changed.
if ( isset( $_REQUEST['bulk_edit'] ) && -1 === (int) $_REQUEST['post_author'] && -1 === (int) $_REQUEST['_status'] ) { // phpcs:ignore WordPress
return;
}
$new_status = get_post_status( $post );
$old_status = $post_before ? get_post_status( $post_before ) : null;
switch ( $new_status ) {
case 'publish':
$type = ( 'publish' === $old_status ) ? 'Update' : 'Create';
break;
case 'draft':
$type = ( 'publish' === $old_status ) ? 'Update' : false;
break;
case 'trash':
$type = 'federated' === get_wp_object_state( $post ) ? 'Delete' : false;
break;
default:
$type = false;
}
// Do not send Activities if `$type` is not set or unknown.
if ( empty( $type ) ) {
return;
}
// Add the post to the outbox.
add_to_outbox( $post, $type, $post->post_author );
}
/**
* Schedules Activities for attachment transitions.
*
* @param int $post_id Attachment ID.
*/
public static function transition_attachment_status( $post_id ) {
if ( \defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
return;
}
if ( ! \post_type_supports( 'attachment', 'activitypub' ) ) {
return;
}
$post = \get_post( $post_id );
switch ( \current_action() ) {
case 'add_attachment':
// Add the post to the outbox.
add_to_outbox( $post, 'Create', $post->post_author );
break;
case 'edit_attachment':
// Update the post to the outbox.
add_to_outbox( $post, 'Update', $post->post_author );
break;
case 'delete_attachment':
// Delete the post from the outbox.
add_to_outbox( $post, 'Delete', $post->post_author );
break;
}
}
}