laipower/wp-content/plugins/activitypub/includes/peer/class-followers.php

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2020-04-07 13:03:04 +00:00
<?php
namespace Activitypub\Peer;
/**
* ActivityPub Followers DB-Class
*
* @author Matthias Pfefferle
*/
class Followers {
public static function get_followers( $author_id ) {
$followers = \get_user_option( 'activitypub_followers', $author_id );
if ( ! $followers ) {
return array();
}
foreach ( $followers as $key => $follower ) {
if (
\is_array( $follower ) &&
isset( $follower['type'] ) &&
'Person' === $follower['type'] &&
isset( $follower['id'] ) &&
false !== \filter_var( $follower['id'], FILTER_VALIDATE_URL )
) {
$followers[ $key ] = $follower['id'];
}
}
return $followers;
}
public static function count_followers( $author_id ) {
$followers = self::get_followers( $author_id );
return \count( $followers );
}
public static function add_follower( $actor, $author_id ) {
$followers = \get_user_option( 'activitypub_followers', $author_id );
if ( ! \is_string( $actor ) ) {
if (
\is_array( $actor ) &&
isset( $actor['type'] ) &&
'Person' === $actor['type'] &&
isset( $actor['id'] ) &&
false !== \filter_var( $actor['id'], FILTER_VALIDATE_URL )
) {
$actor = $actor['id'];
}
return new \WP_Error( 'invalid_actor_object', \__( 'Unknown Actor schema', 'activitypub' ), array(
'status' => 404,
) );
}
if ( ! \is_array( $followers ) ) {
$followers = array( $actor );
} else {
$followers[] = $actor;
}
$followers = \array_unique( $followers );
\update_user_meta( $author_id, 'activitypub_followers', $followers );
}
public static function remove_follower( $actor, $author_id ) {
$followers = \get_user_option( 'activitypub_followers', $author_id );
foreach ( $followers as $key => $value ) {
if ( $value === $actor ) {
unset( $followers[ $key ] );
}
}
\update_user_meta( $author_id, 'activitypub_followers', $followers );
}
}