wordpress-activitypub/includes/rest/class-collection.php

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<?php
namespace Activitypub\Rest;
use WP_REST_Server;
use WP_REST_Response;
use Activitypub\Transformer\Post;
use function Activitypub\esc_hashtag;
use function Activitypub\get_rest_url_by_path;
/**
* ActivityPub Collections REST-Class
*
* @author Matthias Pfefferle
*
* @see https://docs.joinmastodon.org/spec/activitypub/#featured
* @see https://docs.joinmastodon.org/spec/activitypub/#featuredTags
*/
class Collection {
/**
* Initialize the class, registering WordPress hooks
*/
public static function init() {
\add_action( 'rest_api_init', array( self::class, 'register_routes' ) );
}
/**
* Register routes
*/
public static function register_routes() {
\register_rest_route(
ACTIVITYPUB_REST_NAMESPACE,
'/users/(?P<user_id>[\w\-\.]+)/collections/tags',
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( self::class, 'tags_get' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
\register_rest_route(
ACTIVITYPUB_REST_NAMESPACE,
'/users/(?P<user_id>[\w\-\.]+)/collections/featured',
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( self::class, 'featured_get' ),
'args' => self::request_parameters(),
'permission_callback' => '__return_true',
),
)
);
}
/**
* The Featured Tags endpoint
*
* @param WP_REST_Request $request The request object.
*
* @return WP_REST_Response The response object.
*/
public static function tags_get( $request ) {
$user_id = $request->get_param( 'user_id' );
$number = 4;
$tags = \get_terms(
array(
'taxonomy' => 'post_tag',
'orderby' => 'count',
'order' => 'DESC',
'number' => $number,
)
);
if ( is_wp_error( $tags ) ) {
$tags = array();
}
$response = array(
'@context' => 'https://www.w3.org/ns/activitystreams',
array(
'Hashtah' => 'as:Hastag',
),
'id' => get_rest_url_by_path( sprintf( 'users/%d/collections/tags', $user_id ) ),
'totalItems' => count( $tags ),
'items' => array(),
);
foreach ( $tags as $tag ) {
$response['items'][] = array(
'type' => 'Hashtag',
'href' => \esc_url( \get_tag_link( $tag ) ),
'name' => esc_hashtag( $tag->name ),
);
}
return new WP_REST_Response( $response, 200 );
}
/**
* Featured posts endpoint
*
* @param WP_REST_Request $request The request object.
*
* @return WP_REST_Response The response object.
*/
public static function featured_get( $request ) {
$user_id = $request->get_param( 'user_id' );
$args = array(
'post__in' => \get_option( 'sticky_posts' ),
'ignore_sticky_posts' => 1,
);
if ( $user_id > 0 ) {
$args['author'] = $user_id;
}
$posts = \get_posts( $args );
$response = array(
'@context' => 'https://www.w3.org/ns/activitystreams',
array(
'ostatus' => 'http://ostatus.org#',
'atomUri' => 'ostatus:atomUri',
'inReplyToAtomUri' => 'ostatus:inReplyToAtomUri',
'conversation' => 'ostatus:conversation',
'sensitive' => 'as:sensitive',
'toot' => 'http://joinmastodon.org/ns#',
'votersCount' => 'toot:votersCount',
),
'id' => get_rest_url_by_path( sprintf( 'users/%d/collections/featured', $user_id ) ),
'totalItems' => count( $posts ),
'items' => array(),
);
foreach ( $posts as $post ) {
$response['items'][] = Post::transform( $post )->to_object()->to_array();
}
return new WP_REST_Response( $response, 200 );
}
/**
* The supported parameters
*
* @return array list of parameters
*/
public static function request_parameters() {
$params = array();
$params['user_id'] = array(
'required' => true,
'type' => 'string',
);
return $params;
}
}