<?php namespace Activitypub; use Activitypub\Collection\Followers; use Activitypub\Collection\Users as User_Collection; use Activitypub\is_user_type_disabled; class Blocks { public static function init() { // this is already being called on the init hook, so just add it. self::register_blocks(); \add_action( 'wp_enqueue_scripts', array( self::class, 'add_data' ) ); \add_action( 'enqueue_block_editor_assets', array( self::class, 'add_data' ) ); } public static function add_data() { $context = is_admin() ? 'editor' : 'view'; $followers_handle = 'activitypub-followers-' . $context . '-script'; $follow_me_handle = 'activitypub-follow-me-' . $context . '-script'; $data = array( 'namespace' => ACTIVITYPUB_REST_NAMESPACE, 'enabled' => array( 'site' => ! is_user_type_disabled( 'blog' ), 'users' => ! is_user_type_disabled( 'user' ), ), ); $js = sprintf( 'var _activityPubOptions = %s;', wp_json_encode( $data ) ); \wp_add_inline_script( $followers_handle, $js, 'before' ); \wp_add_inline_script( $follow_me_handle, $js, 'before' ); } public static function register_blocks() { \register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/followers', array( 'render_callback' => array( self::class, 'render_follower_block' ), ) ); \register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/follow-me', array( 'render_callback' => array( self::class, 'render_follow_me_block' ), ) ); } private static function get_user_id( $user_string ) { if ( is_numeric( $user_string ) ) { return absint( $user_string ); } // any other non-numeric falls back to 0, including the `site` string used in the UI return 0; } /** * Filter an array by a list of keys. * @param array $array The array to filter. * @param array $keys The keys to keep. * @return array The filtered array. */ protected static function filter_array_by_keys( $array, $keys ) { return array_intersect_key( $array, array_flip( $keys ) ); } /** * Render the follow me block. * @param array $attrs The block attributes. * @return string The HTML to render. */ public static function render_follow_me_block( $attrs ) { $user_id = self::get_user_id( $attrs['selectedUser'] ); $user = User_Collection::get_by_id( $user_id ); if ( ! is_wp_error( $user ) ) { $attrs['profileData'] = self::filter_array_by_keys( $user->to_array(), array( 'icon', 'name', 'resource' ) ); } $wrapper_attributes = get_block_wrapper_attributes( array( 'aria-label' => __( 'Follow me on the Fediverse', 'activitypub' ), 'class' => 'activitypub-follow-me-block-wrapper', 'data-attrs' => wp_json_encode( $attrs ), ) ); // todo: render more than an empty div? return '<div ' . $wrapper_attributes . '></div>'; } public static function render_follower_block( $attrs ) { $followee_user_id = self::get_user_id( $attrs['selectedUser'] ); $per_page = absint( $attrs['per_page'] ); $follower_data = Followers::get_followers_with_count( $followee_user_id, $per_page ); $attrs['followerData']['total'] = $follower_data['total']; $attrs['followerData']['followers'] = array_map( function( $follower ) { return self::filter_array_by_keys( $follower->to_array(), array( 'icon', 'name', 'preferredUsername', 'url' ) ); }, $follower_data['followers'] ); $wrapper_attributes = get_block_wrapper_attributes( array( 'aria-label' => __( 'Fediverse Followers', 'activitypub' ), 'class' => 'activitypub-follower-block', 'data-attrs' => wp_json_encode( $attrs ), ) ); $html = '<div ' . $wrapper_attributes . '>'; if ( $attrs['title'] ) { $html .= '<h3>' . esc_html( $attrs['title'] ) . '</h3>'; } $html .= '<ul>'; foreach ( $follower_data['followers'] as $follower ) { $html .= '<li>' . self::render_follower( $follower ) . '</li>'; } // We are only pagination on the JS side. Could be revisited but we gotta ship! $html .= '</ul></div>'; return $html; } public static function render_follower( $follower ) { $external_svg = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" class="components-external-link__icon css-rvs7bx esh4a730" aria-hidden="true" focusable="false"><path d="M18.2 17c0 .7-.6 1.2-1.2 1.2H7c-.7 0-1.2-.6-1.2-1.2V7c0-.7.6-1.2 1.2-1.2h3.2V4.2H7C5.5 4.2 4.2 5.5 4.2 7v10c0 1.5 1.2 2.8 2.8 2.8h10c1.5 0 2.8-1.2 2.8-2.8v-3.6h-1.5V17zM14.9 3v1.5h3.7l-6.4 6.4 1.1 1.1 6.4-6.4v3.7h1.5V3h-6.3z"></path></svg>'; $template = '<a href="%s" title="%s" class="components-external-link activitypub-link" target="_blank" rel="external noreferrer noopener"> <img width="40" height="40" src="%s" class="avatar activitypub-avatar" /> <span class="activitypub-actor"> <strong class="activitypub-name">%s</strong> <span class="sep">/</span> <span class="activitypub-handle">@%s</span> </span> %s </a>'; $data = $follower->to_array(); return sprintf( $template, esc_url( $data['url'] ), esc_attr( $data['name'] ), esc_attr( $data['icon']['url'] ), esc_html( $data['name'] ), esc_html( $data['preferredUsername'] ), $external_svg ); } }