You've already forked wp-fedistream
feat: Initial release v0.1.0
WP FediStream - Stream music over ActivityPub Features: - Custom post types: Artist, Album, Track, Playlist - Custom taxonomies: Genre, Mood, License - User roles: Artist, Label - Admin dashboard with statistics - Frontend templates and shortcodes - Audio player with queue management - ActivityPub integration with actor support - WooCommerce product types for albums/tracks - User library with favorites and history - Notification system (in-app and email) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
480
includes/ActivityPub/Integration.php
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480
includes/ActivityPub/Integration.php
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<?php
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/**
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* ActivityPub integration main class.
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*
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* @package WP_FediStream
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*/
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namespace WP_FediStream\ActivityPub;
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// Prevent direct file access.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Main ActivityPub integration class.
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*
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* Integrates WP FediStream with the WordPress ActivityPub plugin.
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*/
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class Integration {
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/**
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* Whether the ActivityPub plugin is active.
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*
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* @var bool
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*/
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private bool $activitypub_active = false;
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/**
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* Constructor.
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*/
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public function __construct() {
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// Check if ActivityPub plugin is available.
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add_action( 'plugins_loaded', array( $this, 'check_activitypub' ), 5 );
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// Initialize integration after ActivityPub is loaded.
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add_action( 'plugins_loaded', array( $this, 'init' ), 20 );
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}
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/**
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* Check if the ActivityPub plugin is active.
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*
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* @return void
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*/
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public function check_activitypub(): void {
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$this->activitypub_active = defined( 'ACTIVITYPUB_PLUGIN_VERSION' )
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|| class_exists( '\Activitypub\Activitypub' );
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}
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/**
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* Initialize the ActivityPub integration.
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*
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* @return void
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*/
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public function init(): void {
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if ( ! $this->activitypub_active ) {
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return;
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}
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// Register custom post types for ActivityPub.
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add_filter( 'activitypub_post_types', array( $this, 'register_post_types' ) );
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// Register custom transformers.
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add_filter( 'activitypub_transformers', array( $this, 'register_transformers' ) );
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// Register artist actors.
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add_action( 'init', array( $this, 'register_artist_actors' ), 20 );
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// Add custom properties to ActivityPub objects.
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add_filter( 'activitypub_activity_object_array', array( $this, 'add_audio_properties' ), 10, 3 );
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// Handle incoming activities.
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add_action( 'activitypub_inbox_like', array( $this, 'handle_like' ), 10, 2 );
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add_action( 'activitypub_inbox_announce', array( $this, 'handle_announce' ), 10, 2 );
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add_action( 'activitypub_inbox_create', array( $this, 'handle_create' ), 10, 2 );
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// Add hooks for publishing.
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add_action( 'publish_fedistream_track', array( $this, 'on_publish_track' ), 10, 2 );
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add_action( 'publish_fedistream_album', array( $this, 'on_publish_album' ), 10, 2 );
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}
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/**
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* Check if ActivityPub is active.
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*
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* @return bool
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*/
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public function is_active(): bool {
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return $this->activitypub_active;
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}
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/**
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* Register FediStream post types with ActivityPub.
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*
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* @param array $post_types The registered post types.
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* @return array Modified post types.
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*/
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public function register_post_types( array $post_types ): array {
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$post_types[] = 'fedistream_track';
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$post_types[] = 'fedistream_album';
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$post_types[] = 'fedistream_playlist';
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return array_unique( $post_types );
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}
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/**
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* Register custom transformers for FediStream post types.
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*
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* @param array $transformers The registered transformers.
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* @return array Modified transformers.
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*/
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public function register_transformers( array $transformers ): array {
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$transformers['fedistream_track'] = TrackTransformer::class;
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$transformers['fedistream_album'] = AlbumTransformer::class;
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$transformers['fedistream_playlist'] = PlaylistTransformer::class;
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return $transformers;
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}
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/**
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* Register artist actors for ActivityPub.
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*
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* @return void
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*/
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public function register_artist_actors(): void {
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// Hook into ActivityPub actor discovery.
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add_filter( 'activitypub_actor', array( $this, 'get_artist_actor' ), 10, 2 );
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// Add artist webfinger handler.
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add_filter( 'webfinger_data', array( $this, 'add_artist_webfinger' ), 10, 2 );
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}
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/**
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* Get artist actor for ActivityPub.
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*
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* @param mixed $actor The current actor.
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* @param string $id The actor ID or handle.
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* @return mixed The actor object or original.
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*/
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public function get_artist_actor( $actor, string $id ) {
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// Check if this is an artist handle.
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if ( strpos( $id, 'artist-' ) === 0 ) {
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$artist_id = absint( str_replace( 'artist-', '', $id ) );
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$artist = get_post( $artist_id );
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if ( $artist && 'fedistream_artist' === $artist->post_type ) {
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return new ArtistActor( $artist );
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}
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}
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return $actor;
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}
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/**
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* Add artist to webfinger data.
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*
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* @param array $data The webfinger data.
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* @param string $resource The requested resource.
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* @return array Modified webfinger data.
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*/
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public function add_artist_webfinger( array $data, string $resource ): array {
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// Parse acct: URI.
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if ( preg_match( '/^acct:artist-(\d+)@/', $resource, $matches ) ) {
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$artist_id = absint( $matches[1] );
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$artist = get_post( $artist_id );
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if ( $artist && 'fedistream_artist' === $artist->post_type ) {
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$actor = new ArtistActor( $artist );
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$data = $actor->get_webfinger();
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}
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}
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return $data;
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}
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/**
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* Add audio-specific properties to ActivityPub objects.
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*
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* @param array $array The object array.
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* @param object $object The ActivityPub object.
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* @param int $post_id The post ID.
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* @return array Modified array.
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*/
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public function add_audio_properties( array $array, $object, int $post_id ): array {
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$post = get_post( $post_id );
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if ( ! $post ) {
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return $array;
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}
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// Add audio-specific properties for tracks.
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if ( 'fedistream_track' === $post->post_type ) {
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$duration = get_post_meta( $post_id, '_fedistream_duration', true );
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if ( $duration ) {
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$array['duration'] = $this->format_duration_iso8601( (int) $duration );
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}
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$audio_id = get_post_meta( $post_id, '_fedistream_audio_file', true );
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$audio_url = $audio_id ? wp_get_attachment_url( $audio_id ) : '';
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if ( $audio_url ) {
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$array['attachment'][] = array(
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'type' => 'Audio',
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'mediaType' => 'audio/mpeg',
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'url' => $audio_url,
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'name' => $post->post_title,
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'duration' => $this->format_duration_iso8601( (int) $duration ),
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);
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}
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}
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return $array;
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}
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/**
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* Handle incoming Like activity.
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*
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* @param array $activity The activity data.
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* @param int $user_id The user ID (actor).
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* @return void
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*/
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public function handle_like( array $activity, int $user_id ): void {
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$object_id = $activity['object'] ?? '';
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if ( ! $object_id ) {
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return;
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}
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// Find local post from object ID.
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$post_id = url_to_postid( $object_id );
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if ( ! $post_id ) {
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return;
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}
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$post = get_post( $post_id );
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if ( ! $post || ! in_array( $post->post_type, array( 'fedistream_track', 'fedistream_album' ), true ) ) {
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return;
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}
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// Record the like.
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$this->record_reaction( $post_id, $activity['actor'] ?? '', 'like', $activity );
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}
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/**
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* Handle incoming Announce (boost) activity.
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*
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* @param array $activity The activity data.
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* @param int $user_id The user ID (actor).
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* @return void
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*/
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public function handle_announce( array $activity, int $user_id ): void {
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$object_id = $activity['object'] ?? '';
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if ( ! $object_id ) {
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return;
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}
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// Find local post from object ID.
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$post_id = url_to_postid( $object_id );
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if ( ! $post_id ) {
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return;
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}
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$post = get_post( $post_id );
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if ( ! $post || ! in_array( $post->post_type, array( 'fedistream_track', 'fedistream_album' ), true ) ) {
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return;
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}
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// Record the boost.
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$this->record_reaction( $post_id, $activity['actor'] ?? '', 'boost', $activity );
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}
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/**
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* Handle incoming Create activity (comments/replies).
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*
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* @param array $activity The activity data.
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* @param int $user_id The user ID (actor).
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* @return void
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*/
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public function handle_create( array $activity, int $user_id ): void {
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$object = $activity['object'] ?? array();
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if ( empty( $object ) ) {
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return;
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}
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// Check if this is a reply to our content.
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$in_reply_to = $object['inReplyTo'] ?? '';
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if ( ! $in_reply_to ) {
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return;
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}
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// Find local post from reply target.
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$post_id = url_to_postid( $in_reply_to );
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if ( ! $post_id ) {
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return;
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}
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$post = get_post( $post_id );
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if ( ! $post || ! in_array( $post->post_type, array( 'fedistream_track', 'fedistream_album' ), true ) ) {
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return;
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}
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// Record the reply.
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$this->record_reaction( $post_id, $activity['actor'] ?? '', 'reply', $activity );
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}
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/**
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* Record a reaction from the Fediverse.
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*
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* @param int $post_id The post ID.
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* @param string $actor The actor URI.
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* @param string $type The reaction type (like, boost, reply).
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* @param array $activity The full activity data.
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* @return bool True on success.
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*/
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private function record_reaction( int $post_id, string $actor, string $type, array $activity ): bool {
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global $wpdb;
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$table = $wpdb->prefix . 'fedistream_reactions';
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// Check if table exists.
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// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
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$table_exists = $wpdb->get_var(
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$wpdb->prepare(
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'SHOW TABLES LIKE %s',
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$table
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)
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);
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if ( ! $table_exists ) {
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$this->create_reactions_table();
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}
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// Insert reaction.
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// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
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$result = $wpdb->insert(
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$table,
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array(
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'post_id' => $post_id,
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'actor_uri' => $actor,
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'reaction_type' => $type,
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'activity_data' => wp_json_encode( $activity ),
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'created_at' => current_time( 'mysql' ),
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),
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array( '%d', '%s', '%s', '%s', '%s' )
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);
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// Update reaction count meta.
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if ( $result ) {
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$meta_key = '_fedistream_' . $type . '_count';
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$count = (int) get_post_meta( $post_id, $meta_key, true );
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update_post_meta( $post_id, $meta_key, $count + 1 );
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}
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return (bool) $result;
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}
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/**
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* Create the reactions table.
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*
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* @return void
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*/
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private function create_reactions_table(): void {
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global $wpdb;
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$table = $wpdb->prefix . 'fedistream_reactions';
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$charset = $wpdb->get_charset_collate();
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$sql = "CREATE TABLE IF NOT EXISTS {$table} (
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id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
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post_id bigint(20) unsigned NOT NULL,
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actor_uri varchar(2083) NOT NULL,
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reaction_type varchar(50) NOT NULL,
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activity_data longtext,
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created_at datetime NOT NULL,
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PRIMARY KEY (id),
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KEY post_id (post_id),
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KEY actor_uri (actor_uri(191)),
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KEY reaction_type (reaction_type)
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) {$charset};";
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require_once ABSPATH . 'wp-admin/includes/upgrade.php';
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dbDelta( $sql );
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}
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/**
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* Handle track publishing.
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*
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* @param int $post_id The post ID.
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* @param \WP_Post $post The post object.
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* @return void
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*/
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public function on_publish_track( int $post_id, \WP_Post $post ): void {
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// The ActivityPub plugin will handle the publishing automatically.
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// This hook is for any additional custom logic.
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do_action( 'fedistream_track_published_activitypub', $post_id, $post );
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}
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/**
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* Handle album publishing.
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*
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* @param int $post_id The post ID.
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* @param \WP_Post $post The post object.
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* @return void
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*/
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public function on_publish_album( int $post_id, \WP_Post $post ): void {
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// The ActivityPub plugin will handle the publishing automatically.
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// This hook is for any additional custom logic.
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do_action( 'fedistream_album_published_activitypub', $post_id, $post );
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}
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/**
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* Format duration as ISO 8601.
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*
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* @param int $seconds The duration in seconds.
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* @return string ISO 8601 duration.
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*/
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private function format_duration_iso8601( int $seconds ): string {
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$hours = floor( $seconds / 3600 );
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$minutes = floor( ( $seconds % 3600 ) / 60 );
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$secs = $seconds % 60;
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$duration = 'PT';
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if ( $hours > 0 ) {
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$duration .= $hours . 'H';
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}
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if ( $minutes > 0 ) {
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$duration .= $minutes . 'M';
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}
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if ( $secs > 0 || ( $hours === 0 && $minutes === 0 ) ) {
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$duration .= $secs . 'S';
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}
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return $duration;
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}
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/**
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* Get reactions for a post.
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*
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* @param int $post_id The post ID.
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* @param string $type Optional reaction type filter.
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* @return array The reactions.
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*/
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public function get_reactions( int $post_id, string $type = '' ): array {
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global $wpdb;
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$table = $wpdb->prefix . 'fedistream_reactions';
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if ( $type ) {
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// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
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$results = $wpdb->get_results(
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$wpdb->prepare(
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"SELECT * FROM {$table} WHERE post_id = %d AND reaction_type = %s ORDER BY created_at DESC",
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$post_id,
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$type
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)
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);
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} else {
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// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
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$results = $wpdb->get_results(
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$wpdb->prepare(
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"SELECT * FROM {$table} WHERE post_id = %d ORDER BY created_at DESC",
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$post_id
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)
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);
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}
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return $results ?: array();
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}
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/**
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* Get reaction counts for a post.
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*
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* @param int $post_id The post ID.
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* @return array The reaction counts.
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*/
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public function get_reaction_counts( int $post_id ): array {
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return array(
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'likes' => (int) get_post_meta( $post_id, '_fedistream_like_count', true ),
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'boosts' => (int) get_post_meta( $post_id, '_fedistream_boost_count', true ),
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'replies' => (int) get_post_meta( $post_id, '_fedistream_reply_count', true ),
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);
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}
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}
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