161 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			161 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * ActivityPub Post REST Endpoints
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 *
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 * @package Activitypub
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 */
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namespace Activitypub\Rest;
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use WP_REST_Server;
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use WP_REST_Response;
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use WP_Error;
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use Activitypub\Comment;
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use Activitypub\Activity\Base_Object;
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use Activitypub\Collection\Replies;
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use function Activitypub\get_rest_url_by_path;
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/**
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 * Class Post
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 *
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 * @package Activitypub\Rest
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 */
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class Post {
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	/**
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	 * Initialize the class and register routes.
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	 */
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	public static function init() {
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		self::register_routes();
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	}
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	/**
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	 * Register routes.
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	 */
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	public static function register_routes() {
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		register_rest_route(
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			ACTIVITYPUB_REST_NAMESPACE,
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			'/posts/(?P<id>\d+)/reactions',
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			array(
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				'methods'             => WP_REST_Server::READABLE,
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				'callback'            => array( static::class, 'get_reactions' ),
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				'permission_callback' => '__return_true',
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				'args'                => array(
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					'id' => array(
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						'required' => true,
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						'type'     => 'integer',
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					),
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				),
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			)
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		);
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		register_rest_route(
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			ACTIVITYPUB_REST_NAMESPACE,
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			'/posts/(?P<id>\d+)/context',
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			array(
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				'methods'             => WP_REST_Server::READABLE,
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				'callback'            => array( static::class, 'get_context' ),
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				'permission_callback' => '__return_true',
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				'args'                => array(
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					'id' => array(
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						'required' => true,
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						'type'     => 'integer',
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					),
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				),
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			)
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		);
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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 \WP_REST_Request $request The request.
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	 *
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	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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	 */
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	public static function get_reactions( $request ) {
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		$post_id = $request->get_param( 'id' );
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		$post    = get_post( $post_id );
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		if ( ! $post ) {
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			return new WP_Error( 'post_not_found', 'Post not found', array( 'status' => 404 ) );
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		}
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		$reactions = array();
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		foreach ( Comment::get_comment_types() as $type_object ) {
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			$comments = get_comments(
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				array(
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					'post_id' => $post_id,
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					'type'    => $type_object['type'],
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					'status'  => 'approve',
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				)
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			);
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			if ( empty( $comments ) ) {
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				continue;
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			}
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			$count = count( $comments );
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			// phpcs:disable WordPress.WP.I18n
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			$label = sprintf(
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				_n(
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					$type_object['count_single'],
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					$type_object['count_plural'],
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					$count,
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					'activitypub'
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				),
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				number_format_i18n( $count )
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			);
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			// phpcs:enable WordPress.WP.I18n
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			$reactions[ $type_object['collection'] ] = array(
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				'label' => $label,
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				'items' => array_map(
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					function ( $comment ) {
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						return array(
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							'name'   => $comment->comment_author,
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							'url'    => $comment->comment_author_url,
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							'avatar' => get_comment_meta( $comment->comment_ID, 'avatar_url', true ),
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						);
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					},
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					$comments
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				),
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			);
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		}
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		return new WP_REST_Response( $reactions );
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	}
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	/**
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	 * Get the context for a post.
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	 *
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	 * @param \WP_REST_Request $request The request.
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	 *
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	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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	 */
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	public static function get_context( $request ) {
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		$post_id = $request->get_param( 'id' );
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		$collection = Replies::get_context_collection( $post_id );
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		if ( false === $collection ) {
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			return new WP_Error( 'post_not_found', 'Post not found', array( 'status' => 404 ) );
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		}
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		$response = array_merge(
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			array(
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				'@context' => Base_Object::JSON_LD_CONTEXT,
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				'id'       => get_rest_url_by_path( sprintf( 'posts/%d/context', $post_id ) ),
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			),
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			$collection
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		);
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		$response = \rest_ensure_response( $response );
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		$response->header( 'Content-Type', 'application/activity+json; charset=' . \get_option( 'blog_charset' ) );
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		return $response;
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	}
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}
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