activitypub / includes / rest / class-post-controller.php

class-post-controller.php in ActivityPub 7.0.0, at includes/rest/class-post-controller.php

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1	<?php
2	/**
3	* ActivityPub Post REST Endpoints
4	*
5	* @package Activitypub
6	*/
7
8	namespace Activitypub\Rest;
9
10	use Activitypub\Comment;
11	use Activitypub\Activity\Base_Object;
12	use Activitypub\Collection\Replies;
13
14	use function Activitypub\get_rest_url_by_path;
15
16	/**
17	* Class Post_Controller
18	*
19	* @package Activitypub\Rest
20	*/
21	class Post_Controller extends \WP_REST_Controller {
22
23	/**
24	* The namespace of this controller's route.
25	*
26	* @var string
27	*/
28	protected $namespace = ACTIVITYPUB_REST_NAMESPACE;
29
30	/**
31	* The base of this controller's route.
32	*
33	* @var string
34	*/
35	protected $rest_base = 'posts/(?P<id>\d+)';
36
37	/**
38	* Register routes.
39	*/
40	public function register_routes() {
41	\register_rest_route(
42	$this->namespace,
43	'/' . $this->rest_base . '/reactions',
44	array(
45	'args' => array(
46	'id' => array(
47	'required' => true,
48	'type' => 'integer',
49	),
50	),
51	array(
52	'methods' => \WP_REST_Server::READABLE,
53	'callback' => array( $this, 'get_reactions' ),
54	'permission_callback' => '__return_true',
55	),
56	)
57	);
58
59	\register_rest_route(
60	$this->namespace,
61	'/' . $this->rest_base . '/context',
62	array(
63	'args' => array(
64	'id' => array(
65	'required' => true,
66	'type' => 'integer',
67	),
68	),
69	array(
70	'methods' => \WP_REST_Server::READABLE,
71	'callback' => array( $this, 'get_context' ),
72	'permission_callback' => '__return_true',
73	),
74	)
75	);
76	}
77
78	/**
79	* Get reactions for a post.
80	*
81	* @param \WP_REST_Request $request The request.
82	*
83	* @return \WP_REST_Response\|\WP_Error Response object on success, or WP_Error object on failure.
84	*/
85	public function get_reactions( $request ) {
86	$post_id = $request->get_param( 'id' );
87	$post = \get_post( $post_id );
88
89	if ( ! $post ) {
90	return new \WP_Error( 'activitypub_post_not_found', 'Post not found', array( 'status' => 404 ) );
91	}
92
93	$reactions = array();
94
95	foreach ( Comment::get_comment_types() as $type_object ) {
96	$comments = \get_comments(
97	array(
98	'post_id' => $post_id,
99	'type' => $type_object['type'],
100	'status' => 'approve',
101	'parent' => 0,
102	)
103	);
104
105	if ( empty( $comments ) ) {
106	continue;
107	}
108
109	$count = \count( $comments );
110	// phpcs:disable WordPress.WP.I18n
111	$label = \sprintf(
112	\_n(
113	$type_object['count_single'],
114	$type_object['count_plural'],
115	$count,
116	'activitypub'
117	),
118	\number_format_i18n( $count )
119	);
120	// phpcs:enable WordPress.WP.I18n
121
122	$reactions[ $type_object['collection'] ] = array(
123	'label' => $label,
124	'items' => \array_map(
125	function ( $comment ) {
126	return array(
127	'name' => html_entity_decode( $comment->comment_author ),
128	'url' => $comment->comment_author_url,
129	'avatar' => \get_avatar_url( $comment ),
130	);
131	},
132	$comments
133	),
134	);
135	}
136
137	return new \WP_REST_Response( $reactions );
138	}
139
140	/**
141	* Get the context for a post.
142	*
143	* @param \WP_REST_Request $request The request.
144	*
145	* @return \WP_REST_Response\|\WP_Error Response object on success, or WP_Error object on failure.
146	*/
147	public function get_context( $request ) {
148	$post_id = $request->get_param( 'id' );
149
150	$collection = Replies::get_context_collection( $post_id );
151
152	if ( false === $collection ) {
153	return new \WP_Error( 'activitypub_post_not_found', 'Post not found', array( 'status' => 404 ) );
154	}
155
156	$response = array_merge(
157	array(
158	'@context' => Base_Object::JSON_LD_CONTEXT,
159	'id' => get_rest_url_by_path( \sprintf( 'posts/%d/context', $post_id ) ),
160	),
161	$collection
162	);
163
164	$response = \rest_ensure_response( $response );
165	$response->header( 'Content-Type', 'application/activity+json; charset=' . \get_option( 'blog_charset' ) );
166
167	return $response;
168	}
169	}
170