activitypub / includes / scheduler / class-comment.php

class-comment.php in ActivityPub 9.0.1, at includes/scheduler/class-comment.php

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1	<?php
2	/**
3	* Comment scheduler class file.
4	*
5	* @package Activitypub
6	*/
7
8	namespace Activitypub\Scheduler;
9
10	use Activitypub\Comment as Comment_Utils;
11
12	use function Activitypub\add_to_outbox;
13	use function Activitypub\should_comment_be_federated;
14
15	/**
16	* Post scheduler class.
17	*/
18	class Comment {
19	/**
20	* Initialize the class, registering WordPress hooks.
21	*/
22	public static function init() {
23	if ( ACTIVITYPUB_DISABLE_OUTGOING_INTERACTIONS ) {
24	return;
25	}
26
27	// Comment transitions.
28	\add_action( 'transition_comment_status', array( self::class, 'schedule_comment_activity' ), 20, 3 );
29	\add_action( 'wp_insert_comment', array( self::class, 'schedule_comment_activity_on_insert' ), 10, 2 );
30	\add_action( 'delete_comment', array( self::class, 'schedule_comment_delete_activity' ), 10, 2 );
31	}
32
33	/**
34	* Schedule Comment Activities.
35	*
36	* @see transition_comment_status()
37	*
38	* @param string $new_status New comment status.
39	* @param string $old_status Old comment status.
40	* @param \WP_Comment $comment Comment object.
41	*/
42	public static function schedule_comment_activity( $new_status, $old_status, $comment ) {
43	if ( defined( 'WP_IMPORTING' ) && WP_IMPORTING ) {
44	return;
45	}
46
47	$comment = get_comment( $comment );
48
49	// Federate only comments that are written by a registered user.
50	if ( ! $comment \|\| ! $comment->user_id ) {
51	return;
52	}
53
54	/*
55	* Check against supported comment types.
56	* Only federate registered ActivityPub comment types and standard WordPress comments.
57	*/
58	$comment_type = $comment->comment_type;
59	if ( '' === $comment_type ) {
60	// Be backwards compatible with comments that have an empty type by treating them as standard comments.
61	$comment_type = 'comment';
62	}
63
64	$allowed_types = Comment_Utils::get_comment_type_slugs();
65	$allowed_types[] = 'comment'; // Add core WordPress comment types.
66
67	// Check if comment type is in allowed list.
68	if ( ! in_array( $comment_type, $allowed_types, true ) ) {
69	return;
70	}
71
72	$type = false;
73
74	if (
75	'approved' === $new_status &&
76	'approved' !== $old_status
77	) {
78	$type = 'Create';
79	} elseif ( 'approved' === $new_status ) {
80	$type = 'Update';
81	\update_comment_meta( $comment->comment_ID, 'activitypub_comment_modified', time(), true );
82	} elseif (
83	'trash' === $new_status \|\|
84	( 'delete' === $new_status && '' === $old_status ) \|\| // Went through schedule_comment_delete_activity().
85	'spam' === $new_status
86	) {
87	$type = 'Delete';
88	}
89
90	if ( empty( $type ) ) {
91	return;
92	}
93
94	// Check if comment should be federated or not.
95	if ( ! should_comment_be_federated( $comment ) ) {
96	return;
97	}
98
99	add_to_outbox( $comment, $type, $comment->user_id );
100	}
101
102	/**
103	* Schedule Comment Activities on insert.
104	*
105	* @param int $comment_id Comment ID.
106	* @param \WP_Comment $comment Comment object.
107	*/
108	public static function schedule_comment_activity_on_insert( $comment_id, $comment ) {
109	if ( 1 === (int) $comment->comment_approved ) {
110	self::schedule_comment_activity( 'approved', '', $comment );
111	}
112	}
113
114	/**
115	* Schedule Delete activity when a comment is permanently deleted.
116	*
117	* @param int $comment_id Comment ID.
118	* @param \WP_Comment $comment Comment object.
119	*/
120	public static function schedule_comment_delete_activity( $comment_id, $comment ) {
121	// Only send Delete activities for comments that were previously federated.
122	if ( Comment_Utils::was_sent( $comment ) ) {
123	self::schedule_comment_activity( 'delete', '', $comment );
124	}
125	}
126	}
127