wordpress-activitypub/includes/model/class-comment.php

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2021-02-18 07:12:32 +01:00
<?php
namespace Activitypub\Model;
/**
* ActivityPub Comment Class
*
* @author Django Doucet
*/
class Comment {
private $comment;
/**
* Initialize the class
*/
public function __construct( $comment = null ) {
$this->comment = $comment;
$this->comment_author_url = \get_author_posts_url( $this->comment->user_id );
$this->safe_comment_id = $this->generate_comment_id();
$this->inReplyTo = $this->generate_parent_url();
$this->contentWarning = $this->generate_content_warning();
$this->permalink = $this->generate_permalink();
$this->cc_recipients = $this->generate_recipients();
$this->tags = $this->generate_tags();
}
public function __call( $method, $params ) {
$var = \strtolower( \substr( $method, 4 ) );
if ( \strncasecmp( $method, 'get', 3 ) === 0 ) {
return $this->$var;
}
if ( \strncasecmp( $method, 'set', 3 ) === 0 ) {
$this->$var = $params[0];
}
}
public function to_array() {
$comment = $this->comment;
$array = array(
'id' => \Activitypub\Model\Comment::normalize_comment_id( $comment ),
'type' => 'Note',
'published' => \date( 'Y-m-d\TH:i:s\Z', \strtotime( $comment->comment_date_gmt ) ),
'attributedTo' => $this->comment_author_url,
'summary' => $this->contentWarning,
'inReplyTo' => $this->inReplyTo,
'content' => $comment->comment_content,
'contentMap' => array(
\strstr( \get_locale(), '_', true ) => $comment->comment_content,
),
'source' => \get_comment_link( $comment ),
'url' => \get_comment_link( $comment ),//link for mastodon
'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),//audience logic
'cc' => $this->cc_recipients,
'tag' => $this->tags,
);
return \apply_filters( 'activitypub_comment', $array );
}
public function to_json() {
return \wp_json_encode( $this->to_array(), JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT );
}
public function generate_comment_author_link() {
return \get_author_posts_url( $this->comment->comment_author );
}
public function generate_permalink() {
$comment = $this->comment;
$permalink = \get_comment_link( $comment );
// replace 'trashed' for delete activity
return \str_replace( '__trashed', '', $permalink );
}
/**
* What is status is being replied to
* Comment ID or Post ID
*/
public function generate_parent_url() {
$comment = $this->comment;
$parent_comment = \get_comment( $comment->comment_parent );
if ( $parent_comment ) {
//reply to local (received) comment
$inReplyTo = \get_comment_meta( $comment->comment_parent, 'source_url', true );
} else {
//reply to local post
$inReplyTo = \get_permalink( $comment->comment_post_ID );
}
return $inReplyTo;
}
/**
* Generate Content Warning from peer
* If peer used CW let's just copy it
* TODO: Move to preprocess_comment / row_actions
* Add option for wrapping CW in Details/Summary markup
* Figure out some CW syntax: [shortcode-style], {brackets-style}?
* So it can be inserted into reply textbox, and removed or modified at will
*/
public function generate_content_warning() {
$comment = $this->comment;
$contentWarning = null;
$parent_comment = \get_comment( $comment->comment_parent );
if ( $parent_comment ) {
//get (received) comment
$ap_object = \unserialize( \get_comment_meta( $comment->comment_parent, 'ap_object', true ) );
if ( isset( $ap_object['object']['summary'] ) ) {
$contentWarning = $ap_object['object']['summary'];
}
}
/*$summary = \get_comment_meta( $this->comment->comment_ID, 'summary', true ) ;
if ( !empty( $summary ) ) {
$contentWarning = \Activitypub\add_summary( $summary );
} */
return $contentWarning;
}
/**
* Who is being replied to
*/
public function generate_recipients() {
//TODO Add audience logic get parent audience
$recipients = array( AS_PUBLIC );
$mentions = \get_comment_meta( $this->comment->comment_ID, 'mentions', true ) ;
if ( !empty( $mentions ) ) {
foreach ($mentions as $mention) {
$recipients[] = $mention['href'];
}
}
return $recipients;
}
/**
* Mention user being replied to
*/
public function generate_tags() {
$mentions = \get_comment_meta( $this->comment->comment_ID, 'mentions', true ) ;
if ( !empty( $mentions ) ) {
foreach ($mentions as $mention) {
$mention_tags[] = array(
'type' => 'Mention',
'href' => $mention['href'],
'name' => '@' . $mention['name'],
);
}
return $mention_tags;
}
}
/**
* Transform comment url, replace #fragment with ?query
*
* AP Object ID must be unique
*
* https://www.w3.org/TR/activitypub/#obj-id
* https://github.com/tootsuite/mastodon/issues/13879
*/
public function normalize_comment_id( $comment ) {
$comment_id = explode( '#comment-', \get_comment_link( $comment ) );
$comment_id = $comment_id[0] . '?comment-' . $comment_id[1];
return $comment_id;
}
}