André Menrath
e91e76bf17
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250 lines
6.5 KiB
PHP
250 lines
6.5 KiB
PHP
<?php
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/**
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* ActivityPub Transformer for VS Event.
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*
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* This is a file doc comments.
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*
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* @package activity-event-transformers
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*/
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use function Activitypub\snake_to_camel_case;
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/**
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* Event is an implementation of one of the
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* Activity Streams Event object type
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*
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* The Object is the primary base type for the Activity Streams
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* vocabulary.
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*
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* @see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-event
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*/
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class Event extends \Activitypub\Activity\Base_Object {
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const REPLIES_MODERATION_OPTION_TYPES = [ 'allow_all', 'closed'];
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const JOIN_MODE_TYPES = [ 'free', 'restricted', 'external'];
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/**
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* Event is an implementation of one of the
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* Activity Streams
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*
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* @var string
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*/
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protected $type = 'Event';
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/**
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* Extension invented by PeerTube whether comments/replies are <enabled>
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* Mobilizon also implemented this as a fallback to their own
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* repliesModerationOption.
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*
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* @context https://joinpeertube.org/commentsEnabled
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* @see https://docs.joinpeertube.org/api/activitypub#video
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* @see https://docs.joinmobilizon.org/contribute/activity_pub/
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* @var bool
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*/
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protected $comments_enabled;
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/**
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* @context https://joinmobilizon.org/timezone
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* @var string
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*/
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protected $timezone;
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/**
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* @context https://joinmobilizon.org/repliesModerationOption
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* @see https://docs.joinmobilizon.org/contribute/activity_pub/#repliesmoderation
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* @var string
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*/
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protected $replies_moderation_option;
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/**
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* @context https://joinmobilizon/anonymousParticipationEnabled
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* @see https://docs.joinmobilizon.org/contribute/activity_pub/#anonymousparticipationenabled
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* @var bool
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*/
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protected $anonymous_participation_enabled;
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/**
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* @context https://schema.org/category
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* @var enum
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*/
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protected $category;
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/**
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* @context https://schema.org/inLanguage
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* @var
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*/
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protected $in_language;
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/**
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* @context https://joinmobilizon.org/isOnline
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* @var bool
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*/
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protected $is_online;
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/**
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* @context http://www.w3.org/2002/12/cal/ical#
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* @var enum
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*/
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protected $ical_status;
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/**
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* @context https://joinmobilizon.org/externalParticipationUrl
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* @var string
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*/
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protected $external_participation_url;
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/**
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* @context https://joinmobilizon.org/joinMode
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* @see https://docs.joinmobilizon.org/contribute/activity_pub/#joinmode
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* @var
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*/
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protected $join_mode;
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/**
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* @context https://joinmobilizon.org/participantCount
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* @var int
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*/
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protected $participant_count;
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/**
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* @context https://schema.org/maximumAttendeeCapacity
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* @see https://docs.joinmobilizon.org/contribute/activity_pub/#maximumattendeecapacity
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* @var int
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*/
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protected $maximum_attendee_capacity;
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/**
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* Setter function that makes sure, we only set valid replies moderation options.
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* @param string $value
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*/
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public function set_replies_moderation_option( $value ) {
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if ( in_array( $value, self::REPLIES_MODERATION_OPTION_TYPES, true ) ) {
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$this->replies_moderation_option = $value;
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}
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return $this;
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}
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/**
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* @param array $array The array version of an object of this class.
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*/
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private function rename_ical_status_key( $array ) {
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$array[ 'ical:status' ] = $array[ 'icalStatus' ];
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unset( $array[ 'icalStatus' ] );
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return $array;
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}
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/**
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* @param array $array The array version of an object of this class.
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*/
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public function rename_array_keys( $array ) {
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if ( isset( $array[ 'icalStatus' ] ) ) {
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$array = $this->rename_ical_status_key( $array );
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}
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return $array;
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}
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/**
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* Get the context information for a property.
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*
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* @param string $property
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*
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* @return array|null
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*/
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private function get_property_context( string $property ) {
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$reflection_class = new ReflectionClass( $this );
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if ( $reflection_class->hasProperty( $property ) ) {
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$reflection_property = $reflection_class->getProperty( $property );
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$doc_omment = $reflection_property->getDocComment();
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// Extract context information from the doc comment.
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preg_match( '/@context\s+([^\s]+)/', $doc_omment, $matches );
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if ( !empty( $matches[1] ) ) {
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return $matches[1];
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} else {
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return 'https://www.w3.org/ns/activitystreams';
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}
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}
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return null;
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}
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public function filter_context( $context ) {
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// if ( isset( $this->replies_moderation_option ) ) {
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// $replies_moderation_option_context = $this->get_property_context( 'replies_moderation_option' );
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// }
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return $context;
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}
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private static function compact_context( $key_context, $namespace, $abbreviation ) {
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$abbreviation_added = false;
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foreach ( $key_context as $key => $value ) {
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// Check if the key starts with the namespace
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if ( strpos( $value, $namespace ) === 0 ) {
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// Replace the key
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$key_context[ $key ] = $abbreviation . ':' . substr( $value, strlen( $namespace ) );
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// Add abbreviation element for the namespace only once
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if ( ! $abbreviation_added ) {
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$key_context = [ $abbreviation => $namespace . '/ns#' ] + $key_context;
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$abbreviation_added = true;
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}
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}
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}
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return $key_context;
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}
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public static function get_context() {
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$class = self::class;
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$transient = "activitypub_context_object_{$class}";
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$context = get_transient($transient);
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// if ( $context ) {
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// return $context;
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// }
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$reflection_class = new ReflectionClass( self::class );
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$context = array(
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'https://www.w3.org/ns/activitystreams',
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'https://w3id.org/security/v1',
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);
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$key_context = [];
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foreach ( $reflection_class->getProperties() as $property ) {
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$doc_omment = $property->getDocComment();
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// Extract context information from the doc comment.
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preg_match( '/@context\s+([^\s]+)/', $doc_omment, $matches );
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if ( !empty( $matches[1] ) ) {
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$key_context[ snake_to_camel_case( $property->name ) ] = $matches[1];
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}
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}
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$namespace_abbreviations = array(
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'https://joinpeertube.org/' => 'pt',
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'https://joinmobilizon.org/' => 'mz',
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'https://schema.org/' => 'sc'
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);
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foreach ( $namespace_abbreviations as $namespace => $abbreviation ) {
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$key_context = self::compact_context( $key_context, $namespace, $abbreviation );
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}
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$context[] = $key_context;
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set_transient( $transient, $context );
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return $context;
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}
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/**
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* When using this class we need to add some filters.
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*/
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public function __construct() {
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$class = get_class( $this );
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$class = 'event';
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add_filter( "activitypub_activity_{$class}_object_array", [ $this, 'rename_array_keys' ] );
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add_filter( 'activitypub_json_context', [ $this, 'filter_context' ] );
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}
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}
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