270 lines
8.7 KiB
PHP
270 lines
8.7 KiB
PHP
<?php
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/**
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* Class responsible for initializing ActivityPub Event Extensions.
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*
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* The setup class provides function for checking if this plugin should be activated.
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* It detects supported event plugins and provides all setup hooks and filters.
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*
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* @package Activitypub_Event_Extensions
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* @since 1.0.0
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* @license AGPL-3.0-or-later
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*/
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namespace Activitypub_Event_Extensions;
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use Activitypub_Event_Extensions\Admin\Event_Plugin_Admin_Notices;
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use Activitypub_Event_Extensions\Admin\General_Admin_Notices;
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use Activitypub_Event_Extensions\Admin\Settings_Page;
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// Exit if accessed directly.
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defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
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require_once ABSPATH . 'wp-admin/includes/plugin.php';
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/**
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* Class Setup.
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*
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* This class is responsible for initializing ActivityPub Event Extensions.
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*
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* @since 1.0.0
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*/
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class Setup {
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const SUPPORTED_EVENT_PLUGINS = array(
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'events_manager' => array(
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'plugin_file' => 'events-manager/events-manager.php',
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'post_type' => 'event',
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'settings_page' => 'options-general.php?page=vsel',
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'transformer_class' => 'Events_Manager',
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),
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'gatherpress' => array(
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'plugin_file' => 'gatherpress/gatherpress.php',
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'post_type' => 'gatherpress_event',
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'transformer_class' => 'GatherPress',
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'settings_page_id' => 'gatherpress_general',
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),
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'the_events_calendar' => array(
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'plugin_file' => 'the-events-calendar/the-events-calendar.php',
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'post_type' => 'tribe_events',
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'transformer_class' => 'Tribe',
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'settings_page_id' => 'tribe_general',
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),
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'vsel' => array(
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'plugin_file' => 'very-simple-event-list/vsel.php',
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'post_type' => 'event',
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'settings_page_id' => 'settings_page_vsel',
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'transformer_class' => 'VS_Event_List',
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'taxonomy' => 'event_cat',
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),
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);
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/**
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* Keep the information whether the ActivityPub plugin is active.
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*
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* @var boolean
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*/
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protected $activitypub_plugin_is_active = false;
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/**
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* Holds an array of the currently activated supported event plugins.
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*
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* @var array
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*/
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protected $active_event_plugins = array();
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/**
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* Constructor for the Setup class.
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*
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* Initializes and sets up various components of the plugin.
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*
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* @since 1.0.0
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*/
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protected function __construct() {
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$this->activitypub_plugin_is_active = is_plugin_active( 'activitypub/activitypub.php' );
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$this->active_event_plugins = self::detect_supported_event_plugins();
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$this->setup_hooks();
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}
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/**
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* The single instance of the class.
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*
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* @since 1.0.0
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* @var ?self|null The instance of the class.
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*/
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private static $instance = null;
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/**
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* Get the instance of the Singleton class.
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*
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* If an instance does not exist, it creates one; otherwise, it returns the existing instance.
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*
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* @since 1.0.0
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*
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* @return self The instance of the class.
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*/
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public static function get_instance(): self {
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if ( null === self::$instance ) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* Function that checks for supported activated event plugins.
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*
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* @return array List of supported event plugins as keys from the SUPPORTED_EVENT_PLUGINS const.
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*/
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public static function detect_supported_event_plugins(): array {
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$active_event_plugins = array();
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foreach ( self::SUPPORTED_EVENT_PLUGINS as $event_plugin_key => $event_plugin ) {
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if ( \is_plugin_active( $event_plugin['plugin_file'] ) ) {
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$active_event_plugins[ $event_plugin_key ] = $event_plugin;
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}
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}
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return $active_event_plugins;
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}
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/**
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* Getter function for the active event plugins.
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*/
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public function get_active_event_plugins() {
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return $this->active_event_plugins;
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}
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/**
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* Set up hooks for various purposes.
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*
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* This method adds hooks for different purposes as needed.
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*
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* @since 1.0.0
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*
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* @return void
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*/
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protected function setup_hooks(): void {
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register_activation_hook( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE, array( $this, 'activate' ) );
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add_action( 'admin_init', array( $this, 'do_admin_notices' ) );
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add_action( 'admin_init', array( Settings::class, 'register_settings' ) );
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// If we don't have any active event plugins, or the ActivityPub plugin is not enabled, abort here.
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if ( empty( $this->active_event_plugins ) || ! $this->activitypub_plugin_is_active ) {
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return;
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}
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add_action( 'admin_enqueue_scripts', array( self::class, 'enqueue_styles' ) );
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add_action( 'admin_menu', array( Settings_Page::class, 'admin_menu' ) );
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add_filter(
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'plugin_action_links_' . ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_BASENAME,
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array( Settings_Page::class, 'settings_link' )
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);
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add_filter( 'activitypub_transformer', array( $this, 'register_activitypub_event_transformer' ), 10, 3 );
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}
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/**
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* Add the CSS for the admin pages.
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*
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* @param string $hook_suffix The suffix of the hook.
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*/
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public static function enqueue_styles( $hook_suffix ) {
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if ( false !== strpos( $hook_suffix, 'activitypub-event-extensions' ) ) {
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wp_enqueue_style(
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'activitypub-event-extensions-admin-styles',
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plugins_url(
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'assets/css/activitypub-event-extensions-admin.css',
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ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE
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),
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array(),
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ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_VERSION
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);
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}
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}
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/**
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* Fires the initialization of admin notices.
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*/
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public function do_admin_notices(): void {
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foreach ( $this->active_event_plugins as $event_plugin ) {
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new Event_Plugin_Admin_Notices( $event_plugin );
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}
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// Check if any general admin notices are needed and add actions to insert the needed admin notices.
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if ( ! $this->activitypub_plugin_is_active ) {
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// The ActivityPub plugin is not active.
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add_action( 'admin_notices', array( 'Activitypub_Event_Extensions\Admin\General_Admin_Notices', 'activitypub_plugin_not_enabled' ), 10, 1 );
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}
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if ( empty( $this->active_event_plugins ) ) {
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// No supported Event Plugin is active.
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add_action( 'admin_notices', array( 'Activitypub_Event_Extensions\Admin\General_Admin_Notices', 'no_supported_event_plugin_active' ), 10, 1 );
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}
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}
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/**
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* Add the custom transformers for the events of several WordPress event plugins.
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*
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* @param Activitypub\Transformer\Base $transformer The transformer to use.
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* @param mixed $wp_object The WordPress object to transform.
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* @param string $object_class The class of the object to transform.
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*
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* @return \Activitypub\Transformer\Base|null
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*/
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public function register_activitypub_event_transformer( $transformer, $wp_object, $object_class ): \Activitypub\Transformer\Base|null {
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// If the current WordPress object is not a post (e.g., a WP_Comment), don't change the transformer.
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if ( 'WP_Post' !== $object_class ) {
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return $transformer;
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}
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// Get the transformer for a specific event plugins event-post type.
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foreach ( $this->active_event_plugins as $event_plugin ) {
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if ( $wp_object->post_type === $event_plugin['post_type'] ) {
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$transformer_class = 'Activitypub_Event_Extensions\Activitypub\Transformer\\' . $event_plugin['transformer_class'];
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return new $transformer_class( $wp_object, $event_plugin['taxonomy'] );
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}
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}
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// Return the default transformer.
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return $transformer;
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}
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/**
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* Activates the ActivityPub Event Extensions plugin.
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*
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* This method handles the activation of the ActivityPub Event Extensions plugin.
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function activate() {
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// Don't allow plugin activation, when the ActivityPub plugin is not activated yet.
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if ( ! $this->activitypub_plugin_is_active ) {
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deactivate_plugins( plugin_basename( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE ) );
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$notice = General_Admin_Notices::get_admin_notice_activitypub_plugin_not_enabled();
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wp_die(
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wp_kses( $notice, General_Admin_Notices::ALLOWED_HTML ),
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'Plugin dependency check',
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array( 'back_link' => true ),
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);
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}
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if ( empty( $this->active_event_plugins ) ) {
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deactivate_plugins( plugin_basename( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE ) );
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$notice = General_Admin_Notices::get_admin_notice_no_supported_event_plugin_active();
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wp_die(
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wp_kses( $notice, General_Admin_Notices::ALLOWED_HTML ),
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'Plugin dependency check',
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array( 'back_link' => true ),
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);
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}
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// If someone installs this plugin, we simply enable ActivityPub support for all currently active event post types.
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$activitypub_supported_post_types = get_option( 'activitypub_support_post_types', array() );
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foreach ( $this->active_event_plugins as $event_plugin ) {
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if ( ! in_array( $event_plugin['post_type'], $activitypub_supported_post_types, true ) ) {
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$activitypub_supported_post_types[] = $event_plugin['post_type'];
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}
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}
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update_option( 'activitypub_support_post_types', $activitypub_supported_post_types );
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}
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}
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