wordpress-activitypub-event.../includes/class-setup.php

299 lines
9.7 KiB
PHP

<?php
/**
* Class responsible for initializing ActivityPub Event Extensions.
*
* The setup class provides function for checking if this plugin should be activated.
* It detects supported event plugins and provides all setup hooks and filters.
*
* @package Activitypub_Event_Extensions
* @since 1.0.0
* @license AGPL-3.0-or-later
*/
namespace Activitypub_Event_Extensions;
use Activitypub_Event_Extensions\Admin\Event_Plugin_Admin_Notices;
use Activitypub_Event_Extensions\Admin\General_Admin_Notices;
use Activitypub_Event_Extensions\Admin\Settings_Page;
use Activitypub_Event_Extensions\Plugins\Event_Plugin;
// Exit if accessed directly.
defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
require_once ABSPATH . 'wp-admin/includes/plugin.php';
/**
* Class Setup.
*
* This class is responsible for initializing ActivityPub Event Extensions.
*
* @since 1.0.0
*/
class Setup {
/**
* Keep the information whether the ActivityPub plugin is active.
*
* @var boolean
*/
protected $activitypub_plugin_is_active = false;
/**
* Keep the current version of the current ActivityPub plugin.
*
* @var string
*/
protected $activitypub_plugin_version = '';
/**
* Holds an array of the currently activated supported event plugins.
*
* @var Event_Plugin[]
*/
protected $active_event_plugins = array();
/**
* Constructor for the Setup class.
*
* Initializes and sets up various components of the plugin.
*
* @since 1.0.0
*/
protected function __construct() {
$this->activitypub_plugin_is_active = is_plugin_active( 'activitypub/activitypub.php' );
// TODO: decide whether we want to do anything at all when ActivityPub plugin is note active.
// if ( ! $this->activitypub_plugin_is_active ) {
// deactivate_plugins( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE );
// return;
// }.
$this->active_event_plugins = self::detect_active_event_plugins();
$this->activitypub_plugin_version = get_file_data( WP_PLUGIN_DIR . '/activitypub/activitypub.php', array( 'Version' ) )[0];
$this->setup_hooks();
}
/**
* The single instance of the class.
*
* @since 1.0.0
* @var ?self|null The instance of the class.
*/
private static $instance = null;
/**
* Get the instance of the Singleton class.
*
* If an instance does not exist, it creates one; otherwise, it returns the existing instance.
*
* @since 1.0.0
*
* @return self The instance of the class.
*/
public static function get_instance(): self {
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Getter function for the active event plugins.
*
* @return Event_Plugin[]
*/
public function get_active_event_plugins() {
return $this->active_event_plugins;
}
/**
* Holds all the classes for the supported event plugins.
*
* @var array
*/
private const EVENT_PLUGIN_CLASSES = array(
'\Activitypub_Event_Extensions\Plugins\Events_Manager',
'\Activitypub_Event_Extensions\Plugins\GatherPress',
'\Activitypub_Event_Extensions\Plugins\The_Events_Calendar',
'\Activitypub_Event_Extensions\Plugins\VS_Event_List',
);
/**
* Function that checks for supported activated event plugins.
*
* @return array List of supported event plugins as keys from the SUPPORTED_EVENT_PLUGINS const.
*/
public static function detect_active_event_plugins(): array {
$active_event_plugins = array();
foreach ( self::EVENT_PLUGIN_CLASSES as $event_plugin_class ) {
if ( ! class_exists( $event_plugin_class ) || ! method_exists( $event_plugin_class, 'get_plugin_file' ) ) {
continue;
}
$event_plugin_file = call_user_func( array( $event_plugin_class, 'get_plugin_file' ) );
if ( \is_plugin_active( $event_plugin_file ) ) {
$active_event_plugins[] = new $event_plugin_class();
}
}
return $active_event_plugins;
}
/**
* Set up hooks for various purposes.
*
* This method adds hooks for different purposes as needed.
*
* @since 1.0.0
*
* @return void
*/
protected function setup_hooks(): void {
register_activation_hook( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE, array( $this, 'activate' ) );
add_action( 'admin_init', array( $this, 'do_admin_notices' ) );
add_action( 'admin_init', array( Settings::class, 'register_settings' ) );
// If we don't have any active event plugins, or the ActivityPub plugin is not enabled, abort here.
if ( empty( $this->active_event_plugins ) || ! $this->activitypub_plugin_is_active ) {
return;
}
add_action( 'admin_enqueue_scripts', array( self::class, 'enqueue_styles' ) );
add_action( 'admin_menu', array( Settings_Page::class, 'admin_menu' ) );
add_filter(
'plugin_action_links_' . ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_BASENAME,
array( Settings_Page::class, 'settings_link' )
);
// Check if the minimum required version of the ActivityPub plugin is installed.
if ( version_compare( $this->activitypub_plugin_version, ACTIVITYPUB_EVENT_EXTENSIONS_ACTIVITYPUB_PLUGIN_MIN_VERSION ) ) {
return;
}
add_filter( 'activitypub_transformer', array( $this, 'register_activitypub_event_transformer' ), 10, 3 );
}
/**
* Add the CSS for the admin pages.
*
* @param string $hook_suffix The suffix of the hook.
*
* @return void
*/
public static function enqueue_styles( $hook_suffix ): void {
if ( false !== strpos( $hook_suffix, 'activitypub-event-extensions' ) ) {
wp_enqueue_style(
'activitypub-event-extensions-admin-styles',
plugins_url(
'assets/css/activitypub-event-extensions-admin.css',
ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE
),
array(),
ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_VERSION
);
}
}
/**
* Fires the initialization of admin notices.
*/
public function do_admin_notices(): void {
foreach ( $this->active_event_plugins as $event_plugin ) {
new Event_Plugin_Admin_Notices( $event_plugin );
}
// Check if any general admin notices are needed and add actions to insert the needed admin notices.
if ( ! $this->activitypub_plugin_is_active ) {
// The ActivityPub plugin is not active.
add_action( 'admin_notices', array( 'Activitypub_Event_Extensions\Admin\General_Admin_Notices', 'activitypub_plugin_not_enabled' ), 10, 1 );
}
if ( version_compare( $this->activitypub_plugin_version, ACTIVITYPUB_EVENT_EXTENSIONS_ACTIVITYPUB_PLUGIN_MIN_VERSION ) ) {
// The ActivityPub plugin is too old.
add_action( 'admin_notices', array( 'Activitypub_Event_Extensions\Admin\General_Admin_Notices', 'activitypub_plugin_version_too_old' ), 10, 1 );
}
if ( empty( $this->active_event_plugins ) ) {
// No supported Event Plugin is active.
add_action( 'admin_notices', array( 'Activitypub_Event_Extensions\Admin\General_Admin_Notices', 'no_supported_event_plugin_active' ), 10, 1 );
}
}
/**
* Add the custom transformers for the events of several WordPress event plugins.
*
* @param Activitypub\Transformer\Base $transformer The transformer to use.
* @param mixed $wp_object The WordPress object to transform.
* @param string $object_class The class of the object to transform.
*
* @return \Activitypub\Transformer\Base|null
*/
public function register_activitypub_event_transformer( $transformer, $wp_object, $object_class ): \Activitypub\Transformer\Base|null {
// If the current WordPress object is not a post (e.g., a WP_Comment), don't change the transformer.
if ( 'WP_Post' !== $object_class ) {
return $transformer;
}
// Get the transformer for a specific event plugins event-post type.
foreach ( $this->active_event_plugins as $event_plugin ) {
if ( $wp_object->post_type === $event_plugin->get_post_type() ) {
$transformer_class = $event_plugin->get_activitypub_event_transformer_class();
if ( class_exists( $transformer_class ) ) {
return new $transformer_class( $wp_object, $event_plugin->get_event_category_taxonomy() );
}
}
}
// Return the default transformer.
return $transformer;
}
/**
* Activates ActivityPub support for all active event plugins event post-types.
*
* @since 1.0.0
*
* @return void
*/
public function activate_activitypub_support_for_active_event_plugins(): void {
// If someone installs this plugin, we simply enable ActivityPub support for all currently active event post types.
$activitypub_supported_post_types = get_option( 'activitypub_support_post_types', array() );
foreach ( $this->active_event_plugins as $event_plugin ) {
if ( ! in_array( $event_plugin['post_type'], $activitypub_supported_post_types, true ) ) {
$activitypub_supported_post_types[] = $event_plugin['post_type'];
}
}
update_option( 'activitypub_support_post_types', $activitypub_supported_post_types );
}
/**
* Activates the ActivityPub Event Extensions plugin.
*
* This method handles the activation of the ActivityPub Event Extensions plugin.
*
* @since 1.0.0
*
* @return void
*/
public function activate(): void {
// Don't allow plugin activation, when the ActivityPub plugin is not activated yet.
if ( ! $this->activitypub_plugin_is_active ) {
deactivate_plugins( plugin_basename( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE ) );
$notice = General_Admin_Notices::get_admin_notice_activitypub_plugin_not_enabled();
wp_die(
wp_kses( $notice, General_Admin_Notices::ALLOWED_HTML ),
'Plugin dependency check',
array( 'back_link' => true ),
);
}
if ( empty( $this->active_event_plugins ) ) {
deactivate_plugins( plugin_basename( ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_FILE ) );
$notice = General_Admin_Notices::get_admin_notice_no_supported_event_plugin_active();
wp_die(
wp_kses( $notice, General_Admin_Notices::ALLOWED_HTML ),
'Plugin dependency check',
array( 'back_link' => true ),
);
}
self::activate_activitypub_support_for_active_event_plugins();
}
}