wordpress-activitypub-event.../includes/class-setup.php
2024-08-01 20:08:35 +02:00

233 lines
7.5 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;
// 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 {
const SUPPORTED_EVENT_PLUGINS = array(
'events_manager' => array(
'plugin_file' => 'events-manager/events-manager.php',
'post_type' => 'event',
'settings_page' => 'options-general.php?page=vsel',
'transformer_class' => 'Events_Manager',
),
'gatherpress' => array(
'plugin_file' => 'gatherpress/gatherpress.php',
'post_type' => 'gatherpress_event',
'transformer_class' => 'GatherPress',
'settings_page_id' => 'gatherpress_general',
),
'the_events_calendar' => array(
'plugin_file' => 'the-events-calendar/the-events-calendar.php',
'post_type' => 'tribe_events',
'transformer_class' => 'Tribe',
'settings_page_id' => 'tribe_general',
),
'vsel' => array(
'plugin_file' => 'very-simple-event-list/vsel.php',
'post_type' => 'event',
'settings_page_id' => 'settings_page_vsel',
'transformer_class' => 'VS_Event',
),
);
/**
* Keep the information whether the ActivityPub plugin is active.
*
* @var boolean
*/
protected $activitypub_plugin_is_active = false;
/**
* Holds an array of the currently activated supported event plugins.
*
* @var array
*/
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' );
$this->active_event_plugins = self::detect_supported_event_plugins();
$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;
}
/**
* 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_supported_event_plugins(): array {
$active_event_plugins = array();
foreach ( self::SUPPORTED_EVENT_PLUGINS as $event_plugin_key => $event_plugin ) {
if ( \is_plugin_active( $event_plugin['plugin_file'] ) ) {
$active_event_plugins[ $event_plugin_key ] = $event_plugin;
}
}
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' ) );
// 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_filter( 'activitypub_transformer', array( $this, 'register_activitypub_event_transformer' ), 10, 3 );
}
/**
* 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 ( 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['post_type'] ) {
$transformer_class = 'Activitypub_Event_Extensions\Activitypub\Transformer\\' . $event_plugin['transformer_class'];
return new $transformer_class( $wp_object );
}
}
// Return the default transformer.
return $transformer;
}
/**
* 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() {
// 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 ),
);
}
// 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 );
}
}