define_constants(); $this->init_addon(); } public static function init() { static $instance = false; if ( ! $instance ) { $instance = new self(); } return $instance; } public function define_constants() { /** * Defines CONSTANTS for Whole Addon. */ define( 'ACADEMY_WEBHOOK_VERSION', '1.0' ); define( 'ACADEMY_WEBHOOK_VERSION_NAME', 'academy_webhook_version' ); define( 'ACADEMY_WEBHOOK_INCLUDES_DIR_PATH', ACADEMY_ROOT_DIR_PATH . 'addons/webhooks/includes/' ); define( 'ACADEMY_WEBHOOK_LISTENERS_DIR_PATH', ACADEMY_ROOT_DIR_PATH . 'addons/webhooks/listeners' ); } public function init_addon() { // fire addon activation hook add_action( "academy/addons/activated_{$this->addon_name}", array( $this, 'addon_activation_hook' ) ); add_action( "academy/addons/deactivated_{$this->addon_name}", array( $this, 'addon_deactivation_hook' ) ); // if disable then stop running addons if ( ! \Academy\Helper::get_addon_active_status( $this->addon_name ) ) { return; } Database::init(); Listeners::init(); } public function addon_activation_hook() { Database::init(); \Academy\Helper::flush_rewrite_rules(); } public function addon_deactivation_hook() { \Academy\Helper::flush_rewrite_rules(); } }