bbp-notify-admin.php

<?php
/**
 * Plugin Name: bbPress Notify Admins
 * Plugin URI: https://buddydev.com/plugins/bbp-notify-admin/
 * Description:  Notify admins on new topic/replies on their bbPress forums
 * Version: 1.0.3
 * Author: Brajesh Singh(BuddyDev.com)
 * Author URI: https://buddydev.com/
 * License: GPL
 *
 * @package bbp-notify-admins
*/

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class BBP_Notify_Admin_Helper
 */
class BBP_Notify_Admin_Helper {

	/**
	 * Singleton instance.
	 *
	 * @var BBP_Notify_Admin_Helper
	 */
	private static $instance;

	/**
	 * Plugin directory url.
	 *
	 * @var string
	 */
	private $url;

	/**
	 * Plugin directory path.
	 *
	 * @var string
	 */
	private $path;

	/**
	 * BBP_Notify_Admin_Helper constructor.
	 */
	private function __construct() {
		$this->setup();

		add_action( 'bbp_loaded', array( $this, 'setup' ) );
		add_action( 'plugins_loaded', array( $this, 'load_admin' ), 9996 ); // pt-settings 1.0.3.
	}

	/**
	 * Get the singleton instance.
	 *
	 * @return BBP_Notify_Admin_Helper
	 */
	public static function get_instance() {

		if ( ! isset( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}
	
	/**
	 * Setup the path and url of the plugin
	 */
	public function setup() {
		$this->path = plugin_dir_path( __FILE__ );
		$this->url  = plugin_dir_url( __FILE__ );

		$this->load();

		$notifier = BBP_Notify_Admin_Email_Notifier::get_instance();

		add_action( 'bbp_new_topic', array( $notifier, 'notify_topic' ), 50, 5 );
		add_action( 'bbp_new_reply', array( $notifier, 'notify_reply' ), 50, 7 );
	}

	/**
	 * Load admin files and initialize settings helper class.
	 */
	public function load_admin() {

		if ( ! function_exists( 'bbpress' ) || ! is_admin() || wp_doing_ajax() ) {
			return;
		}

		require_once $this->path . 'admin/pt-settings/pt-settings-loader.php';
		require_once $this->path . 'admin/class-bbp-notify-admin-settings-helper.php';

		BBP_Notify_Admin_Settings_Helper::boot();
	}

	/**
	 * Load required files when bbPress is loaded
	 */
	private function load() {
		require_once $this->path . 'class-email-notifier.php';
	}

	/**
	 * URL to the bbp-notify-admin plugin directory with trailing slash
	 *
	 * @return string url
	 */
	public function get_url() {
		return $this->url;
	}

	/**
	 * File system absolute path to the bbp-notify-admin plugin directory with trailing slash
	 *
	 * @return string
	 */
	public function get_path() {
		return $this->path;
	}
}

/**
 * Singleton instance
 *
 * @return BBP_Notify_Admin_Helper
 */
function bbp_notify_admin_helper() {
	return BBP_Notify_Admin_Helper::get_instance();
}

// initialize.
bbp_notify_admin_helper();