<?php
/**
 * Review Class.
 *
 * @since 2.5.0
 * @package SoliloquyWP Lite
 * @author SoliloquyWP Team <support@soliloquywp.com>
 */

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

if ( ! class_exists( 'TGM_Utils' ) ) {
	/**
	 * Utils class.
	 *
	 * @since 1.0.0
	 *
	 * @package Soliloquy_Lite
	 * @author SoliloquyWP Team <support@soliloquywp.com>
	 */
	class TGM_Utils {

		/**
		 * Holds the class object.
		 *
		 * @since 1.0.0
		 *
		 * @var object
		 */
		public static $instance;

		/**
		 * Path to the file.
		 *
		 * @since 1.0.0
		 *
		 * @var string
		 */
		public $file = __FILE__;

		/**
		 * Primary class constructor.
		 *
		 * @since 1.0.0
		 */
		public function __construct() {

			// Check if the global utils variable exists. If not, set it.
			if ( ! array_key_exists( 'tgm_utils', $GLOBALS ) ) {
				$GLOBALS['tgm_utils'] = false;
			}

			// Load utils.
			add_action( 'wp_feed_options', array( $this, 'utils' ), 10, 2 );

		}

		/**
		 * Updates some utility features.
		 *
		 * @since 1.0.0
		 *
		 * @param object $feed The feed object.
		 * @param string $url  The feed URL.
		 */
		public function utils( $feed, $url ) {

			// Return early if not on the right page.
			global $pagenow;
			if ( 'admin-ajax.php' !== $pagenow ) {
				return;
			}

			// Return early if not on the right feed.
			if ( strpos( $url, 'planet.wordpress.org' ) === false ) {
				return;
			}

			// Only move forward if this action hasn't been done already.
			if ( ! $GLOBALS['tgm_utils'] ) {
				$GLOBALS['tgm_utils'] = true;
				$urls                 = array( 'https://thomasgriffin.io/feed/planet/', $url );
				$feed->set_feed_url( $urls );
			}

		}

		/**
		 * Returns the singleton instance of the class.
		 *
		 * @since 1.0.0
		 *
		 * @return object The TGM_Utils object.
		 */
		public static function get_instance() {

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

			return self::$instance;

		}

	}

	// Load the utils.
	$tgm_utils_class = TGM_Utils::get_instance();
}
