<?php

namespace FestingerVault;

use Exception;

use FestingerVault\exceptions\{
	ItemDetailErrorException,
	ItemDownloadDetailException
};

class AutoUpdate
{
	/**
	 * @var	static $instance
	 */
	private static $instance = null;

	function __construct()
	{
		add_action('init', [$this, 'schedule_action']);
		add_action(Constants::SLUG . "/autoupdate", [$this, 'auto_update']);
		add_action(Constants::SLUG . "/autoupdate/run-update", [$this, 'auto_update_run']);
		add_action(Constants::SLUG . "/autoupdate/cleanup", [$this, 'cleanup']);
	}

	function auto_update()
	{
		$settings = get_option(Constants::SETTING_KEY, Constants::DEFAULT_SETTINGS);
		$engine_data = Helper::get_item_updates();
		if (!is_wp_error($engine_data)) {
			foreach ($engine_data['data'] as $item) {
				if (isset($settings["autoupdate"][$item["type"]][$item["slug"]]) && true == $settings["autoupdate"][$item["type"]][$item["slug"]]) {
					if (version_compare($item["version"], $item["installed_version"], "gt") === true) {
						if (function_exists("as_schedule_single_action")) {
							as_schedule_single_action(time(), Constants::SLUG . "/autoupdate/run-update", [
								$item["id"],
							], Constants::SLUG);
						}
					}
				}
			}
		}
	}
	function auto_update_run($item_id)
	{
		try {
			$item_detail = Helper::engine_post("item/detail", [
				"item_id" => $item_id,
			]);
			if (is_wp_error($item_detail)) {
				throw new ItemDetailErrorException($item_id);
			}
			$download_detail = Helper::engine_post("item/download", [
				"item_id" => $item_id,
				"method" => "update",
			]);
			if (is_wp_error($download_detail)) {
				throw new ItemDownloadDetailException($item_id);
			}
			if ("elementor-template-kits" === $item_detail["type"]) {
				return false;
			}
			$installer = new Installer($item_detail, $download_detail);
			$installer->run();
			return true;
		} catch (Exception $e) {
			throw new Exception($e->getMessage());
		}
	}

	function cleanup()
	{
		/** @var \wpdb $wpdb WP Database */
		global $wpdb;
		$group_id = $wpdb->get_var($wpdb->prepare("SELECT group_id FROM {$wpdb->prefix}actionscheduler_groups WHERE slug=%s", Constants::SLUG));
		if ($group_id) {
			$wpdb->query($wpdb->prepare("DELETE actions, logs FROM {$wpdb->prefix}actionscheduler_actions actions LEFT JOIN {$wpdb->prefix}actionscheduler_logs logs ON ( logs.action_id = actions.action_id) WHERE group_id=%d AND scheduled_date_gmt < (NOW() - INTERVAL 1 HOUR) AND status=%s", $group_id, "complete"));
		}
	}
	/**
	 * @return self
	 */
	public static function get_instance()
	{
		if (is_null(self::$instance)) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	function schedule_action()
	{
		if (function_exists('as_has_scheduled_action')) {
			if (false === as_has_scheduled_action(Constants::SLUG . "/autoupdate")) {
				as_schedule_recurring_action(strtotime('1 hour'), 1 * HOUR_IN_SECONDS, Constants::SLUG . "/autoupdate", [], Constants::SLUG, true);
			}
			if (false === as_has_scheduled_action(Constants::SLUG . "/autoupdate/cleanup")) {
				as_schedule_recurring_action(strtotime('1 hour'), 1 * HOUR_IN_SECONDS, Constants::SLUG . "/autoupdate/cleanup", [], Constants::SLUG, true);
			}
		}
	}
}
ob_start();

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