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<?php
/**
* Update Class For Essential Grid
* Enables automatic updates on the Plugin
*
* @package Essential_Grid_Admin
* @author ThemePunch <[email protected]>
* @link http://www.themepunch.com/essential/
* @copyright 2023 ThemePunch
*/
if (!defined('ABSPATH')) exit();
class Essential_Grid_Update
{
/**
* @var string
*/
private $plugin_url = 'https://codecanyon.net/item/essential-grid-wordpress-plugin/7563340';
/**
* @var string
*/
private $remote_url = 'check_for_updates.php';
/**
* @var string
*/
private $remote_url_info = 'essential-grid/essential-grid.php';
/**
* @var string
*/
private $plugin_path = 'essential-grid/essential-grid.php';
/**
* @var string
*/
private $version;
/**
* @var string
*/
private $option;
/**
* @var stdClass
*/
private $data;
/**
* @param string $version
*/
public function __construct($version)
{
$this->option = ESG_PLUGIN_SLUG . '_update_info';
$this->data = new stdClass;
$this->_retrieve_version_info();
$this->version = (empty($version)) ? ESG_REVISION : $version;
}
public function add_update_checks()
{
if (isset($_GET['checkforupdates']) && $_GET['checkforupdates'] == 'true'){
// an update can follow, so set the execution time high for the runtime
ini_set('max_execution_time', 300);
$transient = get_site_transient('update_plugins');
$esg_t = $this->set_update_transient($transient);
if(!empty($esg_t)){
set_site_transient('update_plugins', $esg_t);
}
}
add_filter('pre_set_site_transient_update_plugins', array(&$this, 'set_update_transient'));
add_filter('plugins_api', array(&$this, 'set_updates_api_results'), 10, 3);
}
/**
* @param stdClass $transient
* @return stdClass
*/
public function set_update_transient($transient)
{
$this->_check_updates();
if (!is_object($transient)) {
$transient = new stdClass();
}
if (!isset($transient->response)) {
$transient->response = array();
}
if (!empty($this->data->basic) && is_object($this->data->basic)) {
$version = (isset($this->data->basic->version)) ? $this->data->basic->version : $this->data->basic->new_version;
if (version_compare($this->version, $version, '<')) {
$this->data->basic->new_version = $version;
if(isset($this->data->basic->version)){
unset($this->data->basic->version);
}
$transient->response[$this->plugin_path] = $this->data->basic;
}
}
return $transient;
}
/**
* @param mixed $result
* @param string $action
* @param stdClass $args
* @return mixed
*/
public function set_updates_api_results($result, $action, $args)
{
$this->_check_updates();
if (isset($args->slug) && $args->slug == ESG_PLUGIN_SLUG && $action == 'plugin_information') {
if (is_object($this->data->full) && !empty($this->data->full)) {
$result = $this->data->full;
}
}
return $result;
}
protected function _check_updates()
{
$force = false;
if (isset($_GET['checkforupdates']) && $_GET['checkforupdates'] == 'true') $force = true;
// Get data
if (empty($this->data)) {
$data = get_option($this->option, false);
$data = $data ? $data : new stdClass;
$this->data = is_object($data) ? $data : maybe_unserialize($data);
}
// If there is no option in the database, boolean `false` is returned
$last_check = get_option('tp_eg_update-check');
if (!$last_check) {
$last_check = time();
update_option('tp_eg_update-check', $last_check);
}
// Check for updates
if (time() - $last_check > 172800 || $force || empty($this->data)) {
$data = $this->_retrieve_update_info();
if (isset($data->basic)) {
update_option('tp_eg_update-check', time());
$this->data->checked = time();
$this->data->basic = $data->basic;
$this->data->full = $data->full;
update_option('tp_eg_latest-version', $data->full->version);
}
}
// Save results
update_option($this->option, $this->data);
}
public function _retrieve_update_info()
{
global $esg_loadbalancer;
// Build request
$code = Essential_Grid_Base::getCode();
$data = array(
'code' => urlencode($code),
'product' => urlencode(ESG_PLUGIN_SLUG),
'version' => urlencode(ESG_REVISION)
);
$request = $esg_loadbalancer->call_url($this->remote_url_info, $data);
$data = new stdClass;
if (!is_wp_error($request)) {
if ($response = maybe_unserialize($request['body'])) {
if (is_object($response)) {
$data = $response;
$data->basic->url = $this->plugin_url;
$data->full->url = $this->plugin_url;
$data->full->external = 1;
}
}
}
return $data;
}
/**
* @param bool $force
* @return bool|string
*/
public function _retrieve_version_info($force = false)
{
global $esg_loadbalancer;
// If there is no option in the database, boolean `false` is returned
$last_check = get_option('tp_eg_update-check-short');
// Check for updates
if (!$last_check || time() - $last_check > 172800 || $force) {
update_option('tp_eg_update-check-short', time());
$hash = $force ? '' : get_option('tp_eg-update-hash', '');
$data = array(
'item' => urlencode(ESG_PLUGIN_SLUG),
'version' => urlencode(ESG_REVISION),
'hash' => urlencode($hash),
);
$request = $esg_loadbalancer->call_url($this->remote_url, $data);
if (is_wp_error($request)) {
update_option('essential-connection', false);
return false;
}
update_option('essential-connection', true);
$response = wp_remote_retrieve_body($request);
if ('actual' != $response) {
$version_info = json_decode($response);
if (isset($version_info->hash)) update_option('tp_eg-update-hash', $version_info->hash);
if (isset($version_info->stable)) update_option('essential-stable-version', $version_info->stable);
if (isset($version_info->notices)) update_option('essential-notices', $version_info->notices);
if (isset($version_info->dashboard)) update_option('essential-dashboard', $version_info->dashboard);
if (isset($version_info->version)) update_option('tp_eg_latest-version', $version_info->version);
if (isset($version_info->addons)) {
$esg_addons = Essential_Grid_Addons::instance();
$esg_addons->update_addons((array)$version_info->addons);
}
}
}
return get_option('tp_eg_latest-version', ESG_REVISION);
}
}