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<?php
/**
* Update Plugin
*
* @package SimpleCalendar/Updates
*/
namespace SimpleCalendar;
if (!defined('ABSPATH')) {
exit();
}
/**
* Update script.
*
* Updates the installed plugin to the current version.
*
* @since 3.0.0
*/
class Update
{
/**
* Previous version.
*
* @access protected
* @var string
*/
private $installed_ver = '0.0.0';
/**
* Current version.
*
* @access private
* @var string
*/
private $new_ver = '0.0.0';
/**
* Existing posts.
*
* @access private
* @var array
*/
private $posts = [];
/**
* Update path.
*
* @access private
*
* @var array
*/
private $update_path = ['2.1.0', '2.2.0', '3.0.0', '3.0.13'];
/**
* Constructor.
*
* @since 3.0.0
*
* @param string $version (optional) Current plugin version, defaults to value in plugin constant.
*/
public function __construct($version = SIMPLE_CALENDAR_VERSION)
{
// Look for previous version in current or legacy option, null for fresh install.
$installed = get_option('simple-calendar_version', null);
$this->installed_ver = is_null($installed) ? get_option('gce_version', null) : $installed;
$this->new_ver = $version;
if (version_compare($this->installed_ver, $this->new_ver, '<')) {
$this->run_updates();
}
}
/**
* Update to current version.
*
* Runs all the update scripts through version steps.
*
* @since 3.0.0
*/
public function run_updates()
{
do_action('simcal_before_update', $this->installed_ver);
if (!is_null($this->installed_ver)) {
if (version_compare($this->installed_ver, $this->new_ver) === -1) {
$post_type = version_compare($this->installed_ver, '3.0.0') === -1 ? 'gce_feed' : 'calendar';
$this->posts = $this->get_posts($post_type);
foreach ($this->update_path as $update_to) {
if (version_compare($this->installed_ver, $update_to, '<')) {
$this->update($update_to);
}
}
}
simcal_delete_feed_transients();
} else {
new Post_Types();
flush_rewrite_rules();
}
do_action('simcal_updated', $this->new_ver);
// Redirect to a welcome page if new install or major update.
if (is_null($this->installed_ver)) {
set_transient('_simple-calendar_activation_redirect', 'fresh', 60);
} else {
$major_new = substr($this->new_ver, 0, strrpos($this->new_ver, '.'));
$major_old = substr($this->installed_ver, 0, strrpos($this->installed_ver, '.'));
if (version_compare($major_new, $major_old, '>')) {
set_transient('_simple-calendar_activation_redirect', 'update', 60);
} elseif ($major_old == $major_new) {
$version = explode('.', $this->new_ver);
end($version);
if (0 === intval(current($version))) {
set_transient('_simple-calendar_activation_redirect', 'update', 60);
}
}
}
$this->admin_redirects();
update_option('simple-calendar_version', $this->new_ver);
}
/**
* Handle redirects to welcome page after install and updates.
*
* Transient must be present, the user must have access rights, and we must ignore the network/bulk plugin updaters.
*
* @since 3.0.0
*/
public function admin_redirects()
{
$transient = get_transient('_simple-calendar_activation_redirect');
if (!$transient || is_network_admin() || isset($_GET['activate-multi']) || !current_user_can('manage_options')) {
return;
}
delete_transient('_simple-calendar_activation_redirect');
// Do not redirect if already on welcome page screen.
if (!empty($_GET['page']) && in_array($_GET['page'], ['simple-calendar_about'])) {
return;
}
$url = esc_url(
add_query_arg('simcal_install', esc_attr($transient), admin_url('index.php?page=simple-calendar_about'))
);
wp_safe_redirect($url);
exit();
}
/**
* Get posts.
*
* @since 3.0.0
*
* @param $post_type
*
* @return array
*/
private function get_posts($post_type)
{
$posts = [];
if (!empty($post_type)) {
// https://core.trac.wordpress.org/ticket/18408
$posts = get_posts([
'post_type' => $post_type,
'post_status' => ['draft', 'future', 'publish', 'pending', 'private', 'trash'],
'nopaging' => true,
]);
wp_reset_postdata();
}
return $posts;
}
/**
* Update.
*
* Runs an update script for the specified version passed in argument.
*
* @since 3.0.0
*
* @param string $version
*/
private function update($version)
{
$update_v = '\\' . __NAMESPACE__ . '\Updates\\Update_V' . str_replace('.', '', $version);
if (class_exists($update_v)) {
new $update_v($this->posts);
}
}
}