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<?php
declare(strict_types=1);
namespace SimplyBook\Controllers;
use SimplyBook\Interfaces\ControllerInterface;
use SimplyBook\Support\Helpers\Storages\EnvironmentConfig;
class UpgradeController implements ControllerInterface
{
private const LEGACY_VERSION = '2.3';
private EnvironmentConfig $env;
public function __construct(EnvironmentConfig $env)
{
$this->env = $env;
}
public function register(): void
{
add_action('simplybook_controllers_loaded', [$this, 'checkForUpgrades']);
}
/**
* Fire an action when the plugin is upgraded from one version to another.
*
* @internal Note the starting underscore in the option name. This is to
* prevent the option from being deleted when a user logs out. As if
* it is a private SimplyBook option.
*
* @hooked simplybook_controllers_loaded to make sure Controllers can hook
* into simplybook_plugin_version_upgrade. Even this one.
*
* @uses do_action simplybook_plugin_version_upgrade
*/
public function checkForUpgrades(): void
{
$previousSavedVersion = (string) get_option('_simplybook_current_version', '');
if ($previousSavedVersion === $this->env->getString('plugin.version')) {
return; // Nothing to do
}
// This could be one if-statement, but this makes it readable that we
// do not query the database if we do not need to.
if (empty($previousSavedVersion)) {
if ($this->isUpgradeFromLegacy()) {
$previousSavedVersion = self::LEGACY_VERSION;
}
}
// Trigger upgrade hook if we are upgrading from a previous version.
// Action can be used by Controllers to hook into the upgrade process
if (!empty($previousSavedVersion)) {
do_action('simplybook_plugin_version_upgrade', $previousSavedVersion, $this->env->getString('plugin.version'));
}
// Also makes sure $previousSavedVersion will only be empty one time
update_option('_simplybook_current_version', $this->env->getString('plugin.version'), false);
}
/**
* Check if the plugin is being upgraded from a legacy version.
* @internal Ideally this method should be removed in the future.
* @since 3.0.0
*/
private function isUpgradeFromLegacy(): bool
{
$cacheName = 'simplybook_was_legacy_plugin_active';
$cacheValue = wp_cache_get($cacheName, 'simplybook', false, $found);
if ($found) {
return (bool) $cacheValue;
}
global $wpdb;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
$count = $wpdb->get_var(
$wpdb->prepare(
"SELECT COUNT(*) FROM {$wpdb->options} WHERE option_name LIKE %s",
'simplybookMePl_%'
)
);
wp_cache_set($cacheName, ($count > 0), 'simplybook', DAY_IN_SECONDS);
return $count > 0;
}
}