switcheditor.install.php

<?php
/**
 * @package    Switch Editor
 * @copyright  Copyright (C) 2025 ConseilGouz. All rights reserved.
 * From anything-digital.com Switch Editor
 * @license    GNU/GPLv2
 */
// no direct access
defined('_JEXEC') or die;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\Database\DatabaseInterface;
use Joomla\Filesystem\File;
use Joomla\Filesystem\Folder;

class pkg_SwitchEditorInstallerScript
{
	protected $db;
	private $min_joomla_version      = '4.0.0';
	private $min_php_version         = '8.0';
    private $newlib_version	         = '';
    private $dir                     = null;
	private $installerName = 'switcheditorinstaller';
	
	public function __construct()
	{
        $this->dir = __DIR__;
		$this->db = Factory::getContainer()->get(DatabaseInterface::class);
	}
    function preflight($type, $parent)
    {

		if ( ! $this->passMinimumJoomlaVersion())
		{
			$this->uninstallInstaller();

			return false;
		}

		if ( ! $this->passMinimumPHPVersion())
		{
			$this->uninstallInstaller();

			return false;
		}
		$obsloteFiles = ["SwitchEditorHelper.php"];
		foreach ($obsloteFiles as $file) {
			$f = JPATH_ADMINISTRATOR . '/modules/mod_switcheditor/src/Helper/' . $file;
			if (@is_file($f)) {
				File::delete($f);
			}
			$f = JPATH_ROOT . '/modules/mod_switcheditor/src/Helper/' . $file;
			if (@is_file($f)) {
				File::delete($f);
			}
		}
		return true;

	}

	public function postflight($type, $parent)
	{
		if ('uninstall' == $type)
		{
			return;
		}
        if (!$this->checkLibrary('conseilgouz')) { // need library installation
            $ret = $this->installPackage('lib_conseilgouz');
            if ($ret) {
                Factory::getApplication()->enqueueMessage('ConseilGouz Library ' . $this->newlib_version . ' installed', 'notice');
            }
        }
        // delete obsolete version.php file
        $this->delete([
            JPATH_ADMINISTRATOR . '/modules/mod_switcheditor/src/Field/VersionField.php',
            JPATH_SITE . '/modules/mod_switcheditor/src/Field/VersionField.php',
        ]);
        
		// remove obsolete files
		$obsloteFiles = ["helper.php","mod_switcheditor.php"];
		foreach ($obsloteFiles as $file) {
			$f = JPATH_ADMINISTRATOR . '/modules/mod_switcheditor/' . $file;
			if (@is_file($f)) {
				File::delete($f);
			}
			$f = JPATH_ROOT . '/modules/mod_switcheditor/' . $file;
			if (@is_file($f)) {
				File::delete($f);
			}
		}
		// plugin not used anymore
		$query = $this->db->getQuery(true)
			->delete('#__extensions')
			->where($this->db->quoteName('element') . ' like "switcheditor" AND '
					.$this->db->quoteName('type'). 'like "plugin"');
		$this->db->setQuery($query);
		$this->db->execute();
		$f = JPATH_ROOT . '/plugins/system/switcheditor';
		if (@is_dir($f)) {
			Folder::delete($f);
		}
		// update admin module if not enabled : access = registered, position = status, enable it
		$query = $this->db->getQuery(true)
				->select($this->db->quoteName('id'))
				->from('#__modules')
				->where($this->db->quoteName('module') . '="mod_switcheditor"')
				->where($this->db->quoteName('client_id') . '=1')
				->where($this->db->quoteName('published') . '=0'); // not yet published
		$this->db->setQuery($query);
		$id = $this->db->loadResult();
		if ($id) {
			$id = (int) $id;
			// update the module position & publication
			$query = $this->db->getQuery(true)
					->update('#__modules')
					->set($this->db->quoteName('published') . '=1')
					->set($this->db->quoteName('position') . '= "status"')
					->set($this->db->quoteName('access') . '=2') // registred mini
					->where($this->db->quoteName('id') . '=' . $id);
			$this->db->setQuery($query);
			$this->db->execute();
			// remove any previous module menu entries
			$query = $this->db->getQuery(true)->delete('#__modules_menu')->where($this->db->quoteName('moduleid') . '=' . $id);
			$this->db->setQuery($query);
	        $this->db->execute();
			// insert a new module menu entry
			$query = $this->db->getQuery(true)->insert('#__modules_menu')->values($id . ', 0');
			$this->db->setQuery($query);
			$this->db->execute(); 
		}
		// update site module if not enabled : access = registered, enable it
		$query = $this->db->getQuery(true)
				->select($this->db->quoteName('id'))
				->from('#__modules')
				->where($this->db->quoteName('module') . '="mod_switcheditor"')
				->where($this->db->quoteName('client_id') . '=0')
				->where($this->db->quoteName('published') . '=0'); // not yet published
		$this->db->setQuery($query);
		$id = $this->db->loadResult();
		if ($id) {
			$id = (int) $id;
			// update the module position & publication
			$query = $this->db->getQuery(true)
					->update('#__modules')
					->set($this->db->quoteName('published') . '=1')
					->set($this->db->quoteName('access') . '=2') // registred mini
					->where($this->db->quoteName('id') . '=' . $id);
			$this->db->setQuery($query);
			$this->db->execute();
			// enable module on all menus
			$menu = new stdClass();
			$menu->menuid = 0;
			$menu->moduleid=$id;
			// Insert the object into the modules_menu table.
			$result = $this->db->insertObject('#__modules_menu', $menu);
		}
		// SwitchEditor is now on Github
		$query = $this->db->getQuery(true)
			->delete('#__update_sites')
			->where($this->db->quoteName('location') . ' like "%conseilgouz.com/updates/pkg_switcheditor%"');
		$this->db->setQuery($query);
		$this->db->execute();
	}
	// Check if Joomla version passes minimum requirement
	private function passMinimumJoomlaVersion()
	{
		if (version_compare(JVERSION, $this->min_joomla_version, '<'))
		{
			Factory::getApplication()->enqueueMessage(
				Text::sprintf(
					'NOT_COMPATIBLE_UPDATE',
					'<strong>' . JVERSION . '</strong>',
					'<strong>' . $this->min_joomla_version . '</strong>'
				),
				'error'
			);

			return false;
		}

		return true;
	}

	// Check if PHP version passes minimum requirement
	private function passMinimumPHPVersion()
	{

		if (version_compare(PHP_VERSION, $this->min_php_version, '<'))
		{
			Factory::getApplication()->enqueueMessage(
				Text::sprintf(
					'NOT_COMPATIBLE_PHP',
					'<strong>' . PHP_VERSION . '</strong>',
					'<strong>' . $this->min_php_version . '</strong>'
				),
				'error'
			);

			return false;
		}

		return true;
	}
    private function checkLibrary($library)
    {
        $file = $this->dir.'/lib_conseilgouz/conseilgouz.xml';
        if (!is_file($file)) {// library not installed
            return false;
        }
        $xml = simplexml_load_file($file);
        $this->newlib_version = $xml->version;
        $db = Factory::getContainer()->get(DatabaseInterface::class);
        $conditions = array(
             $db->qn('type') . ' = ' . $db->q('library'),
             $db->qn('element') . ' = ' . $db->quote($library)
            );
        $query = $db->getQuery(true)
                ->select('manifest_cache')
                ->from($db->quoteName('#__extensions'))
                ->where($conditions);
        $db->setQuery($query);
        $manif = $db->loadObject();
        if ($manif) {
            $manifest = json_decode($manif->manifest_cache);
            if ($manifest->version >= $this->newlib_version) { // compare versions
                return true; // library ok
            }
        }
        return false; // need library
    }
    private function installPackage($package)
    {
        $tmpInstaller = new Joomla\CMS\Installer\Installer();
        $db = Factory::getContainer()->get(DatabaseInterface::class);
        $tmpInstaller->setDatabase($db);
        $installed = $tmpInstaller->install($this->dir . '/' . $package);
        return $installed;
    }
    
	private function uninstallInstaller()
	{
		if ( ! is_dir(JPATH_PLUGINS . '/system/' . $this->installerName)) {
			return;
		}
		$this->delete([
			JPATH_PLUGINS . '/system/' . $this->installerName . '/language',
			JPATH_PLUGINS . '/system/' . $this->installerName,
		]);
		$db	= Factory::getContainer()->get(DatabaseInterface::class);
		$query = $db->getQuery(true)
			->delete('#__extensions')
			->where($db->quoteName('element') . ' = ' . $db->quote($this->installerName))
			->where($db->quoteName('folder') . ' = ' . $db->quote('system'))
			->where($db->quoteName('type') . ' = ' . $db->quote('plugin'));
		$db->setQuery($query);
		$db->execute();
		Factory::getCache()->clean('_system');
	}
    public function delete($files = [])
    {
        foreach ($files as $file) {
            if (is_dir($file)) {
                Folder::delete($file);
            }

            if (is_file($file)) {
                File::delete($file);
            }
        }
    }
	
}