script.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  Templates.nature
 *
 * @copyright   (C) 2021 Dr. Menzel IT. <https://www.dr-menzel-it.de>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\File;
use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Installer\InstallerScript;
use Joomla\CMS\Language\Text;

/**
 * Installation class to perform additional changes during install/uninstall/update
 *
 * @since  1.0.6v1
 */
class NatureInstallerScript extends InstallerScript
{

/**
     * Move nature template (s)css or js or image files which are left after deleting
     * obsolete core files to the right place in media folder.
     *
     * @return  void
     *
     * @since   4.1.0
     */
    protected function moveTemplateFiles()
    {
        $folders = [
            '/templates/nature/css' => '/media/templates/site/nature/css',
            '/templates/nature/images' => '/media/templates/site/nature/images',
            '/templates/nature/js' => '/media/templates/site/nature/js',
            '/templates/nature/fonts' => '/media/templates/site/nature/fonts',
        ];

        foreach ($folders as $oldFolder => $newFolder)
        {
            if (Folder::exists(JPATH_ROOT . $oldFolder))
            {
                $oldPath   = realpath(JPATH_ROOT . $oldFolder);
                $newPath   = realpath(JPATH_ROOT . $newFolder);
                $directory = new \RecursiveDirectoryIterator($oldPath);
                $directory->setFlags(RecursiveDirectoryIterator::SKIP_DOTS);
                $iterator  = new \RecursiveIteratorIterator($directory);

                // Handle all files in this folder and all sub-folders
                foreach ($iterator as $oldFile)
                {
                    if ($oldFile->isDir())
                    {
                        continue;
                    }

                    $newFile = $newPath . substr($oldFile, strlen($oldPath));

                    // Create target folder and parent folders if they don't exist yet
                    if (is_dir(dirname($newFile)) || @mkdir(dirname($newFile), 0755, true))
                    {
                        File::move($oldFile, $newFile);
                    }
                }
            }
        }
    }


/**
     * Ensure the core templates are correctly moved to the new mode.
     *
     * @return  void
     *
     * @since   4.1.0
     */
    protected function fixTemplateMode(): void
    {
        $db = Factory::getContainer()->get('DatabaseDriver');

        $template = 'nature';
        $clientId = 0;
        $query = $db->getQuery(true)
            ->update($db->quoteName('#__template_styles'))
            ->set($db->quoteName('inheritable') . ' = 1')
            ->where($db->quoteName('template') . ' = ' . $db->quote($template))
            ->where($db->quoteName('client_id') . ' = ' . $clientId);

        try
        {
            $db->setQuery($query)->execute();
        }
        catch (Exception $e)
        {
            echo Text::sprintf('JLIB_DATABASE_ERROR_FUNCTION_FAILED', $e->getCode(), $e->getMessage()) . '<br>';

            return;
        }
    }

    /**
     * Function to perform changes during postflight
     *
     * @param   string            $type    The action being performed
     * @param   Installer  $installer  The class calling this method
     *
     * @return  void
     *
     * @since   1.0.6v1
     */
    public function postflight($type, $installer)
    {
        if ($type == 'update')
        {
            $foldersBefore = array(
                '/templates/nature/css/global',
                '/templates/nature/css/system',
                '/templates/nature/css/vendor',
                '/templates/nature/images'
            );

            $folders = array(
                '/templates/nature/css',
                '/templates/nature/fonts',
                '/templates/nature/js',
            );

            $files = array(
                '/templates/nature/css/bootstrap-icons.css',
                '/templates/nature/css/bootstrap-icons.min.css',
                '/templates/nature/css/icons.css',
                '/templates/nature/css/icons.min.css',
                '/templates/nature/css/metismenu.css',
                '/templates/nature/css/metismenu.min.css',
                '/templates/nature/css/offline.css',
                '/templates/nature/css/offline.min.css',
                '/templates/nature/css/quotes.css',
                '/templates/nature/css/quotes.min.css',
                '/templates/nature/css/template.css',
                '/templates/nature/css/template.min.css',
                '/templates/nature/css/timeline.css',
                '/templates/nature/css/timeline.min.css',
                '/templates/nature/fonts/bootstrap-icons.woff',
                '/templates/nature/fonts/bootstrap-icons.woff2',
                '/templates/nature/fonts/palanquin-v6-latin-300.eot',
                '/templates/nature/fonts/palanquin-v6-latin-300.svg',
                '/templates/nature/fonts/palanquin-v6-latin-300.ttf',
                '/templates/nature/fonts/palanquin-v6-latin-300.woff',
                '/templates/nature/fonts/palanquin-v6-latin-300.woff2',
                '/templates/nature/fonts/palanquin-v6-latin-600.eot',
                '/templates/nature/fonts/palanquin-v6-latin-600.svg',
                '/templates/nature/fonts/palanquin-v6-latin-600.ttf',
                '/templates/nature/fonts/palanquin-v6-latin-600.woff',
                '/templates/nature/fonts/palanquin-v6-latin-600.woff2',
                '/templates/nature/js/template.js',
                '/templates/nature/template_preview.png',
                '/templates/nature/template_thumbnail.png',
                '/templates/nature/html/mod_articles_news/timelinelink.zip'
            );

            foreach ($files as $file)
            {
                if ($fileExists = File::exists(JPATH_ROOT . $file))
                {
                    File::delete(JPATH_ROOT . $file);
                }
            }

            foreach ($foldersBefore as $folder)
            {
                if ($folderExists = Folder::exists(JPATH_ROOT . $folder))
                {
                    Folder::delete(JPATH_ROOT . $folder);
                }
            }

            $this->moveTemplateFiles();

            foreach ($folders as $folder)
            {
                if ($folderExists = Folder::exists(JPATH_ROOT . $folder))
                {
                    Folder::delete(JPATH_ROOT . $folder);
                }
            }

            // Ensure templates are moved to the correct mode
            $this->fixTemplateMode();
        }
    }

}