Bolt\Controller\Backend\Extend::generateTheme PHP Method

    public function generateTheme(Request $request)
    {
        $theme = $request->get('theme');
        $newName = $request->get('name');
        if (empty($theme)) {
            return new Response(Trans::__('page.extend.theme.generation.missing.name'));
        }
        if (!$newName) {
            $newName = basename($theme);
        }
        $source = $this->resources()->getPath('extensions/vendor/' . $theme);
        $destination = $this->resources()->getPath('themebase/' . $newName);
        if (is_dir($source)) {
            $filesystem = new Filesystem();
            try {
                $filesystem->mkdir($destination);
                $filesystem->mirror($source, $destination);
                if (file_exists($destination . '/config.yml.dist')) {
                    $filesystem->copy($destination . '/config.yml.dist', $destination . '/config.yml');
                }
                return new Response(Trans::__('page.extend.theme.generation.success'));
            } catch (\Exception $e) {
                return new Response(Trans::__('page.extend.theme.generation.failure'));
            }
        }
        return $this->getJsonException(new PackageManagerException(Trans::__('page.extend.message.invalid-theme-source-dir', ['%SOURCE%', $source])));
    }