gnu-social/plugins/ChooseTheme/ChooseThemePlugin.php

<?php
/**
 * ChooseTheme - GNU social plugin enabling user to select a preferred theme
 * Copyright (C) 2015, kollektivet0x242.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author   Knut Erik Hollund <knut.erik@unlike.no>
 * @copyright 2015 kollektivet0x242. http://www.kollektivet0x242.no
 *
 * @license  GNU Affero General Public License http://www.gnu.org/licenses/
 */

defined('GNUSOCIAL') || die();

class ChooseThemePlugin extends Plugin
{
    const PLUGIN_VERSION = '0.1.0';

    public function onRouterInitialized(URLMapper $m)
    {
        $m->connect('main/choosethemesettings', ['action' => 'choosethemesettings']);
    }

    public function onPluginVersion(array &$versions): bool
    {
        $versions[] = ['name' => 'ChooseTheme',
            'version' => self::PLUGIN_VERSION,
            'author' => 'Knut Erik "abjectio" Hollund',
            'homepage' => 'https://gitlab.com/kollektivet0x242/gsp-choosetheme',
            'rawdescription' =>
            // TRANS: Module description.
            _m('Allowing user to select the preferred theme.')];
        return true;
    }

    /**
     * Menu item for ChooseTheme
     *
     * @param Action $action action being executed
     *
     * @return bool hook return
     * @throws Exception
     */
    public function onEndAccountSettingsNav(Action $action): bool
    {
        $action_name = $action->getActionName();

        $action->menuItem(
            common_local_url('choosethemesettings'),
            // TRANS: Poll plugin menu item on user settings page.
            _m('MENU', 'Theme'),
            // TRANS: Poll plugin tooltip for user settings menu item.
            _m('Choose Theme'),
            $action_name === 'themesettings'
        );

        return true;
    }


    public function onStartShowStylesheets(Action $action)
    {
        //get the theme and set the current config for site and theme.
        if ($action->getScoped() instanceof Profile) {
            $site_theme = common_config('site', 'theme');
            $user_theme = $action->getScoped()->getPref('chosen_theme', 'theme', $site_theme);
            common_config_set('site', 'theme', $user_theme);
        }
        return true;
    }
}