<?php

/*
 * This file is part of the Access to Memory (AtoM) software.
 *
 * Access to Memory (AtoM) 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.
 *
 * Access to Memory (AtoM) 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Access to Memory (AtoM).  If not, see <http://www.gnu.org/licenses/>.
 */

class QubitSettingsFilter extends sfFilter
{
    public function execute($filterChain)
    {
        $cache = QubitCache::getInstance();
        $cacheKey = 'settings:i18n:'.sfContext::getInstance()->getUser()->getCulture();

        // Get settings (from cache if exists)
        if ($cache->has($cacheKey)) {
            $settings = unserialize($cache->get($cacheKey));
        } else {
            $settings = QubitSetting::getSettingsArray();

            $cache->set($cacheKey, serialize($settings));
        }

        // Check environment vairables and overwrite/populate settings
        $envHashmap = ['ATOM_READ_ONLY' => 'boolean'];
        foreach ($envHashmap as $env => $type) {
            if (false === $value = getenv($env)) {
                continue;
            }

            switch ($type) {
                case 'boolean':
                    $value = filter_var($value, FILTER_VALIDATE_BOOLEAN);

                    break;
            }

            $key = strtolower(str_replace('ATOM', 'app', $env));
            $settings[$key] = $value;
        }

        // Overwrite/populate settings into sfConfig object
        sfConfig::add($settings);

        // Execute next filter
        $filterChain->execute();
    }
}
