<?php
/**
* $Id: Configuration.php,v 1.16 2007-04-29 14:40:23 thorstenr Exp $
*
* The main class for fetching the configuration, update and delete items.
*
* @author       Thorsten Rinne <thorsten@phpmyfaq.de>
* @package      phpMyFAQ
* @since        2006-01-04
* @copyright    (c) 2006-2007 phpMyFAQ Team
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*/
class PMF_Configuration
{
    /**
    * DB handle
    *
    * @var  object
    */
    var $db;

    /**
    * Configuration array
    *
    * @var  array
    */
    var $config = array();

    /**
    * Constructor
    *
    * @param    object
    * @return   void
    * @author   Thorsten Rinne <thorsten@phpmyfaq.de>
    */
    function PMF_Configuration($db)
    {
        $this->db = $db;
    }

    /**
    * Fetches all configuration items into an array
    *
    * @return   void
    * @access   public
    * @author   Thorsten Rinne <thorsten@phpmyfaq.de>
    */
    function getAll()
    {
        global $PMF_LANG, $LANG_CONF;
        // Load the Configuration Keys
        if (!isset($LANG_CONF)) {
            // Hack: avoid circular reference
            $PMF_CONF['main.maxAttachmentSize'] = 2048000;
            require_once(dirname(dirname(__FILE__)).'/lang/language_en.php');
        }

        $query = sprintf("
            SELECT
                config_name, config_value
            FROM
                %sfaqconfig",
            SQLPREFIX);
        $result = $this->db->query($query);
        while ($row = $this->db->fetch_object($result)) {
            $this->config[$row->config_name] = $row->config_value;
        }
        
        if (defined('USE_RVSSEAGULL_MODE')) {
            $this->config['main.titleFAQ'] = (SGL_Config::get('faqweb.title')) ? SGL_Config::get('faqweb.title')  : $this->config['main.titleFAQ'];
            $this->config['records.defaultActivation'] = true;
        }
    } // end func getAll()

    /**
    * Returns a configuration item
    *
    * @param    string
    * @return   mixed
    * @access   public
    * @author   Thorsten Rinne <thorsten@phpmyfaq.de>
    */
    function get($item)
    {
        if (!isset($this->config[$item])) {
            $this->getAll();
        }
        switch ($this->config[$item]) {
            case 'true':
        		return true;
        		break;
        	case 'false':
        	    return false;
        	    break;
        	default:
        	    return $this->config[$item];
        		break;
        }
    } // end func get()

    /**
    * Updates all configuration items
    *
    * @param    mixed
    * @return   bool
    * @access   public
    * @author   Thorsten Rinne <thorsten@phpmyfaq.de>
    */
    function update($newconfig)
    {
        if (is_array($newconfig)) {
            foreach ($newconfig as $name => $value) {
                if ($name != 'main.phpMyFAQToken') {
                    $query = sprintf("
                        UPDATE
                            %sfaqconfig
                        SET
                            config_value = '%s'
                        WHERE
                            config_name = '%s'",
                        SQLPREFIX,
                        $this->db->escape_string(trim($value)),
                        $name);
                    $this->db->query($query);
                    if (isset($this->config[$name])) {
                        unset($this->config[$name]);
                    }
                }
            }
            return true;
        }
        return false;
    } // end func update()
}