<?php
/**
 * The model file of install module of ZenTaoMS.
 *
 * ZenTaoMS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * ZenTaoMS 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with ZenTaoMS.  If not, see <http://www.gnu.org/licenses/>.  
 *
 * @copyright   Copyright: 2009 Chunsheng Wang
 * @author      Chunsheng Wang <wwccss@263.net>
 * @package     install
 * @version     $Id$
 * @link        http://www.zentao.cn
 */
?>
<?php
class installModel extends model
{
    /* 获得PHP版本。*/
    public function getPhpVersion()
    {
        return PHP_VERSION;
    }

    /* 检查PHP版本是否符合要求。*/
    public function checkPHP()
    {
        return $result = version_compare(PHP_VERSION, '5.2.0') >= 0 ? 'ok' : 'fail';
    }

    /* 检查PDO扩展是否载入。*/
    public function checkPDO()
    {
        return $result = extension_loaded('pdo') ? 'ok' : 'fail';
    }

    /* 检查PDO_MySQL扩展是否载入。*/
    public function checkPDOMySQL()
    {
        return $result = extension_loaded('pdo_mysql') ? 'ok' : 'fail';
    }

    /* 获得tmpRoot目录的信息。*/
    public function getTmpRoot()
    {
        $result['path']    = $this->app->getTmpRoot();
        $result['exists']  = is_dir($result['path']);
        $result['writable']= is_writable($result['path']);
        return $result;
    }

    /* 检查tmpRoot目录权限。*/
    public function checkTmpRoot()
    {
        $tmpRoot = $this->app->getTmpRoot();
        return $result = (is_dir($tmpRoot) and is_writable($tmpRoot)) ? 'ok' : 'fail';
    }

    /* 获得DataRoot目录的信息。*/
    public function getDataRoot()
    {
        $result['path']    = $this->app->getAppRoot() . 'www' . $this->app->getPathFix() . 'data';
        $result['exists']  = is_dir($result['path']);
        $result['writable']= is_writable($result['path']);
        return $result;
    }

    /* 检查dataRoot目录权限。*/
    public function checkDataRoot()
    {
        $dataRoot = $this->app->getAppRoot() . 'www' . $this->app->getPathFix() . 'data';
        return $result = (is_dir($dataRoot) and is_writable($dataRoot)) ? 'ok' : 'fail';
    }

    /* 获得INI文件的信息。*/
    public function getIniInfo()
    {
        $iniInfo = '';
        ob_start();
        phpinfo(1);
        $lines = explode("\n", strip_tags(ob_get_contents()));
        ob_end_clean();
        foreach($lines as $line) if(strpos($line, 'ini') !== false) $iniInfo .= $line . "\n";
        return $iniInfo;
    }

    /* 获得webRoot的地址。*/
    public function getWebRoot()
    {
        return rtrim(pathinfo($_SERVER['SCRIPT_NAME'], PATHINFO_DIRNAME), '/') . '/';
    }
}