<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Tool

 * @subpackage Framework

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: DbAdapter.php 20852 2010-02-02 21:59:18Z ralph $

 */

/**

 * @see Zend_Tool_Project_Provider_Abstract

 */

require_once 'Zend/Tool/Project/Provider/Abstract.php';

/**

 * @see Zend_Tool_Framework_Provider_Interactable

 */

require_once 'Zend/Tool/Framework/Provider/Interactable.php';

/**

 * @category   Zend

 * @package    Zend_Tool

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Tool_Project_Provider_DbAdapter

    extends Zend_Tool_Project_Provider_Abstract

    implements Zend_Tool_Framework_Provider_Interactable, Zend_Tool_Framework_Provider_Pretendable

{

    protected $_appConfigFilePath = null;

    protected $_config = null;

    protected $_sectionName = 'production';

    public function configure($dsn = null, /* $interactivelyPrompt = false, */ $sectionName = 'production')

    {

        $profile = $this->_loadProfile(self::NO_PROFILE_THROW_EXCEPTION);

        $appConfigFileResource = $profile->search('applicationConfigFile');

        if ($appConfigFileResource == false) {

            throw new Zend_Tool_Project_Exception('A project with an application config file is required to use this provider.');

        }

        $this->_appConfigFilePath = $appConfigFileResource->getPath();

        $this->_config = new Zend_Config_Ini($this->_appConfigFilePath, null, array('skipExtends' => true, 'allowModifications' => true));

        if ($sectionName != 'production') {

            $this->_sectionName = $sectionName;

        }

        if (!isset($this->_config->{$this->_sectionName})) {

            throw new Zend_Tool_Project_Exception('The config does not have a ' . $this->_sectionName . ' section.');

        }

        if (isset($this->_config->{$this->_sectionName}->resources->db)) {

            throw new Zend_Tool_Project_Exception('The config already has a db resource configured in section ' . $this->_sectionName . '.');

        }

        if ($dsn) {

            $this->_configureViaDSN($dsn);

        //} elseif ($interactivelyPrompt) {

        //    $this->_promptForConfig();

        } else {

            $this->_registry->getResponse()->appendContent('Nothing to do!');

        }

    }

    protected function _configureViaDSN($dsn)

    {

        $dsnVars = array();

        if (strpos($dsn, '=') === false) {

            throw new Zend_Tool_Project_Provider_Exception('At least one name value pair is expected, typcially '

                . 'in the format of "adapter=Mysqli&username=uname&password=mypass&dbname=mydb"' 

                );

        }

        parse_str($dsn, $dsnVars);

        // parse_str suffers when magic_quotes is enabled

        if (get_magic_quotes_gpc()) {

            array_walk_recursive($dsnVars, array($this, '_cleanMagicQuotesInValues'));

        }

        $dbConfigValues = array('resources' => array('db' => null));

        if (isset($dsnVars['adapter'])) {

            $dbConfigValues['resources']['db']['adapter'] = $dsnVars['adapter'];

            unset($dsnVars['adapter']);

        }

        $dbConfigValues['resources']['db']['params'] = $dsnVars;

        $isPretend = $this->_registry->getRequest()->isPretend();

        // get the config resource

        $applicationConfig = $this->_loadedProfile->search('ApplicationConfigFile');

        $applicationConfig->addItem($dbConfigValues, $this->_sectionName, null);

        $response = $this->_registry->getResponse();

        if ($isPretend) {

            $response->appendContent('A db configuration for the ' . $this->_sectionName

                . ' section would be written to the application config file with the following contents: '

                );

            $response->appendContent($applicationConfig->getContents());

        } else {

            $applicationConfig->create();

            $response->appendContent('A db configuration for the ' . $this->_sectionName

                . ' section has been written to the application config file.'

                );

        }

    }

    protected function _cleanMagicQuotesInValues(&$value, $key)

    {

        $value = stripslashes($value);

    }

}