<?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_Controller

 * @subpackage Zend_Controller_Action_Helper

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

 */

/**

 * @see Zend_Controller_Action_Helper_Abstract

 */

require_once 'Zend/Controller/Action/Helper/Abstract.php';

/**

 * Helper for creating URLs for redirects and other tasks

 *

 * @uses       Zend_Controller_Action_Helper_Abstract

 * @category   Zend

 * @package    Zend_Controller

 * @subpackage Zend_Controller_Action_Helper

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

 */

class Zend_Controller_Action_Helper_Url extends Zend_Controller_Action_Helper_Abstract

{

    /**

     * Create URL based on default route

     *

     * @param  string $action

     * @param  string $controller

     * @param  string $module

     * @param  array  $params

     * @return string

     */

    public function simple($action, $controller = null, $module = null, array $params = null)

    {

        $request = $this->getRequest();

        if (null === $controller) {

            $controller = $request->getControllerName();

        }

        if (null === $module) {

            $module = $request->getModuleName();

        }

        $url = $controller . '/' . $action;

        if ($module != $this->getFrontController()->getDispatcher()->getDefaultModule()) {

            $url = $module . '/' . $url;

        }

        if ('' !== ($baseUrl = $this->getFrontController()->getBaseUrl())) {

            $url = $baseUrl . '/' . $url;

        }

        if (null !== $params) {

            $paramPairs = array();

            foreach ($params as $key => $value) {

                $paramPairs[] = urlencode($key) . '/' . urlencode($value);

            }

            $paramString = implode('/', $paramPairs);

            $url .= '/' . $paramString;

        }

        $url = '/' . ltrim($url, '/');

        return $url;

    }

    /**

     * Assembles a URL based on a given route

     *

     * This method will typically be used for more complex operations, as it

     * ties into the route objects registered with the router.

     *

     * @param  array   $urlOptions Options passed to the assemble method of the Route object.

     * @param  mixed   $name       The name of a Route to use. If null it will use the current Route

     * @param  boolean $reset

     * @param  boolean $encode

     * @return string Url for the link href attribute.

     */

    public function url($urlOptions = array(), $name = null, $reset = false, $encode = true)

    {

        $router = $this->getFrontController()->getRouter();

        return $router->assemble($urlOptions, $name, $reset, $encode);

    }

    /**

     * Perform helper when called as $this->_helper->url() from an action controller

     *

     * Proxies to {@link simple()}

     *

     * @param  string $action

     * @param  string $controller

     * @param  string $module

     * @param  array  $params

     * @return string

     */

    public function direct($action, $controller = null, $module = null, array $params = null)

    {

        return $this->simple($action, $controller, $module, $params);

    }

}