<?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_Service

 * @subpackage Twitter

 * @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: Search.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Http_Client

 */

require_once 'Zend/Rest/Client.php';

/**

 * @see Zend_Json

 */

require_once 'Zend/Json.php';

/**

 * @see Zend_Feed

 */

require_once 'Zend/Feed.php';

/**

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Twitter

 * @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_Service_Twitter_Search extends Zend_Rest_Client

{

    /**

     * Return Type

     * @var String

     */

    protected $_responseType = 'json';

    /**

     * Response Format Types

     * @var array

     */

    protected $_responseTypes = array(

        'atom',

        'json'

    );

    /**

     * Uri Compoent

     *

     * @var Zend_Uri_Http

     */

    protected $_uri;

    /**

     * Constructor

     *

     * @param  string $returnType

     * @return void

     */

    public function __construct($responseType = 'json')

    {

        $this->setResponseType($responseType);

        $this->setUri("http://search.twitter.com");

        $this->setHeaders('Accept-Charset', 'ISO-8859-1,utf-8');

    }

    /**

     * set responseType

     *

     * @param string $responseType

     * @throws Zend_Service_Twitter_Exception

     * @return Zend_Service_Twitter_Search

     */

    public function setResponseType($responseType = 'json')

    {

        if(!in_array($responseType, $this->_responseTypes, TRUE)) {

            require_once 'Zend/Service/Twitter/Exception.php';

            throw new Zend_Service_Twitter_Exception('Invalid Response Type');

        }

        $this->_responseType = $responseType;

        return $this;

    }

    /**

     * Retrieve responseType

     *

     * @return string

     */

    public function getResponseType()

    {

        return $this->_responseType;

    }

    /**

     * Get the current twitter trends.  Currnetly only supports json as the return.

     *

     * @throws Zend_Http_Client_Exception

     * @return array

     */

    public function trends()

    {

        $response     = $this->restGet('/trends.json');

        return Zend_Json::decode($response->getBody());

    }

    /**

     * Performs a Twitter search query.

     *

     * @throws Zend_Http_Client_Exception

     */

    public function search($query, array $params = array())

    {

        $_query = array();

        $_query['q'] = $query;

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

            switch($key) {

                case 'geocode':

                case 'lang':

                case 'since_id':

                    $_query[$key] = $param;

                    break;

                case 'rpp':

                    $_query[$key] = (intval($param) > 100) ? 100 : intval($param);

                    break;

                case 'page':

                    $_query[$key] = intval($param);

                    break;

                case 'show_user':

                    $_query[$key] = 'true';

            }

        }

        $response = $this->restGet('/search.' . $this->_responseType, $_query);

        switch($this->_responseType) {

            case 'json':

                return Zend_Json::decode($response->getBody());

                break;

            case 'atom':

                return Zend_Feed::importString($response->getBody());

                break;

        }

        return ;

    }

}