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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category   Zend
  16   * @package    Zend_Service
  17   * @subpackage Twitter
  18   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  19   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20   * @version    $Id$
  21   */
  22  
  23  /**
  24   * @see Zend_Http_Client
  25   */
  26  require_once 'Zend/Rest/Client.php';
  27  
  28  /**
  29   * @see Zend_Json
  30   */
  31  require_once 'Zend/Json.php';
  32  
  33  /**
  34   * @see Zend_Feed
  35   */
  36  require_once 'Zend/Feed.php';
  37  
  38  /**
  39   * @category   Zend
  40   * @package    Zend_Service
  41   * @subpackage Twitter
  42   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  43   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  44   */
  45  
  46  class Zend_Service_Twitter_Search extends Zend_Rest_Client
  47  {
  48      /**
  49       * Return Type
  50       * @var String
  51       */
  52      protected $_responseType = 'json';
  53  
  54      /**
  55       * Response Format Types
  56       * @var array
  57       */
  58      protected $_responseTypes = array(
  59          'atom',
  60          'json'
  61      );
  62  
  63      /**
  64       * Uri Compoent
  65       *
  66       * @var Zend_Uri_Http
  67       */
  68      protected $_uri;
  69  
  70      /**
  71       * Constructor
  72       *
  73       * @param  string $returnType
  74       * @return void
  75       */
  76      public function __construct($responseType = 'json')
  77      {
  78          $this->setResponseType($responseType);
  79          $this->setUri("http://search.twitter.com");
  80  
  81          $this->setHeaders('Accept-Charset', 'ISO-8859-1,utf-8');
  82      }
  83  
  84      /**
  85       * set responseType
  86       *
  87       * @param string $responseType
  88       * @throws Zend_Service_Twitter_Exception
  89       * @return Zend_Service_Twitter_Search
  90       */
  91      public function setResponseType($responseType = 'json')
  92      {
  93          if(!in_array($responseType, $this->_responseTypes, TRUE)) {
  94              require_once 'Zend/Service/Twitter/Exception.php';
  95              throw new Zend_Service_Twitter_Exception('Invalid Response Type');
  96          }
  97          $this->_responseType = $responseType;
  98          return $this;
  99      }
 100  
 101      /**
 102       * Retrieve responseType
 103       *
 104       * @return string
 105       */
 106      public function getResponseType()
 107      {
 108          return $this->_responseType;
 109      }
 110  
 111      /**
 112       * Get the current twitter trends.  Currnetly only supports json as the return.
 113       *
 114       * @throws Zend_Http_Client_Exception
 115       * @return array
 116       */
 117      public function trends()
 118      {
 119          $response     = $this->restGet('/trends.json');
 120  
 121          return Zend_Json::decode($response->getBody());
 122      }
 123  
 124      /**
 125       * Performs a Twitter search query.
 126       *
 127       * @throws Zend_Http_Client_Exception
 128       */
 129      public function search($query, array $params = array())
 130      {
 131  
 132          $_query = array();
 133  
 134          $_query['q'] = $query;
 135  
 136          foreach($params as $key=>$param) {
 137              switch($key) {
 138                  case 'geocode':
 139                  case 'lang':
 140                  case 'since_id':
 141                      $_query[$key] = $param;
 142                      break;
 143                  case 'rpp':
 144                      $_query[$key] = (intval($param) > 100) ? 100 : intval($param);
 145                      break;
 146                  case 'page':
 147                      $_query[$key] = intval($param);
 148                      break;
 149                  case 'show_user':
 150                      $_query[$key] = 'true';
 151              }
 152          }
 153  
 154          $response = $this->restGet('/search.' . $this->_responseType, $_query);
 155  
 156          switch($this->_responseType) {
 157              case 'json':
 158                  return Zend_Json::decode($response->getBody());
 159                  break;
 160              case 'atom':
 161                  return Zend_Feed::importString($response->getBody());
 162                  break;
 163          }
 164  
 165          return ;
 166      }
 167  }