application/controllers/helpers/SyjApi.php

   1 <?php
   2 /*  This file is part of Syj, Copyright (c) 2010 Arnaud Renevier,
   3     and is published under the AGPL license. */
   4
   5 class Syj_Controller_Action_Helper_SyjApi extends Zend_Controller_Action_Helper_Abstract
   6 {
   7     protected $_contentType = 'text/plain';
   8     protected $_checkIfNoneMatch = false;
   9     protected $_body = '';
  10     protected $_code = 200;
  11
  12     public function init() {
  13         $viewRenderer = Zend_Controller_Action_HelperBroker::getStaticHelper('viewRenderer');
  14         $viewRenderer->setNoRender();
  15         $layout = Zend_Layout::getMvcInstance();
  16         if (null !== $layout) {
  17             $layout->disableLayout();
  18         }
  19     }
  20
  21     public function setContentType($contentType) {
  22         $this->_contentType = (string)$contentType;
  23         return $this;
  24     }
  25
  26     public function getContentType() {
  27         $this->_contentType = $contentType;
  28     }
  29
  30     public function setBodyJson($data) {
  31         $this->setBody(json_encode($data))
  32              ->setContentType('application/json');
  33     }
  34
  35     public function setBody($body) {
  36         $this->_body = (string)$body;
  37         return $this;
  38     }
  39
  40     public function getBody() {
  41         return $body;
  42     }
  43
  44     public function setCode($code) {
  45         $this->_code = (int)$code;
  46         return $this;
  47     }
  48
  49     public function getCode() {
  50         return $this->_code;
  51     }
  52
  53     public function setCheckIfNoneMatch($check) {
  54         $this->_checkIfNoneMatch = (boolean)$check;
  55         return $this;
  56     }
  57
  58     public function getCheckIfNoneMatch() {
  59         return $this->_checkIfNoneMatch;
  60     }
  61
  62     public function postDispatch() {
  63         $response = $this->getResponse();
  64
  65         $response->setHeader('Content-Type', $this->_contentType)
  66                  ->setHeader('Content-Length', strlen($this->_body));
  67
  68         if ($this->_checkIfNoneMatch) {
  69             $request = $this->getRequest();
  70
  71             $etag = md5 ($this->_body);
  72             if ($request->getServer("HTTP_IF_NONE_MATCH") == $etag) {
  73                 $response->setHttpResponseCode(304);
  74                 return;
  75             }
  76
  77             // no-cache is needed otherwise IE does not try to get new version.
  78             $response->setHeader ('Cache-control', 'no-cache, must-revalidate');
  79             $response->setHeader ('Etag', $etag);
  80         }
  81
  82         $response->setHttpResponseCode($this->_code)
  83                  ->setBody($this->_body);
  84     }
  85 }
  86 ?>