CRM/Event/Page/ICalendar.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.4                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2013                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26 */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2013
  32  * $Id$
  33  *
  34  */
  35
  36 /**
  37  * ICalendar class
  38  *
  39  */
  40 class CRM_Event_Page_ICalendar extends CRM_Core_Page {
  41
  42   /**
  43    * Heart of the iCalendar data assignment process. The runner gets all the meta
  44    * data for the event and calls the  method to output the iCalendar
  45    * to the user. If gData param is passed on the URL, outputs gData XML format.
  46    * Else outputs iCalendar format per IETF RFC2445. Page param true means send
  47    * to browser as inline content. Else, we send .ics file as attachment.
  48    *
  49    * @return void
  50    */
  51   function run() {
  52     $id       = CRM_Utils_Request::retrieve('id', 'Positive', $this, FALSE, NULL, 'GET');
  53     $type     = CRM_Utils_Request::retrieve('type', 'Positive', $this, FALSE, 0);
  54     $start    = CRM_Utils_Request::retrieve('start', 'Positive', $this, FALSE, 0);
  55     $end      = CRM_Utils_Request::retrieve('end', 'Positive', $this, FALSE, 0);
  56     $iCalPage = CRM_Utils_Request::retrieve('list', 'Positive', $this, FALSE, 0);
  57     $gData    = CRM_Utils_Request::retrieve('gData', 'Positive', $this, FALSE, 0);
  58     $html     = CRM_Utils_Request::retrieve('html', 'Positive', $this, FALSE, 0);
  59     $rss      = CRM_Utils_Request::retrieve('rss', 'Positive', $this, FALSE, 0);
  60
  61     $info = CRM_Event_BAO_Event::getCompleteInfo($start, $type, $id, $end);
  62     $this->assign('events', $info);
  63     $this->assign('timezone', @date_default_timezone_get());
  64
  65     // Send data to the correct template for formatting (iCal vs. gData)
  66     $template = CRM_Core_Smarty::singleton();
  67     $config = CRM_Core_Config::singleton();
  68     if ($rss) {
  69       // rss 2.0 requires lower case dash delimited locale
  70       $this->assign('rssLang', str_replace('_', '-', strtolower($config->lcMessages)));
  71       $calendar = $template->fetch('CRM/Core/Calendar/Rss.tpl');
  72     }
  73     elseif ($gData) {
  74       $calendar = $template->fetch('CRM/Core/Calendar/GData.tpl');
  75     }
  76     elseif ($html) {
  77       // check if we're in shopping cart mode for events
  78       $enable_cart = CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::EVENT_PREFERENCES_NAME,
  79         'enable_cart'
  80       );
  81       if ($enable_cart) {
  82         $this->assign('registration_links', TRUE);
  83       }
  84       return parent::run();
  85     }
  86     else {
  87       $calendar = $template->fetch('CRM/Core/Calendar/ICal.tpl');
  88       $calendar = preg_replace('/(?<!\r)\n/', "\r\n", $calendar);
  89     }
  90
  91     // Push output for feed or download
  92     if ($iCalPage == 1) {
  93       if ($gData || $rss) {
  94         CRM_Utils_ICalendar::send($calendar, 'text/xml', 'utf-8');
  95       }
  96       else {
  97         CRM_Utils_ICalendar::send($calendar, 'text/plain', 'utf-8');
  98       }
  99     }
 100     else {
 101       CRM_Utils_ICalendar::send($calendar, 'text/calendar', 'utf-8', 'civicrm_ical.ics', 'attachment');
 102     }
 103     CRM_Utils_System::civiExit();
 104   }
 105 }
 106