CRM/Event/Page/ICalendar.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  * $Id$
  17  *
  18  */
  19
  20 /**
  21  * ICalendar class
  22  *
  23  */
  24 class CRM_Event_Page_ICalendar extends CRM_Core_Page {
  25
  26   /**
  27    * Heart of the iCalendar data assignment process. The runner gets all the meta
  28    * data for the event and calls the  method to output the iCalendar
  29    * to the user. If gData param is passed on the URL, outputs gData XML format.
  30    * Else outputs iCalendar format per IETF RFC2445. Page param true means send
  31    * to browser as inline content. Else, we send .ics file as attachment.
  32    *
  33    * @return void
  34    */
  35   public function run() {
  36     $id = CRM_Utils_Request::retrieve('id', 'Positive', $this, FALSE, NULL, 'GET');
  37     $type = CRM_Utils_Request::retrieve('type', 'Positive', $this, FALSE, 0);
  38     $start = CRM_Utils_Request::retrieve('start', 'Positive', $this, FALSE, 0);
  39     $end = CRM_Utils_Request::retrieve('end', 'Positive', $this, FALSE, 0);
  40     $iCalPage = CRM_Utils_Request::retrieve('list', 'Positive', $this, FALSE, 0);
  41     $gData = CRM_Utils_Request::retrieve('gData', 'Positive', $this, FALSE, 0);
  42     $html = CRM_Utils_Request::retrieve('html', 'Positive', $this, FALSE, 0);
  43     $rss = CRM_Utils_Request::retrieve('rss', 'Positive', $this, FALSE, 0);
  44
  45     $info = CRM_Event_BAO_Event::getCompleteInfo($start, $type, $id, $end);
  46     $this->assign('events', $info);
  47     $this->assign('timezone', @date_default_timezone_get());
  48
  49     // Send data to the correct template for formatting (iCal vs. gData)
  50     $template = CRM_Core_Smarty::singleton();
  51     $config = CRM_Core_Config::singleton();
  52     if ($rss) {
  53       // rss 2.0 requires lower case dash delimited locale
  54       $this->assign('rssLang', str_replace('_', '-', strtolower($config->lcMessages)));
  55       $calendar = $template->fetch('CRM/Core/Calendar/Rss.tpl');
  56     }
  57     elseif ($gData) {
  58       $calendar = $template->fetch('CRM/Core/Calendar/GData.tpl');
  59     }
  60     elseif ($html) {
  61       // check if we're in shopping cart mode for events
  62       $enable_cart = Civi::settings()->get('enable_cart');
  63       if ($enable_cart) {
  64         $this->assign('registration_links', TRUE);
  65       }
  66       return parent::run();
  67     }
  68     else {
  69       $calendar = $template->fetch('CRM/Core/Calendar/ICal.tpl');
  70       $calendar = preg_replace('/(?<!\r)\n/', "\r\n", $calendar);
  71     }
  72
  73     // Push output for feed or download
  74     if ($iCalPage == 1) {
  75       if ($gData || $rss) {
  76         CRM_Utils_ICalendar::send($calendar, 'text/xml', 'utf-8');
  77       }
  78       else {
  79         CRM_Utils_ICalendar::send($calendar, 'text/plain', 'utf-8');
  80       }
  81     }
  82     else {
  83       CRM_Utils_ICalendar::send($calendar, 'text/calendar', 'utf-8', 'civicrm_ical.ics', 'attachment');
  84     }
  85     CRM_Utils_System::civiExit();
  86   }
  87
  88 }