| 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 | * Class to generate various "icalendar" type event feeds |
| 14 | */ |
| 15 | class CRM_Event_ICalendar { |
| 16 | |
| 17 | /** |
| 18 | * Heart of the iCalendar data assignment process. The runner gets all the meta |
| 19 | * data for the event and calls the method to output the iCalendar |
| 20 | * to the user. If gData param is passed on the URL, outputs gData XML format. |
| 21 | * Else outputs iCalendar format per IETF RFC2445. Page param true means send |
| 22 | * to browser as inline content. Else, we send .ics file as attachment. |
| 23 | */ |
| 24 | public static function run() { |
| 25 | $id = CRM_Utils_Request::retrieveValue('id', 'Positive', NULL, FALSE, 'GET'); |
| 26 | $type = CRM_Utils_Request::retrieveValue('type', 'Positive', 0); |
| 27 | $start = CRM_Utils_Request::retrieveValue('start', 'Positive', 0); |
| 28 | $end = CRM_Utils_Request::retrieveValue('end', 'Positive', 0); |
| 29 | |
| 30 | // We used to handle the event list as a html page at civicrm/event/ical - redirect to the new URL if that was what we requested. |
| 31 | if (CRM_Utils_Request::retrieveValue('html', 'Positive', 0)) { |
| 32 | $urlParams = [ |
| 33 | 'reset' => 1, |
| 34 | ]; |
| 35 | $id ? $urlParams['id'] = $id : NULL; |
| 36 | $type ? $urlParams['type'] = $type : NULL; |
| 37 | $start ? $urlParams['start'] = $start : NULL; |
| 38 | $end ? $urlParams['end'] = $end : NULL; |
| 39 | CRM_Utils_System::redirect(CRM_Utils_System::url('civicrm/event/list', $urlParams, FALSE, NULL, FALSE, TRUE)); |
| 40 | } |
| 41 | |
| 42 | $iCalPage = CRM_Utils_Request::retrieveValue('list', 'Positive', 0); |
| 43 | $gData = CRM_Utils_Request::retrieveValue('gData', 'Positive', 0); |
| 44 | $rss = CRM_Utils_Request::retrieveValue('rss', 'Positive', 0); |
| 45 | |
| 46 | $template = CRM_Core_Smarty::singleton(); |
| 47 | $config = CRM_Core_Config::singleton(); |
| 48 | |
| 49 | $info = CRM_Event_BAO_Event::getCompleteInfo($start, $type, $id, $end); |
| 50 | $template->assign('events', $info); |
| 51 | $template->assign('timezone', @date_default_timezone_get()); |
| 52 | |
| 53 | // Send data to the correct template for formatting (iCal vs. gData) |
| 54 | if ($rss) { |
| 55 | // rss 2.0 requires lower case dash delimited locale |
| 56 | $template->assign('rssLang', str_replace('_', '-', strtolower($config->lcMessages))); |
| 57 | $calendar = $template->fetch('CRM/Core/Calendar/Rss.tpl'); |
| 58 | } |
| 59 | elseif ($gData) { |
| 60 | $calendar = $template->fetch('CRM/Core/Calendar/GData.tpl'); |
| 61 | } |
| 62 | else { |
| 63 | $calendar = $template->fetch('CRM/Core/Calendar/ICal.tpl'); |
| 64 | $calendar = preg_replace('/(?<!\r)\n/', "\r\n", $calendar); |
| 65 | } |
| 66 | |
| 67 | // Push output for feed or download |
| 68 | if ($iCalPage == 1) { |
| 69 | if ($gData || $rss) { |
| 70 | CRM_Utils_ICalendar::send($calendar, 'text/xml', 'utf-8'); |
| 71 | } |
| 72 | else { |
| 73 | CRM_Utils_ICalendar::send($calendar, 'text/calendar', 'utf-8'); |
| 74 | } |
| 75 | } |
| 76 | else { |
| 77 | CRM_Utils_ICalendar::send($calendar, 'text/calendar', 'utf-8', 'civicrm_ical.ics', 'attachment'); |
| 78 | } |
| 79 | CRM_Utils_System::civiExit(); |
| 80 | } |
| 81 | |
| 82 | } |