<?php // Öffentlich zugängliche Funktion zum Abrufen von iCal-Exports der eigenen Schichten function user_ical() { global $ical_shifts, $user; if (isset ($_REQUEST['key']) && preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key'])) $key = $_REQUEST['key']; else die("Missing key."); $user = sql_select("SELECT * FROM `User` WHERE `ical_key`='" . sql_escape($key) . "' LIMIT 1"); if (count($user) == 0) die("Key invalid."); $user = $user[0]; if (isset ($_REQUEST['export']) && $_REQUEST['export'] == 'user_shifts') { require_once ('includes/pages/user_shifts.php'); view_user_shifts(); } else { $ical_shifts = sql_select("SELECT `Shifts`.*, `Room`.`Name` as `room_name` FROM `ShiftEntry` INNER JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) INNER JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) WHERE `UID`=" . sql_escape($user['UID']) . " ORDER BY `start`"); } header("Content-Type: text/calendar; charset=utf-8"); $html = "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//-//Engelsystem//DE\r\nCALSCALE:GREGORIAN\r\n"; foreach ($ical_shifts as $shift) { $html .= "BEGIN:VEVENT\r\n"; $html .= "UID:" . md5($shift['start'] . $shift['end'] . $shift['name']) . "\r\n"; $html .= "SUMMARY:" . str_replace("\n", "\\n", $shift['name']) . "\r\n"; if(isset($shift['Comment'])) $html .= "DESCRIPTION:" . str_replace("\n", "\\n", $shift['Comment']) . "\r\n"; $html .= "DTSTART;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['start']) . "\r\n"; $html .= "DTEND;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['end']) . "\r\n"; $html .= "LOCATION:" . $shift['room_name'] . "\r\n"; $html .= "END:VEVENT\r\n"; } $html .= "END:VCALENDAR\r\n"; header("Content-Length: " . strlen($html)); echo $html; die(); } ?>