// Öffentlich zugängliche Funktion zum Abrufen von iCal-Exports der eigenen Schichten
function user_ical() {
global $ical_shifts, $user;
global $ical_shifts, $user;
if (isset ($_REQUEST['key']) && preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key']))
$key = $_REQUEST['key'];
else
die("Missing key.");
if (isset ($_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.");
$user = sql_select("SELECT * FROM `User` WHERE `ical_key`='" . sql_escape($key) . "' LIMIT 1");
if (count($user) == 0)
die("Key invalid.");
$user = $user[0];
$user = $user[0];
if (isset ($_REQUEST['export']) && $_REQUEST['export'] == 'user_shifts') {
require_once ('includes/pages/user_shifts.php');
view_user_shifts();
} else {
$ical_shifts = sql_select("SELECT * FROM `ShiftEntry` JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) WHERE `UID`=" . sql_escape($user['UID']) . " ORDER BY `start`");
}
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`");