66 lines
1.9 KiB
PHP
66 lines
1.9 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Controller for ical output of users own shifts or any user_shifts filter.
|
|
*/
|
|
function user_ical() {
|
|
global $user;
|
|
|
|
if (! isset($_REQUEST['key']) || ! preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key'])) {
|
|
engelsystem_error("Missing key.");
|
|
}
|
|
$key = $_REQUEST['key'];
|
|
|
|
$user = User_by_api_key($key);
|
|
if ($user === false) {
|
|
engelsystem_error("Unable to find user.");
|
|
}
|
|
if ($user == null) {
|
|
engelsystem_error("Key invalid.");
|
|
}
|
|
|
|
if (! in_array('ical', privileges_for_user($user['UID'])))
|
|
engelsystem_error("No privilege for ical.");
|
|
|
|
$ical_shifts = load_ical_shifts();
|
|
|
|
send_ical_from_shifts($ical_shifts);
|
|
}
|
|
|
|
/**
|
|
* Renders an ical calender from given shifts array.
|
|
*
|
|
* @param array<Shift> $shifts
|
|
*/
|
|
function send_ical_from_shifts($shifts) {
|
|
header("Content-Type: text/calendar; charset=utf-8");
|
|
$output = "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//-//Engelsystem//DE\r\nCALSCALE:GREGORIAN\r\n";
|
|
foreach ($shifts as $shift) {
|
|
$output .= make_ical_entry_from_shift($shift);
|
|
}
|
|
$output .= "END:VCALENDAR\r\n";
|
|
$output = trim($output, "\x0A");
|
|
header("Content-Length: " . strlen($output));
|
|
raw_output($output);
|
|
}
|
|
|
|
/**
|
|
* Renders an ical vevent from given shift.
|
|
*
|
|
* @param Shift $shift
|
|
*/
|
|
function make_ical_entry_from_shift($shift) {
|
|
$output = "BEGIN:VEVENT\r\n";
|
|
$output .= "UID:" . md5($shift['start'] . $shift['end'] . $shift['name']) . "\r\n";
|
|
$output .= "SUMMARY:" . str_replace("\n", "\\n", $shift['name']) . " (" . str_replace("\n", "\\n", $shift['title']) . ")\r\n";
|
|
if (isset($shift['Comment'])) {
|
|
$output .= "DESCRIPTION:" . str_replace("\n", "\\n", $shift['Comment']) . "\r\n";
|
|
}
|
|
$output .= "DTSTART;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['start']) . "\r\n";
|
|
$output .= "DTEND;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['end']) . "\r\n";
|
|
$output .= "LOCATION:" . $shift['Name'] . "\r\n";
|
|
$output .= "END:VEVENT\r\n";
|
|
return $output;
|
|
}
|
|
?>
|