48 lines
1.8 KiB
PHP
48 lines
1.8 KiB
PHP
<?php
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// Öffentlich zugängliche Funktion zum Abrufen von iCal-Exports der eigenen Schichten
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function user_ical() {
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global $ical_shifts, $user;
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if (isset ($_REQUEST['key']) && preg_match("/^[0-9a-f]{32}$/", $_REQUEST['key']))
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$key = $_REQUEST['key'];
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else
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die("Missing key.");
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$user = User_by_api_key($key);
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if($user === false)
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die("Unable to find user.");
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if($user == null)
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die("Key invalid.");
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if(!in_array('ical', privileges_for_user($user['UID'])))
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die("No privilege for ical.");
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if (isset ($_REQUEST['export']) && $_REQUEST['export'] == 'user_shifts') {
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require_once ('includes/pages/user_shifts.php');
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view_user_shifts();
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} else {
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$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($user['UID']) . " ORDER BY `start`");
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}
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header("Content-Type: text/calendar; charset=utf-8");
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$html = "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//-//Engelsystem//DE\r\nCALSCALE:GREGORIAN\r\n";
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foreach ($ical_shifts as $shift) {
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$html .= "BEGIN:VEVENT\r\n";
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$html .= "UID:" . md5($shift['start'] . $shift['end'] . $shift['name']) . "\r\n";
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$html .= "SUMMARY:" . str_replace("\n", "\\n", $shift['name']) . "\r\n";
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if(isset($shift['Comment']))
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$html .= "DESCRIPTION:" . str_replace("\n", "\\n", $shift['Comment']) . "\r\n";
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$html .= "DTSTART;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['start']) . "\r\n";
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$html .= "DTEND;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['end']) . "\r\n";
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$html .= "LOCATION:" . $shift['room_name'] . "\r\n";
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$html .= "END:VEVENT\r\n";
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}
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$html .= "END:VCALENDAR\r\n";
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$html = trim($html, "\x0A");
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header("Content-Length: " . strlen($html));
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echo $html;
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die();
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}
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?>
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