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Fix ticket schedule cancellation never cancelling the calendar event

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This commit is contained in:
johnnyq
2026-08-08 13:00:01 -04:00
parent 46a63b191c
commit 04991a0d79
2 changed files with 36 additions and 28 deletions
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54
functions/app.php
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@@ -415,7 +415,16 @@ function addToMailQueue($data) {
return true;
}
function createiCalStr($datetime, $title, $description, $location) {
function getTicketCalendarUid($ticket_id) {
// An invite and its later cancellation MUST carry the same UID or the
// recipient's calendar client cannot match them up. Derive it from the
// ticket so it is stable across both, rather than from the current time.
$ticket_id = intval($ticket_id);
$host = $_SERVER['SERVER_NAME'] ?? 'itflow';
return "ticket-$ticket_id@$host";
}
function createiCalStr($datetime, $title, $description, $location, $uid = null) {
require_once "../libs/zapcal/zapcallib.php";
// Create the iCal object
@@ -431,8 +440,11 @@ function createiCalStr($datetime, $title, $description, $location) {
// Todo: adjust this for actual duration
$event->addNode(new ZCiCalDataNode("DTEND:" . ZCiCal::fromSqlDateTime($datetime)));
$event->addNode(new ZCiCalDataNode("DTSTAMP:" . ZCiCal::fromSqlDateTime()));
$uid = date('Y-m-d-H-i-s') . "@" . $_SERVER['SERVER_NAME'];
if (empty($uid)) {
$uid = date('Y-m-d-H-i-s') . "@" . ($_SERVER['SERVER_NAME'] ?? 'itflow');
}
$event->addNode(new ZCiCalDataNode("UID:" . $uid));
$event->addNode(new ZCiCalDataNode("SEQUENCE:0"));
$event->addNode(new ZCiCalDataNode("LOCATION:" . $location));
$event->addNode(new ZCiCalDataNode("DESCRIPTION:" . $description));
// Todo: add organizer details
@@ -442,31 +454,27 @@ function createiCalStr($datetime, $title, $description, $location) {
return $cal_event->export();
}
function createiCalStrCancel($originaliCalStr) {
function createiCalStrCancel($datetime, $title, $uid) {
require_once "../libs/zapcal/zapcallib.php";
// Import the original iCal string
$cal_event = new ZCiCal($originaliCalStr);
// Build the cancellation fresh. There is no stored copy of the original
// invite to reopen - the match is made by UID, not by the body.
$cal_event = new ZCiCal();
// Iterate through the iCalendar object to find VEVENT nodes
foreach($cal_event->tree->child as $node) {
if($node->getName() == "VEVENT") {
// Check if STATUS node exists, update it, or add a new one
$statusFound = false;
foreach($node->data as $key => $value) {
if($key == "STATUS") {
$value->setValue("CANCELLED");
$statusFound = true;
break; // Exit the loop once the STATUS is updated
}
}
// If STATUS node is not found, add a new STATUS node
if (!$statusFound) {
$node->addNode(new ZCiCalDataNode("STATUS:CANCELLED"));
}
}
// METHOD belongs on the VCALENDAR, not on the VEVENT
$cal_event->tree->data['METHOD'] = new ZCiCalDataNode("METHOD:CANCEL");
$event = new ZCiCalNode("VEVENT", $cal_event->curnode);
$event->addNode(new ZCiCalDataNode("UID:" . $uid));
$event->addNode(new ZCiCalDataNode("SUMMARY:" . $title));
if (!empty($datetime)) {
$event->addNode(new ZCiCalDataNode("DTSTART:" . ZCiCal::fromSqlDateTime($datetime)));
$event->addNode(new ZCiCalDataNode("DTEND:" . ZCiCal::fromSqlDateTime($datetime)));
}
$event->addNode(new ZCiCalDataNode("DTSTAMP:" . ZCiCal::fromSqlDateTime()));
// Must outrank the invite's SEQUENCE:0 or clients ignore the cancellation
$event->addNode(new ZCiCalDataNode("SEQUENCE:1"));
$event->addNode(new ZCiCalDataNode("STATUS:CANCELLED"));
// Return the modified iCal string
return $cal_event->export();
}