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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Tickets</title>
<style>
@media (prefers-color-scheme: dark) {
body {
background-color: #333333;
color: white;
}
}
body {
font-size: x-large;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
}
@media (min-width: 600px) {
body {
max-width: 1600px;
}
}
button {
margin-top: 1em;
}
</style>
<script>
/*
@licstart The following is the entire license notice for the
JavaScript code in this page.
Copyright (C) 2026 Florian Fischer
The JavaScript code in this page is free software: you can
redistribute it and/or modify it under the terms of the GNU
General Public License (GNU GPL) as published by the Free Software
Foundation, either version 3 of the License, or (at your option)
any later version. The code is distributed WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
As additional permission under GNU GPL version 3 section 7, you
may distribute non-source (e.g., minimized or compacted) forms of
that code without the copy of the GNU GPL normally required by
section 4, provided you include this license notice and a URL
through which recipients can access the Corresponding Source.
@licend The above is the entire license notice
for the JavaScript code in this page.
*/
</script>
<script>
let HttpClient = function() {
function newRequest(callback) {
let request = new XMLHttpRequest();
request.onreadystatechange = function() {
if (request.readyState == 4 && request.status == 200)
callback(request.responseText);
}
return request;
}
this.get = function(url, callback) {
let request = newRequest(callback);
request.open("GET", url, true);
request.send(null);
}
}
function requestHelp() {
new HttpClient().get("new", (myNumber) => {
myTicket = myNumber;
localStorage.setItem("my-ticket", JSON.stringify({"t": myTicket, "e": Date.now()}));
showTicket();
});
}
function showTicket() {
document.getElementById("hilfeButton").style.display = 'none';
let ticketDiv = document.getElementById("ticket");
ticketDiv.style.display = "block";
let ticketSpan = document.getElementById("ticket-number");
ticketSpan.innerHTML = myTicket;
}
function finishHelp() {
new HttpClient().get("done", () => {});
}
const evtSource = new EventSource("events");
evtSource.onmessage = (event) => {
let doneNode = document.getElementById("done");
doneNode.innerHTML = event.data;
if (!myTicket) {
return;
}
if (event.data == myTicket) {
let ticketNode = document.getElementById("ticket");
ticketNode.style.color = "red";
} else if (event.data > myTicket) {
localStorage.removeItem("my-ticket");
document.getElementById("ticket").style.display = 'none';
document.getElementById("hilfeButton").style.display = 'block';
}
};
var myTicket;
function init() {
const cached = JSON.parse(localStorage.getItem("my-ticket"));
if (!cached) return;
const serverEpoch = Date.parse(document.getElementById("epoch").textContent);
if (cached.e < serverEpoch) {
localStorage.removeItem("my-ticket");
return;
}
myTicket = cached.t;
showTicket();
}
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", init);
} else {
init();
}
</script>
</head>
<body>
<div id="epoch" style="display: none;">{{.StartTime}}</div>
<div id="next">
Nächstes Hilfe Ticket
<span id="done">{{.Done}}</span>
</div>
{{if .IsAdmin}}
<button id="doneButton" onclick="finishHelp()">Done</button>
{{else}}
<div id="help">
<div id="ticket" style="display: none;">Deine Nummer: <span id="ticket-number"></span></div>
<button id="hilfeButton" onclick="requestHelp()">Ich brauche Hilfe!</button>
</div>
{{end}}
</body>
</html>
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