Initial: Quizalarm Quiz-Plattform

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node_modules
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README.md
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# Quizalarm — Baserow Tabellenstruktur
Diese Anleitung beschreibt, wie die benötigten Tabellen in Baserow angelegt werden.
---
## Voraussetzungen
- Baserow erreichbar unter `https://br.orfel.de`
- Ein API-Token erstellt unter: **Settings → API Tokens → Create Token**
- Rechte: mindestens `create`, `read`, `update` für alle relevanten Tabellen
---
## 1. Datenbank anlegen
1. In Baserow einloggen
2. Klicke auf **+ Create database**
3. Name: `Quizalarm`
---
## 2. Antworten-Tabelle anlegen
Diese Tabelle speichert ALLE Ergebnisse (Live + Solo). Es gibt nur eine einzige.
1. In der Datenbank `Quizalarm`**+ Add table** → Name: `Antworten`
2. Lösche die automatisch erstellten Beispiel-Spalten
3. Erstelle folgende Felder:
| Nr. | Feldname | Feldtyp | Optionen / Hinweis |
|-----|----------------|---------------------|---------------------------------------------|
| 1 | `Nutzername` | Single line text | |
| 2 | `Frage_ID` | Number (Integer) | |
| 3 | `Fragenset` | Single line text | |
| 4 | `Antwort` | Single line text | Enthält z.B. `A,C` oder `Berlin` |
| 5 | `Richtig` | Boolean | |
| 6 | `Punkte` | Number (Integer) | |
| 7 | `Session_ID` | Single line text | z.B. `LIVE-M3K7X` oder `SOLO-K8P2Q` |
| 8 | `Modus` | Single select | Optionen anlegen: `Live`, `Solo` |
| 9 | `Zeitstempel` | Date | ✅ "Include time" aktivieren |
1. **Table-ID notieren**: Klicke auf die Tabelle → die URL enthält `/database/TABLE_ID/...`
---
## 3. Fragenset-Tabellen anlegen
Für jedes Fragenset wird eine eigene Tabelle erstellt. Der Aufbau ist immer identisch.
### Schritt-für-Schritt
1. In der Datenbank `Quizalarm`**+ Add table**
2. Name = Name des Fragensets (z.B. `IT-Grundlagen`, `Erste Hilfe`, `Brandschutz`)
3. Lösche die automatisch erstellten Beispiel-Spalten
4. Erstelle folgende Felder:
| Nr. | Feldname | Feldtyp | Optionen / Hinweis |
|-----|-------------------|---------------------|------------------------------------------------------------|
| 1 | `Frage` | Long text | Der vollständige Fragetext |
| 2 | `Typ` | Single select | Optionen anlegen: `MC`, `Wahr/Falsch`, `Freitext` |
| 3 | `Bild` | File | Optional — Bild zur Frage hochladen |
| 4 | `Antwort A` | Single line text | Bei Wahr/Falsch: `Wahr` |
| 5 | `Antwort B` | Single line text | Bei Wahr/Falsch: `Falsch` |
| 6 | `Antwort C` | Single line text | Leer lassen bei Wahr/Falsch oder 2 Antworten |
| 7 | `Antwort D` | Single line text | Leer lassen bei weniger als 4 Antworten |
| 8 | `Richtige Antwort`| Single line text | Siehe Ausfüllregeln unten |
| 9 | `Kategorie` | Single select | Optional — z.B. `Geografie`, `Technik`, `Recht` |
1. **Table-ID notieren**: URL enthält `/database/TABLE_ID/...`
---
## 4. Ausfüllregeln für "Richtige Antwort"
| Fragetyp | Beispiel-Wert | Erklärung |
|------------------|----------------------|---------------------------------------------------|
| MC (1 richtig) | `A` | Nur der Buchstabe der richtigen Antwort |
| MC (mehrere) | `A,C` | Kommagetrennt, ohne Leerzeichen |
| Wahr/Falsch | `A` | `A` = Wahr, `B` = Falsch |
| Freitext | `Berlin` | Das erwartete Wort (Groß/Kleinschreibung egal) |
### Freitext-Toleranz
Die App normalisiert Eingaben automatisch:
- Groß/Kleinschreibung wird ignoriert
- Sonderzeichen (Bindestriche, Leerzeichen etc.) werden entfernt
- Umlaute werden umgewandelt (ä→ae, ö→oe, ü→ue, ß→ss)
**Beispiel:** Richtige Antwort = `Villingen-Schwenningen`
-`villingen schwenningen`
-`villingenschwenningen`
-`Villingen Schwenningen`
-`Villingen` (unvollständig)
-`Stuttgart` (falsch)
---
## 5. Beispielfragen
### MC mit 4 Antworten
| Frage | Typ | Antwort A | Antwort B | Antwort C | Antwort D | Richtige Antwort | Kategorie |
|-------|-----|-----------|-----------|-----------|-----------|-----------------|-----------|
| Wie heißt die Hauptstadt von Baden-Württemberg? | MC | Stuttgart | Karlsruhe | Freiburg | Mannheim | A | Geografie |
### MC mit mehreren richtigen Antworten
| Frage | Typ | Antwort A | Antwort B | Antwort C | Antwort D | Richtige Antwort | Kategorie |
|-------|-----|-----------|-----------|-----------|-----------|-----------------|-----------|
| Welche sind Programmiersprachen? | MC | Python | HTML | Java | Photoshop | A,C | IT |
### MC mit 3 Antworten
| Frage | Typ | Antwort A | Antwort B | Antwort C | Antwort D | Richtige Antwort | Kategorie |
|-------|-----|-----------|-----------|-----------|-----------|-----------------|-----------|
| Welche Farbe hat ein Stoppschild? | MC | Rot | Blau | Grün | *(leer)* | A | Verkehr |
### Wahr/Falsch
| Frage | Typ | Antwort A | Antwort B | Antwort C | Antwort D | Richtige Antwort | Kategorie |
|-------|-----|-----------|-----------|-----------|-----------|-----------------|-----------|
| Die Erde ist eine Scheibe. | Wahr/Falsch | Wahr | Falsch | *(leer)* | *(leer)* | B | Allgemein |
### Freitext
| Frage | Typ | Antwort A | Antwort B | Antwort C | Antwort D | Richtige Antwort | Kategorie |
|-------|-----|-----------|-----------|-----------|-----------|-----------------|-----------|
| Wie heißt die Hauptstadt von Frankreich? | Freitext | *(leer)* | *(leer)* | *(leer)* | *(leer)* | Paris | Geografie |
### Mit Bild
| Frage | Typ | Bild | Antwort A | Antwort B | Antwort C | Antwort D | Richtige Antwort | Kategorie |
|-------|-----|------|-----------|-----------|-----------|-----------|-----------------|-----------|
| Was zeigt dieses Verkehrszeichen? | MC | *(Bild hochladen)* | Vorfahrt | Stopp | Einbahnstraße | Parkverbot | B | Verkehr |
---
## 6. Checkliste
- [ ] Datenbank `Quizalarm` angelegt
- [ ] Tabelle `Antworten` mit allen 9 Feldern erstellt
- [ ] Mindestens 1 Fragenset-Tabelle mit allen 9 Feldern erstellt
- [ ] Testfragen eingetragen
- [ ] API-Token erstellt (Settings → API Tokens)
- [ ] Alle Table-IDs notiert
- [ ] Table-IDs im Admin-Panel unter `https://quizalarm.orfel.de/admin` hinterlegt
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FROM node:20-alpine
WORKDIR /app
COPY package*.json ./
RUN npm ci --production
COPY . .
EXPOSE 7849
CMD ["node", "server/index.js"]
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{
"name": "quizalarm",
"version": "1.0.0",
"description": "Hybrid-Quiz-Plattform mit Baserow-Backend",
"main": "server/index.js",
"scripts": {
"start": "node server/index.js"
},
"dependencies": {
"express": "^4.21.0",
"ws": "^8.18.0"
}
}
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Quizalarm — Admin</title>
<script src="https://unpkg.com/react@18/umd/react.production.min.js" crossorigin></script>
<script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js" crossorigin></script>
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-gray-100 text-gray-900 min-h-screen">
<div id="root"></div>
<script type="text/babel" src="/js/admin.js"></script>
</body>
</html>
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Quizalarm</title>
<script src="https://unpkg.com/react@18/umd/react.production.min.js" crossorigin></script>
<script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js" crossorigin></script>
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<script src="https://cdn.tailwindcss.com"></script>
<style>
body {
font-family: system-ui, -apple-system, sans-serif;
}
.answer-a {
background: #ef4444;
}
.answer-a:hover {
background: #dc2626;
}
.answer-b {
background: #3b82f6;
}
.answer-b:hover {
background: #2563eb;
}
.answer-c {
background: #f59e0b;
}
.answer-c:hover {
background: #d97706;
}
.answer-d {
background: #22c55e;
}
.answer-d:hover {
background: #16a34a;
}
.answer-a.selected,
.answer-b.selected,
.answer-c.selected,
.answer-d.selected {
outline: 4px solid white;
transform: scale(1.03);
}
.answer-a.disabled,
.answer-b.disabled,
.answer-c.disabled,
.answer-d.disabled {
opacity: 0.6;
cursor: not-allowed;
}
</style>
</head>
<body class="bg-gray-900 text-white min-h-screen">
<div id="root"></div>
<script type="text/babel" src="/js/app.js"></script>
</body>
</html>
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const { useState, useEffect, useRef, useCallback } = React;
const api = {
token: null,
async get(url) {
const r = await fetch(url, { headers: { 'X-Admin-Token': this.token } });
if (!r.ok) throw new Error((await r.json().catch(() => ({}))).error || r.statusText);
return r.json();
},
async post(url, data) {
const r = await fetch(url, { method: 'POST', headers: { 'Content-Type': 'application/json', 'X-Admin-Token': this.token }, body: JSON.stringify(data) });
if (!r.ok) throw new Error((await r.json().catch(() => ({}))).error || r.statusText);
return r.json();
},
};
function wsUrl() {
return `${location.protocol === 'https:' ? 'wss:' : 'ws:'}//${location.host}`;
}
/* ================================================================== */
/* Login */
/* ================================================================== */
function LoginPage({ onLogin }) {
const [pw, setPw] = useState('');
const [err, setErr] = useState('');
const submit = async () => {
try {
const res = await api.post('/api/admin/login', { password: pw });
api.token = res.token;
onLogin(res.token);
} catch (e) { setErr(e.message); }
};
return (
<div className="min-h-screen flex items-center justify-center bg-gray-100">
<div className="bg-white rounded-2xl shadow-lg p-8 w-full max-w-sm">
<h1 className="text-2xl font-bold mb-6 text-center">🔐 Admin-Login</h1>
<input type="password" className="w-full p-3 border rounded-lg mb-3 text-center" placeholder="Passwort" value={pw} onChange={(e) => setPw(e.target.value)} onKeyDown={(e) => e.key === 'Enter' && submit()} autoFocus />
{err && <p className="text-red-500 text-sm mb-3 text-center">{err}</p>}
<button onClick={submit} className="w-full py-3 bg-indigo-600 text-white rounded-lg font-bold hover:bg-indigo-700">Anmelden</button>
</div>
</div>
);
}
/* ================================================================== */
/* Config Page */
/* ================================================================== */
function ConfigPage({ config, setConfig, saveConfig }) {
const [newSetName, setNewSetName] = useState('');
const [newSetTableId, setNewSetTableId] = useState('');
const [msg, setMsg] = useState('');
const addSet = () => {
if (!newSetName || !newSetTableId) return;
const updated = {
...config,
sets: [...(config.sets || []), { id: Date.now().toString(36), name: newSetName, tableId: parseInt(newSetTableId) }],
};
setConfig(updated);
saveConfig(updated);
setNewSetName('');
setNewSetTableId('');
setMsg('Fragenset hinzugefügt');
setTimeout(() => setMsg(''), 2000);
};
const removeSet = (id) => {
const updated = { ...config, sets: config.sets.filter((s) => s.id !== id) };
setConfig(updated);
saveConfig(updated);
};
const updateAnswersTable = (val) => {
const updated = { ...config, answersTableId: val ? parseInt(val) : null };
setConfig(updated);
saveConfig(updated);
};
return (
<div className="space-y-6">
<div className="bg-white rounded-xl shadow p-6">
<h2 className="text-xl font-bold mb-4">📋 Fragensets</h2>
{(config.sets || []).map((s) => (
<div key={s.id} className="flex items-center justify-between py-2 border-b last:border-0">
<div><span className="font-semibold">{s.name}</span> <span className="text-gray-400 text-sm">(Table ID: {s.tableId})</span></div>
<button onClick={() => removeSet(s.id)} className="text-red-500 hover:text-red-700 text-sm">Entfernen</button>
</div>
))}
<div className="mt-4 flex gap-2 flex-wrap">
<input className="flex-1 min-w-0 p-2 border rounded-lg" placeholder="Name" value={newSetName} onChange={(e) => setNewSetName(e.target.value)} />
<input className="w-32 p-2 border rounded-lg" placeholder="Table ID" type="number" value={newSetTableId} onChange={(e) => setNewSetTableId(e.target.value)} />
<button onClick={addSet} className="px-4 py-2 bg-indigo-600 text-white rounded-lg font-bold hover:bg-indigo-700">+</button>
</div>
{msg && <p className="text-green-600 text-sm mt-2">{msg}</p>}
</div>
<div className="bg-white rounded-xl shadow p-6">
<h2 className="text-xl font-bold mb-4">💾 Antworten-Tabelle</h2>
<div className="flex gap-2 items-center">
<span className="text-gray-600">Table ID:</span>
<input className="w-32 p-2 border rounded-lg" type="number" value={config.answersTableId || ''} onChange={(e) => updateAnswersTable(e.target.value)} placeholder="Table ID" />
</div>
</div>
</div>
);
}
/* ================================================================== */
/* Stats Page */
/* ================================================================== */
function StatsPage() {
const [data, setData] = useState(null);
const [filter, setFilter] = useState('');
useEffect(() => {
api.get('/api/admin/stats').then(setData).catch(console.error);
}, []);
if (!data) return <p className="text-center py-8">Lade Statistiken...</p>;
if (!data.answers.length) return <p className="text-center py-8 text-gray-500">Noch keine Ergebnisse vorhanden.</p>;
// Group by session
const sessions = {};
data.answers.forEach((a) => {
const sid = a['Session_ID'] || 'Unbekannt';
if (!sessions[sid]) sessions[sid] = { modus: a['Modus'], fragenset: a['Fragenset'], date: a['Zeitstempel'], answers: [] };
sessions[sid].answers.push(a);
});
// Group by user
const users = {};
data.answers.forEach((a) => {
const u = a['Nutzername'] || 'Unbekannt';
if (!users[u]) users[u] = { total: 0, correct: 0, points: 0 };
users[u].total++;
if (a['Richtig']) users[u].correct++;
users[u].points += a['Punkte'] || 0;
});
return (
<div className="space-y-6">
<div className="bg-white rounded-xl shadow p-6">
<h2 className="text-xl font-bold mb-4">📊 Übersicht</h2>
<div className="grid grid-cols-3 gap-4 text-center">
<div className="bg-indigo-50 rounded-lg p-4">
<div className="text-2xl font-bold text-indigo-600">{Object.keys(sessions).length}</div>
<div className="text-sm text-gray-500">Sessions</div>
</div>
<div className="bg-emerald-50 rounded-lg p-4">
<div className="text-2xl font-bold text-emerald-600">{Object.keys(users).length}</div>
<div className="text-sm text-gray-500">Teilnehmer</div>
</div>
<div className="bg-amber-50 rounded-lg p-4">
<div className="text-2xl font-bold text-amber-600">{data.answers.length}</div>
<div className="text-sm text-gray-500">Antworten</div>
</div>
</div>
</div>
<div className="bg-white rounded-xl shadow p-6">
<h3 className="text-lg font-bold mb-3">👤 Pro Teilnehmer</h3>
<input className="w-full p-2 border rounded-lg mb-3" placeholder="Filtern..." value={filter} onChange={(e) => setFilter(e.target.value)} />
<div className="overflow-x-auto">
<table className="w-full text-sm">
<thead><tr className="border-b"><th className="text-left py-2">Name</th><th>Richtig</th><th>Gesamt</th><th>Quote</th><th>Punkte</th></tr></thead>
<tbody>
{Object.entries(users)
.filter(([u]) => !filter || u.toLowerCase().includes(filter.toLowerCase()))
.sort(([, a], [, b]) => b.points - a.points)
.map(([u, v]) => (
<tr key={u} className="border-b last:border-0">
<td className="py-2 font-medium">{u}</td>
<td className="text-center text-green-600">{v.correct}</td>
<td className="text-center">{v.total}</td>
<td className="text-center">{Math.round((v.correct / v.total) * 100)}%</td>
<td className="text-center font-bold">{v.points}</td>
</tr>
))}
</tbody>
</table>
</div>
</div>
<div className="bg-white rounded-xl shadow p-6">
<h3 className="text-lg font-bold mb-3">📁 Sessions</h3>
{Object.entries(sessions).reverse().map(([sid, s]) => {
const total = s.answers.length;
const correct = s.answers.filter((a) => a['Richtig']).length;
const uniqueUsers = new Set(s.answers.map((a) => a['Nutzername'])).size;
return (
<div key={sid} className="border-b last:border-0 py-3">
<div className="flex justify-between">
<span><span className={`text-xs px-2 py-0.5 rounded-full text-white ${s.modus === 'Live' ? 'bg-indigo-600' : 'bg-emerald-600'}`}>{s.modus}</span> <strong>{s.fragenset}</strong></span>
<span className="text-sm text-gray-400">{s.date ? new Date(s.date).toLocaleString('de') : ''}</span>
</div>
<div className="text-sm text-gray-500 mt-1">{uniqueUsers} Teilnehmer {correct}/{total} richtig gesamt</div>
</div>
);
})}
</div>
</div>
);
}
/* ================================================================== */
/* Live Setup Page */
/* ================================================================== */
function LiveSetupPage({ config, token, onSessionCreated }) {
const [setId, setSetId] = useState('');
const [shuffle, setShuffle] = useState(true);
const [scoring, setScoring] = useState('binary');
const [timeLimit, setTimeLimit] = useState(30);
const [error, setError] = useState('');
const [loading, setLoading] = useState(false);
const create = () => {
if (!setId) return setError('Bitte ein Fragenset waehlen');
setLoading(true);
setError('');
const ws = new WebSocket(wsUrl());
ws.onopen = () => {
ws.send(JSON.stringify({ type: 'admin-create', token, setId, options: { shuffle, scoring, timeLimit } }));
};
ws.onmessage = (e) => {
const msg = JSON.parse(e.data);
if (msg.type === 'session-created') {
onSessionCreated(msg.code, ws);
} else if (msg.type === 'error') {
setError(msg.message);
setLoading(false);
ws.close();
}
};
ws.onerror = () => { setError('WebSocket Fehler'); setLoading(false); };
};
return (
<div className="bg-white rounded-xl shadow p-6 max-w-md mx-auto">
<h2 className="text-xl font-bold mb-4">🎮 Live-Session erstellen</h2>
<div className="space-y-4">
<div>
<label className="block text-sm font-medium mb-1">Fragenset</label>
<select className="w-full p-3 border rounded-lg" value={setId} onChange={(e) => setSetId(e.target.value)}>
<option value=""> Bitte wählen </option>
{(config.sets || []).map((s) => <option key={s.id} value={s.id}>{s.name}</option>)}
</select>
</div>
<label className="flex items-center gap-2 cursor-pointer">
<input type="checkbox" checked={shuffle} onChange={() => setShuffle(!shuffle)} className="w-5 h-5 accent-indigo-600" />
Fragen mischen
</label>
<div>
<label className="block text-sm font-medium mb-1">Punktevergabe</label>
<select className="w-full p-3 border rounded-lg" value={scoring} onChange={(e) => setScoring(e.target.value)}>
<option value="binary">Binär (1000 / 0)</option>
<option value="time">Zeitbasiert (schneller = mehr Punkte)</option>
</select>
</div>
{scoring === 'time' && (
<div>
<label className="block text-sm font-medium mb-1">Sekunden pro Frage</label>
<input type="number" className="w-full p-3 border rounded-lg" value={timeLimit} onChange={(e) => setTimeLimit(parseInt(e.target.value) || 30)} min={5} max={120} />
</div>
)}
{error && <p className="text-red-500 text-sm">{error}</p>}
<button onClick={create} disabled={loading} className="w-full py-3 bg-indigo-600 text-white rounded-lg font-bold hover:bg-indigo-700 disabled:opacity-50">
{loading ? 'Erstelle...' : 'Session erstellen'}
</button>
</div>
</div>
);
}
/* ================================================================== */
/* Live Control Page */
/* ================================================================== */
function LiveControlPage({ token, code, ws }) {
const [session, setSession] = useState(null);
const [phase, setPhase] = useState('waiting');
const [answerCount, setAnswerCount] = useState(0);
const [result, setResult] = useState(null);
const [leaderboardData, setLeaderboardData] = useState([]);
useEffect(() => {
if (!ws) return;
const handler = (e) => {
const msg = JSON.parse(e.data);
switch (msg.type) {
case 'session-created':
setSession({ code: msg.code, setName: msg.setName, questionCount: msg.questionCount, options: msg.options });
break;
case 'admin-joined':
setSession(msg.session);
if (msg.session.status === 'waiting') setPhase('waiting');
else if (msg.session.status === 'ended') setPhase('ended');
else setPhase('active');
setLeaderboardData(msg.session.leaderboard);
break;
case 'player-joined':
case 'player-left':
setSession((s) => s ? { ...s, players: msg.players, playerCount: msg.playerCount } : s);
break;
case 'game-start':
setPhase('active');
break;
case 'question':
setPhase('question');
setAnswerCount(0);
setResult(null);
break;
case 'answer-count':
setAnswerCount(msg.count);
break;
case 'question-result':
setResult(msg);
setLeaderboardData(msg.leaderboard);
setPhase('result');
break;
case 'game-end':
setLeaderboardData(msg.leaderboard);
setPhase('ended');
break;
}
};
ws.addEventListener('message', handler);
return () => ws.removeEventListener('message', handler);
}, [ws]);
const start = () => ws.send(JSON.stringify({ type: 'admin-start', token, code }));
const next = () => ws.send(JSON.stringify({ type: 'admin-next', token, code }));
const end = () => ws.send(JSON.stringify({ type: 'admin-end', token, code }));
const showResult = () => {
// Force show result by telling server (same as next but for current question)
// We can reuse admin-next if status is 'active' → actually we need showResult
// For now, the master clicks "weiter" after everyone answered or time is up
};
const presentUrl = `${location.origin}/present#${code}`;
return (
<div className="space-y-4 max-w-lg mx-auto">
<div className="bg-white rounded-xl shadow p-6 text-center">
<h2 className="text-xl font-bold mb-2">Session-Code</h2>
<div className="text-5xl font-mono font-extrabold tracking-widest text-indigo-600 mb-2">{code}</div>
<p className="text-gray-400 text-sm">{session?.setName} {session?.questionCount || '?'} Fragen</p>
<a href={presentUrl} target="_blank" rel="noopener" className="inline-block mt-2 text-sm text-indigo-500 hover:underline">📺 Präsentations-Fenster öffnen</a>
</div>
<div className="bg-white rounded-xl shadow p-6">
<h3 className="font-bold mb-2">Teilnehmer ({session?.players?.length || 0})</h3>
<div className="flex flex-wrap gap-2">
{(session?.players || []).map((n) => <span key={n} className="px-3 py-1 bg-gray-100 rounded-full text-sm">{n}</span>)}
</div>
</div>
{phase === 'waiting' && (
<button onClick={start} disabled={!session?.players?.length} className="w-full py-4 bg-green-600 text-white rounded-xl text-xl font-bold hover:bg-green-700 disabled:opacity-50">
Quiz starten
</button>
)}
{phase === 'question' && (
<div className="bg-white rounded-xl shadow p-6 text-center">
<p className="text-lg mb-2">Antworten: <strong>{answerCount}</strong> / {session?.players?.length || 0}</p>
<button onClick={next} className="w-full py-3 bg-indigo-600 text-white rounded-xl font-bold hover:bg-indigo-700 mt-2">Ergebnis zeigen </button>
</div>
)}
{phase === 'result' && (
<div className="bg-white rounded-xl shadow p-6">
<h3 className="font-bold text-center mb-3">Ergebnis</h3>
{result?.stats && (
<div className="grid grid-cols-2 gap-2 mb-4">
{Object.entries(result.stats).map(([k, v]) => (
<div key={k} className={`p-2 rounded-lg text-white text-center ${k === 'A' ? 'bg-red-500' : k === 'B' ? 'bg-blue-500' : k === 'C' ? 'bg-amber-500' : 'bg-green-500'}`}>
{k}: <strong>{v}</strong>
</div>
))}
</div>
)}
<p className="text-center text-sm text-gray-400 mb-2">Richtig: {result?.correctAnswer?.join(', ')}</p>
<button onClick={next} className="w-full py-3 bg-indigo-600 text-white rounded-xl font-bold hover:bg-indigo-700">Nächste Frage </button>
</div>
)}
{phase === 'ended' && (
<div className="bg-white rounded-xl shadow p-6 text-center">
<h3 className="text-xl font-bold mb-4">🏁 Quiz beendet</h3>
</div>
)}
{leaderboardData.length > 0 && (
<div className="bg-white rounded-xl shadow p-6">
<h3 className="font-bold mb-2 text-center">🏆 Leaderboard</h3>
{leaderboardData.map((e) => (
<div key={e.name} className="flex justify-between py-2 px-3 bg-gray-50 rounded-lg mb-1">
<span>{e.rank}. {e.name}</span><span className="font-bold">{e.score}</span>
</div>
))}
</div>
)}
{phase !== 'ended' && phase !== 'waiting' && (
<button onClick={end} className="w-full py-3 bg-red-500 text-white rounded-xl font-bold hover:bg-red-600"> Session beenden</button>
)}
</div>
);
}
/* ================================================================== */
/* Admin App */
/* ================================================================== */
function AdminApp() {
const [token, setToken] = useState(null);
const [tab, setTab] = useState('config');
const [config, setConfig] = useState({ sets: [], answersTableId: null });
const [liveCode, setLiveCode] = useState(null);
const [liveWs, setLiveWs] = useState(null);
useEffect(() => {
if (token) {
api.token = token;
api.get('/api/admin/config').then(setConfig).catch(console.error);
}
}, [token]);
const saveConfig = async (c) => {
try { await api.post('/api/admin/config', c); } catch (e) { console.error(e); }
};
const handleSessionCreated = (code, ws) => {
setLiveCode(code);
setLiveWs(ws);
setTab('live-control');
};
if (!token) return <LoginPage onLogin={setToken} />;
const tabs = [
{ id: 'config', label: '⚙️ Konfiguration' },
{ id: 'live', label: '🎮 Live-Session' },
{ id: 'stats', label: '📊 Statistiken' },
];
if (liveCode) tabs.splice(2, 0, { id: 'live-control', label: '🎛️ Steuerung' });
return (
<div className="min-h-screen bg-gray-100">
<div className="bg-white shadow">
<div className="max-w-3xl mx-auto px-4 py-3 flex items-center justify-between">
<h1 className="text-xl font-bold"> Quizalarm Admin</h1>
<a href="/" className="text-gray-400 hover:text-gray-600 text-sm"> Zur App</a>
</div>
<div className="max-w-3xl mx-auto px-4 flex gap-1 overflow-x-auto">
{tabs.map((t) => (
<button key={t.id} onClick={() => setTab(t.id)} className={`px-4 py-2 text-sm font-medium rounded-t-lg whitespace-nowrap ${tab === t.id ? 'bg-gray-100 text-indigo-600 border-b-2 border-indigo-600' : 'text-gray-500 hover:text-gray-700'}`}>{t.label}</button>
))}
</div>
</div>
<div className="max-w-3xl mx-auto p-4">
{tab === 'config' && <ConfigPage config={config} setConfig={setConfig} saveConfig={saveConfig} />}
{tab === 'live' && <LiveSetupPage config={config} token={token} onSessionCreated={handleSessionCreated} />}
{tab === 'live-control' && <LiveControlPage token={token} code={liveCode} ws={liveWs} />}
{tab === 'stats' && <StatsPage />}
</div>
</div>
);
}
ReactDOM.createRoot(document.getElementById('root')).render(<AdminApp />);
+622
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@@ -0,0 +1,622 @@
const { useState, useEffect, useRef, useCallback } = React;
/* ================================================================== */
/* API Helper */
/* ================================================================== */
const api = {
async get(url) {
const r = await fetch(url);
if (!r.ok) throw new Error((await r.json().catch(() => ({}))).error || r.statusText);
return r.json();
},
async post(url, data) {
const r = await fetch(url, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(data) });
if (!r.ok) throw new Error((await r.json().catch(() => ({}))).error || r.statusText);
return r.json();
},
};
function wsUrl() {
return `${location.protocol === 'https:' ? 'wss:' : 'ws:'}//${location.host}`;
}
/* ================================================================== */
/* Shared Components */
/* ================================================================== */
function ImageModal({ src, onClose }) {
if (!src) return null;
return (
<div className="fixed inset-0 bg-black bg-opacity-80 flex items-center justify-center z-50 p-4" onClick={onClose}>
<img src={src} className="max-w-full max-h-full object-contain rounded-lg" alt="Vergrößerung" />
</div>
);
}
function Timer({ timeLeft, total }) {
if (!total) return null;
const pct = Math.max(0, (timeLeft / total) * 100);
const color = pct > 50 ? 'bg-green-500' : pct > 25 ? 'bg-yellow-500' : 'bg-red-500';
return (
<div className="w-full bg-gray-700 rounded-full h-4 mb-4 overflow-hidden">
<div className={`${color} h-full rounded-full transition-all duration-200`} style={{ width: `${pct}%` }} />
<div className="text-center text-sm mt-1">{Math.ceil(timeLeft)}s</div>
</div>
);
}
function Leaderboard({ entries, highlight, compact }) {
if (!entries || !entries.length) return null;
const show = compact ? entries.slice(0, 5) : entries;
return (
<div className="bg-gray-800 rounded-xl p-4 mt-4">
<h3 className="text-lg font-bold mb-2 text-center">🏆 Leaderboard</h3>
{show.map((e) => (
<div key={e.name} className={`flex justify-between py-2 px-3 rounded-lg mb-1 ${e.name === highlight ? 'bg-indigo-600' : 'bg-gray-700'}`}>
<span className="font-medium">{e.rank}. {e.name}</span>
<span className="font-bold">{e.score}</span>
</div>
))}
</div>
);
}
const ANSWER_COLORS = { A: 'answer-a', B: 'answer-b', C: 'answer-c', D: 'answer-d' };
function AnswerGrid({ question, selected, onToggle, disabled }) {
const typ = (question.typ || 'MC').toLowerCase();
const isWF = typ === 'wahr/falsch';
if (typ === 'freitext') {
return (
<input
type="text"
className="w-full p-4 rounded-xl bg-gray-700 text-white text-xl text-center border-2 border-gray-600 focus:border-indigo-500 outline-none"
placeholder="Deine Antwort..."
value={selected[0] || ''}
onChange={(e) => onToggle([e.target.value])}
disabled={disabled}
autoFocus
/>
);
}
return (
<div className={`grid gap-3 ${question.antworten.length <= 2 ? 'grid-cols-1 sm:grid-cols-2' : 'grid-cols-1 sm:grid-cols-2'}`}>
{question.antworten.map((a) => {
const active = selected.includes(a.key);
const cls = `${ANSWER_COLORS[a.key]} ${active ? 'selected' : ''} ${disabled ? 'disabled' : ''} text-white font-bold py-4 px-6 rounded-xl text-lg cursor-pointer transition-all text-center`;
return (
<button
key={a.key}
className={cls}
disabled={disabled}
onClick={() => {
if (disabled) return;
if (isWF) {
onToggle([a.key]);
} else {
onToggle(active ? selected.filter((s) => s !== a.key) : [...selected, a.key]);
}
}}
>
<span className="opacity-70 mr-2">{a.key}</span> {a.text}
</button>
);
})}
</div>
);
}
/* ================================================================== */
/* Home Page */
/* ================================================================== */
function HomePage({ navigate }) {
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<h1 className="text-5xl font-extrabold mb-2 text-transparent bg-clip-text bg-gradient-to-r from-indigo-400 to-pink-500"> Quizalarm</h1>
<p className="text-gray-400 mb-10 text-lg">Lernen. Quizzen. Wissen.</p>
<div className="w-full max-w-sm space-y-4">
<button onClick={() => navigate('join')} className="w-full py-4 bg-indigo-600 hover:bg-indigo-700 rounded-xl text-xl font-bold transition-all">🎮 Live-Quiz beitreten</button>
<button onClick={() => navigate('solo-select')} className="w-full py-4 bg-emerald-600 hover:bg-emerald-700 rounded-xl text-xl font-bold transition-all">📚 Solo-Lernen</button>
<button onClick={() => navigate('my-results')} className="w-full py-4 bg-gray-700 hover:bg-gray-600 rounded-xl text-xl font-bold transition-all">📊 Meine Ergebnisse</button>
</div>
<a href="/admin" className="mt-8 text-gray-500 hover:text-gray-300 text-sm">Admin-Bereich </a>
</div>
);
}
/* ================================================================== */
/* Join Page */
/* ================================================================== */
function JoinPage({ navigate }) {
const [code, setCode] = useState('');
const [name, setName] = useState('');
const [error, setError] = useState('');
const handleJoin = () => {
if (!code.trim() || !name.trim()) return setError('Code und Name erforderlich');
navigate('live-play', { code: code.trim().toUpperCase(), name: name.trim() });
};
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<h2 className="text-3xl font-bold mb-6">🎮 Live-Quiz beitreten</h2>
<div className="w-full max-w-sm space-y-4">
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center text-2xl tracking-widest border-2 border-gray-700 focus:border-indigo-500 outline-none uppercase" placeholder="CODE" value={code} onChange={(e) => setCode(e.target.value)} maxLength={6} />
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center text-xl border-2 border-gray-700 focus:border-indigo-500 outline-none" placeholder="Dein Name" value={name} onChange={(e) => setName(e.target.value)} maxLength={20} onKeyDown={(e) => e.key === 'Enter' && handleJoin()} />
{error && <p className="text-red-400 text-center">{error}</p>}
<button onClick={handleJoin} className="w-full py-4 bg-indigo-600 hover:bg-indigo-700 rounded-xl text-xl font-bold">Beitreten</button>
<button onClick={() => navigate('home')} className="w-full py-3 text-gray-400 hover:text-white"> Zurück</button>
</div>
</div>
);
}
/* ================================================================== */
/* Live Play Page */
/* ================================================================== */
function LivePlayPage({ params, navigate }) {
const [phase, setPhase] = useState('connecting');
const [session, setSession] = useState(null);
const [question, setQuestion] = useState(null);
const [qIndex, setQIndex] = useState(0);
const [qTotal, setQTotal] = useState(0);
const [timeLimit, setTimeLimit] = useState(0);
const [timeLeft, setTimeLeft] = useState(0);
const [selected, setSelected] = useState([]);
const [answered, setAnswered] = useState(false);
const [result, setResult] = useState(null);
const [leaderboardData, setLeaderboardData] = useState([]);
const [error, setError] = useState('');
const [enlargedImg, setEnlargedImg] = useState(null);
const wsRef = useRef(null);
const timerRef = useRef(null);
useEffect(() => {
const ws = new WebSocket(wsUrl());
wsRef.current = ws;
ws.onopen = () => {
ws.send(JSON.stringify({ type: 'join', code: params.code, name: params.name }));
};
ws.onmessage = (e) => {
const msg = JSON.parse(e.data);
switch (msg.type) {
case 'joined':
setSession(msg.session);
setPhase('waiting');
break;
case 'player-joined':
case 'player-left':
setSession((s) => s ? { ...s, players: msg.players, playerCount: msg.playerCount } : s);
break;
case 'game-start':
setQTotal(msg.totalQuestions);
setPhase('playing');
break;
case 'question':
setQuestion(msg.question);
setQIndex(msg.index);
setQTotal(msg.total);
setTimeLimit(msg.timeLimit);
setTimeLeft(msg.timeLimit);
setSelected([]);
setAnswered(false);
setResult(null);
setPhase('question');
break;
case 'answer-received':
setAnswered(true);
break;
case 'time-up':
setAnswered(true);
clearInterval(timerRef.current);
break;
case 'question-result':
setResult(msg);
setLeaderboardData(msg.leaderboard);
setPhase('result');
clearInterval(timerRef.current);
break;
case 'game-end':
setLeaderboardData(msg.leaderboard);
setPhase('final');
clearInterval(timerRef.current);
break;
case 'error':
setError(msg.message);
setPhase('error');
break;
}
};
ws.onclose = () => {
if (phase !== 'final' && phase !== 'error') setPhase('disconnected');
};
return () => { clearInterval(timerRef.current); ws.close(); };
}, []);
// Timer countdown
useEffect(() => {
clearInterval(timerRef.current);
if (phase === 'question' && timeLimit > 0 && !answered) {
const start = Date.now();
timerRef.current = setInterval(() => {
const elapsed = (Date.now() - start) / 1000;
const left = Math.max(0, timeLimit - elapsed);
setTimeLeft(left);
if (left <= 0) clearInterval(timerRef.current);
}, 100);
}
}, [phase, timeLimit, answered]);
const submitAnswer = () => {
if (answered || !wsRef.current) return;
wsRef.current.send(JSON.stringify({ type: 'answer', answers: selected }));
setAnswered(true);
};
if (phase === 'error') return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<p className="text-red-400 text-xl mb-4"> {error}</p>
<button onClick={() => navigate('join')} className="py-3 px-6 bg-gray-700 rounded-xl">Zurück</button>
</div>
);
if (phase === 'disconnected') return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<p className="text-yellow-400 text-xl mb-4">Verbindung verloren...</p>
<button onClick={() => navigate('join')} className="py-3 px-6 bg-gray-700 rounded-xl">Erneut beitreten</button>
</div>
);
if (phase === 'connecting') return <div className="min-h-screen flex items-center justify-center"><p className="text-xl animate-pulse">Verbinde...</p></div>;
if (phase === 'waiting') return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<h2 className="text-3xl font-bold mb-2"> Warteraum</h2>
<p className="text-gray-400 mb-4">{session?.setName}</p>
<p className="text-lg mb-4">{session?.playerCount || 0} Teilnehmer</p>
<div className="flex flex-wrap gap-2 justify-center max-w-md">
{(session?.players || []).map((n) => (
<span key={n} className={`px-3 py-1 rounded-full text-sm ${n === params.name ? 'bg-indigo-600' : 'bg-gray-700'}`}>{n}</span>
))}
</div>
<p className="mt-6 text-gray-500 animate-pulse">Warte auf den Start...</p>
</div>
);
if (phase === 'question') return (
<div className="min-h-screen flex flex-col p-4 max-w-2xl mx-auto">
<div className="text-center text-sm text-gray-400 mb-2">Frage {qIndex + 1} / {qTotal}</div>
{timeLimit > 0 && <Timer timeLeft={timeLeft} total={timeLimit} />}
<h2 className="text-xl font-bold mb-4 text-center">{question?.frage}</h2>
{question?.bild && <img src={question.bild} className="max-h-48 mx-auto rounded-lg mb-4 cursor-pointer" alt="" onClick={() => setEnlargedImg(question.bild)} />}
<AnswerGrid question={question} selected={selected} onToggle={setSelected} disabled={answered} />
{!answered && (
<button onClick={submitAnswer} disabled={selected.length === 0} className="mt-4 py-3 bg-indigo-600 hover:bg-indigo-700 disabled:opacity-40 rounded-xl text-lg font-bold w-full">Antwort senden</button>
)}
{answered && <p className="mt-4 text-center text-green-400 animate-pulse"> Antwort gesendet warte auf Ergebnis...</p>}
<ImageModal src={enlargedImg} onClose={() => setEnlargedImg(null)} />
</div>
);
if (phase === 'result') return (
<div className="min-h-screen flex flex-col items-center p-4 max-w-md mx-auto">
<div className={`text-4xl mb-4 ${result?.yourResult?.correct ? 'text-green-400' : 'text-red-400'}`}>
{result?.yourResult?.correct ? '✅ Richtig!' : '❌ Falsch'}
</div>
<p className="text-2xl font-bold mb-1">+{result?.yourResult?.points || 0} Punkte</p>
<p className="text-gray-400 mb-4">Gesamt: {result?.yourResult?.totalScore || 0}</p>
{result?.correctAnswer && (
<p className="bg-gray-800 py-2 px-4 rounded-lg mb-4">Richtige Antwort: <strong>{result.correctAnswer.join(', ')}</strong></p>
)}
<Leaderboard entries={leaderboardData} highlight={params.name} compact />
<p className="mt-4 text-gray-500 animate-pulse">Warte auf nächste Frage...</p>
</div>
);
if (phase === 'final') return (
<div className="min-h-screen flex flex-col items-center justify-center p-4">
<h2 className="text-3xl font-bold mb-6">🏁 Quiz beendet!</h2>
<Leaderboard entries={leaderboardData} highlight={params.name} />
<button onClick={() => navigate('home')} className="mt-6 py-3 px-6 bg-gray-700 hover:bg-gray-600 rounded-xl">Zur Startseite</button>
</div>
);
return null;
}
/* ================================================================== */
/* Solo Select Page */
/* ================================================================== */
function SoloSelectPage({ navigate }) {
const [sets, setSets] = useState([]);
const [name, setName] = useState('');
const [shuffle, setShuffle] = useState(true);
const [error, setError] = useState('');
useEffect(() => {
api.get('/api/sets').then(setSets).catch((e) => setError(e.message));
}, []);
const start = (setId, setName2) => {
if (!name.trim()) return setError('Bitte Name eingeben');
navigate('solo-quiz', { setId, setName: setName2, name: name.trim(), shuffle });
};
return (
<div className="min-h-screen flex flex-col items-center p-6 pt-12">
<h2 className="text-3xl font-bold mb-6">📚 Solo-Lernen</h2>
<div className="w-full max-w-md space-y-4">
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center text-xl border-2 border-gray-700 focus:border-emerald-500 outline-none" placeholder="Dein Name" value={name} onChange={(e) => setName(e.target.value)} />
<label className="flex items-center gap-3 text-gray-300 cursor-pointer">
<input type="checkbox" checked={shuffle} onChange={() => setShuffle(!shuffle)} className="w-5 h-5 accent-emerald-500" />
Fragen mischen
</label>
{error && <p className="text-red-400">{error}</p>}
<h3 className="text-lg font-semibold mt-4">Fragenset wählen:</h3>
{sets.length === 0 && <p className="text-gray-500">Keine Fragensets konfiguriert.</p>}
{sets.map((s) => (
<button key={s.id} onClick={() => start(s.id, s.name)} className="w-full py-4 bg-emerald-700 hover:bg-emerald-600 rounded-xl text-lg font-bold transition-all">{s.name}</button>
))}
<button onClick={() => navigate('home')} className="w-full py-3 text-gray-400 hover:text-white"> Zurück</button>
</div>
</div>
);
}
/* ================================================================== */
/* Solo Quiz Page */
/* ================================================================== */
function SoloQuizPage({ params, navigate }) {
const [questions, setQuestions] = useState([]);
const [index, setIndex] = useState(0);
const [selected, setSelected] = useState([]);
const [showFeedback, setShowFeedback] = useState(false);
const [isCorrect, setIsCorrect] = useState(false);
const [correctAnswer, setCorrectAnswer] = useState([]);
const [results, setResults] = useState([]);
const [error, setError] = useState('');
const [enlargedImg, setEnlargedImg] = useState(null);
const sessionId = useRef('SOLO-' + Date.now().toString(36).toUpperCase());
useEffect(() => {
api.get(`/api/sets/${params.setId}/questions`).then((qs) => {
if (params.shuffle) {
for (let i = qs.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[qs[i], qs[j]] = [qs[j], qs[i]];
}
}
setQuestions(qs);
}).catch((e) => setError(e.message));
}, []);
if (error) return <div className="min-h-screen flex items-center justify-center text-red-400 text-xl">{error}</div>;
if (!questions.length) return <div className="min-h-screen flex items-center justify-center animate-pulse text-xl">Lade Fragen...</div>;
const q = questions[index];
const typ = (q['Typ'] || 'MC').toLowerCase();
const sanitized = {
frage: q['Frage'],
typ: q['Typ'] || 'MC',
bild: q['Bild'] && q['Bild'].length ? q['Bild'][0].url : null,
antworten: [],
};
['A', 'B', 'C', 'D'].forEach((k) => { if (q[`Antwort ${k}`]) sanitized.antworten.push({ key: k, text: q[`Antwort ${k}`] }); });
const checkAnswer = () => {
const rawCorrect = (q['Richtige Antwort'] || '').trim();
let correct, ok;
if (typ === 'freitext') {
correct = [rawCorrect];
// Normalize comparison
const normalize = (t) => (t || '').toLowerCase().replace(/[^a-zäöüß0-9]/g, '').replace(/[ä]/g, 'ae').replace(/[ö]/g, 'oe').replace(/[ü]/g, 'ue').replace(/ß/g, 'ss');
ok = normalize(selected[0]) === normalize(rawCorrect);
} else {
correct = rawCorrect.split(',').map((s) => s.trim().toUpperCase()).filter(Boolean);
const correctSet = new Set(correct);
const selectedSet = new Set(selected.map((s) => s.toUpperCase()));
ok = correct.length === selectedSet.size && correct.every((c) => selectedSet.has(c));
}
setCorrectAnswer(correct);
setIsCorrect(ok);
setShowFeedback(true);
results.push({
Nutzername: params.name,
Frage_ID: q.id,
Fragenset: params.setName,
Antwort: selected.join(','),
Richtig: ok,
Punkte: ok ? 1000 : 0,
Session_ID: sessionId.current,
Modus: 'Solo',
Zeitstempel: new Date().toISOString(),
});
};
const nextQuestion = () => {
if (index + 1 >= questions.length) {
// Save all results, then navigate
api.post('/api/results', { answers: results }).catch(console.error);
navigate('solo-result', { results, setName: params.setName, name: params.name, questions });
return;
}
setIndex(index + 1);
setSelected([]);
setShowFeedback(false);
};
return (
<div className="min-h-screen flex flex-col p-4 max-w-2xl mx-auto">
<div className="text-center text-sm text-gray-400 mb-2">Frage {index + 1} / {questions.length}</div>
<div className="w-full bg-gray-700 rounded-full h-2 mb-4">
<div className="bg-emerald-500 h-full rounded-full transition-all" style={{ width: `${((index + 1) / questions.length) * 100}%` }} />
</div>
<h2 className="text-xl font-bold mb-4 text-center">{sanitized.frage}</h2>
{sanitized.bild && <img src={sanitized.bild} className="max-h-48 mx-auto rounded-lg mb-4 cursor-pointer" alt="" onClick={() => setEnlargedImg(sanitized.bild)} />}
<AnswerGrid question={sanitized} selected={selected} onToggle={setSelected} disabled={showFeedback} />
{!showFeedback && (
<button onClick={checkAnswer} disabled={selected.length === 0} className="mt-4 py-3 bg-emerald-600 hover:bg-emerald-700 disabled:opacity-40 rounded-xl text-lg font-bold w-full">Prüfen</button>
)}
{showFeedback && (
<div className="mt-4 text-center space-y-3">
<div className={`text-2xl font-bold ${isCorrect ? 'text-green-400' : 'text-red-400'}`}>
{isCorrect ? '✅ Richtig!' : '❌ Falsch'}
</div>
{!isCorrect && <p className="bg-gray-800 py-2 px-4 rounded-lg inline-block">Richtig: <strong>{correctAnswer.join(', ')}</strong></p>}
<button onClick={nextQuestion} className="w-full py-3 bg-indigo-600 hover:bg-indigo-700 rounded-xl text-lg font-bold">
{index + 1 >= questions.length ? 'Ergebnis anzeigen' : 'Nächste Frage →'}
</button>
</div>
)}
<ImageModal src={enlargedImg} onClose={() => setEnlargedImg(null)} />
</div>
);
}
/* ================================================================== */
/* Solo Result Page */
/* ================================================================== */
function SoloResultPage({ params, navigate }) {
const { results, setName, name, questions } = params;
const total = results.length;
const correct = results.filter((r) => r.Richtig).length;
const pct = total > 0 ? Math.round((correct / total) * 100) : 0;
// Group by category
const byCategory = {};
results.forEach((r, i) => {
const q = questions[i];
const cat = q?.['Kategorie'] || 'Ohne Kategorie';
if (!byCategory[cat]) byCategory[cat] = { total: 0, correct: 0 };
byCategory[cat].total++;
if (r.Richtig) byCategory[cat].correct++;
});
return (
<div className="min-h-screen flex flex-col items-center p-6 pt-12">
<h2 className="text-3xl font-bold mb-2">📊 Ergebnis</h2>
<p className="text-gray-400 mb-4">{setName} {name}</p>
<div className={`text-6xl font-extrabold mb-2 ${pct >= 70 ? 'text-green-400' : pct >= 40 ? 'text-yellow-400' : 'text-red-400'}`}>{pct}%</div>
<p className="text-xl mb-6">{correct} / {total} richtig</p>
{Object.keys(byCategory).length > 1 && (
<div className="w-full max-w-md bg-gray-800 rounded-xl p-4 mb-4">
<h3 className="font-bold mb-2">Nach Kategorie:</h3>
{Object.entries(byCategory).map(([cat, v]) => (
<div key={cat} className="flex justify-between py-1 border-b border-gray-700 last:border-0">
<span>{cat}</span>
<span className={v.correct / v.total >= 0.7 ? 'text-green-400' : 'text-red-400'}>{v.correct}/{v.total}</span>
</div>
))}
</div>
)}
<div className="w-full max-w-md space-y-3">
<button onClick={() => navigate('solo-select')} className="w-full py-3 bg-emerald-600 hover:bg-emerald-700 rounded-xl font-bold">Nochmal spielen</button>
<button onClick={() => navigate('home')} className="w-full py-3 bg-gray-700 hover:bg-gray-600 rounded-xl font-bold">Zur Startseite</button>
</div>
</div>
);
}
/* ================================================================== */
/* My Results Page */
/* ================================================================== */
function MyResultsPage({ navigate }) {
const [name, setName] = useState('');
const [results, setResults] = useState(null);
const [error, setError] = useState('');
const search = () => {
if (!name.trim()) return;
setError('');
api.get(`/api/results/${encodeURIComponent(name.trim())}`)
.then(setResults)
.catch((e) => setError(e.message));
};
// Group by session
const sessions = {};
if (results) {
results.forEach((r) => {
const sid = r['Session_ID'] || 'Unbekannt';
if (!sessions[sid]) sessions[sid] = { modus: r['Modus'], fragenset: r['Fragenset'], date: r['Zeitstempel'], answers: [] };
sessions[sid].answers.push(r);
});
}
return (
<div className="min-h-screen flex flex-col items-center p-6 pt-12">
<h2 className="text-3xl font-bold mb-6">📊 Meine Ergebnisse</h2>
<div className="w-full max-w-md space-y-3">
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center border-2 border-gray-700 focus:border-indigo-500 outline-none" placeholder="Dein Name" value={name} onChange={(e) => setName(e.target.value)} onKeyDown={(e) => e.key === 'Enter' && search()} />
<button onClick={search} className="w-full py-3 bg-indigo-600 hover:bg-indigo-700 rounded-xl font-bold">Suchen</button>
{error && <p className="text-red-400 text-center">{error}</p>}
</div>
{results && results.length === 0 && <p className="mt-4 text-gray-500">Keine Ergebnisse gefunden.</p>}
{results && results.length > 0 && (
<div className="w-full max-w-md mt-6 space-y-4">
{Object.entries(sessions).reverse().map(([sid, s]) => {
const total = s.answers.length;
const correct = s.answers.filter((a) => a['Richtig']).length;
const points = s.answers.reduce((sum, a) => sum + (a['Punkte'] || 0), 0);
return (
<div key={sid} className="bg-gray-800 rounded-xl p-4">
<div className="flex justify-between items-start mb-2">
<div>
<span className={`text-xs px-2 py-0.5 rounded-full ${s.modus === 'Live' ? 'bg-indigo-600' : 'bg-emerald-600'}`}>{s.modus}</span>
<span className="ml-2 font-semibold">{s.fragenset}</span>
</div>
<span className="text-sm text-gray-400">{s.date ? new Date(s.date).toLocaleDateString('de') : ''}</span>
</div>
<p>{correct}/{total} richtig {points} Punkte</p>
</div>
);
})}
</div>
)}
<button onClick={() => navigate('home')} className="mt-6 py-3 px-6 text-gray-400 hover:text-white"> Zurück</button>
</div>
);
}
/* ================================================================== */
/* App Router */
/* ================================================================== */
function App() {
const [page, setPage] = useState('home');
const [params, setParams] = useState({});
const navigate = useCallback((p, par = {}) => {
setPage(p);
setParams(par);
window.scrollTo(0, 0);
}, []);
switch (page) {
case 'home': return <HomePage navigate={navigate} />;
case 'join': return <JoinPage navigate={navigate} />;
case 'live-play': return <LivePlayPage params={params} navigate={navigate} />;
case 'solo-select': return <SoloSelectPage navigate={navigate} />;
case 'solo-quiz': return <SoloQuizPage params={params} navigate={navigate} />;
case 'solo-result': return <SoloResultPage params={params} navigate={navigate} />;
case 'my-results': return <MyResultsPage navigate={navigate} />;
default: return <HomePage navigate={navigate} />;
}
}
ReactDOM.createRoot(document.getElementById('root')).render(<App />);
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const { useState, useEffect, useRef } = React;
function wsUrl() {
return `${location.protocol === 'https:' ? 'wss:' : 'ws:'}//${location.host}`;
}
const COLORS = { A: 'answer-a', B: 'answer-b', C: 'answer-c', D: 'answer-d' };
function PresentApp() {
const [phase, setPhase] = useState('connect');
const [session, setSession] = useState(null);
const [question, setQuestion] = useState(null);
const [qIndex, setQIndex] = useState(0);
const [qTotal, setQTotal] = useState(0);
const [timeLimit, setTimeLimit] = useState(0);
const [timeLeft, setTimeLeft] = useState(0);
const [answerCount, setAnswerCount] = useState(0);
const [result, setResult] = useState(null);
const [leaderboard, setLeaderboard] = useState([]);
const timerRef = useRef(null);
const wsRef = useRef(null);
useEffect(() => {
const code = location.hash.replace('#', '');
const token = prompt_alternative();
if (!code || !token) {
setPhase('need-config');
return;
}
const ws = new WebSocket(wsUrl());
wsRef.current = ws;
ws.onopen = () => {
ws.send(JSON.stringify({ type: 'present-join', token, code }));
};
ws.onmessage = (e) => {
const msg = JSON.parse(e.data);
switch (msg.type) {
case 'present-joined':
setSession(msg.session);
setLeaderboard(msg.session.leaderboard || []);
setPhase('waiting');
break;
case 'player-joined':
case 'player-left':
setSession((s) => s ? { ...s, players: msg.players, playerCount: msg.playerCount } : s);
break;
case 'game-start':
setQTotal(msg.totalQuestions);
break;
case 'question':
setQuestion(msg.question);
setQIndex(msg.index);
setQTotal(msg.total);
setTimeLimit(msg.timeLimit);
setTimeLeft(msg.timeLimit);
setAnswerCount(0);
setResult(null);
setPhase('question');
break;
case 'answer-count':
setAnswerCount(msg.count);
break;
case 'time-up':
clearInterval(timerRef.current);
break;
case 'question-result':
setResult(msg);
setLeaderboard(msg.leaderboard);
setPhase('result');
clearInterval(timerRef.current);
break;
case 'game-end':
setLeaderboard(msg.leaderboard);
setPhase('final');
clearInterval(timerRef.current);
break;
case 'error':
setPhase('error');
break;
}
};
return () => ws.close();
}, []);
// Timer
useEffect(() => {
clearInterval(timerRef.current);
if (phase === 'question' && timeLimit > 0) {
const start = Date.now();
timerRef.current = setInterval(() => {
setTimeLeft(Math.max(0, timeLimit - (Date.now() - start) / 1000));
}, 100);
}
}, [phase, timeLimit]);
// Simple token retrieval (read from URL param or sessionStorage)
function prompt_alternative() {
const params = new URLSearchParams(location.search);
let t = params.get('token');
if (!t) {
try { t = sessionStorage.getItem('qa_token'); } catch (e) { }
}
return t;
}
if (phase === 'need-config') {
return (
<div className="min-h-screen flex flex-col items-center justify-center p-8">
<h1 className="text-3xl font-bold mb-4">📺 Präsentation</h1>
<p className="text-gray-400 mb-4">Öffne diesen Link aus dem Admin-Panel oder füge <code>?token=PASSWORT#CODE</code> zur URL hinzu.</p>
</div>
);
}
if (phase === 'error') return <div className="min-h-screen flex items-center justify-center text-red-400 text-3xl">Verbindungsfehler</div>;
if (phase === 'waiting') return (
<div className="min-h-screen flex flex-col items-center justify-center p-8">
<h1 className="text-4xl font-extrabold mb-4 text-transparent bg-clip-text bg-gradient-to-r from-indigo-400 to-pink-500"> Quizalarm</h1>
<p className="text-gray-400 text-xl mb-6">{session?.setName}</p>
<div className="text-8xl font-mono font-extrabold tracking-widest text-indigo-400 mb-8">{session?.code}</div>
<p className="text-2xl mb-4">{session?.players?.length || 0} Teilnehmer</p>
<div className="flex flex-wrap gap-3 justify-center max-w-2xl">
{(session?.players || []).map((n) => (
<span key={n} className="px-4 py-2 bg-gray-800 rounded-full text-lg">{n}</span>
))}
</div>
</div>
);
if (phase === 'question') {
const pct = timeLimit > 0 ? (timeLeft / timeLimit) * 100 : 100;
const barColor = pct > 50 ? 'bg-green-500' : pct > 25 ? 'bg-yellow-500' : 'bg-red-500';
return (
<div className="min-h-screen flex flex-col p-8">
<div className="flex justify-between items-center mb-4">
<span className="text-gray-400 text-xl">Frage {qIndex + 1} / {qTotal}</span>
<span className="text-xl">{answerCount} / {session?.players?.length || 0} 💬</span>
{timeLimit > 0 && <span className="text-3xl font-bold">{Math.ceil(timeLeft)}s</span>}
</div>
{timeLimit > 0 && (
<div className="w-full bg-gray-700 rounded-full h-3 mb-6 overflow-hidden">
<div className={`${barColor} h-full rounded-full transition-all duration-200`} style={{ width: `${pct}%` }} />
</div>
)}
<h2 className="text-4xl font-bold text-center mb-8 flex-shrink-0">{question?.frage}</h2>
{question?.bild && <img src={question.bild} className="max-h-64 mx-auto rounded-xl mb-8" alt="" />}
{question?.typ?.toLowerCase() !== 'freitext' && (
<div className="grid grid-cols-2 gap-4 flex-1 max-h-96">
{(question?.antworten || []).map((a) => (
<div key={a.key} className={`${COLORS[a.key]} rounded-2xl flex items-center justify-center p-6 text-2xl font-bold`}>
<span className="opacity-60 mr-3 text-3xl">{a.key}</span> {a.text}
</div>
))}
</div>
)}
{question?.typ?.toLowerCase() === 'freitext' && (
<div className="text-center text-2xl text-gray-400"> Freitext-Antwort</div>
)}
</div>
);
}
if (phase === 'result') {
const maxStat = Math.max(1, ...Object.values(result?.stats || {}));
return (
<div className="min-h-screen flex flex-col p-8">
<h2 className="text-3xl font-bold text-center mb-2">Ergebnis</h2>
<p className="text-center text-xl text-green-400 mb-6">Richtig: {result?.correctAnswer?.join(', ')}</p>
<div className="flex gap-4 justify-center items-end mb-8 h-48">
{Object.entries(result?.stats || {}).map(([k, v]) => (
<div key={k} className="flex flex-col items-center flex-1 max-w-32">
<span className="text-xl font-bold mb-1">{v}</span>
<div className={`${COLORS[k]} w-full rounded-t-lg transition-all`} style={{ height: `${(v / maxStat) * 150}px`, minHeight: '8px' }} />
<span className="text-lg font-bold mt-1">{k}</span>
</div>
))}
</div>
<div className="flex-1">
<h3 className="text-2xl font-bold text-center mb-4">🏆 Leaderboard</h3>
<div className="max-w-xl mx-auto">
{leaderboard.slice(0, 8).map((e, i) => (
<div key={e.name} className={`flex justify-between py-3 px-5 rounded-xl mb-2 text-xl ${i === 0 ? 'bg-yellow-600' : i === 1 ? 'bg-gray-500' : i === 2 ? 'bg-amber-700' : 'bg-gray-800'}`}>
<span className="font-bold">{e.rank}. {e.name}</span>
<span className="font-extrabold">{e.score}</span>
</div>
))}
</div>
</div>
</div>
);
}
if (phase === 'final') return (
<div className="min-h-screen flex flex-col items-center justify-center p-8">
<h2 className="text-5xl font-extrabold mb-8">🏁 Quiz beendet!</h2>
<div className="w-full max-w-xl">
{leaderboard.map((e, i) => (
<div key={e.name} className={`flex justify-between py-4 px-6 rounded-xl mb-2 text-2xl ${i === 0 ? 'bg-yellow-600' : i === 1 ? 'bg-gray-500' : i === 2 ? 'bg-amber-700' : 'bg-gray-800'}`}>
<span className="font-bold">{i === 0 ? '🥇' : i === 1 ? '🥈' : i === 2 ? '🥉' : `${e.rank}.`} {e.name}</span>
<span className="font-extrabold">{e.score}</span>
</div>
))}
</div>
</div>
);
return <div className="min-h-screen flex items-center justify-center animate-pulse text-2xl">Verbinde...</div>;
}
ReactDOM.createRoot(document.getElementById('root')).render(<PresentApp />);
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Quizalarm — Präsentation</title>
<script src="https://unpkg.com/react@18/umd/react.production.min.js" crossorigin></script>
<script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js" crossorigin></script>
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<script src="https://cdn.tailwindcss.com"></script>
<style>
body {
font-family: system-ui, -apple-system, sans-serif;
}
.answer-a {
background: #ef4444;
}
.answer-b {
background: #3b82f6;
}
.answer-c {
background: #f59e0b;
}
.answer-d {
background: #22c55e;
}
</style>
</head>
<body class="bg-gray-900 text-white min-h-screen">
<div id="root"></div>
<script type="text/babel" src="/js/present.js"></script>
</body>
</html>
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const { getEnvConfig } = require('./config');
async function baserowFetch(endpoint, options = {}) {
const { baserowUrl, baserowToken } = getEnvConfig();
const url = `${baserowUrl}/api${endpoint}`;
const res = await fetch(url, {
...options,
headers: {
Authorization: `Token ${baserowToken}`,
'Content-Type': 'application/json',
...(options.headers || {}),
},
});
if (!res.ok) {
const body = await res.text().catch(() => '');
throw new Error(`Baserow ${res.status}: ${body.substring(0, 200)}`);
}
return res.json();
}
async function listRows(tableId, filters = {}) {
let all = [];
let page = 1;
while (true) {
let url = `/database/rows/table/${tableId}/?user_field_names=true&size=200&page=${page}`;
for (const [field, value] of Object.entries(filters)) {
url += `&filter__${encodeURIComponent(field)}__equal=${encodeURIComponent(value)}`;
}
const data = await baserowFetch(url);
all = all.concat(data.results || []);
if (!data.next) break;
page++;
}
return all;
}
async function batchCreateRows(tableId, rows) {
if (!rows.length) return;
// Baserow limit: 200 per batch
for (let i = 0; i < rows.length; i += 200) {
const chunk = rows.slice(i, i + 200);
await baserowFetch(`/database/rows/table/${tableId}/batch/?user_field_names=true`, {
method: 'POST',
body: JSON.stringify({ items: chunk }),
});
}
}
module.exports = { listRows, batchCreateRows };
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const fs = require('fs');
const path = require('path');
const CONFIG_PATH = process.env.CONFIG_PATH || '/data/config.json';
function getEnvConfig() {
return {
adminPassword: process.env.ADMIN_PASSWORD || 'admin',
baserowUrl: (process.env.BASEROW_URL || 'http://baserow:80').replace(/\/+$/, ''),
baserowToken: process.env.BASEROW_TOKEN || '',
port: parseInt(process.env.PORT || '7849', 10),
};
}
function readConfig() {
const defaults = { sets: [], answersTableId: null };
try {
if (fs.existsSync(CONFIG_PATH)) {
return { ...defaults, ...JSON.parse(fs.readFileSync(CONFIG_PATH, 'utf8')) };
}
} catch (e) {
console.error('[config] Fehler beim Lesen:', e.message);
}
return defaults;
}
function writeConfig(data) {
const dir = path.dirname(CONFIG_PATH);
if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
fs.writeFileSync(CONFIG_PATH, JSON.stringify(data, null, 2), 'utf8');
}
module.exports = { getEnvConfig, readConfig, writeConfig };
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const express = require('express');
const http = require('http');
const path = require('path');
const { getEnvConfig, readConfig, writeConfig } = require('./config');
const { listRows, batchCreateRows } = require('./baserow');
const { setupWebSocket, getSessions } = require('./live-session');
const app = express();
const server = http.createServer(app);
app.use(express.json({ limit: '5mb' }));
app.use(express.static(path.join(__dirname, '..', 'public')));
/* ---- Auth middleware ---- */
function requireAdmin(req, res, next) {
if (req.headers['x-admin-token'] !== getEnvConfig().adminPassword) {
return res.status(401).json({ error: 'Nicht autorisiert' });
}
next();
}
/* ============================================================ */
/* Public API */
/* ============================================================ */
app.get('/api/sets', (req, res) => {
const config = readConfig();
res.json(config.sets.map((s) => ({ id: s.id, name: s.name })));
});
app.get('/api/sets/:id/questions', async (req, res) => {
try {
const config = readConfig();
const set = config.sets.find((s) => s.id === req.params.id);
if (!set) return res.status(404).json({ error: 'Nicht gefunden' });
const rows = await listRows(set.tableId);
res.json(rows);
} catch (e) {
res.status(500).json({ error: e.message });
}
});
app.post('/api/results', async (req, res) => {
try {
const config = readConfig();
if (!config.answersTableId) return res.status(400).json({ error: 'Antworten-Tabelle nicht konfiguriert' });
await batchCreateRows(config.answersTableId, req.body.answers);
res.json({ success: true });
} catch (e) {
res.status(500).json({ error: e.message });
}
});
app.get('/api/results/:name', async (req, res) => {
try {
const config = readConfig();
if (!config.answersTableId) return res.json([]);
const rows = await listRows(config.answersTableId, { Nutzername: req.params.name });
res.json(rows);
} catch (e) {
res.status(500).json({ error: e.message });
}
});
/* ============================================================ */
/* Admin API */
/* ============================================================ */
app.post('/api/admin/login', (req, res) => {
if (req.body.password === getEnvConfig().adminPassword) {
res.json({ success: true, token: getEnvConfig().adminPassword });
} else {
res.status(401).json({ error: 'Falsches Passwort' });
}
});
app.get('/api/admin/config', requireAdmin, (req, res) => res.json(readConfig()));
app.post('/api/admin/config', requireAdmin, (req, res) => {
try {
writeConfig(req.body);
res.json({ success: true });
} catch (e) {
res.status(500).json({ error: e.message });
}
});
app.get('/api/admin/sessions', requireAdmin, (req, res) => res.json(getSessions()));
app.get('/api/admin/stats', requireAdmin, async (req, res) => {
try {
const config = readConfig();
if (!config.answersTableId) return res.json({ answers: [] });
const rows = await listRows(config.answersTableId);
res.json({ answers: rows });
} catch (e) {
res.status(500).json({ error: e.message });
}
});
/* ---- SPA routes ---- */
app.get('/admin', (req, res) => res.sendFile(path.join(__dirname, '..', 'public', 'admin.html')));
app.get('/present', (req, res) => res.sendFile(path.join(__dirname, '..', 'public', 'present.html')));
app.get('*', (req, res) => res.sendFile(path.join(__dirname, '..', 'public', 'index.html')));
/* ---- Start ---- */
setupWebSocket(server);
const { port } = getEnvConfig();
server.listen(port, '0.0.0.0', () => console.log(`[quizalarm] Laeuft auf Port ${port}`));
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const { WebSocket, WebSocketServer } = require('ws');
const { getEnvConfig, readConfig } = require('./config');
const { listRows, batchCreateRows } = require('./baserow');
const { calculateScore, sanitizeQuestion, parseCorrectAnswers } = require('./quiz-logic');
const sessions = new Map();
/* ------------------------------------------------------------------ */
/* Helpers */
/* ------------------------------------------------------------------ */
function generateCode() {
const chars = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';
let code = '';
for (let i = 0; i < 6; i++) code += chars[Math.floor(Math.random() * chars.length)];
return code;
}
function send(ws, data) {
if (ws && ws.readyState === WebSocket.OPEN) ws.send(JSON.stringify(data));
}
function broadcastAll(session, data, exclude) {
for (const [, p] of session.players) if (p.ws !== exclude) send(p.ws, data);
for (const ws of session.admins) if (ws !== exclude) send(ws, data);
for (const ws of session.presents) if (ws !== exclude) send(ws, data);
}
function broadcastAdmins(session, data) {
for (const ws of session.admins) send(ws, data);
for (const ws of session.presents) send(ws, data);
}
function broadcastPlayers(session, data) {
for (const [, p] of session.players) send(p.ws, data);
}
function playerList(session) {
return Array.from(session.players.keys());
}
function leaderboard(session) {
return Array.from(session.players.entries())
.map(([name, p]) => ({ name, score: p.score }))
.sort((a, b) => b.score - a.score)
.map((e, i) => ({ ...e, rank: i + 1 }));
}
function sessionInfo(s) {
return {
code: s.code,
setName: s.setName,
status: s.status,
options: s.options,
questionCount: s.questions.length,
currentQuestionIndex: s.currentQuestionIndex,
playerCount: s.players.size,
players: playerList(s),
leaderboard: leaderboard(s),
};
}
function shuffle(arr) {
const a = [...arr];
for (let i = a.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[a[i], a[j]] = [a[j], a[i]];
}
return a;
}
function isAdmin(token) {
return token === getEnvConfig().adminPassword;
}
/* ------------------------------------------------------------------ */
/* WebSocket setup */
/* ------------------------------------------------------------------ */
function setupWebSocket(server) {
const wss = new WebSocketServer({ server });
wss.on('connection', (ws) => {
ws.isAlive = true;
ws.on('pong', () => (ws.isAlive = true));
ws.on('message', (raw) => {
try {
handleMessage(ws, JSON.parse(raw));
} catch (e) {
send(ws, { type: 'error', message: 'Ungueltige Nachricht' });
}
});
ws.on('close', () => handleDisconnect(ws));
});
// Heartbeat every 30 s
setInterval(() => {
wss.clients.forEach((ws) => {
if (!ws.isAlive) return ws.terminate();
ws.isAlive = false;
ws.ping();
});
}, 30000);
}
/* ------------------------------------------------------------------ */
/* Message router */
/* ------------------------------------------------------------------ */
async function handleMessage(ws, msg) {
switch (msg.type) {
case 'admin-create':
return adminCreate(ws, msg);
case 'admin-join':
return adminJoin(ws, msg);
case 'admin-start':
return adminStart(ws, msg);
case 'admin-next':
return adminNext(ws, msg);
case 'admin-end':
return adminEnd(ws, msg);
case 'present-join':
return presentJoin(ws, msg);
case 'join':
return playerJoin(ws, msg);
case 'answer':
return playerAnswer(ws, msg);
default:
send(ws, { type: 'error', message: 'Unbekannter Typ' });
}
}
/* ------------------------------------------------------------------ */
/* Admin handlers */
/* ------------------------------------------------------------------ */
async function adminCreate(ws, msg) {
if (!isAdmin(msg.token)) return send(ws, { type: 'error', message: 'Nicht autorisiert' });
const config = readConfig();
const set = config.sets.find((s) => s.id === msg.setId);
if (!set) return send(ws, { type: 'error', message: 'Fragenset nicht gefunden' });
let questions;
try {
questions = await listRows(set.tableId);
} catch (e) {
return send(ws, { type: 'error', message: 'Fehler beim Laden: ' + e.message });
}
if (!questions.length) return send(ws, { type: 'error', message: 'Keine Fragen gefunden' });
const opts = {
shuffle: msg.options.shuffle !== false,
scoring: msg.options.scoring || 'binary',
timeLimit: parseInt(msg.options.timeLimit) || 30,
};
if (opts.shuffle) questions = shuffle(questions);
const code = generateCode();
const session = {
code,
sessionId: 'LIVE-' + Date.now().toString(36).toUpperCase(),
setId: set.id,
setName: set.name,
tableId: set.tableId,
options: opts,
questions,
currentQuestionIndex: -1,
status: 'waiting',
players: new Map(),
admins: new Set([ws]),
presents: new Set(),
currentAnswers: new Map(),
questionStartTime: null,
timer: null,
results: [],
};
sessions.set(code, session);
ws._qa = { code, role: 'admin' };
send(ws, {
type: 'session-created',
code,
setName: set.name,
questionCount: questions.length,
options: opts,
});
}
function adminJoin(ws, msg) {
if (!isAdmin(msg.token)) return send(ws, { type: 'error', message: 'Nicht autorisiert' });
const s = sessions.get(msg.code);
if (!s) return send(ws, { type: 'error', message: 'Session nicht gefunden' });
s.admins.add(ws);
ws._qa = { code: msg.code, role: 'admin' };
send(ws, { type: 'admin-joined', session: sessionInfo(s) });
}
function presentJoin(ws, msg) {
if (!isAdmin(msg.token)) return send(ws, { type: 'error', message: 'Nicht autorisiert' });
const s = sessions.get(msg.code);
if (!s) return send(ws, { type: 'error', message: 'Session nicht gefunden' });
s.presents.add(ws);
ws._qa = { code: msg.code, role: 'present' };
send(ws, { type: 'present-joined', session: sessionInfo(s) });
}
function adminStart(ws, msg) {
if (!isAdmin(msg.token)) return;
const s = sessions.get(msg.code);
if (!s || s.status !== 'waiting') return;
s.status = 'active';
broadcastAll(s, { type: 'game-start', totalQuestions: s.questions.length });
sendNextQuestion(s);
}
function adminNext(ws, msg) {
if (!isAdmin(msg.token)) return;
const s = sessions.get(msg.code);
if (!s || s.status !== 'showing-result') return;
sendNextQuestion(s);
}
async function adminEnd(ws, msg) {
if (!isAdmin(msg.token)) return;
const s = sessions.get(msg.code);
if (!s) return;
await endSession(s);
}
/* ------------------------------------------------------------------ */
/* Player handlers */
/* ------------------------------------------------------------------ */
function playerJoin(ws, msg) {
const s = sessions.get(msg.code);
if (!s) return send(ws, { type: 'error', message: 'Session nicht gefunden' });
if (s.status !== 'waiting') return send(ws, { type: 'error', message: 'Session laeuft bereits' });
const name = (msg.name || '').trim();
if (!name) return send(ws, { type: 'error', message: 'Name darf nicht leer sein' });
if (s.players.has(name)) {
const existing = s.players.get(name);
if (existing.ws && existing.ws.readyState === WebSocket.OPEN) {
return send(ws, { type: 'error', message: 'Name bereits online. Bitte waehle einen anderen.' });
}
existing.ws = ws; // Reconnect
} else {
s.players.set(name, { ws, score: 0, answers: [] });
}
ws._qa = { code: msg.code, role: 'player', name };
send(ws, { type: 'joined', session: { code: s.code, setName: s.setName, playerCount: s.players.size, players: playerList(s) } });
broadcastAll(s, { type: 'player-joined', name, playerCount: s.players.size, players: playerList(s) }, ws);
}
function playerAnswer(ws, msg) {
const qa = ws._qa;
if (!qa || qa.role !== 'player') return;
const s = sessions.get(qa.code);
if (!s || s.status !== 'active') return;
if (s.currentAnswers.has(qa.name)) return; // Already answered
const elapsed = (Date.now() - s.questionStartTime) / 1000;
const tl = s.options.scoring === 'time' ? s.options.timeLimit : 0;
const remaining = tl > 0 ? Math.max(0, tl - elapsed) : 0;
if (tl > 0 && remaining <= 0) return; // Time up
s.currentAnswers.set(qa.name, { answers: msg.answers || [], timeRemaining: remaining });
broadcastAdmins(s, { type: 'answer-count', count: s.currentAnswers.size, total: s.players.size });
send(ws, { type: 'answer-received' });
if (s.currentAnswers.size >= s.players.size) showResult(s);
}
/* ------------------------------------------------------------------ */
/* Game flow */
/* ------------------------------------------------------------------ */
function sendNextQuestion(s) {
s.currentQuestionIndex++;
if (s.currentQuestionIndex >= s.questions.length) return endSession(s);
s.status = 'active';
s.currentAnswers.clear();
s.questionStartTime = Date.now();
const q = s.questions[s.currentQuestionIndex];
const tl = s.options.scoring === 'time' ? s.options.timeLimit : 0;
broadcastAll(s, {
type: 'question',
index: s.currentQuestionIndex,
total: s.questions.length,
question: sanitizeQuestion(q),
timeLimit: tl,
});
clearTimeout(s.timer);
if (tl > 0) {
s.timer = setTimeout(() => {
if (s.status === 'active') broadcastAll(s, { type: 'time-up' });
}, tl * 1000);
}
}
function showResult(s) {
clearTimeout(s.timer);
s.status = 'showing-result';
const q = s.questions[s.currentQuestionIndex];
const correct = parseCorrectAnswers(q);
const tl = s.options.scoring === 'time' ? s.options.timeLimit : 0;
// Answer distribution
const stats = {};
['A', 'B', 'C', 'D'].forEach((k) => { if (q[`Antwort ${k}`]) stats[k] = 0; });
// Score for each player who answered
for (const [name, ans] of s.currentAnswers) {
const player = s.players.get(name);
const result = calculateScore(q, ans.answers, ans.timeRemaining, tl, s.options.scoring);
player.score += result.points;
player.answers.push({ qId: q.id, idx: s.currentQuestionIndex, answers: ans.answers, correct: result.correct, points: result.points });
ans.answers.forEach((a) => { if (stats[a] !== undefined) stats[a]++; });
s.results.push({
Nutzername: name, Frage_ID: q.id, Fragenset: s.setName,
Antwort: ans.answers.join(','), Richtig: result.correct,
Punkte: result.points, Session_ID: s.sessionId,
Modus: 'Live', Zeitstempel: new Date().toISOString(),
});
}
// Players who didn't answer
for (const [name, player] of s.players) {
if (!s.currentAnswers.has(name)) {
player.answers.push({ qId: q.id, idx: s.currentQuestionIndex, answers: [], correct: false, points: 0 });
s.results.push({
Nutzername: name, Frage_ID: q.id, Fragenset: s.setName,
Antwort: '', Richtig: false, Punkte: 0, Session_ID: s.sessionId,
Modus: 'Live', Zeitstempel: new Date().toISOString(),
});
}
}
const lb = leaderboard(s);
// Send personal results to players
for (const [name, player] of s.players) {
const last = player.answers[player.answers.length - 1];
send(player.ws, {
type: 'question-result', correctAnswer: correct, stats, leaderboard: lb,
yourResult: { correct: last.correct, points: last.points, totalScore: player.score },
});
}
broadcastAdmins(s, { type: 'question-result', correctAnswer: correct, stats, leaderboard: lb });
}
async function endSession(s) {
clearTimeout(s.timer);
s.status = 'ended';
const lb = leaderboard(s);
broadcastAll(s, { type: 'game-end', leaderboard: lb, sessionId: s.sessionId });
try {
const config = readConfig();
if (config.answersTableId && s.results.length) {
await batchCreateRows(config.answersTableId, s.results);
console.log(`[quizalarm] Session ${s.code}: ${s.results.length} Ergebnisse gespeichert`);
}
} catch (e) {
console.error('[quizalarm] Fehler beim Speichern:', e.message);
}
setTimeout(() => sessions.delete(s.code), 300000);
}
/* ------------------------------------------------------------------ */
/* Disconnect */
/* ------------------------------------------------------------------ */
function handleDisconnect(ws) {
const qa = ws._qa;
if (!qa) return;
const s = sessions.get(qa.code);
if (!s) return;
if (qa.role === 'admin') s.admins.delete(ws);
else if (qa.role === 'present') s.presents.delete(ws);
else if (qa.role === 'player') {
broadcastAll(s, { type: 'player-left', name: qa.name, playerCount: s.players.size, players: playerList(s) });
}
}
/* ------------------------------------------------------------------ */
/* Exports */
/* ------------------------------------------------------------------ */
function getSessions() {
return Array.from(sessions.values()).map(sessionInfo);
}
module.exports = { setupWebSocket, getSessions };
+126
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/**
* Normalize text for freitext comparison.
* Removes special characters, lowercases, collapses whitespace.
* "Villingen-Schwenningen" == "villingen schwenningen" == "villingenschwenningen"
*/
function normalizeText(text) {
if (!text) return '';
return text
.toLowerCase()
.replace(/[äÄ]/g, 'ae')
.replace(/[öÖ]/g, 'oe')
.replace(/[üÜ]/g, 'ue')
.replace(/ß/g, 'ss')
.replace(/[^a-z0-9]/g, '')
.trim();
}
function checkFreitext(userAnswer, correctAnswer) {
return normalizeText(userAnswer) === normalizeText(correctAnswer);
}
function parseCorrectAnswers(question) {
const raw = (question['Richtige Antwort'] || '').trim();
const typ = (question['Typ'] || 'MC').toLowerCase();
if (typ === 'freitext') return [raw];
return raw
.split(',')
.map((s) => s.trim().toUpperCase())
.filter(Boolean);
}
function countOptions(question) {
let n = 0;
if (question['Antwort A']) n++;
if (question['Antwort B']) n++;
if (question['Antwort C']) n++;
if (question['Antwort D']) n++;
return n;
}
/**
* Calculate score for an answer.
* @param {object} question Baserow row
* @param {string[]} selected e.g. ['A','C'] or ['Berlin']
* @param {number} timeRemaining seconds left (0 if no timer)
* @param {number} totalTime total seconds (0 if binary)
* @param {string} scoringMode 'binary' | 'time'
* @returns {{ points: number, correct: boolean }}
*/
function calculateScore(question, selected, timeRemaining, totalTime, scoringMode) {
if (!selected || selected.length === 0) return { points: 0, correct: false };
// Base points
let basis;
if (scoringMode === 'time' && totalTime > 0) {
const ratio = Math.max(0, Math.min(1, timeRemaining / totalTime));
basis = 500 + Math.round(ratio * 500);
} else {
basis = 1000;
}
const typ = (question['Typ'] || 'MC').toLowerCase();
const correctAnswers = parseCorrectAnswers(question);
// Freitext
if (typ === 'freitext') {
const ok = checkFreitext(selected[0], correctAnswers[0]);
return { points: ok ? basis : 0, correct: ok };
}
// MC / Wahr-Falsch
const correctSet = new Set(correctAnswers);
const totalCorrect = correctSet.size;
const totalIncorrect = countOptions(question) - totalCorrect;
let rightPicked = 0;
let wrongPicked = 0;
for (const s of selected) {
if (correctSet.has(s.toUpperCase())) rightPicked++;
else wrongPicked++;
}
let points = (rightPicked / Math.max(totalCorrect, 1)) * basis;
if (totalIncorrect > 0) {
points -= (wrongPicked / totalIncorrect) * (basis / 2);
}
points = Math.max(0, Math.round(points));
const fullyCorrect = rightPicked === totalCorrect && wrongPicked === 0;
return { points, correct: fullyCorrect };
}
/**
* Strip the correct answer from a question before sending to participants.
*/
function sanitizeQuestion(question) {
const typ = (question['Typ'] || 'MC').toLowerCase();
const sanitized = {
id: question.id,
frage: question['Frage'] || '',
typ: question['Typ'] || 'MC',
bild: null,
antworten: [],
kategorie: question['Kategorie'] || '',
};
// Bild (Baserow file field → array of objects)
const bild = question['Bild'];
if (bild && Array.isArray(bild) && bild.length > 0) {
sanitized.bild = bild[0].url;
}
if (typ === 'freitext') {
// no options
} else {
const keys = ['A', 'B', 'C', 'D'];
for (const k of keys) {
const val = question[`Antwort ${k}`];
if (val) sanitized.antworten.push({ key: k, text: val });
}
}
return sanitized;
}
module.exports = { calculateScore, sanitizeQuestion, parseCorrectAnswers, normalizeText };