Discord-Webhook für Streamer-Meldungen mit wählbaren Ereignissen

Meldungen zu Veto, Match-Start, Map- und Serienende, Matchende und
Serverfehlern gehen an DISCORD_WEBHOOK_URL. Im Admin-Bereich wählt man,
welche Ereignisse gemeldet werden, und kann eine Testmeldung senden.

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>

server/src/matchService.js

@@ -4,6 +4,7 @@ import { formatCode, hashToken, normalizeCode, randomCode, randomId, randomToken
 import { applyLogLines, initialLiveState, seriesScore, splitLogBody } from './liveScore.js';
 import { trimLiveState } from './rounds.js';
 import { sanitizeConsoleText } from './servers/cs2Config.js';
+import { NOTIFY_EVENTS } from './discord.js';
 
 export class HttpError extends Error {
   constructor(status, message, code = 'error') {
@@ -41,11 +42,12 @@ function cleanSteamId(value) {
 }
 
 export class MatchService extends EventEmitter {
-  constructor({ db, pools, config }) {
+  constructor({ db, pools, config, notifier = { enabled: false, send: async () => {} } }) {
     super();
     this.db = db;
     this.pools = pools;
     this.config = config;
+    this.notifier = notifier;
     this.presence = () => new Set();
   }
 
@@ -339,6 +341,7 @@ export class MatchService extends EventEmitter {
         .run(firstTeam, this.now(), this.now(), match.id);
       const how = match.veto_start === 'coin' ? 'per Münzwurf ausgelost' : 'vom Organisator festgelegt';
       this.log(match.id, 'veto', `Veto gestartet – ${this.teamName(match, firstTeam)} beginnt (${how})`);
+      this.notify('veto_start', match.id, `Veto gestartet: ${this.matchTitle(match.id)}, ${this.teamName(match, firstTeam)} beginnt`);
     })();
     this.changed(viewer.matchId);
   }
@@ -516,6 +519,8 @@ export class MatchService extends EventEmitter {
         const winner = state.winner ? this.teamName(match, state.winner) : 'Unentschieden';
         this.log(matchId, 'score',
           `Map ${row.number} (${this.mapName(match, row.map)}) beendet: ${match.team_a_name} ${state.score.A}:${state.score.B} ${match.team_b_name} – Sieger: ${winner}`);
+        this.notify('map_end', matchId, `${this.matchTitle(matchId)}
+Map ${row.number} (${this.mapName(match, row.map)}) beendet: ${state.score.A}:${state.score.B}, Sieger ${winner}`);
       }
     })();
     if (ended) {
@@ -524,6 +529,8 @@ export class MatchService extends EventEmitter {
       const needed = Math.floor(BEST_OF[ended.match.format] / 2) + 1;
       const decided = score.A >= needed ? 'A' : score.B >= needed ? 'B' : null;
       if (decided) this.log(matchId, 'score', `Serie entschieden: ${this.teamName(ended.match, decided)} gewinnt ${score[decided]}:${score[decided === 'A' ? 'B' : 'A']}`);
+      if (decided) this.notify('series_end', matchId, `${this.matchTitle(matchId)}
+Serie entschieden: ${this.teamName(ended.match, decided)} gewinnt ${score[decided]}:${score[decided === 'A' ? 'B' : 'A']}`);
       const hasNext = maps.some((m) => m.number === ended.row.number + 1);
       this.changed(matchId);
       this.emit('mapEnded', { matchId, number: ended.row.number, decided, hasNext });
@@ -555,6 +562,8 @@ export class MatchService extends EventEmitter {
       this.db.prepare("UPDATE series_maps SET status = 'done' WHERE match_id = ? AND status IN ('live','next')").run(match.id);
     }
     this.log(match.id, 'status', message ?? (status === 'finished' ? 'Match abgeschlossen' : 'Match abgebrochen'));
+    this.notify('match_closed', match.id, `${this.matchTitle(match.id)}
+${message ?? (status === 'finished' ? 'Match abgeschlossen' : 'Match abgebrochen')}`);
     this.setStatus(match.id, status);
     this.emit('closed', match.id);
   }
@@ -569,6 +578,45 @@ export class MatchService extends EventEmitter {
     this.db.prepare('UPDATE matches SET last_activity_at = ? WHERE id = ?').run(this.now(), matchId);
   }
 
+  /** Titel für Meldungen, z. B. „Team A vs. Team B (BO3)“. */
+  matchTitle(matchId) {
+    const m = this.getMatch(matchId);
+    return `${m.team_a_name} vs. ${m.team_b_name} (${m.format.toUpperCase()})`;
+  }
+
+  /**
+   * Meldung an den Discord-Webhook, falls konfiguriert. Ohne Stream-Schlüssel gehört die Übersicht
+   * des Matches dazu, mit Schlüssel entfällt der Link, damit der Schlüssel nicht in den Kanal gelangt.
+   */
+  /** Discord-Meldungen: der Webhook muss eingerichtet und das Ereignis ausgewählt sein. */
+  notificationSettings() {
+    const row = this.db.prepare("SELECT value FROM settings WHERE key = 'discord_events'").get();
+    let stored = {};
+    try {
+      stored = row ? JSON.parse(row.value) : {};
+    } catch {
+      stored = {};
+    }
+    const events = Object.fromEntries(NOTIFY_EVENTS.map(({ key }) => [key, stored[key] !== false]));
+    return { enabled: this.notifier.enabled, events, catalog: NOTIFY_EVENTS };
+  }
+
+  setNotificationEvents(input) {
+    if (!input || typeof input !== 'object') throw new HttpError(400, 'Ungültige Auswahl der Meldungen', 'invalid');
+    const events = Object.fromEntries(NOTIFY_EVENTS.map(({ key }) => [key, input[key] === true]));
+    this.db
+      .prepare("INSERT INTO settings (key, value) VALUES ('discord_events', ?) ON CONFLICT(key) DO UPDATE SET value = excluded.value")
+      .run(JSON.stringify(events));
+    return this.notificationSettings();
+  }
+
+  notify(type, matchId, text) {
+    if (!this.notifier.enabled || !this.notificationSettings().events[type]) return;
+    const link = this.config.streamKey ? '' : `
+${this.config.publicUrl}/stream/match/${matchId}`;
+    this.notifier.send(`${text}${link}`);
+  }
+
   log(matchId, type, message) {
     this.db
       .prepare('INSERT INTO events (match_id, type, message, created_at) VALUES (?, ?, ?, ?)')