Chat im Match: Match-Chat und Team-Chat in Tabs, Zuschauer ausgeschlossen, nach Matchende nur lesbar

server/src/matchService.js

@@ -41,9 +41,13 @@ function cleanSteamId(value) {
   return raw;
 }
 
+const CHAT_MAX_LENGTH = 300;
+const CHAT_HISTORY = 200;
+
 export class MatchService extends EventEmitter {
   constructor({ db, pools, config, notifier = { enabled: false, send: async () => {} } }) {
     super();
+    this.chatRate = new Map();
     this.db = db;
     this.pools = pools;
     this.config = config;
@@ -635,6 +639,70 @@ export class MatchService extends EventEmitter {
       .run(matchId, match.current_map_number);
   }
 
+  // ---------- Chat ----------
+
+  /**
+   * Chat-Kanäle, die dieser Zugang sieht: der Match-Chat für Spieler beider Teams und den Organisator,
+   * dazu der Team-Chat des eigenen Teams. Zuschauer und Gäste sehen keinen Chat.
+   */
+  chatChannels(match, viewer) {
+    const channels = [];
+    if (viewer.isOrganizer || viewer.playerId) channels.push({ key: 'match', label: 'Match-Chat' });
+    if (viewer.playerId && (viewer.team === 'A' || viewer.team === 'B')) {
+      channels.push({ key: viewer.team, label: `Team ${this.teamName(match, viewer.team)}` });
+    }
+    return channels;
+  }
+
+  chatView(match, viewer) {
+    const channels = this.chatChannels(match, viewer);
+    if (!channels.length) return null;
+    const stmt = this.db.prepare(`
+      SELECT * FROM (SELECT * FROM chat_messages WHERE match_id = ? AND channel = ? ORDER BY id DESC LIMIT ${CHAT_HISTORY})
+      ORDER BY id
+    `);
+    const messages = {};
+    for (const c of channels) {
+      messages[c.key] = stmt.all(match.id, c.key).map((m) => ({
+        id: m.id,
+        author: m.author,
+        team: m.team,
+        organizer: !!m.organizer,
+        text: m.text,
+        at: m.created_at,
+        mine: viewer.playerId ? m.player_id === viewer.playerId : !!m.organizer && !m.player_id,
+      }));
+    }
+    return { channels, messages, canWrite: !CLOSED_STATUSES.includes(match.status), maxLength: CHAT_MAX_LENGTH };
+  }
+
+  /** Nachricht in einen Kanal schreiben. Nach Matchende ist der Chat nur noch lesbar. */
+  postChat(viewer, { channel, text } = {}) {
+    const match = this.getMatch(viewer.matchId);
+    if (!this.chatChannels(match, viewer).some((c) => c.key === channel)) {
+      throw new HttpError(403, 'In diesem Chat darfst du nicht schreiben', 'forbidden');
+    }
+    if (CLOSED_STATUSES.includes(match.status)) throw new HttpError(409, 'Das Match ist beendet, der Chat ist nur noch lesbar', 'match_closed');
+    const clean = String(text ?? '').replace(/[\u0000-\u001f\u007f]/g, ' ').replace(/\s+/g, ' ').trim();
+    if (!clean) throw new HttpError(400, 'Die Nachricht ist leer', 'invalid_input');
+    if (clean.length > CHAT_MAX_LENGTH) throw new HttpError(400, `Höchstens ${CHAT_MAX_LENGTH} Zeichen`, 'invalid_input');
+
+    // Gegen Spam: höchstens 5 Nachrichten in 10 Sekunden pro Person
+    const who = `${match.id}:${viewer.playerId ?? 'org'}`;
+    const now = this.now();
+    const recent = (this.chatRate.get(who) ?? []).filter((t) => now - t < 10_000);
+    if (recent.length >= 5) throw new HttpError(429, 'Zu viele Nachrichten, kurz warten', 'rate_limited');
+    this.chatRate.set(who, [...recent, now]);
+
+    const player = viewer.playerId ? this.db.prepare('SELECT nickname, team FROM players WHERE id = ?').get(viewer.playerId) : null;
+    this.db.prepare(`
+      INSERT INTO chat_messages (match_id, channel, player_id, author, team, organizer, text, created_at)
+      VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+    `).run(match.id, channel, viewer.playerId ?? null, player?.nickname ?? 'Organisator', player?.team ?? null,
+      viewer.isOrganizer ? 1 : 0, clean, now);
+    this.changed(match.id);
+  }
+
   /** Abgeschlossenes Match ins Archiv legen bzw. zurückholen. */
   setArchived(matchId, archived) {
     const match = this.getMatch(matchId);
@@ -957,6 +1025,7 @@ export class MatchService extends EventEmitter {
       seriesScore: seriesScore(seriesRows),
       maxRounds: match.mode === 'wingman' ? this.config.match.maxRoundsWingman : this.config.match.maxRoundsCompetitive,
       server: this.serverView(match, viewer),
+      chat: this.chatView(match, viewer),
       events: publicView
         ? []
         : this.db