feat: initial Papo bot scaffold

src/services/automodService.ts

@@ -0,0 +1,49 @@
+import { Collection, Message } from 'discord.js';
+import { logger } from '../utils/logger.js';
+
+export class AutoModService {
+  private spamTracker = new Collection<string, { count: number; lastMessage: number }>();
+  private spamThreshold = 5;
+  private windowMs = 7000;
+
+  constructor(private linkFilterEnabled = true, private antiSpamEnabled = true) {}
+
+  public checkMessage(message: Message) {
+    if (message.author.bot) return;
+    if (this.linkFilterEnabled && this.containsLink(message.content)) {
+      message.delete().catch(() => undefined);
+      message.channel
+        .send({ content: `${message.author}, Links sind hier nicht erlaubt.` })
+        .then((m) => setTimeout(() => m.delete().catch(() => undefined), 5000));
+      logger.info(`Deleted link from ${message.author.tag}`);
+      return true;
+    }
+
+    if (this.antiSpamEnabled) {
+      const now = Date.now();
+      const tracker = this.spamTracker.get(message.author.id) ?? { count: 0, lastMessage: now };
+      if (now - tracker.lastMessage < this.windowMs) {
+        tracker.count += 1;
+      } else {
+        tracker.count = 1;
+      }
+      tracker.lastMessage = now;
+      this.spamTracker.set(message.author.id, tracker);
+
+      if (tracker.count >= this.spamThreshold) {
+        message.member?.timeout(10 * 60 * 1000, 'Automod: Spam').catch(() => undefined);
+        message.channel
+          .send({ content: `${message.author}, bitte langsamer schreiben (Spam-Schutz).` })
+          .then((m) => setTimeout(() => m.delete().catch(() => undefined), 5000));
+        logger.warn(`Timed out ${message.author.tag} for spam`);
+        this.spamTracker.delete(message.author.id);
+        return true;
+      }
+    }
+    return false;
+  }
+
+  private containsLink(content: string) {
+    return /(https?:\/\/|discord\.gg|www\.)/i.test(content);
+  }
+}