feat: add Baileys message normalizer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-27 15:08:10 +05:30
parent 4c721f0b19
commit 7151e0dd6d
4 changed files with 410 additions and 8 deletions
@@ -0,0 +1,47 @@
+import { proto } from '@whiskeysockets/baileys';
+
+export interface NormalizedMessage {
+  platformMsgId: string;
+  sourceGroupJid: string;
+  senderJid: string;
+  senderName?: string;
+  content: string;
+}
+
+function extractText(msg: proto.IWebMessageInfo): string {
+  const m = msg.message;
+  if (!m) return '';
+  return (
+    m.conversation ||
+    m.extendedTextMessage?.text ||
+    m.imageMessage?.caption ||
+    m.videoMessage?.caption ||
+    m.documentMessage?.caption ||
+    ''
+  );
+}
+
+export function normalizeMessage(msg: proto.IWebMessageInfo): NormalizedMessage | null {
+  const key = msg.key;
+  if (!key) return null;
+
+  const remoteJid = key.remoteJid ?? '';
+
+  // Only process group messages (group JIDs end with @g.us)
+  if (!remoteJid.endsWith('@g.us')) return null;
+
+  // Skip our own outgoing messages
+  if (key.fromMe) return null;
+
+  if (!msg.message) return null;
+
+  const content = extractText(msg);
+
+  return {
+    platformMsgId: key.id ?? '',
+    sourceGroupJid: remoteJid,
+    senderJid: key.participant ?? '',
+    senderName: msg.pushName ?? undefined,
+    content,
+  };
+}