separated in modules

src/modules/1-intake/services/evolutionParser.js

@@ -0,0 +1,58 @@
+export function parseEvolutionWebhook(reqBody) {
+  const envelope = Array.isArray(reqBody) ? reqBody[0] : reqBody;
+  const body = envelope?.body ?? envelope ?? {};
+
+  const event = body.event;
+  const instance = body.instance; // tenant key
+  const data = body.data;
+
+  if (!event || !data || !data.key) {
+    return { ok: false, reason: "missing_fields" };
+  }
+
+  if (event !== "messages.upsert") {
+    return { ok: false, reason: "not_messages_upsert" };
+  }
+
+  const remoteJid = data.key.remoteJid;
+  const fromMe = data.key.fromMe === true;
+  const messageId = data.key.id;
+
+  // only inbound
+  if (fromMe) return { ok: false, reason: "from_me" };
+
+  // ignore groups / broadcasts
+  if (!remoteJid || typeof remoteJid !== "string") return { ok: false, reason: "no_remoteJid" };
+  if (!remoteJid.endsWith("@s.whatsapp.net")) return { ok: false, reason: "not_direct_chat" };
+
+  const messageType = data.messageType;
+
+  // extract text
+  const msg = data.message || {};
+  const text =
+    (typeof msg.conversation === "string" && msg.conversation) ||
+    (typeof msg.extendedTextMessage?.text === "string" && msg.extendedTextMessage.text) ||
+    "";
+
+  const cleanText = String(text).trim();
+  if (!cleanText) return { ok: false, reason: "empty_text" };
+
+  // metadata
+  const pushName = data.pushName || null;
+  const ts = data.messageTimestamp ? new Date(Number(data.messageTimestamp) * 1000).toISOString() : null;
+  const source = data.source || null; // e.g. "sim"
+
+  return {
+    ok: true,
+    tenant_key: instance || null,
+    chat_id: remoteJid,
+    message_id: messageId || null,
+    text: cleanText,
+    from_name: pushName,
+    message_type: messageType || null,
+    ts,
+    source,
+    raw: body, // para log/debug si querés
+  };
+}
+