Update handlers to receive conversation objects

conversation-layer-agent/src/index.ts

@@ -6,6 +6,14 @@ import dotenv from 'dotenv';
 
 dotenv.config();
 
+interface Conversation {
+  chatId: string;
+  messages: { text: string }[];
+  createdAt: number;
+  updatedAt: number;
+  messageCount: number;
+}
+
 const PORT = Number(process.env.PORT) || 8001;
 const API_KEY = process.env.GEMINI_API_KEY || '';
 console.log(`Using Gemini API key: ${API_KEY}`);
@@ -34,8 +42,9 @@ const app = express();
 app.use(express.json());
 
 app.post('/', async (req, res) => {
-  const message = req.body?.message as string | undefined;
-  if (!message) return res.status(400).json({ error: 'Missing message' });
+  const conversation = req.body?.conversation as Conversation | undefined;
+  if (!conversation) return res.status(400).json({ error: 'Missing conversation' });
+  const message = conversation.messages[conversation.messages.length - 1]?.text || '';
 
   if (!genAI) {
     return res.json({ reply: repoInfo });
@@ -66,8 +75,8 @@ app.get('/', (req, res) => {
   res.send(`
     <h1>Conversation Layer Agent</h1>
     <p>This service answers questions about the repository.</p>
-    <p>Send a POST request to / with a JSON body containing {"message": "your question"}</p>
-    <p>Example: {"message": "What is this repository about?"}</p>
+    <p>Send a POST request to / with a JSON body containing {"conversation": {...}}</p>
+    <p>Example: {"conversation": {"chatId": "123@c.us", "messages": [{"text": "hello"}]}}</p>
     <p>It will respond with a JSON object containing {"reply": "the answer"}</p>
 
     <p>Repository info: ${repoInfo}</p>

whatsapp-router/src/chatHandlers.ts

@@ -1,9 +1,9 @@
 import { helloWorldAgent } from './helloAgent';
-import { WhatsAppMessage } from './types';
+import { Conversation } from './types';
 import dotenv from 'dotenv';
 dotenv.config();
 
-export type Handler = string | ((msg: WhatsAppMessage | string) => Promise<string>);
+export type Handler = string | ((conv: Conversation) => Promise<string>);
 
 export const chatHandlers: Record<string, Handler> = {
   '50498554225@c.us': process.env.CONVERSATION_AGENT_URL || 'http://conversation-layer-agent:8001',

whatsapp-router/src/helloAgent.ts

@@ -1,3 +1,5 @@
-export async function helloWorldAgent(): Promise<string> {
+import { Conversation } from './types';
+
+export async function helloWorldAgent(_conv: Conversation): Promise<string> {
   return 'hello world';
 }

whatsapp-router/src/index.ts

@@ -1,10 +1,15 @@
 import express from 'express';
-import axios from 'axios';
-import { WhatsAppMessage } from './types';
-import { getHandler, Handler } from './chatHandlers';
 import dotenv from 'dotenv';
-dotenv.config();
+import { registerConversationRoutes } from './routes/conversations';
+import {
+  registerWebhookRoutes,
+  clearWebhooks,
+  registerWebhook,
+  waitForGateway,
+  WebhookConfig,
+} from './webhook';
 
+dotenv.config();
 
 if (process.env.NODE_ENV === 'development') {
   process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
@@ -17,166 +22,29 @@ if (
   throw new Error('NODE_TLS_REJECT_UNAUTHORIZED está activado en producción. Abortando.');
 }
 
-
 const app = express();
+app.use(express.json());
 
 const port = Number(process.env.PORT) || 3001;
 const agentUrl = process.env.LLM_AGENT_URL as string | undefined;
 const openWaUrl = process.env.OPEN_WA_URL as string | undefined;
 
-const config = {
+const config: WebhookConfig = {
   API_URL: openWaUrl || '',
   MAX_ATTEMPTS: parseInt(process.env.MAX_ATTEMPTS || '100', 10),
-  RETRY_MS: parseInt(process.env.RETRY_MS || '2000', 10)
+  RETRY_MS: parseInt(process.env.RETRY_MS || '2000', 10),
 };
 
-function log(level: keyof Console | 'info' | 'warn' | 'error' | 'debug', ...args: unknown[]) {
-  const logger = (console as any)[level] as ((...args: unknown[]) => void) | undefined;
-  if (logger) logger(...args);
-  else console.log(...args);
-}
-
-async function waitForGateway() {
-  for (let i = 1; i <= config.MAX_ATTEMPTS; i++) {
-    try {
-      await axios.get(`${config.API_URL}/api-docs/`);
-      log('info', '🟢  nucleo-whatsapp ready');
-      return;
-    } catch(e) {
-      log('warn', `Gateway not responding`,' connecting to: ', `${config.API_URL}/api-docs/`, ` (attempt ${i}/${config.MAX_ATTEMPTS})…`, e);
-      await new Promise(r => setTimeout(r, config.RETRY_MS));
-    }
-  }
-  throw new Error('nucleo-whatsapp did not respond in time');
-}
-
-async function clearWebhooks() {
-  try {
-    const { data } = await axios.post(`${config.API_URL}/listWebhooks`);
-    const hooks = data?.response || [];
-    if (!hooks.length) {
-      log('info', 'No existing webhooks to remove');
-      return;
-    }
-
-    log('info', `Removing ${hooks.length} webhooks…`);
-    const results = await Promise.allSettled(
-      hooks.map((h: any) => axios.post(`${config.API_URL}/removeWebhook`, { args: { webhookId: h.id } }))
-    );
-
-    results.forEach((r: PromiseSettledResult<any>, i: number) => {
-      const id = hooks[i].id;
-      if (r.status === 'fulfilled' && r.value?.data?.response === true) {
-        log('debug', `✔️  Removed webhook ${id}`);
-      } else {
-        log('warn', `⚠️  Failed to remove webhook ${id}`);
-      }
-    });
-
-    const ok = results.filter((r: PromiseSettledResult<any>) => r.status === 'fulfilled' && (r as PromiseFulfilledResult<any>).value?.data?.response === true).length;
-    log('info', `Cleanup OK (${ok}/${hooks.length} removed)`);
-  } catch (e: any) {
-    log('error', 'Failed cleaning webhooks:', e.response?.data || e.message);
-  }
-}
-
-async function registerWebhook() {
-  const url = process.env.WEBHOOK_URL || `http://whatsapp-router:${port}/webhook`;
-  const eventConfig = {
-    onAck: false,
-    onAddedToGroup: true,
-    onAnyMessage: false,
-    onBattery: true,
-    onBroadcast: true,
-    onButton: true,
-    onCallState: false,
-    onChatDeleted: true,
-    onChatOpened: true,
-    onChatState: true,
-    onContactAdded: true,
-    onGlobalParticipantsChanged: true,
-    onGroupApprovalRequest: true,
-    onGroupChange: true,
-    onIncomingCall: false,
-    onLabel: true,
-    onLogout: true,
-    onMessage: true,
-    onMessageDeleted: true,
-    onNewProduct: true,
-    onOrder: true,
-    onPlugged: false,
-    onPollVote: true,
-    onReaction: true,
-    onRemovedFromGroup: false,
-    onStateChanged: false,
-    onStory: false,
-  };
-
-  const events = Object.entries(eventConfig)
-    .filter(([_, enabled]) => enabled)
-    .map(([event]) => event);
-
-  const { data } = await axios.post(`${config.API_URL}/registerWebhook`, {
-    args: { url, events }
-  });
-
-  log('info', '✔️  Webhook registered:', data);
-}
-
-app.use(express.json());
-
-app.post('/webhook', async (req: express.Request, res: express.Response) => {
-  let message: WhatsAppMessage | undefined;
-  let text: string | undefined;
-  let from: string | undefined;
-
-  try {
-    if (req.body && req.body.data) {
-      // New webhook format from nucleo-whatsapp
-      message = req.body.data as WhatsAppMessage;
-      text = (req.body.data.body as string) || req.body.data.text;
-      from = req.body.data.from;
-    } else {
-      throw new Error('Invalid webhook format');
-    }
-  }catch{}
-
-
-  if (message) {
-    const tipo = typeof message === 'string' ? 'texto' : 'objeto';
-    const origen = from || (message?.chatId ?? 'desconocido');
-    log('info', `📩 Mensaje recibido (${message?.text}) de ${origen}`);
-  }
-
-  try {
-    if (!message) return res.sendStatus(200);
-    if (!openWaUrl) throw new Error('Service URLs not configured');
-    const chatId = (message && message.chatId) || from;
-    const handler = getHandler(chatId, agentUrl);
-    if (!handler) throw new Error('No handler configured');
-    let reply: string;
-    if (typeof handler === 'string') {
-      const agentRes = await axios.post(handler, {message: message.text});
-      reply = agentRes.data.reply || agentRes.data;
-    } else {
-      reply = await handler(message);
-    }
-    await axios.post(`${openWaUrl}/sendText`, { args: { to: from, content: reply } });
-  } catch (err: any) {
-    console.error('Error processing message', err.message);
-  }
-
-  res.sendStatus(200);
-});
-
+registerConversationRoutes(app, openWaUrl);
+registerWebhookRoutes(app, config, openWaUrl, agentUrl);
 
 app.listen(port, async () => {
   console.log(`WhatsApp router listening on ${port}`);
   try {
-    await waitForGateway();
-    await clearWebhooks();
-    await registerWebhook();
+    await waitForGateway(config);
+    await clearWebhooks(config);
+    await registerWebhook(config, port);
   } catch (err: any) {
-    log('error', 'Webhook setup failed:', err.message);
+    console.error('Webhook setup failed:', err.message);
   }
 });

whatsapp-router/src/routes/conversations.ts

@@ -0,0 +1,38 @@
+import { Application } from 'express';
+import {
+  deleteConversation,
+  getConversation,
+  listConversations,
+  buildConversation,
+} from '../store/conversation';
+
+export function registerConversationRoutes(app: Application, openWaUrl: string | undefined) {
+  app.get('/conversations', (req, res) => {
+    res.json({ conversations: listConversations() });
+  });
+
+  app.get('/conversations/:id', async (req, res) => {
+    if (!openWaUrl) return res.status(500).json({ error: 'Service URLs not configured' });
+    try {
+      const conv = await getConversation(req.params.id, openWaUrl);
+      res.json(conv);
+    } catch (err: any) {
+      res.status(500).json({ error: err.message });
+    }
+  });
+
+  app.post('/conversations/:id/update', async (req, res) => {
+    if (!openWaUrl) return res.status(500).json({ error: 'Service URLs not configured' });
+    try {
+      const conv = await buildConversation(req.params.id, openWaUrl);
+      res.json(conv);
+    } catch (err: any) {
+      res.status(500).json({ error: err.message });
+    }
+  });
+
+  app.delete('/conversations/:id', (req, res) => {
+    const deleted = deleteConversation(req.params.id);
+    res.json({ success: deleted });
+  });
+}

whatsapp-router/src/store/conversation.ts

@@ -0,0 +1,67 @@
+import axios from 'axios';
+import { WhatsAppMessage, Conversation } from '../types';
+
+const conversations = new Map<string, Conversation>();
+
+async function loadMessages(
+  chatId: string,
+  openWaUrl: string
+): Promise<WhatsAppMessage[]> {
+  const { data } = await axios.post(`${openWaUrl}/loadAndGetAllMessagesInChat`, {
+    args: {
+      chatId,
+      includeMe: true,
+      includeNotifications: true,
+    },
+  });
+  const msgs: WhatsAppMessage[] = data?.response || data || [];
+  return msgs;
+}
+
+export async function getConversation(
+  chatId: string,
+  openWaUrl: string
+): Promise<Conversation> {
+  let conv = conversations.get(chatId);
+  if (!conv) {
+    conv = await buildConversation(chatId, openWaUrl);
+  }
+  return conv;
+}
+
+export function listConversations(): Conversation[] {
+  return Array.from(conversations.values());
+}
+
+export async function buildConversation(
+  chatId: string,
+  openWaUrl: string
+): Promise<Conversation> {
+  const messages = await loadMessages(chatId, openWaUrl);
+  const now = Date.now();
+  const conv: Conversation = {
+    chatId,
+    messages,
+    createdAt: conversations.get(chatId)?.createdAt || now,
+    updatedAt: now,
+    messageCount: messages.length,
+  };
+  conversations.set(chatId, conv);
+  return conv;
+}
+
+export function deleteConversation(chatId: string): boolean {
+  return conversations.delete(chatId);
+}
+
+export async function addMessageToConversation(
+  chatId: string,
+  msg: WhatsAppMessage,
+  openWaUrl: string
+): Promise<Conversation> {
+  const conv = await getConversation(chatId, openWaUrl);
+  conv.messages.push(msg);
+  conv.messageCount = conv.messages.length;
+  conv.updatedAt = Date.now();
+  return conv;
+}

whatsapp-router/src/types.ts

@@ -192,3 +192,11 @@ export interface WhatsAppMessage {
   mediaData: Record<string, unknown>;
   text: string;
 }
+
+export interface Conversation {
+  chatId: string;
+  messages: WhatsAppMessage[];
+  createdAt: number;
+  updatedAt: number;
+  messageCount: number;
+}

whatsapp-router/src/webhook.ts

@@ -0,0 +1,159 @@
+import express, { Application } from 'express';
+import axios from 'axios';
+import { getHandler } from './chatHandlers';
+import { addMessageToConversation } from './store/conversation';
+import { WhatsAppMessage, Conversation } from './types';
+
+export interface WebhookConfig {
+  API_URL: string;
+  MAX_ATTEMPTS: number;
+  RETRY_MS: number;
+}
+
+export function registerWebhookRoutes(
+  app: Application,
+  config: WebhookConfig,
+  openWaUrl: string | undefined,
+  agentUrl: string | undefined
+) {
+  app.post('/webhook', async (req: express.Request, res: express.Response) => {
+    let message: WhatsAppMessage | undefined;
+    let from: string | undefined;
+
+    try {
+      if (req.body && req.body.data) {
+        message = req.body.data as WhatsAppMessage;
+        from = req.body.data.from;
+      } else {
+        throw new Error('Invalid webhook format');
+      }
+    } catch {}
+
+    if (message) {
+      const origen = from || message.chatId || 'desconocido';
+      console.log(`📩 Mensaje recibido (${message.text}) de ${origen}`);
+    }
+
+    try {
+      if (!message) return res.sendStatus(200);
+      if (!openWaUrl) throw new Error('Service URLs not configured');
+      const chatId = message.chatId || from;
+      let conv: Conversation | undefined;
+      if (chatId) {
+        try {
+          conv = await addMessageToConversation(chatId, message, openWaUrl);
+        } catch (err: any) {
+          console.warn('Failed updating conversation:', err.message);
+        }
+      }
+      if (!conv) throw new Error('Conversation unavailable');
+      const handler = getHandler(chatId, agentUrl);
+      if (!handler) throw new Error('No handler configured');
+      let reply: string;
+      if (typeof handler === 'string') {
+        const agentRes = await axios.post(handler, { conversation: conv });
+        reply = agentRes.data.reply || agentRes.data;
+      } else {
+        reply = await handler(conv);
+      }
+      await axios.post(`${openWaUrl}/sendText`, { args: { to: from, content: reply } });
+    } catch (err: any) {
+      console.error('Error processing message', err.message);
+    }
+
+    res.sendStatus(200);
+  });
+}
+
+export async function waitForGateway(config: WebhookConfig) {
+  for (let i = 1; i <= config.MAX_ATTEMPTS; i++) {
+    try {
+      await axios.get(`${config.API_URL}/api-docs/`);
+      console.log('🟢  nucleo-whatsapp ready');
+      return;
+    } catch (e) {
+      console.warn(
+        'Gateway not responding',
+        `connecting to: ${config.API_URL}/api-docs/ (attempt ${i}/${config.MAX_ATTEMPTS})…`,
+        e
+      );
+      await new Promise((r) => setTimeout(r, config.RETRY_MS));
+    }
+  }
+  throw new Error('nucleo-whatsapp did not respond in time');
+}
+
+export async function clearWebhooks(config: WebhookConfig) {
+  try {
+    const { data } = await axios.post(`${config.API_URL}/listWebhooks`);
+    const hooks = data?.response || [];
+    if (!hooks.length) {
+      console.log('No existing webhooks to remove');
+      return;
+    }
+
+    console.log(`Removing ${hooks.length} webhooks…`);
+    const results = await Promise.allSettled(
+      hooks.map((h: any) => axios.post(`${config.API_URL}/removeWebhook`, { args: { webhookId: h.id } }))
+    );
+
+    results.forEach((r: PromiseSettledResult<any>, i: number) => {
+      const id = hooks[i].id;
+      if (r.status === 'fulfilled' && (r as PromiseFulfilledResult<any>).value?.data?.response === true) {
+        console.log(`✔️  Removed webhook ${id}`);
+      } else {
+        console.warn(`⚠️  Failed to remove webhook ${id}`);
+      }
+    });
+
+    const ok = results.filter(
+      (r: PromiseSettledResult<any>) => r.status === 'fulfilled' && (r as PromiseFulfilledResult<any>).value?.data?.response === true
+    ).length;
+    console.log(`Cleanup OK (${ok}/${hooks.length} removed)`);
+  } catch (e: any) {
+    console.error('Failed cleaning webhooks:', e.response?.data || e.message);
+  }
+}
+
+export async function registerWebhook(config: WebhookConfig, port: number) {
+  const url = process.env.WEBHOOK_URL || `http://whatsapp-router:${port}/webhook`;
+  const eventConfig = {
+    onAck: false,
+    onAddedToGroup: true,
+    onAnyMessage: false,
+    onBattery: true,
+    onBroadcast: true,
+    onButton: true,
+    onCallState: false,
+    onChatDeleted: true,
+    onChatOpened: true,
+    onChatState: true,
+    onContactAdded: true,
+    onGlobalParticipantsChanged: true,
+    onGroupApprovalRequest: true,
+    onGroupChange: true,
+    onIncomingCall: false,
+    onLabel: true,
+    onLogout: true,
+    onMessage: true,
+    onMessageDeleted: true,
+    onNewProduct: true,
+    onOrder: true,
+    onPlugged: false,
+    onPollVote: true,
+    onReaction: true,
+    onRemovedFromGroup: false,
+    onStateChanged: false,
+    onStory: false,
+  } as const;
+
+  const events = Object.entries(eventConfig)
+    .filter(([_, enabled]) => enabled)
+    .map(([event]) => event);
+
+  const { data } = await axios.post(`${config.API_URL}/registerWebhook`, {
+    args: { url, events },
+  });
+
+  console.log('✔️  Webhook registered:', data);
+}