Make rabbitMQ per events

src/libs/amqp.server.ts

@@ -1,6 +1,6 @@
 import * as amqp from 'amqplib/callback_api';
 
-import { configService, Rabbitmq } from '../config/env.config';
+import { configService, HttpServer, Rabbitmq } from '../config/env.config';
 import { Logger } from '../config/logger.config';
 
 const logger = new Logger('AMQP');
@@ -9,8 +9,8 @@ let amqpChannel: amqp.Channel | null = null;
 
 export const initAMQP = () => {
   return new Promise<void>((resolve, reject) => {
-    const uri = configService.get<Rabbitmq>('RABBITMQ').URI;
-    amqp.connect(uri, (error, connection) => {
+    const rabbitConfig = configService.get<Rabbitmq>('RABBITMQ');
+    amqp.connect(rabbitConfig.URI, (error, connection) => {
       if (error) {
         reject(error);
         return;
@@ -45,6 +45,7 @@ export const getAMQP = (): amqp.Channel | null => {
 
 export const initQueues = (instanceName: string, events: string[]) => {
   if (!instanceName || !events || !events.length) return;
+  const rabbitConfig = configService.get<Rabbitmq>('RABBITMQ');
 
   const queues = events.map((event) => {
     return `${event.replace(/_/g, '.').toLowerCase()}`;
@@ -60,7 +61,7 @@ export const initQueues = (instanceName: string, events: string[]) => {
       assert: true,
     });
 
-    const queueName = `${instanceName}.${event}`;
+    const queueName = rabbitConfig.GLOBAL_EVENT_QUEUE ? event : `${instanceName}.${event}`;
 
     amqp.assertQueue(queueName, {
       durable: true,
@@ -76,6 +77,7 @@ export const initQueues = (instanceName: string, events: string[]) => {
 
 export const removeQueues = (instanceName: string, events: string[]) => {
   if (!events || !events.length) return;
+  const rabbitConfig = configService.get<Rabbitmq>('RABBITMQ');
 
   const channel = getAMQP();
 
@@ -94,10 +96,64 @@ export const removeQueues = (instanceName: string, events: string[]) => {
       assert: true,
     });
 
-    const queueName = `${instanceName}.${event}`;
+    const queueName = rabbitConfig.GLOBAL_EVENT_QUEUE ? event : `${instanceName}.${event}`;
 
     amqp.deleteQueue(queueName);
   });
 
   channel.deleteExchange(exchangeName);
 };
+
+interface SendEventData {
+  instanceName: string;
+  wuid: string;
+  event: string;
+  apiKey?: string;
+  data: any;
+}
+
+export const sendEventData = ({ data, event, wuid, apiKey, instanceName }: SendEventData) => {
+  const exchangeName = instanceName ?? 'evolution_exchange';
+
+  amqpChannel.assertExchange(exchangeName, 'topic', {
+    durable: true,
+    autoDelete: false,
+    assert: true,
+  });
+
+  const rabbitConfig = configService.get<Rabbitmq>('RABBITMQ');
+  const queueName = rabbitConfig.GLOBAL_EVENT_QUEUE ? event : `${instanceName}.${event}`;
+
+  amqpChannel.assertQueue(queueName, {
+    durable: true,
+    autoDelete: false,
+    arguments: { 'x-queue-type': 'quorum' },
+  });
+
+  amqpChannel.bindQueue(queueName, exchangeName, event);
+
+  const serverUrl = configService.get<HttpServer>('SERVER').URL;
+  const tzoffset = new Date().getTimezoneOffset() * 60000; //offset in milliseconds
+  const localISOTime = new Date(Date.now() - tzoffset).toISOString();
+  const now = localISOTime;
+
+  const message = {
+    event,
+    instance: instanceName,
+    data,
+    server_url: serverUrl,
+    date_time: now,
+    sender: wuid,
+  };
+
+  if (apiKey) {
+    message['apikey'] = apiKey;
+  }
+
+  logger.log({
+    queueName,
+    exchangeName,
+    event,
+  });
+  amqpChannel.publish(exchangeName, event, Buffer.from(JSON.stringify(message)));
+};