fix: reorganization of files and folders

src/api/integrations/rabbitmq/libs/amqp.server.ts

@@ -0,0 +1,100 @@
+import * as amqp from 'amqplib/callback_api';
+
+import { configService, Rabbitmq } from '../../../../config/env.config';
+import { Logger } from '../../../../config/logger.config';
+
+const logger = new Logger('AMQP');
+
+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) => {
+      if (error) {
+        reject(error);
+        return;
+      }
+
+      connection.createChannel((channelError, channel) => {
+        if (channelError) {
+          reject(channelError);
+          return;
+        }
+
+        const exchangeName = 'evolution_exchange';
+
+        channel.assertExchange(exchangeName, 'topic', {
+          durable: true,
+          autoDelete: false,
+        });
+
+        amqpChannel = channel;
+
+        logger.info('AMQP initialized');
+        resolve();
+      });
+    });
+  });
+};
+
+export const getAMQP = (): amqp.Channel | null => {
+  return amqpChannel;
+};
+
+export const initQueues = (instanceName: string, events: string[]) => {
+  if (!events || !events.length) return;
+
+  const queues = events.map((event) => {
+    return `${event.replace(/_/g, '.').toLowerCase()}`;
+  });
+
+  queues.forEach((event) => {
+    const amqp = getAMQP();
+    const exchangeName = instanceName ?? 'evolution_exchange';
+
+    amqp.assertExchange(exchangeName, 'topic', {
+      durable: true,
+      autoDelete: false,
+    });
+
+    const queueName = `${instanceName}.${event}`;
+
+    amqp.assertQueue(queueName, {
+      durable: true,
+      autoDelete: false,
+      arguments: {
+        'x-queue-type': 'quorum',
+      },
+    });
+
+    amqp.bindQueue(queueName, exchangeName, event);
+  });
+};
+
+export const removeQueues = (instanceName: string, events: string[]) => {
+  if (!events || !events.length) return;
+
+  const channel = getAMQP();
+
+  const queues = events.map((event) => {
+    return `${event.replace(/_/g, '.').toLowerCase()}`;
+  });
+
+  const exchangeName = instanceName ?? 'evolution_exchange';
+
+  queues.forEach((event) => {
+    const amqp = getAMQP();
+
+    amqp.assertExchange(exchangeName, 'topic', {
+      durable: true,
+      autoDelete: false,
+    });
+
+    const queueName = `${instanceName}.${event}`;
+
+    amqp.deleteQueue(queueName);
+  });
+
+  channel.deleteExchange(exchangeName);
+};