use same rabittmq connection

utils/message_receiver.py

@@ -1,24 +1,19 @@
-import logging
 import threading
-from datetime import datetime
 
-import pika
+from params import rabittmq_connection
 
 APPOINTMENT_QUEUE = "APPOINTMENT_QUEUE"
 
 
 class MessageReceiver:
-    def __init__(self):
-        self._credentials = pika.PlainCredentials('scrapy_rabbitmq', '4x!hReCbA5v3heKWfPJV-Y')
 
     def start_listener(self, callback):
         t = threading.Thread(target=self._run, args=(callback,))
         t.start()
 
     def _run(self, callback):
-        connection = pika.BlockingConnection(
-            pika.ConnectionParameters(host='rabbitmq.lpaconsulting.fr', port=6672, credentials=self._credentials))
-        channel = connection.channel()
+
+        channel = rabittmq_connection.channel()
         channel.queue_declare(queue=APPOINTMENT_QUEUE)
         channel.basic_consume(queue=APPOINTMENT_QUEUE,
                               auto_ack=True,