rewrite on sync messages

basharin_sevastyan_lab_3/docker-compose.yaml

@@ -1,34 +1,23 @@
 version: '3.8'
 
 services:
-  rabbitmq:
-    image: "rabbitmq:management"
-    ports:
-      - "5672:5672"
-      - "15672:15672"
-    networks:
-      - my_network
-    restart: always
-
   user-service:
     build:
       context: ./user_service
     ports:
       - "5001:5001"
-    depends_on:
-      - rabbitmq
     networks:
       - my_network
+    restart: always
 
   order-service:
     build:
       context: ./order_service
     ports:
       - "5002:5002"
-    depends_on:
-      - rabbitmq
     networks:
       - my_network
+    restart: always
 
   nginx:
     image: nginx:latest
@@ -41,6 +30,7 @@ services:
       - my_network
     volumes:
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf
+    restart: always
 
 networks:
   my_network:

basharin_sevastyan_lab_3/order_service/order_service.py

@@ -1,16 +1,16 @@
 # order_service.py
 from flask import Flask, request, jsonify
-import pika
-import json
-import time
+import requests
 
 app = Flask(__name__)
 
 # Конфигурация RabbitMQ
-time.sleep(20)
-connection = pika.BlockingConnection(pika.ConnectionParameters('rabbitmq'))
-channel = connection.channel()
-channel.queue_declare(queue='order_queue', durable=True)
+# time.sleep(20)
+# connection = pika.BlockingConnection(pika.ConnectionParameters('rabbitmq'))
+# if connection:
+#     print(f'Connect to RabbitMQ')
+# channel = connection.channel()
+# channel.queue_declare(queue='order_service', durable=True)
 orders = []
 
 
@@ -29,7 +29,8 @@ def create_order(user_id, product, action):
              'action': action}
     orders.append(order)
     # Отправка сообщения о создании заказа
-    channel.basic_publish(exchange='microservices', routing_key='order', body=bytes(json.dumps(order)))
+    requests.post("http://localhost/order-service/event", json=order)
+    #channel.basic_publish(exchange='', routing_key='order_service', body=json.dumps(order).encode('utf-8'),properties=pika.BasicProperties(delivery_mode=2,  # make message persistent))
 
     return jsonify(order)
 
@@ -54,8 +55,10 @@ def update_order(order_id, user_id, product, action):
     if order:
         order['user_id'] = user_id
         order['product'] = product
-        order['action'] = action# Отправка сообщения об обновлении заказа
-        channel.basic_publish(exchange='microservices', routing_key='order', body=bytes(json.dumps(order)))
+        order['action'] = action
+        # Отправка сообщения об обновлении заказа
+        requests.post("http://localhost/order-service/event", json=order)
+        #channel.basic_publish(exchange='', routing_key='order_service', body=json.dumps(order).encode('utf-8'), properties=pika.BasicProperties(delivery_mode=2,  # make message persistent))
         return jsonify(order)
     else:
         return jsonify({'error': 'Order not found'})
@@ -69,7 +72,8 @@ def delete_order(order_id):
     orders = [order for order in orders if order['id'] != order]
 
     # Отправка сообщения об удалении заказа
-    channel.basic_publish(exchange='microservices', routing_key='order', body=bytes(json.dumps(order)))
+    requests.post("http://localhost/order-service/event", json=order)
+    #channel.basic_publish(exchange='', routing_key='order_service', body=json.dumps(order).encode('utf-8'), properties=pika.BasicProperties(delivery_mode=2,  # make message persistent ))
 
     return jsonify({'result': True})
 

basharin_sevastyan_lab_3/order_service/requirements.txt

@@ -1,3 +1,2 @@
 Flask==3.0.0
-pika==1.3.2
-gunicorn==21.2.0
+requests==2.31.0

basharin_sevastyan_lab_3/user_service/requirements.txt

@@ -1,3 +1,2 @@
 Flask==3.0.0
-pika==1.3.2
-gunicorn==21.2.0
+requests==2.31.0

basharin_sevastyan_lab_3/user_service/user_service.py

@@ -1,36 +1,82 @@
 # user_service.py
+import json
 import time
 from flask import Flask, request, jsonify
-import pika
-import json
-import threading
 
 app = Flask(__name__)
 users = []
 
 
-# Конфигурация RabbitMQ
-def connect_to_rabbitmq():
-    retries = 5
-    while retries > 0:
-        try:
-            connection = pika.BlockingConnection(pika.ConnectionParameters('rabbitmq'))
-            channel = connection.channel()
-            channel.exchange_declare(exchange='microservices', exchange_type='direct')
-            channel.queue_declare(queue='order_service', durable=True)
-            channel.queue_bind(exchange='microservices', queue='order_service', routing_key='order')
-            channel.basic_consume(queue='order_service', on_message_callback=process_order_message, auto_ack=True)
-            print('Waiting for messages. To exit press CTRL+C')
-            channel.start_consuming()
-        except pika.exceptions.AMQPConnectionError:
-            print("Failed to connect to RabbitMQ. Retrying...")
-            retries -= 1
-            time.sleep(5)
-
-
 # Обработка сообщений о заказах
-def process_order_message(ch, method, properties, body):
-    data = json.loads(body)
+# def process_order_message(ch, method, properties, body: bytes):
+#     data = json.loads(body.decode('utf-8'))
+#     user_id = data.get('user_id')
+#
+#     if data['action'] == 'create':
+#         # Создание заказа у пользователя
+#         user = next((user for user in users if user['id'] == user_id), None)
+#         if user:
+#             order_id = len(user.get('orders', [])) + 1
+#             order = {'id': order_id, 'product': data['product']}
+#             user.setdefault('orders', []).append(order)
+#             print(f"Order created for user {user_id}: {order}")
+#         else:
+#             print(f"User not found for order creation: {user_id}")
+#
+#     elif data['action'] == 'update':
+#         # Обновление заказа у пользователя
+#         user = next((user for user in users if user['id'] == user_id), None)
+#         if user:
+#             order_id = data.get('order_id')
+#             order = next((order for order in user['orders'] if order['id'] == order_id), None)
+#             if order:
+#                 order['product'] = data['product']
+#                 print(f"Order updated for user {user_id}: {order}")
+#             else:
+#                 print(f"Order not found for update: {order_id}")
+#         else:
+#             print(f"User not found for order update: {user_id}")
+#
+#     elif data['action'] == 'delete':
+#         # Удаление заказа у пользователя
+#         user = next((user for user in users if user['id'] == user_id), None)
+#         if user:
+#             order_id = data.get('order_id')
+#             user['orders'] = [order for order in user.get('orders', []) if order['id'] != order_id]
+#             print(f"Order deleted for user {user_id}: {order_id}")
+#         else:
+#             print(f"User not found for order deletion: {user_id}")
+#     ch.basic_ack(delivery_tag=method.delivery_tag)
+
+
+# first_con = True
+# # Конфигурация RabbitMQ
+# def connect_to_rabbitmq():
+#     global first_con
+#     if first_con:
+#         time.sleep(15)
+#         first_con = False
+#     credentials = pika.PlainCredentials(username="guest", password="guest")
+#     connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq', credentials=credentials))
+#     channel = connection.channel()
+#     channel.queue_declare(queue='order_service', durable=True)
+#     channel.basic_qos(prefetch_count=1)
+#
+#     def callback(ch, method, properties, body):
+#         process_order_message(ch, method, properties, body)
+#         ch.close()
+#
+#     channel.basic_consume(queue='order_service', on_message_callback=callback, auto_ack=False)
+#     print('Waiting for messages. To exit press CTRL+C')
+#     while True:
+#         connection.process_data_events(time_limit=1)
+
+# CRUD операции для пользователей
+# READ ALL
+@app.route('/event')
+def event():
+    data = request.get_json()
+    print(data)
     user_id = data.get('user_id')
 
     if data['action'] == 'create':
@@ -68,9 +114,6 @@ def process_order_message(ch, method, properties, body):
         else:
             print(f"User not found for order deletion: {user_id}")
 
-
-# CRUD операции для пользователей
-# READ ALL
 @app.route('/users', methods=['GET'])
 def show_users():
     return users
@@ -115,7 +158,5 @@ def delete_user(user_id):
 
 
 if __name__ == '__main__':
-    # Запускаем обработчик RabbitMQ в отдельном потоке
-    rabbitmq_thread = threading.Thread(target=connect_to_rabbitmq())
-    rabbitmq_thread.start()
+    #connect_to_rabbitmq()
     app.run(port=5001)