from flask import Flask, request, jsonify
import json

app = Flask(__name__)


# Register Dapr pub/sub subscriptions
@app.route('/dapr/subscribe', methods=['GET'])
def subscribe():
    subscriptions = [{'pubsubname': 'order_pub_sub',
                      'topic': 'orders', 'route': 'orders'}]
    print('Dapr pub/sub is subscribed to: ' + json.dumps(subscriptions))
    return jsonify(subscriptions)


# Dapr subscription in /dapr/subscribe sets up this route
@app.route('/orders', methods=['POST'])
def orders_subscriber():
    event_orderid = request.json['data']['orderid']
    print('Subscriber received : ' + json.dumps(event_orderid), flush=True)
    return json.dumps({'success': True}), 200, {
        'ContentType': 'application/json'}


app.run(port=5001)