app.py

"""
Copyright (c) Meta Platforms, Inc. and affiliates.
All rights reserved.

This source code is licensed under the license found in the
LICENSE file in the root directory of this source tree.
"""

import json
from flask import Flask, render_template, request
import flask
from message_helper import get_templated_message_input, get_text_message_input, send_message
from flights import get_flights

app = Flask(__name__)

with open('config.json') as f:
    config = json.load(f)

app.config.update(config)

@app.route("/")
def index():
    return render_template('index.html', name=__name__)

@app.route('/welcome', methods=['POST'])
async def welcome():
  data = get_text_message_input(app.config['RECIPIENT_WAID']
                                , 'Welcome to the Flight Confirmation Demo App for Python!');
  await send_message(data)
  return flask.redirect(flask.url_for('catalog'))

@app.route("/catalog")
def catalog():
    return render_template('catalog.html', title='Flight Confirmation Demo for Python', flights=get_flights())

@app.route("/buy-ticket", methods=['POST'])
async def buy_ticket():
  flight_id = int(request.form.get("id"))
  flights = get_flights()
  flight = next(filter(lambda f: f['flight_id'] == flight_id, flights), None)
  data = get_templated_message_input(app.config['RECIPIENT_WAID'], flight)
  await send_message(data)
  return flask.redirect(flask.url_for('catalog'))