app.py

from bot_config import API_BASE_URL, validate_env_variables
# from gh_oauth_token import get_token, store_token
from gh_utils import make_github_rest_api_call
from webhook_handlers import add_pr_comment

import json
import logging
import requests
import sys
import datetime
import traceback
import markdown2

from flask import Flask, request, redirect, render_template
from objectify_json import ObjectifyJSON

log = logging.getLogger(__name__)

# Create the Flask App.
app = Flask(__name__)


"""
STATIC PAGES
==============
These pages basically just show static HTML

"""
@app.route('/')
def welcome():
    """Welcome page"""
    return render_template("index.html", readme_html=markdown2.markdown_path("./README.md"))


"""
AUTH ROUTES
============

Dynamic routes that are needed to facilitate the authentication flow

We will let you know when it's appropriate to un-comment this
"""

# @app.route("/authenticate/<app_id>", methods=["GET"])
# def authenticate(app_id):
#     """Incoming Installation Request. Accept and get a new token."""
#     try:
#         app_id = str(app_id)
#         installation_id = request.args.get('installation_id')
#         store_token(get_token(app_id, installation_id))

#     except Exception:
#         log.error("Unable to get and store token.")
#         traceback.print_exc(file=sys.stderr)

#     return redirect("https://www.github.com", code=302)


@app.route('/webhook', methods=['POST'])
def process_message():
    """
    WEBHOOK RECEIVER
    ==================
    If you have set up your webhook forwarding tool (i.e., smee) properly, webhook
    payloads from github end up being sent to your python app as POST requests
    to
        http://localhost:5000/webhook

    If you don't see expected payloads arrive here, please check the following

    - Is your github repo configured to deliver webhooks to a https://smee.io URL?
    - Is your github repo configured to deliver webhook payloads for the right EVENTS?
    - Is your webhook forwarding tool (i.e., pysmee or smee-client) running?
    - Is github SENDING webhooks to the same https://smee.io URL you're RECEIVING from?

    """
    webhook = ObjectifyJSON(request.json)
    log.info(
        f'Incoming webhook [{webhook.action}]: {json.dumps(webhook,  sort_keys=True, indent=4)}')

    # Let's react only when a new Pull Requests has been opened.
    if request.headers['X-Github-Event'] == 'pull_request' and str(webhook.action).lower() == 'opened':
        # This webhooks has this schema - https://developer.github.com/v3/activity/events/types/#pullrequestevent
        add_pr_comment(webhook)
    else:
        log.info("Irrelavant webhook.")

    return 'GOOD'


if __name__ == 'app' or __name__ == '__main__':
    print(
        f'\n\033[96m\033[1m--- STARTING THE APP: [{datetime.datetime.now().strftime("%m/%d, %H:%M:%S")}] ---\033[0m \n')
    validate_env_variables()
    app.run()