webhook_handlers.py

import logging
from gh_utils import make_github_rest_api_call

"""
SPECIALIZED WEBHOOK HANDLERS 
=======================

Becaue we may receive many webhooks for many different reasons, it's a good idea
to "hand off" control from `process_message()` to a dedicated function ASAP.

This is a good place for these specialized handlers

"""
log = logging.getLogger(__name__)


def add_pr_comment(webhook):
    log.info('New Pull Request opened. Adding comment.')

    # Gather the requried information from the payload to send a successful request to GitHub REST API.
    repo_full_name = str(webhook.repository.full_name)
    pr_number = str(webhook.pull_request.number)

    comments_url = f'repos/{repo_full_name}/issues/{pr_number}/comments'

    # Make the API call.
    make_github_rest_api_call(
        comments_url,
        'POST', {
            'body': "Hello there, thanks for creating a new Pull Request!"
        }
    )