pbr-ayct-backend/ayct_backend/twitter/__init__.py

from requests_oauthlib import OAuth1Session
from flask import Blueprint, Response, current_app, request, jsonify
from ayct_backend.twitter.models import *
from ayct_backend.firebase import verify_token

twitter = Blueprint('twitter', __name__)

@twitter.route('/account', methods=['GET'])
def get_twitter_accounts():
    decoded_token = verify_token(request.headers)
    if not decoded_token:
        return "Not authorised!", 401

    user_id = decoded_token['sub']

    twitter_accounts = TwitterAccount.query.filter_by(user_id=user_id)

    accounts = []

    for account in twitter_accounts:
        account_data = {}
        account_data['twitter_account_id'] = account.twitter_account_id
        account_data['username'] = account.username
        accounts.append(account_data)

    return jsonify({
        "twitter_accounts": accounts
    }), 200

@twitter.route('/account', methods=['POST'])
def add_twitter_account():
    decoded_token = verify_token(request.headers)
    if not decoded_token:
        return "Not authorised!", 401

    user_id = decoded_token['sub']

    content_type = request.headers.get('Content-Type')
    if (content_type == 'application/json'):
        json = request.json
        if not json['veryfier'] or not json['oauth_token'] or not json['oauth_token_secret']:
            return "Invalid request!", 400
        else:
            consumer_key = current_app.config["TWITTER_CONSUMER_KEY"]
            consumer_secret = current_app.config["TWITTER_CONSUMER_SECERT"]

            access_token_url = "https://api.twitter.com/oauth/access_token"
            oauth = OAuth1Session(
                consumer_key,
                client_secret=consumer_secret,
                resource_owner_key=json['oauth_token'],
                resource_owner_secret=json['oauth_token_secret'],
                verifier=json['veryfier'],
            )
            oauth_tokens = oauth.fetch_access_token(access_token_url)

            new_twitter_account = TwitterAccount(
                user_id = user_id,
                twitter_account_id = oauth_tokens['user_id'],
                username = oauth_tokens['screen_name'],
                access_token = oauth_tokens['oauth_token'],
                access_token_secret = oauth_tokens['oauth_token_secret']
            )

            twitter_db.session.add(new_twitter_account)
            twitter_db.session.commit()
            
            return "Twitter account succesfully added.", 201
    else:
        return "Content-type not supported!", 400