main.py

from flask import Flask, redirect, request, render_template, session, jsonify
from spotifyactions import SpotifyActions
from dotenv import load_dotenv
import os
from ytmus import youtubemusic
from flask_cors import CORS
from urllib.parse import urlparse, parse_qs

#creating the object that will get data off of youtube music.
tube = youtubemusic()

#getting the env variables
load_dotenv()
client_id = os.getenv("CLIENT_ID")
client_secret = os.getenv("CLIENT_SECRET")
#init flask app.
app = Flask(__name__)
CORS(app)
app.secret_key = 'ration'
spotify_actions = SpotifyActions(client_id, client_secret)

#this method will receive the spotify auth code and then generate the access token and then creat the playlists.
@app.route('/spotify_callback', methods=["POST"])
def spotifycallback():
    inputData = request.json
    url = inputData[0]
    #the actual url is in inputData[0]
    #the playlists are in the form of dictionaries, situated within an array containing several dicts. so
    #use the following to access playlists: url[1][playlist_no]["dict key of playlist"]
    parsed_url = urlparse(url)
    params = parse_qs(parsed_url.query)
    code = params.get('code', [None])[0]
    # #now we generate an access token with the user code.
    access_token = spotify_actions.getuserToken(code)
    user_id = spotify_actions.getUserID(access_token=access_token)
    nameURLhashmap = {}
    for i in range(len(inputData[1])):
        output = spotify_actions.create_playlist(user_id,access_token,inputData[1][i]["title"],
                                              tube.getplaylist(inputData[1][i]["id"]),
                                              description=inputData[1][i]["description"],image=inputData[1][i]["image"])
        nameURLhashmap[i] = output
    return nameURLhashmap

@app.route('/data', methods=['POST'])
def receive_data():
    data = request.json
    array1 = data.split(" ")
    session["playlist_ids"] = array1 #we are saving the playlist ids in a flask session so we dont have to find them again.
    tube = youtubemusic()
    return jsonify(tube.getplaylistarray(array=array1)) 

@app.route("/spotify_redirect_url", methods=["GET"])
def sendUrl():
    return jsonify(spotify_actions.userAuth())

if __name__ == '__main__':
    app.run(debug=True)