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app.py
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app.py
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from urllib.parse import quote
import os
import psycopg2
from flask import Flask, render_template, request, session, redirect, url_for
import requests
from secrets import CLIENT_SECRET
import create_tables
app = Flask(__name__)
app.secret_key = "jose"
DISCORD_AUTH_URL = "https://discordapp.com/api/oauth2/authorize"
DISCORD_TOKEN_URL = "https://discordapp.com/api/oauth2/token"
DISCORD_GET_CURRENT_USER = "https://discordapp.com/api/users/@me"
DATABASE_URI = os.environ.get("DATABASE_URL", "postgres://postgres:1234@localhost:5432/polling")
CLIENT_ID = "654393272189321237"
DISCORD_REDIRECT_URI = os.environ.get("DISCORD_AUTH_REDIRECT", "http://127.0.0.1:5000/authorize")
QUOTED_DISCORD_REDIRECT_URI = quote(DISCORD_REDIRECT_URI, safe="")
FINAL_URI = f"{DISCORD_AUTH_URL}?client_id={CLIENT_ID}&redirect_uri={QUOTED_DISCORD_REDIRECT_URI}&response_type=code&scope=identify"
@app.route("/")
def home():
return render_template("home.html", discord_uri=FINAL_URI)
@app.route("/authorize")
def authorize():
code = request.args.get("code")
data = {
'client_id': CLIENT_ID,
'client_secret': CLIENT_SECRET,
'grant_type': 'authorization_code',
'code': code,
'redirect_uri': DISCORD_REDIRECT_URI,
'scope': 'identify'
}
headers = {
'Content-Type': 'application/x-www-form-urlencoded'
}
response = requests.post(DISCORD_TOKEN_URL, data=data, headers=headers)
access_token = response.json().get("access_token")
resp = requests.get(DISCORD_GET_CURRENT_USER, headers={"Authorization": f"Bearer {access_token}"})
json_data = resp.json()
session["username"] = json_data.get("username")
session["discriminator"] = json_data.get("discriminator")
if session.get('poll_id'):
return redirect(url_for('poll', poll_id=session['poll_id']))
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute("SELECT * FROM polls ORDER BY poll_id DESC LIMIT 1")
latest_poll = cur.fetchone()
if not latest_poll:
return redirect(url_for("create_poll"))
latest_poll_id = latest_poll[0]
cur.execute("SELECT * FROM polls JOIN options on polls.poll_id = options.poll_id WHERE polls.poll_id = %s", (latest_poll_id,))
poll = cur.fetchall()
title = poll[0][1]
return render_template("latest.html", title=title, poll=poll, poll_id=latest_poll_id, discord_uri=FINAL_URI)
@app.route("/poll/<int:poll_id>")
def poll(poll_id):
session['poll_id'] = poll_id
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute("SELECT * FROM polls JOIN options on polls.poll_id = options.poll_id WHERE polls.poll_id = %s", (poll_id,))
poll = cur.fetchall()
title = poll[0][1]
return render_template("latest.html", title=title, poll=poll, poll_id=poll_id, discord_uri=FINAL_URI)
@app.route("/vote/<int:poll_id>", methods=["POST"])
def vote(poll_id):
selected_vote = request.form.get("vote")
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute(
"INSERT INTO votes (username, discriminator, vote, poll_id) VALUES (%s, %s, %s, %s)",
(session['username'], session['discriminator'], selected_vote, poll_id)
)
cur.execute("SELECT option_text FROM options WHERE option_id = %s;", (selected_vote,))
option_name = cur.fetchone()[0]
return render_template("vote_success.html", option=option_name)
@app.route("/view/<int:poll_id>")
def view_poll(poll_id):
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute("SELECT * FROM polls WHERE poll_id = %s", (poll_id,))
poll = cur.fetchone()
owner_viewing = False
if session.get("username") and session.get("discriminator"):
owner_viewing = poll[2] == session['username'] and poll[3] == session['discriminator']
cur.execute("""
SELECT options.option_id, options.option_text, COUNT(votes.vote) as count, COUNT(votes.vote) * 100.0 / sum(count(votes.vote)) over() as percentage FROM options
LEFT JOIN votes on options.option_id = votes.vote
WHERE options.poll_id = %s
GROUP BY options.option_id, options.option_text;""", (poll_id,))
votes = cur.fetchall()
return render_template("view_poll.html", poll=poll, votes=votes, owner_viewing=owner_viewing, discord_uri=FINAL_URI)
@app.route("/create_poll", methods=["GET", "POST"])
def create_poll():
if request.method == "POST":
title = request.form.get("title")
option_keys = ["option1", "option2", "option3", "option4"]
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute("INSERT INTO polls (title, owner, owner_discriminator) VALUES (%s, %s, %s) RETURNING poll_id", (title, session['username'], session['discriminator']))
last_inserted_id = cur.fetchone()[0]
options = [(request.form.get(option), last_inserted_id) for option in option_keys if request.form.get(option)]
cur.executemany("INSERT INTO options (option_text, poll_id) VALUES (%s, %s)", options)
return redirect(url_for("poll", poll_id=last_inserted_id))
return render_template("create_poll.html", discord_uri=FINAL_URI)
@app.route("/manage_polls")
def manage_polls():
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute("SELECT * FROM polls WHERE owner = %s AND owner_discriminator = %s",
(session["username"], session["discriminator"]))
return render_template("manage_polls.html", polls=cur.fetchall())
@app.route("/logout")
def logout():
session.clear()
return redirect(url_for("home"))
@app.route("/pick_winner/<int:option_id>")
def pick_winner(option_id):
with psycopg2.connect(DATABASE_URI) as connection:
with connection.cursor() as cur:
cur.execute("SELECT * FROM votes WHERE vote = %s", (option_id,))
voters = cur.fetchall()
cur.execute("SELECT * FROM votes WHERE vote = %s ORDER BY RANDOM() LIMIT 1;", (option_id,))
random_winner = cur.fetchone()
return render_template("winner.html", option_id=option_id, voters=voters, winner_username=random_winner[0], winner_discriminator=random_winner[1])