ice_breaking_challenge/qr.py

from collections import Counter

from flask import Blueprint
from flask import flash
from flask import g
from flask import redirect
from flask import render_template
from flask import request
from flask import url_for
from werkzeug.exceptions import abort
from flask import session

from threading import Thread

from .auth import login_required
from .db import get_db
from ice_breaking_challenge.google_sheets import get_team_numbers

from background_task import background_task


bp = Blueprint("qr", __name__, url_prefix="/qr")


@bp.route("/", methods=["GET", "POST"])
def qr() -> None:
    match request.method:
        case "GET":
            return render_template("qr.html")

        case "POST":   # qr.html에서 `다음` 버튼 눌렀을 때
            counter = Counter(get_team_numbers())
            if session.get("team_number") not in counter:
                flash("해당 팀 번호가 존재하지 않습니다.")
                return render_template("index.html")
            if counter[session.get("team_number")] == session["team_size"]:
                Thread(target=background_task).start()  
                return render_template("introduction.html")
            else:
                flash("설문을 완료하지 않은 팀원이 있습니다.")
                return render_template("qr.html")