id-card-reader/controller.py at master · nfls/id-card-reader · GitHub

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from requests_futures.sessions import *
from model import *
import onetimepass
import redis
from datetime import *
from threading import Timer


class Controller:
    __lock = False
    date = datetime.now()
    list = []
    r = redis.Redis(host='localhost', port=6379, decode_responses=True)

    def __init__(self):
        db.connect(reuse_if_open=True)
        Log.create_table()
        Card.create_table()

    def check_data(self, id, code):
        #print(self.__lock)
        if self.__lock:
            return None, False

        if id is 0 and code == "update":
            self.__update_data()
            return None, True
        elif code == "reset":
            self.clean()
            return None, True
        try:
            card = Card.get(Card.user == id)
            if onetimepass.valid_totp(code, card.code, token_length=8, interval_length=15):
                Log.create(card=card.user).save()
                return card, True
            else:
                if onetimepass.valid_totp(code, card.code, token_length=8, interval_length=180):
                    Log.create(card=card.user).save()
                    return card, True
                else:
                    return card, False
        except DoesNotExist:
            #print("NO")
            return None, False

    def check_name(self, name):
        try:
            card = Card.get(Card.chineseName == name)
            # print(self.r.get(card.get_id()))
            if self.r.get(card.get_id()) == '2':
                return card, False
            self.write_redis(card)
            # Log.create(card=card.user).save()
            return card, True
        except DoesNotExist:
            return None, False

    def write_redis(self, card):
        self.r.set(card.get_id(), "2")
        self.r.expire(card.get_id(), 3600)

    def clean(self):
        self.r.flushall()

    def __update_data(self):
        try:
            session = FuturesSession()
            session.post("https://nfls.io/user/card", data={
                "action": "fetch",
                "key": "2a8d656df6cacdb73aa9e0fd206c240d2a261f67"
            }, background_callback=lambda session, response: self.__update_callback(response))
        except Exception:
            return

    def __update_callback(self, response):
        users = response.json()["data"]
        self.__lock = True
        Card.drop_table()
        Card.create_table()
        for user in users:
            card = Card.create(user=user["id"], username=user["username"], englishName=user["englishName"], chineseName=user["chineseName"], className=user["class"], code=user["code"])
            card.save()

        self.date = datetime.now()
        self.__lock = False