회원가입, 로그인 구현

import json,re,jwt,bcrypt

from django.http import JsonResponse
from django.views import View

from my_settings import SECRET_KEY, ALGORITHM
from .models import User

class SignUpView(View):
def post(self, request):
try:
data = json.loads(request.body)
email_regax = "^\w+([.-]?\w+)@\w+([.-]?\w+)(.\w{3,10})+" password_regax = "^\.*(?=^.{8,20})(?=.\d)(?=.[a-zA-Z])(?=.[!@#$%^&+=])." #특수문자,문자,숫자 포함 형태의 8~20자리 이내의 암호 정규식 name_regax = "^[ㄱ-힣]{2,4}|[a-zA-Z]{2,10}"
phone_number_regax = "\d{3}-\d{4}-\d{4}"
hashed_password = bcrypt.hashpw(data['password'].encode('utf-8'),bcrypt.gensalt())

        if not re.match(email_regax, data['email']):
            return JsonResponse({"message":"INVALID_"}, status=400)

        if User.objects.filter(email=data['email']):
            return JsonResponse({"message":"DUPLICATED_EMAIL"}, status=401)

        if len(data['password']) < 8 and not re.match(password_regax, data['password']):
            return JsonResponse({"message":"INVALID_PASSWORD"}, status=400)

        if not re.match(name_regax, data['name']):
            return JsonResponse({"message":"INVALID_NAME"}, status=400)

        if not re.match(phone_number_regax, data['phone_number']):
            return JsonResponse({"message":"INVALID_PHONE_NUMBER"}, status=400)

        User.objects.create(
            email        = data['email'],
            password     = hashed_password.decode('utf-8'), 
            name         = data['name'],
            phone_number = data['phone_number']
        )
        return JsonResponse({'message':'SUCCESS'}, status = 201)

    except KeyError:
        return JsonResponse({'message':'KEY_ERROR'}, status = 400)
    except User.DoesNotExist:
        return JsonResponse({'message':'INVALID_USER'}, status = 400)

class SignInView(View):
def post(self, request):
try:
data = json.loads(request.body)
users = User.objects.get(email = data['email'])

        if bcrypt.checkpw(data['password'].encode('utf-8'),users.password.encode('utf-8')):
            acess_token = jwt.encode({'id':users.id}, SECRET_KEY, ALGORITHM)

            return JsonResponse({'acess_token':acess_token}, status = 200)
        else:
            return JsonResponse({'message':'INVALID_PASSWORD'}, status = 401)

    except KeyError:
        return JsonResponse({'message':'KEY_ERROR'}, status = 400)
    except User.DoesNotExist:
        return JsonResponse({'message':'INVALID_USER'}, status = 400)