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# authentication/views.py
from django.contrib.auth.models import User
from django.contrib.auth import authenticate
from django.http import JsonResponse
from rest_framework.views import APIView
from django.views.decorators.csrf import csrf_exempt
import json
from rest_framework_simplejwt.tokens import RefreshToken
from rest_framework.permissions import IsAuthenticated, AllowAny
from django.core.mail import send_mail
import random
from django.utils import timezone
from datetime import timedelta
from .models import UserData
# In-memory storage for OTPs (use a persistent storage in production)
OTP_STORAGE = {}
class RegisterView(APIView):
authentication_classes = ()
permission_classes = () # Allow any
def post(self, request):
try:
data = json.loads(request.body)
email = data.get('email')
password = data.get('password')
first_name = data.get('first_name')
last_name = data.get('last_name')
if User.objects.filter(email=email).exists():
return JsonResponse({'error': 'Email already exists'}, status=400)
user = User.objects.create_user(
username=email,
email=email,
password=password,
first_name=first_name,
last_name=last_name
)
user.save()
otp = random.randint(100000, 999999)
OTP_STORAGE[email] = {
'otp': otp,
'expires_at': timezone.now() + timedelta(minutes=10) # OTP valid for 10 minutes
}
print(otp)
# Send OTP via email
send_mail(
'Password Reset OTP',
f'Your OTP for password reset is {otp}',
'[email protected]', # Replace with your email
[email],
fail_silently=False,
)
return JsonResponse({'message': 'User registered successfully'}, status=201)
except Exception as e:
return JsonResponse({'error': str(e)}, status=400)
class LoginView(APIView):
permission_classes = [AllowAny]
def post(self, request):
try:
data = json.loads(request.body)
username = data.get('username')
password = data.get('password')
user = authenticate(username=username, password=password)
if user is not None:
refresh = RefreshToken.for_user(user)
userDataObj = UserData.objects.get(user=user)
userData ={}
userData['email'] = user.email
userData['first_name'] = user.first_name
userData['last_name'] = user.last_name
userData['access'] = str(refresh.access_token)
userData['refresh'] = str(refresh)
userData["phone"] = userDataObj.phone
userData["refCode"] = userDataObj.refCode
userData["birthDate"] = userDataObj.birthDate
userData["gender"] = userDataObj.gender
userData["streetName"] = userDataObj.streetName
userData["city"] = userDataObj.city
userData["state"] = userDataObj.state
userData["country"] = userDataObj.country
userData["pincode"] = userDataObj.pincode
userData["rewardPoints"] = userDataObj.rewardPoints
userData["isVerified"] = userDataObj.isVerified
userData["isSubscribed"] = userDataObj.isSubscribed
userData["isBlocked"] = userDataObj.isBlocked
userData["isDeleted"] = userDataObj.isDeleted
return JsonResponse(userData, status=200)
else:
return JsonResponse({'error': 'Invalid credentials'}, status=401)
except Exception as e:
print(e)
return JsonResponse({'error': str(e)}, status=400)
class LogoutView(APIView):
permission_classes = [IsAuthenticated]
def post(self, request):
refresh_token = request.data.get('refresh')
if not refresh_token:
return JsonResponse({
'error': 'Refresh token is required',
'status': 'error'
}, status=400)
else:
try:
refresh = RefreshToken(refresh_token)
refresh.blacklist()
return JsonResponse({
'status': 'success',
'message': 'Successfully logged out'
})
except :
return JsonResponse({
"error": "Invalid token",
"status": "error"
}, status=400)
class RequestPasswordResetView(APIView):
authentication_classes = ()
permission_classes = () # Allow any
def post(self, request):
try:
data = json.loads(request.body)
email = data.get('email')
if not email:
return JsonResponse({'error': 'Email is required'}, status=400)
try:
user = User.objects.get(email=email)
except User.DoesNotExist:
return JsonResponse({'error': 'User with this email does not exist'}, status=400)
# Generate OTP
otp = random.randint(100000, 999999)
OTP_STORAGE[email] = {
'otp': otp,
'expires_at': timezone.now() + timedelta(minutes=10) # OTP valid for 10 minutes
}
print(otp)
# Send OTP via email
send_mail(
'Password Reset OTP',
f'Your OTP for password reset is {otp}',
'[email protected]', # Replace with your email
[email],
fail_silently=False,
)
return JsonResponse({'message': 'OTP sent to email'}, status=200)
except Exception as e:
return JsonResponse({'error': str(e)}, status=400)
class ResendOTPView(APIView):
authentication_classes = ()
permission_classes = () # Allow any
def post(self, request):
try:
data = json.loads(request.body)
email = data.get('email')
if not email:
return JsonResponse({'error': 'Email is required'}, status=400)
try:
user = User.objects.get(email=email)
except User.DoesNotExist:
return JsonResponse({'error': 'User with this email does not exist'}, status=400)
# Generate new OTP
otp = random.randint(100000, 999999)
OTP_STORAGE[email] = {
'otp': otp,
'expires_at': timezone.now() + timedelta(minutes=10) # OTP valid for 10 minutes
}
print(otp)
# Send OTP via email
send_mail(
'Password Reset OTP',
f'Your new OTP for password reset is {otp}',
'[email protected]', # Replace with your email
[email],
fail_silently=False,
)
return JsonResponse({'message': 'OTP resent to email'}, status=200)
except Exception as e:
return JsonResponse({'error': str(e)}, status=400)
class ResetPasswordView(APIView):
authentication_classes = ()
permission_classes = () # Allow any
def post(self, request):
try:
data = json.loads(request.body)
email = data.get('email')
otp = data.get('otp')
new_password = data.get('new_password')
if not all([email, otp, new_password]):
return JsonResponse({'error': 'All fields are required'}, status=400)
otp_record = OTP_STORAGE.get(email)
if not otp_record:
return JsonResponse({'error': 'OTP not found. Please request a new one.'}, status=400)
if timezone.now() > otp_record['expires_at']:
del OTP_STORAGE[email]
return JsonResponse({'error': 'OTP has expired. Please request a new one.'}, status=400)
if int(otp) != otp_record['otp']:
return JsonResponse({'error': 'Invalid OTP'}, status=400)
try:
user = User.objects.get(email=email)
except User.DoesNotExist:
return JsonResponse({'error': 'User with this email does not exist'}, status=400)
user.set_password(new_password)
user.save()
# Remove OTP after successful reset
del OTP_STORAGE[email]
return JsonResponse({'message': 'Password reset successful'}, status=200)
except Exception as e:
return JsonResponse({'error': str(e)}, status=400)
class refreshTokenView(APIView):
def post(self, request):
try:
data = json.loads(request.body)
refresh = data.get('refresh')
token = RefreshToken(refresh)
access = str(token.access_token)
return JsonResponse({'access': access}, status=200)
except Exception as e:
return JsonResponse({'error': str(e)}, status=400)
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