Image 1 showing no parameters in swagger UI

Image 2 showing registration endpoint upon registration

Image 3 showing login endpoint upon login

Below are my code snippets in views.py

from rest_framework.response import Response
from rest_framework import status
from rest_framework.generics import GenericAPIView
from rest_framework.views import APIView
from account.serializers import (
    SendPasswordResetEmailSerializer,
    UserChangePasswordSerializer,
    UserLoginSerializer,
    UserPasswordResetSerializer,
    UserProfileSerializer,
    UserRegistrationSerializer,
)
from django.contrib.auth import authenticate
from account.renderers import UserRenderer
from rest_framework_simplejwt.tokens import RefreshToken
from rest_framework.permissions import IsAuthenticated
from drf_yasg.utils import swagger_auto_schema

Generate Token Manually

def get_tokens_for_user(user):
    refresh = RefreshToken.for_user(user)
    return {
        "refresh": str(refresh),
        "access": str(refresh.access_token),
    }

class UserRegistrationView(GenericAPIView):
    renderer_classes = [UserRenderer]

    def post(self, request, format=None):
        serializer = UserRegistrationSerializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        user = serializer.save()
        token = get_tokens_for_user(user)
        return Response(
            {"token": token, "msg": "Registration Successful"},
            status=status.HTTP_201_CREATED,
        )

UserLoginView

class UserLoginView(APIView):
    renderer_classes = [UserRenderer]

    def post(self, request, format=None):
        serializer = UserLoginSerializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        email = serializer.data.get("email")
        password = serializer.data.get("password")
        user = authenticate(email=email, password=password)

UserLoginView cont'd

        if user is not None:
            token = get_tokens_for_user(user)
            return Response(
                {"token": token, "msg": "Login Success"}, status=status.HTTP_200_OK
            )
        else:
            return Response(
                {"errors": {"non_field_errors": ["Email or Password is not Valid"]}},
                status=status.HTTP_404_NOT_FOUND,
            )

UserProfileView

class UserProfileView(APIView):
    renderer_classes = [UserRenderer]
    permission_classes = [IsAuthenticated]

    def get(self, request, format=None):
        serializer = UserProfileSerializer(request.user)
        return Response(serializer.data, status=status.HTTP_200_OK)

#UserChangePasswordView

class UserChangePasswordView(APIView):
    renderer_classes = [UserRenderer]
    permission_classes = [IsAuthenticated]

    def post(self, request, format=None):
        serializer = UserChangePasswordSerializer(
            data=request.data, context={"user": request.user}
        )
        serializer.is_valid(raise_exception=True)
        return Response(
            {"msg": "Password Changed Successfully"}, status=status.HTTP_200_OK
        )

SendPasswordResetEmailView

class SendPasswordResetEmailView(APIView):
    renderer_classes = [UserRenderer]

    def post(self, request, format=None):
        serializer = SendPasswordResetEmailSerializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        return Response(
            {"msg": "Password Reset link send. Please check your Email"},
            status=status.HTTP_200_OK,
        )

UserPasswordResetView

class UserPasswordResetView(APIView):
    renderer_classes = [UserRenderer]

    def post(self, request, uid, token, format=None):
        serializer = UserPasswordResetSerializer(
            data=request.data, context={"uid": uid, "token": token}
        )
        serializer.is_valid(raise_exception=True)
        return Response(
            {"msg": "Password Reset Successfully"}, status=status.HTTP_200_OK
        )