views.py

#meetup views
"""
  Contains functionality for the meetup endpoints
"""
from django.contrib.auth.models import User
from django.db.models import ProtectedError, Q
from django.shortcuts import get_object_or_404
from drf_yasg.utils import swagger_auto_schema
from rest_framework import status
from rest_framework.permissions import IsAdminUser
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework.views import APIView

from .models import Meeting
from .serializers import MeetingSerializer, MeetingSerializerClass

# Get, update or delete a meetup
# meetups/1
class AMeeting(APIView):
    permission_classes = (IsAuthenticated,)
    serializer_class = MeetingSerializerClass
    
    @classmethod
    @swagger_auto_schema(
        operation_description="Edit a meetup",
        operation_id="Edit a specific",
        request_body=MeetingSerializer(many=False),
        responses={
            200: MeetingSerializer(many=False),
            401: "Unathorized Access",
            404: "Meeting Does not Exist",
        },
    )
    def put(cls, request, meeting_id):

        if not request.user.is_superuser:
            return Response(
                data={
                    "status": status.HTTP_401_UNAUTHORIZED,
                    "error": "Action restricted to Admins!",
                },
                status=status.HTTP_401_UNAUTHORIZED,
            )

        meetup = get_object_or_404(Meeting, pk=meeting_id)

        serializer = MeetingSerializer(meetup, data=request.data)
        if serializer.is_valid():
            serializer.save()

            result = dict(serializer.data)

            user = User.objects.filter(Q(id=result["created_by"])).distinct().first()
            result["created_by_name"] = user.username

            return Response(
                data={
                    "status": status.HTTP_200_OK,
                    "data": [
                        {
                            "meetup": result,
                            "success": "Meet updated successfully",
                        }
                    ],
                },
                status=status.HTTP_200_OK,
            )
        return Response(
            data={
                "status": status.HTTP_400_BAD_REQUEST,
                "error": serializer.errors,
            },
            status=status.HTTP_400_BAD_REQUEST,
        )

#link to full project source code https://github.com/kalsmic/questioner/blob/develop/meetup/views.py