views.py

from rest_framework import viewsets


from . import serializers
from . import models
from . import permissions
from rest_framework.response import Response
from rest_framework import status


class TasksViewSet(viewsets.ModelViewSet):
    serializer_class = serializers.TaskSerializer
    queryset = models.Task.objects.all()
    permission_classes = (permissions.IsStaffOrReadOnly, )


class SolutionViewSet(viewsets.ModelViewSet):
    serializer_class = serializers.SolutionSerializer
    queryset = models.Solution.objects.all()
    permission_classes = (permissions.SolutionPermission, )

    def create(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        serializer.validated_data['accepted'] = False
        self.perform_create(serializer)
        headers = self.get_success_headers(serializer.data)
        return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)