wwwworkshop.py

class WorkshopListView(ListView):
    model = models.Workshop
    context_object_name = 'workshops_list'

class WorkshopCreateView(LoginRequiredMixin, CreateView):
    model = models.Workshop
    fields = ['name', 'text']

    def form_valid(self, form):
        obj = form.save(commit=False)
        obj.host = self.request.user.person
        obj.save()
        return http.HttpResponseRedirect(reverse_lazy('workshop', args=(obj.pk,)))

class WorkshopUpdateView(OnlySelectedUsersOrSuperuserMixin, UpdateView):
    model = models.Workshop
    fields = ['name', 'text']

    def dispatch(self, request, *args, **kwargs):
        workshop = models.Workshop.objects.get(pk=self.kwargs['pk'])
        self.selectedUsers = (workshop.host,)
        return super().dispatch(request, *args, **kwargs)

    def get_success_url(self):
        return reverse_lazy('workshop', args=(self.kwargs['pk'],))

class WorkshopDeleteView(OnlySelectedUsersOrSuperuserMixin, DeleteView):
    model = models.Workshop
    success_url = reverse_lazy('workshops')

    def dispatch(self, request, *args, **kwargs):
        workshop = models.Workshop.objects.get(pk=self.kwargs['pk'])
        self.selectedUsers = (workshop.host,)
        return super().dispatch(request, *args, **kwargs)

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['workshop'] = self.object
        return context

class WorkshopDetailView(DetailView):
    model = models.Workshop
    context_object_name = 'workshop'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)

        if self.request.user.is_authenticated():
            currentUser = self.request.user.person
            objectOwner = self.object.host
            try:
                application = models.Application.objects.get(
                    workshop=self.object,person=currentUser)
            except models.Application.DoesNotExist:
                application = None
            context['isOwner'] = currentUser == objectOwner
            context['application'] = application

        context['applications'] = models.Application.objects.filter(workshop=self.object).order_by('-qualified')
        context['exercises'] = models.Exercise.objects.filter(workshop=self.object)
        return context