sharix-open-tickets/views/ticket_list_create.py

from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib import messages
from django.urls import reverse_lazy
from django.shortcuts import redirect
from django.views import View

from tickets.forms import TicketListForm
from tickets.utils import SuperuserStaffRequiredMixin


class TicketListCreateView(LoginRequiredMixin, SuperuserStaffRequiredMixin, View):
    def post(self, request):
        form = TicketListForm(request.user, request.POST)

        if form.is_valid():
            new_ticket_list = form.save()
            messages.success(self.request, f'The "{new_ticket_list.name}" list has been successfully created in {new_ticket_list.group}.')
        else:
            messages.error(self.request, "Failed to create the list. Maybe you specified an already existing list name in the group?")

        return redirect(reverse_lazy('tickets:ticket_list_list'))