teilchensammler/collector/views.py

import logging

from django.db import transaction
from django.db.models import QuerySet
from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
from django.urls import reverse
from django.views import generic

from .models import Teil

logger = logging.getLogger(__name__)


class ListView(generic.ListView):
    template_name = "collector/index.html"
    context_object_name = "teile_list"

    def get_queryset(self) -> QuerySet:
        return Teil.objects.order_by("-modified")


class IndexView(ListView):
    def get_queryset(self) -> QuerySet:
        return super().get_queryset()[:10]


class DetailView(generic.DetailView):
    model = Teil
    template_name = "collector/detail.html"


def enter(request: HttpRequest) -> HttpResponse:
    try:
        with transaction.atomic():
            Teil.objects.create(name=request.POST["new_name"])
    except Exception:
        logger.warning("Teil already existed")

    return HttpResponseRedirect(reverse("collector:index"))