from django.views.generic import ListView, DetailView
from django.utils import timezone
from django.contrib.syndication.views import Feed

from .models import NewsItem


def news_items_queryset(kwargs=None):
    if not kwargs:
        archived = False
    else:
        archived = kwargs['archived']

    return NewsItem.objects.filter(
        published_at__isnull=False,
        published_at__lt=timezone.now(),
        archived=archived
    )


class NewsIndex(ListView):
    model = NewsItem
    template_name = 'news_index.html'
    context_object_name = 'news_items'

    def get_queryset(self):
        return news_items_queryset(self.kwargs)


class NewsDetail(DetailView):
    model = NewsItem
    template_name = 'news_detail.html'
    context_object_name = 'news_item'


class NewsFeed(Feed):
    title = "BornHack News"
    link = "/news"

    def items(self):
        return news_items_queryset()

    def item_title(self, item):
        return item.title

    def item_description(self, item):
        return item.content