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bsturmfels

podjango: Add "Podcast" model to support multiple podcasts

Each Cast (episode) can belong to one or more Podcast, allowing episodes to be
shared between podcasts. This enables us introductory episodes to be delivered
in their own feed, but also included in the main "The Corresponding Source"
feed.

This required adding an additional `podcast_slug` argument to most views. The
date archive views were dropped because they're not linked to from anywhere.

Added a `podcasts` view as an index of all available Podcasts.

# Copyright 2010       Bradley M. Kuhn <bkuhn@ebb.org>
# Copyright 2005-2008  James Garrison

# This software's license gives you freedom; you can copy, convey,
# propagate, redistribute, modify and/or redistribute modified versions of
# this program under the terms of the GNU Affero General Public License
# (AGPL) as published by the Free Software Foundation (FSF), either
# version 3 of the License, or (at your option) any later version of the
# AGPL published by the FSF.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero
# General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program in a file in the toplevel directory called
# "AGPLv3".  If not, see <http://www.gnu.org/licenses/>.

from datetime import datetime

from django.shortcuts import get_object_or_404, render

from .models import Cast, Podcast


def view(request, podcast_slug):
    """Cast front page view
    Performs all object queries necessary to render the front page.
    """
    podcast = get_object_or_404(Podcast, slug=podcast_slug)
    cast = Cast.objects.filter(podcast=podcast, pub_date__lte=datetime.now())[:3]
    c = {
        'cast': cast,
        'podcast': podcast,
    }
    return render(request, "podjango/frontpage.html", c)