website/www/conservancy/apps/podcast/views.py
Bradley M. Kuhn f7e45da6dd Adapted Django application stuff for Conservancy; and normalized to string
"conservancy" within code and templates.
2010-09-26 17:54:29 -04:00

89 lines
3 KiB
Python

from models import Podcast, PodcastTag # relative import
from django.views.generic.list_detail import object_list
from conservancy.apps.staff.models import Person
from django.shortcuts import get_object_or_404, render_to_response
from datetime import datetime
def OR_filter(field_name, objs):
from django.db.models import Q
return reduce(lambda x, y: x | y,
[Q(**{field_name: x.id}) for x in objs])
def last_name(person):
return person.formal_name.rpartition(' ')[2]
def custom_index(request, queryset, *args, **kwargs):
"""Podcast list view that allows scrolling and also shows an index by
year.
"""
kwargs = kwargs.copy()
kwargs['extra_context'] = kwargs.get('extra_context', {}).copy()
extra_context = kwargs['extra_context']
date_field = kwargs['date_field']
del kwargs['date_field']
if not kwargs.get('allow_future', False):
queryset = queryset.filter(**{'%s__lte' % date_field: datetime.now()})
authors = []
if 'author' in request.GET:
authors = [get_object_or_404(Person, username=author)
for author in request.GET.getlist('author')]
extra_context['authors'] = authors
queryset = queryset.filter(OR_filter('author', authors))
tags = []
if 'tag' in request.GET:
tags = [get_object_or_404(PodcastTag, slug=tag)
for tag in request.GET.getlist('tag')]
extra_context['tags'] = tags
queryset = queryset.filter(OR_filter('tags', tags))
if authors or tags:
query_string = '&'.join(['author=%s' % a.username for a in authors]
+ ['tag=%s' % t.slug for t in tags])
extra_context['query_string'] = query_string
else:
date_list = queryset.dates(date_field, 'year')
extra_context['date_list'] = date_list
return object_list(request, queryset, *args, **kwargs)
def query(request):
"""Page to query the podcast based on and tags
"""
if request.GET:
d = request.GET.copy()
if 'authors' in d.getlist('all'):
d.setlist('author', []) # remove author queries
if 'tags' in d.getlist('all'):
d.setlist('tag', []) # remove tag queries
d.setlist('all', []) # remove "all" from the query string
base_url = '/podcast/'
if 'rss' in d:
base_url = '/feeds/podcast/'
d.setlist('rss', []) # remove it
query_string = d.urlencode()
return relative_redirect(request, '%s%s%s' % (base_url, '?' if query_string else '', query_string))
else:
tags = PodcastTag.objects.all().order_by('label')
return render_to_response('podcast/query.html', {'tags': tags})
def relative_redirect(request, path):
from django import http
from django.conf import settings
host = http.get_host(request)
if settings.FORCE_CANONICAL_HOSTNAME:
host = settings.FORCE_CANONICAL_HOSTNAME
url = "%s://%s%s" % (request.is_secure() and 'https' or 'http', host, path)
return http.HttpResponseRedirect(url)