import itertools
from django.conf import settings
+from django.core.cache import get_cache
from django.template import RequestContext
+from django.template.loader import render_to_string
from django.shortcuts import render_to_response, get_object_or_404, redirect
from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
from django.core.urlresolvers import reverse
from django.utils.http import urlquote_plus
from django.utils import translation
from django.utils.translation import ugettext as _, ugettext_lazy
-from django.views.decorators.cache import never_cache
+from django.views.decorators.vary import vary_on_headers
from ajaxable.utils import JSONResponse, AjaxableFormView
-
from catalogue import models
from catalogue import forms
from catalogue.utils import split_tags, MultiQuerySet
+from catalogue.templatetags.catalogue_tags import tag_list, collection_list
from pdcounter import models as pdcounter_models
from pdcounter import views as pdcounter_views
from suggest.forms import PublishingSuggestForm
from picture.models import Picture
staff_required = user_passes_test(lambda user: user.is_staff)
+permanent_cache = get_cache('permanent')
+@vary_on_headers('X-Requested-With')
def catalogue(request):
- tags = models.Tag.objects.exclude(
- category__in=('set', 'book')).exclude(book_count=0)
- tags = list(tags)
- for tag in tags:
- tag.count = tag.book_count
- categories = split_tags(tags)
- fragment_tags = categories.get('theme', [])
-
- return render_to_response('catalogue/catalogue.html', locals(),
- context_instance=RequestContext(request))
+ cache_key='catalogue.catalogue'
+ output = permanent_cache.get(cache_key)
+ if output is None:
+ tags = models.Tag.objects.exclude(
+ category__in=('set', 'book')).exclude(book_count=0)
+ tags = list(tags)
+ for tag in tags:
+ tag.count = tag.book_count
+ categories = split_tags(tags)
+ fragment_tags = categories.get('theme', [])
+ collections = models.Collection.objects.all()
+ render_tag_list = lambda x: render_to_string(
+ 'catalogue/tag_list.html', tag_list(x))
+ output = {'theme': render_tag_list(fragment_tags)}
+ for category, tags in categories.items():
+ output[category] = render_tag_list(tags)
+ output['collections'] = render_to_string(
+ 'catalogue/collection_list.html', collection_list(collections))
+ permanent_cache.set(cache_key, output)
+ if request.is_ajax():
+ return JSONResponse(output)
+ else:
+ return render_to_response('catalogue/catalogue.html', locals(),
+ context_instance=RequestContext(request))
-def book_list(request, filter=None, template_name='catalogue/book_list.html',
- context=None):
+def book_list(request, filter=None, get_filter=None,
+ template_name='catalogue/book_list.html',
+ nav_template_name='catalogue/snippets/book_list_nav.html',
+ list_template_name='catalogue/snippets/book_list.html',
+ cache_key='catalogue.book_list',
+ context=None,
+ ):
""" generates a listing of all books, optionally filtered with a test function """
-
- books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
- books_nav = SortedDict()
- for tag in books_by_author:
- if books_by_author[tag]:
- books_nav.setdefault(tag.sort_key[0], []).append(tag)
-
+ cached = permanent_cache.get(cache_key)
+ if cached is not None:
+ rendered_nav, rendered_book_list = cached
+ else:
+ if get_filter:
+ filter = get_filter()
+ books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
+ books_nav = SortedDict()
+ for tag in books_by_author:
+ if books_by_author[tag]:
+ books_nav.setdefault(tag.sort_key[0], []).append(tag)
+ rendered_nav = render_to_string(nav_template_name, locals())
+ rendered_book_list = render_to_string(list_template_name, locals())
+ permanent_cache.set(cache_key, (rendered_nav, rendered_book_list))
return render_to_response(template_name, locals(),
context_instance=RequestContext(request))
def audiobook_list(request):
return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),
- template_name='catalogue/audiobook_list.html')
+ template_name='catalogue/audiobook_list.html',
+ list_template_name='catalogue/snippets/audiobook_list.html',
+ cache_key='catalogue.audiobook_list')
def daisy_list(request):
return book_list(request, Q(media__type='daisy'),
- template_name='catalogue/daisy_list.html')
+ template_name='catalogue/daisy_list.html',
+ cache_key='catalogue.daisy_list')
def collection(request, slug):
coll = get_object_or_404(models.Collection, slug=slug)
- slugs = coll.book_slugs.split()
- # allow URIs
- slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
- for slug in slugs]
- return book_list(request, Q(slug__in=slugs),
+ def get_filter():
+ slugs = coll.book_slugs.split()
+ # allow URIs
+ slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
+ for slug in slugs]
+ return Q(slug__in=slugs)
+ return book_list(request, get_filter=get_filter,
template_name='catalogue/collection.html',
+ cache_key='catalogue.collection:%s' % coll.slug,
context={'collection': coll})
context_instance=RequestContext(request))
-@never_cache
def tagged_object_list(request, tags=''):
try:
tags = models.Tag.get_tag_list(tags)
context_instance=RequestContext(request))
-@never_cache
def book_detail(request, slug):
try:
book = models.Book.objects.get(slug=slug)
if not book.has_html_file():
raise Http404
- book_themes = {}
- for fragment in book.fragments.all().iterator():
- for theme in fragment.tags.filter(category='theme').iterator():
- book_themes.setdefault(theme, []).append(fragment)
-
- book_themes = book_themes.items()
- book_themes.sort(key=lambda s: s[0].sort_key)
related = book.related_info()
return render_to_response('catalogue/book_text.html', locals(),
context_instance=RequestContext(request))
fnp / wolnelektury.git / blobdiff