X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/6e0b282242bf227d1dba35b2748b7cadb48741db..0e9ce396fab5cdfc2f1806bae43f05de77cb1e21:/apps/catalogue/views.py?ds=sidebyside diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index c8549c26f..0026b0a08 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -2,84 +2,139 @@ # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # +from collections import OrderedDict import re import itertools from django.conf import settings +from django.core.cache import get_cache from django.template import RequestContext -from django.shortcuts import render_to_response, get_object_or_404, redirect -from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect +from django.template.loader import render_to_string +from django.shortcuts import render_to_response, get_object_or_404 +from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse from django.core.urlresolvers import reverse from django.db.models import Q from django.contrib.auth.decorators import login_required, user_passes_test -from django.utils.datastructures import SortedDict 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 ajaxable.utils import JSONResponse, AjaxableFormView +from django.utils.translation import get_language, ugettext as _, ugettext_lazy +from django.views.decorators.vary import vary_on_headers +from ajaxable.utils import AjaxableFormView from catalogue import models from catalogue import forms -from catalogue.utils import (split_tags, AttachmentHttpResponse, - async_build_pdf, MultiQuerySet) +from catalogue.utils import split_tags, MultiQuerySet, SortedMultiQuerySet +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 - -from os import path -from waiter.models import WaitedFile +from picture.models import Picture, PictureArea +from picture.views import picture_list_thumb 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/' + get_language() + output = permanent_cache.get(cache_key) + + if output is None: + tags = models.Tag.objects.exclude( + category__in=('set', 'book')).exclude(book_count=0, picture_count=0) + tags = list(tags) + for tag in tags: + tag.count = tag.book_count + tag.picture_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)) + has_pictures = lambda x: filter(lambda y: y.picture_count > 0, x) + has_books = lambda x: filter(lambda y: y.book_count > 0, x) + def render_split(tags): + with_books = has_books(tags) + with_pictures = has_pictures(tags) + ctx = {} + if with_books: + ctx['books'] = render_tag_list(with_books) + if with_pictures: + ctx['pictures'] = render_tag_list(with_pictures) + return render_to_string('catalogue/tag_list_split.html', ctx) + + output = {'theme': {}} + output['theme'] = render_tag_list(fragment_tags) + for category, tags in categories.items(): + if category in ('author', 'theme'): + output[category] = render_tag_list(tags) + else: + output[category] = render_split(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) - + cache_key = "%s/%s" % (cache_key, get_language()) + 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 = OrderedDict() + 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), - template_name='catalogue/collection.html', + if coll.kind == 'book': + view = book_list + tmpl = "catalogue/collection.html" + elif coll.kind == 'picture': + view = picture_list_thumb + tmpl = "picture/collection.html" + else: + raise ValueError('How do I show this kind of collection? %s' % coll.kind) + return view(request, get_filter=coll.get_query, + template_name=tmpl, + cache_key='catalogue.collection:%s' % coll.slug, context={'collection': coll}) @@ -97,17 +152,21 @@ def differentiate_tags(request, tags, ambiguous_slugs): context_instance=RequestContext(request)) -@never_cache +# TODO: Rewrite this hellish piece of code which tries to do everything def tagged_object_list(request, tags=''): + # preliminary tests and conditions try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: + # Perhaps the user is asking about an author in Public Domain + # counter (they are not represented in tags) chunks = tags.split('/') if len(chunks) == 2 and chunks[0] == 'autor': return pdcounter_views.author_detail(request, chunks[1]) else: raise Http404 except models.Tag.MultipleObjectsReturned, e: + # Ask the user to disambiguate return differentiate_tags(request, e.tags, e.ambiguous_slugs) except models.Tag.UrlDeprecationWarning, e: return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])) @@ -121,65 +180,99 @@ def tagged_object_list(request, tags=''): if len([tag for tag in tags if tag.category == 'book']): raise Http404 + # beginning of digestion theme_is_set = [tag for tag in tags if tag.category == 'theme'] shelf_is_set = [tag for tag in tags if tag.category == 'set'] only_shelf = shelf_is_set and len(tags) == 1 only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user + objects = only_author = None categories = {} + object_queries = [] if theme_is_set: shelf_tags = [tag for tag in tags if tag.category == 'set'] fragment_tags = [tag for tag in tags if tag.category != 'set'] fragments = models.Fragment.tagged.with_all(fragment_tags) + areas = PictureArea.tagged.with_all(fragment_tags) if shelf_tags: books = models.Book.tagged.with_all(shelf_tags).order_by() - l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books]) + l_tags = models.Tag.objects.filter(category='book', + slug__in=[book.book_tag_slug() for book in books.iterator()]) fragments = models.Fragment.tagged.with_any(l_tags, fragments) # newtagging goes crazy if we just try: #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True, # extra={'where': ["catalogue_tag.category != 'book'"]}) - fragment_keys = [fragment.pk for fragment in fragments] + + related_tags = [] + + fragment_keys = [fragment.pk for fragment in fragments.iterator()] if fragment_keys: related_tags = models.Fragment.tags.usage(counts=True, - filters={'pk__in': fragment_keys}, - extra={'where': ["catalogue_tag.category != 'book'"]}) + filters={'pk__in': fragment_keys}).exclude( + category='book') + related_tags = (tag for tag in related_tags if tag not in fragment_tags) + categories = split_tags(related_tags, categories) + + object_queries.insert(0, fragments) + + area_keys = [area.pk for area in areas.iterator()] + if area_keys: + related_tags = PictureArea.tags.usage(counts=True, + filters={'pk__in': area_keys}) related_tags = (tag for tag in related_tags if tag not in fragment_tags) - categories = split_tags(related_tags) - objects = fragments + categories = split_tags(related_tags, categories) + + # we want the Pictures to go first + object_queries.insert(0, areas) + objects = MultiQuerySet(*object_queries) else: if shelf_is_set: - objects = models.Book.tagged.with_all(tags) + books = models.Book.tagged.with_all(tags).order_by('sort_key_author') else: - objects = models.Book.tagged_top_level(tags) + books = models.Book.tagged_top_level(tags).order_by('sort_key_author') + + pictures = Picture.tagged.with_all(tags).order_by('sort_key_author') - # get related tags from `tag_counter` and `theme_counter` related_counts = {} - tags_pks = [tag.pk for tag in tags] - for book in objects: - for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()): - if tag_pk in tags_pks: - continue - related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value + if books.count() > 0: + # get related tags from `tag_counter` and `theme_counter` + tags_pks = [tag.pk for tag in tags] + for book in books: + for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()): + if tag_pk in tags_pks: + continue + related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value + + if pictures.count() > 0: + tags_pks = [tag.pk for tag in tags] + for picture in pictures: + for tag_pk, value in itertools.chain(picture.tag_counter.iteritems(), picture.theme_counter.iteritems()): + if tag_pk in tags_pks: + continue + related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value + related_tags = models.Tag.objects.filter(pk__in=related_counts.keys()) related_tags = [tag for tag in related_tags if tag not in tags] + for tag in related_tags: tag.count = related_counts[tag.pk] categories = split_tags(related_tags) del related_tags + + objects = SortedMultiQuerySet(pictures, books, order_by='sort_key_author') + + if not objects: only_author = len(tags) == 1 and tags[0].category == 'author' objects = models.Book.objects.none() - # Add pictures - objects = MultiQuerySet(Picture.tagged.with_all(tags), objects) - return render_to_response('catalogue/tagged_object_list.html', { 'object_list': objects, @@ -205,7 +298,6 @@ def book_fragments(request, slug, theme_slug): context_instance=RequestContext(request)) -@never_cache def book_detail(request, slug): try: book = models.Book.objects.get(slug=slug) @@ -223,15 +315,15 @@ def player(request, slug): raise Http404 ogg_files = {} - for m in book.media.filter(type='ogg').order_by(): + for m in book.media.filter(type='ogg').order_by().iterator(): ogg_files[m.name] = m audiobooks = [] have_oggs = True projects = set() - for mp3 in book.media.filter(type='mp3'): + for mp3 in book.media.filter(type='mp3').iterator(): # ogg files are always from the same project - meta = mp3.get_extra_info_value() + meta = mp3.extra_info project = meta.get('project') if not project: # temporary fallback @@ -250,7 +342,7 @@ def player(request, slug): projects = sorted(projects) - extra_info = book.get_extra_info_value() + extra_info = book.extra_info return render_to_response('catalogue/player.html', locals(), context_instance=RequestContext(request)) @@ -261,13 +353,7 @@ def book_text(request, slug): if not book.has_html_file(): raise Http404 - book_themes = {} - for fragment in book.fragments.all(): - for theme in fragment.tags.filter(category='theme'): - 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)) @@ -409,7 +495,7 @@ def find_best_matches(query, user=None): book_titles = set(match.pretty_title().lower() for match in result if isinstance(match, models.Book)) authors = set(match.name.lower() for match in result - if isinstance(match, models.Tag) and match.category=='author') + if isinstance(match, models.Tag) and match.category == 'author') result = tuple(res for res in result if not ( (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles) or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors) @@ -478,7 +564,7 @@ def json_tags_starting_with(request, callback=None): result = [prefix, tags_list] else: result = {"matches": tags_list} - return JSONResponse(result, callback) + return JsonResponse(result, callback) # ========= @@ -532,44 +618,23 @@ def download_zip(request, format, slug=None): return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?=')) -def download_custom_pdf(request, slug, method='GET'): - book = get_object_or_404(models.Book, slug=slug) - - if request.method == method: - form = forms.CustomPDFForm(method == 'GET' and request.GET or request.POST) - if form.is_valid(): - cust = form.customizations - pdf_file = models.get_customized_pdf_path(book, cust) - - url = WaitedFile.order(pdf_file, - lambda p: async_build_pdf.delay(book.id, cust, p), - "%s: %s" % (book.pretty_title(), ", ".join(cust)) - ) - return redirect(url) - else: - raise Http404(_('Incorrect customization options for PDF')) - else: - raise Http404(_('Bad method')) - - class CustomPDFFormView(AjaxableFormView): form_class = forms.CustomPDFForm title = ugettext_lazy('Download custom PDF') submit = ugettext_lazy('Download') + honeypot = True + + def __call__(self, *args, **kwargs): + if settings.NO_CUSTOM_PDF: + raise Http404('Custom PDF is disabled') + return super(CustomPDFFormView, self).__call__(*args, **kwargs) - def __call__(self, request): - from copy import copy - if request.method == 'POST': - request.GET = copy(request.GET) - request.GET['next'] = "%s?%s" % (reverse('catalogue.views.download_custom_pdf', args=[request.GET.get('slug')]), - request.POST.urlencode()) - return super(CustomPDFFormView, self).__call__(request) + def form_args(self, request, obj): + """Override to parse view args and give additional args to the form.""" + return (obj,), {} - def get_object(self, request): - return get_object_or_404(models.Book, slug=request.GET.get('slug')) + def get_object(self, request, slug, *args, **kwargs): + return get_object_or_404(models.Book, slug=slug) def context_description(self, request, obj): return obj.pretty_title() - - def success(self, *args): - pass