X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/199ba2f0ed2a8abdceddadd17e27d0f541f600c9..7d88dafd94f9bd8316f4828c13ee88bf87552348:/apps/catalogue/views.py diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index e79e5d4e0..0adce195a 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -8,6 +8,8 @@ import sys import pprint import traceback import re +import itertools +from operator import itemgetter from django.conf import settings from django.template import RequestContext @@ -71,15 +73,33 @@ def book_list(request): context_instance=RequestContext(request)) -def tagged_object_list(request, tags=''): - # Prevent DoS attacks on our database - if len(tags.split('/')) > 6: - raise Http404 +def differentiate_tags(request, tags, ambiguous_slugs): + beginning = '/'.join(tag.url_chunk for tag in tags) + unparsed = '/'.join(ambiguous_slugs[1:]) + options = [] + for tag in models.Tag.objects.exclude(category='book').filter(slug=ambiguous_slugs[0]): + options.append({ + 'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'), + 'tags': [tag] + }) + return render_to_response('catalogue/differentiate_tags.html', + {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]}, + context_instance=RequestContext(request)) + +def tagged_object_list(request, tags=''): try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: raise Http404 + except models.Tag.MultipleObjectsReturned, e: + return differentiate_tags(request, e.tags, e.ambiguous_slugs) + + try: + if len(tags) > settings.MAX_TAG_LIST: + raise Http404 + except AttributeError: + pass if len([tag for tag in tags if tag.category == 'book']): raise Http404 @@ -88,7 +108,8 @@ def tagged_object_list(request, tags=''): shelf_is_set = len(tags) == 1 and tags[0].category == 'set' my_shelf_is_set = shelf_is_set and request.user.is_authenticated() and request.user == tags[0].user - objects = only_author = pd_counter = categories = None + objects = only_author = pd_counter = None + categories = {} if theme_is_set: shelf_tags = [tag for tag in tags if tag.category == 'set'] @@ -97,7 +118,7 @@ def tagged_object_list(request, tags=''): if shelf_tags: books = models.Book.tagged.with_all(shelf_tags).order_by() - l_tags = [models.Tag.objects.get(slug='l-' + book.slug) for book in books] + l_tags = [book.book_tag() for book in books] fragments = models.Fragment.tagged.with_any(l_tags, fragments) # newtagging goes crazy if we just try: @@ -113,26 +134,29 @@ def tagged_object_list(request, tags=''): objects = fragments else: - books = models.Book.tagged.with_all(tags).order_by() - l_tags = [models.Tag.objects.get(slug='l-' + book.slug) for book in books] - book_keys = [book.pk for book in books] - # newtagging goes crazy if we just try: - #related_tags = models.Tag.objects.usage_for_queryset(books, counts=True, - # extra={'where': ["catalogue_tag.category NOT IN ('set', 'book', 'theme')"]}) - if book_keys: - related_tags = models.Book.tags.usage(counts=True, - filters={'pk__in': book_keys}, - extra={'where': ["catalogue_tag.category NOT IN ('set', 'book', 'theme')"]}) - categories = split_tags(related_tags) - - fragment_keys = [fragment.pk for fragment in models.Fragment.tagged.with_any(l_tags)] - if fragment_keys: - categories['theme'] = models.Fragment.tags.usage(counts=True, - filters={'pk__in': fragment_keys}, - extra={'where': ["catalogue_tag.category = 'theme'"]}) - - books = books.exclude(parent__in=book_keys) - objects = books + # get relevant books and their tags + objects = models.Book.tagged.with_all(tags).order_by() + l_tags = [book.book_tag() for book in objects] + # eliminate descendants + descendants_keys = [book.pk for book in models.Book.tagged.with_any(l_tags)] + if descendants_keys: + objects = objects.exclude(pk__in=descendants_keys) + + # 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 + 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 if not objects: only_author = len(tags) == 1 and tags[0].category == 'author' @@ -158,8 +182,8 @@ def tagged_object_list(request, tags=''): def book_fragments(request, book_slug, theme_slug): book = get_object_or_404(models.Book, slug=book_slug) - book_tag = get_object_or_404(models.Tag, slug='l-' + book_slug) - theme = get_object_or_404(models.Tag, slug=theme_slug) + book_tag = get_object_or_404(models.Tag, slug='l-' + book_slug, category='book') + theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme') fragments = models.Fragment.tagged.with_all([book_tag, theme]) form = forms.SearchForm() @@ -173,7 +197,7 @@ def book_detail(request, slug): except models.Book.DoesNotExist: return book_stub_detail(request, slug) - book_tag = get_object_or_404(models.Tag, slug='l-' + slug) + book_tag = book.book_tag() tags = list(book.tags.filter(~Q(category='set'))) categories = split_tags(tags) book_children = book.children.all().order_by('parent_number') @@ -282,7 +306,7 @@ def _get_result_link(match, tag_list): return match.get_absolute_url() else: return reverse('catalogue.views.tagged_object_list', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list + [match])} + kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])} ) def _get_result_type(match): @@ -444,7 +468,7 @@ def download_shelf(request, slug): if form.is_valid(): formats = form.cleaned_data['formats'] if len(formats) == 0: - formats = ['pdf', 'odt', 'txt', 'mp3', 'ogg'] + formats = ['pdf', 'epub', 'odt', 'txt', 'mp3', 'ogg'] # Create a ZIP archive temp = tempfile.TemporaryFile() @@ -454,6 +478,9 @@ def download_shelf(request, slug): if 'pdf' in formats and book.pdf_file: filename = book.pdf_file.path archive.write(filename, str('%s.pdf' % book.slug)) + if 'epub' in formats and book.epub_file: + filename = book.epub_file.path + archive.write(filename, str('%s.epub' % book.slug)) if 'odt' in formats and book.odt_file: filename = book.odt_file.path archive.write(filename, str('%s.odt' % book.slug)) @@ -484,11 +511,13 @@ def shelf_book_formats(request, shelf): """ shelf = get_object_or_404(models.Tag, slug=shelf, category='set') - formats = {'pdf': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False} + formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False} for book in collect_books(models.Book.tagged.with_all(shelf)): if book.pdf_file: formats['pdf'] = True + if book.epub_file: + formats['epub'] = True if book.odt_file: formats['odt'] = True if book.txt_file: