X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/a2107b9610acf3643ad17eba523ccba6ceedecd0..d95d8a5fe401479b8adaa10cb77012c130525efd:/apps/catalogue/views.py?ds=inline diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index 7f37ccbc2..745ff10e2 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 @@ -44,7 +46,7 @@ class LazyEncoder(simplejson.JSONEncoder): return obj -def main_page(request): +def main_page(request): if request.user.is_authenticated(): shelves = models.Tag.objects.filter(category='set', user=request.user) new_set_form = forms.NewSetForm() @@ -53,7 +55,7 @@ def main_page(request): fragment_tags = models.Tag.objects.usage_for_model(models.Fragment, counts=True, extra={'where': ["catalogue_tag.category = 'theme'"] + [extra_where]}) categories = split_tags(tags) - + form = forms.SearchForm() return render_to_response('catalogue/main_page.html', locals(), context_instance=RequestContext(request)) @@ -62,88 +64,94 @@ def main_page(request): def book_list(request): books = models.Book.objects.all() form = forms.SearchForm() - + books_by_first_letter = SortedDict() for book in books: books_by_first_letter.setdefault(book.title[0], []).append(book) - + return render_to_response('catalogue/book_list.html', locals(), context_instance=RequestContext(request)) def tagged_object_list(request, tags=''): - # Prevent DoS attacks on our database - if len(tags.split('/')) > 6: - raise Http404 - try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: raise Http404 - + + 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 - + theme_is_set = [tag for tag in tags if tag.category == 'theme'] 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'] fragment_tags = [tag for tag in tags if tag.category != 'set'] fragments = models.Fragment.tagged.with_all(fragment_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: #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] if fragment_keys: - related_tags = models.Fragment.tags.usage(counts = True, - filters = {'pk__in': fragment_keys}, + related_tags = models.Fragment.tags.usage(counts=True, + filters={'pk__in': fragment_keys}, extra={'where': ["catalogue_tag.category != 'book'"]}) related_tags = (tag for tag in related_tags if tag not in fragment_tags) categories = split_tags(related_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' pd_counter = only_author and tags[0].goes_to_pd() objects = models.Book.objects.none() - + return object_list( request, objects, template_name='catalogue/tagged_object_list.html', - extra_context = { + extra_context={ 'categories': categories, 'shelf_is_set': shelf_is_set, 'only_author': only_author, @@ -158,10 +166,10 @@ 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() return render_to_response('catalogue/book_fragments.html', locals(), context_instance=RequestContext(request)) @@ -173,14 +181,14 @@ 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') extra_where = "catalogue_tag.category = 'theme'" book_themes = models.Tag.objects.related_for_model(book_tag, models.Fragment, counts=True, extra={'where': [extra_where]}) extra_info = book.get_extra_info_value() - + form = forms.SearchForm() return render_to_response('catalogue/book_detail.html', locals(), context_instance=RequestContext(request)) @@ -190,10 +198,10 @@ def book_stub_detail(request, slug): book = get_object_or_404(models.BookStub, slug=slug) pd_counter = book.pd form = forms.SearchForm() - + return render_to_response('catalogue/book_stub_detail.html', locals(), context_instance=RequestContext(request)) - + def book_text(request, slug): book = get_object_or_404(models.Book, slug=slug) @@ -201,7 +209,7 @@ def book_text(request, slug): 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) return render_to_response('catalogue/book_text.html', locals(), @@ -223,7 +231,7 @@ def _no_diacritics_regexp(query): def repl(m): l = m.group() return u"(%s)" % '|'.join(names[l]) - return re.sub(u'[%s]'%(u''.join(names.keys())), repl, query) + return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query) def unicode_re_escape(query): """ Unicode-friendly version of re.escape """ @@ -244,11 +252,10 @@ def _word_starts_with(name, prefix): # can't use [[:<:]] (word start), # but we want both `xy` and `(xy` to catch `(xyz)` kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix - print kwargs['%s__iregex' % name] return Q(**kwargs) - + def _sqlite_word_starts_with(name, prefix): """ version of _word_starts_with for SQLite @@ -264,27 +271,26 @@ if settings.DATABASE_ENGINE == 'sqlite3': _word_starts_with = _sqlite_word_starts_with -def _tags_starting_with(prefix, user): +def _tags_starting_with(prefix, user=None): prefix = prefix.lower() book_stubs = models.BookStub.objects.filter(_word_starts_with('title', prefix)) books = models.Book.objects.filter(_word_starts_with('title', prefix)) book_stubs = filter(lambda x: x not in books, book_stubs) tags = models.Tag.objects.filter(_word_starts_with('name', prefix)) - if user.is_authenticated(): + if user and user.is_authenticated(): tags = tags.filter(~Q(category='book') & (~Q(category='set') | Q(user=user))) else: tags = tags.filter(~Q(category='book') & ~Q(category='set')) return list(books) + list(tags) + list(book_stubs) - def _get_result_link(match, tag_list): if isinstance(match, models.Book) or isinstance(match, models.BookStub): return match.get_absolute_url() else: - return reverse('catalogue.views.tagged_object_list', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list + [match])} + return reverse('catalogue.views.tagged_object_list', + kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])} ) def _get_result_type(match): @@ -293,10 +299,10 @@ def _get_result_type(match): else: type = match.category return dict(models.TAG_CATEGORIES)[type] - -def find_best_matches(query, user): + +def find_best_matches(query, user=None): """ Finds a Book, Tag or Bookstub best matching a query. Returns a with: @@ -306,28 +312,28 @@ def find_best_matches(query, user): Raises a ValueError on too short a query. """ - + query = query.lower() if len(query) < 2: raise ValueError("query must have at least two characters") - + result = tuple(_tags_starting_with(query, user)) exact_matches = tuple(res for res in result if res.name.lower() == query) if exact_matches: return exact_matches else: - return result[:1] + return result[:1] def search(request): tags = request.GET.get('tags', '') prefix = request.GET.get('q', '') - + try: tag_list = models.Tag.get_tag_list(tags) except: tag_list = [] - + try: result = find_best_matches(prefix, request.user) except ValueError: @@ -337,7 +343,7 @@ def search(request): if len(result) == 1: return HttpResponseRedirect(_get_result_link(result[0], tag_list)) elif len(result) > 1: - return render_to_response('catalogue/search_multiple_hits.html', + return render_to_response('catalogue/search_multiple_hits.html', {'tags':tag_list, 'prefix':prefix, 'results':((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)}, context_instance=RequestContext(request)) else: @@ -350,7 +356,7 @@ def tags_starting_with(request): # Prefix must have at least 2 characters if len(prefix) < 2: return HttpResponse('') - + return HttpResponse('\n'.join(tag.name for tag in _tags_starting_with(prefix, request.user))) @@ -370,24 +376,24 @@ def book_sets(request, slug): book = get_object_or_404(models.Book, slug=slug) user_sets = models.Tag.objects.filter(category='set', user=request.user) book_sets = book.tags.filter(category='set', user=request.user) - + if not request.user.is_authenticated(): return HttpResponse(_('

To maintain your shelves you need to be logged in.

')) - + if request.method == 'POST': form = forms.ObjectSetsForm(book, request.user, request.POST) if form.is_valid(): old_shelves = list(book.tags.filter(category='set')) new_shelves = [models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']] - + for shelf in [shelf for shelf in old_shelves if shelf not in new_shelves]: shelf.book_count -= 1 shelf.save() - + for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]: shelf.book_count += 1 shelf.save() - + book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user))) if request.is_ajax(): return HttpResponse(_('

Shelves were sucessfully saved.

')) @@ -396,7 +402,7 @@ def book_sets(request, slug): else: form = forms.ObjectSetsForm(book, request.user) new_set_form = forms.NewSetForm() - + return render_to_response('catalogue/book_sets.html', locals(), context_instance=RequestContext(request)) @@ -407,7 +413,7 @@ def book_sets(request, slug): def remove_from_shelf(request, shelf, book): book = get_object_or_404(models.Book, slug=book) shelf = get_object_or_404(models.Tag, slug=shelf, category='set', user=request.user) - + if shelf in book.tags: models.Tag.objects.remove_tag(book, shelf) @@ -440,22 +446,25 @@ def download_shelf(request, slug): be used for large dynamic PDF files. """ shelf = get_object_or_404(models.Tag, slug=slug, category='set') - + formats = [] form = forms.DownloadFormatsForm(request.GET) 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() archive = zipfile.ZipFile(temp, 'w') - + for book in collect_books(models.Book.tagged.with_all(shelf)): 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)) @@ -469,11 +478,11 @@ def download_shelf(request, slug): filename = book.ogg_file.path archive.write(filename, str('%s.ogg' % book.slug)) archive.close() - + response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed') response['Content-Disposition'] = 'attachment; filename=%s.zip' % shelf.sort_key response['Content-Length'] = temp.tell() - + temp.seek(0) response.write(temp.read()) return response @@ -486,11 +495,13 @@ 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: @@ -554,7 +565,7 @@ def register(request): if registration_form.is_valid(): user = registration_form.save() user = auth.authenticate( - username=registration_form.cleaned_data['username'], + username=registration_form.cleaned_data['username'], password=registration_form.cleaned_data['password1'] ) auth.login(request, user)