X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/79d770e03bde9d600ec6effdcc9c15487ff23897..d294463ea0288b62a518ff8f3c14ce493d930c45:/src/catalogue/views.py diff --git a/src/catalogue/views.py b/src/catalogue/views.py index c2636089d..81d0a02b8 100644 --- a/src/catalogue/views.py +++ b/src/catalogue/views.py @@ -19,69 +19,55 @@ from django.utils import translation from django.utils.translation import ugettext as _, ugettext_lazy from ajaxable.utils import AjaxableFormView -from pdcounter import models as pdcounter_models +from pdcounter.models import BookStub, Author from pdcounter import views as pdcounter_views from picture.models import Picture, PictureArea -from ssify import ssi_included, ssi_expect, SsiVariable as V +from ssify import ssi_included, ssi_expect, SsiVariable as Var from suggest.forms import PublishingSuggestForm from catalogue import constants from catalogue import forms from catalogue.helpers import get_top_level_related_tags -from catalogue import models +from catalogue.models import Book, Collection, Tag, Fragment from catalogue.utils import split_tags staff_required = user_passes_test(lambda user: user.is_staff) -def catalogue(request, as_json=False): - books = models.Book.objects.filter(parent=None).order_by('sort_key_author', 'sort_key') - pictures = Picture.objects.order_by('sort_key_author', 'sort_key') - collections = models.Collection.objects.all() - return render(request, 'catalogue/catalogue.html', locals()) +def catalogue(request): + return render(request, 'catalogue/catalogue.html', { + 'books': Book.objects.filter(parent=None), + 'pictures': Picture.objects.all(), + 'collections': Collection.objects.all(), + 'active_menu_item': 'all_works', + }) -def book_list(request, filter=None, get_filter=None, template_name='catalogue/book_list.html', +def book_list(request, filters=None, template_name='catalogue/book_list.html', nav_template_name='catalogue/snippets/book_list_nav.html', - list_template_name='catalogue/snippets/book_list.html', context=None): - """ generates a listing of all books, optionally filtered with a test function """ - if get_filter: - filter = get_filter() - books_by_author, orphans, books_by_parent = models.Book.book_list(filter) + list_template_name='catalogue/snippets/book_list.html'): + """ generates a listing of all books, optionally filtered """ + books_by_author, orphans, books_by_parent = Book.book_list(filters) 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()) - return render_to_response(template_name, locals(), context_instance=RequestContext(request)) - - -def audiobook_list(request): - books = models.Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct().order_by( - 'sort_key_author', 'sort_key') - books = list(books) - if len(books) > 3: - best = random.sample(books, 3) - else: - best = books - - daisy = models.Book.objects.filter(media__type='daisy').distinct().order_by('sort_key_author', 'sort_key') - - return render(request, 'catalogue/audiobook_list.html', { - 'books': books, - 'best': best, - 'daisy': daisy, + # WTF: dlaczego nie include? + return render_to_response(template_name, { + 'rendered_nav': render_to_string(nav_template_name, {'books_nav': books_nav}), + 'rendered_book_list': render_to_string(list_template_name, { + 'books_by_author': books_by_author, + 'orphans': orphans, + 'books_by_parent': books_by_parent, }) + }, context_instance=RequestContext(request)) def daisy_list(request): - return book_list(request, Q(media__type='daisy'), - template_name='catalogue/daisy_list.html', - ) + return book_list(request, Q(media__type='daisy'), template_name='catalogue/daisy_list.html') def collection(request, slug): - coll = get_object_or_404(models.Collection, slug=slug) + coll = get_object_or_404(Collection, slug=slug) return render(request, 'catalogue/collection.html', {'collection': coll}) @@ -89,7 +75,7 @@ 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.filter(slug=ambiguous_slugs[0]): + for tag in Tag.objects.filter(slug=ambiguous_slugs[0]): options.append({ 'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'), 'tags': [tag] @@ -99,26 +85,103 @@ def differentiate_tags(request, tags, ambiguous_slugs): context_instance=RequestContext(request)) -# TODO: Rewrite this hellish piece of code which tries to do everything -def tagged_object_list(request, tags='', gallery=False): - raw_tags = tags - # preliminary tests and conditions +def object_list(request, objects, fragments=None, related_tags=None, tags=None, list_type='books', extra=None): + if not tags: + tags = [] + tag_ids = [tag.pk for tag in tags] + + related_tag_lists = [] + if related_tags: + related_tag_lists.append(related_tags) + else: + related_tag_lists.append( + Tag.objects.usage_for_queryset(objects, counts=True).exclude(category='set').exclude(pk__in=tag_ids)) + if not (extra and extra.get('theme_is_set')): + if fragments is None: + if list_type == 'gallery': + fragments = PictureArea.objects.filter(picture__in=objects) + else: + fragments = Fragment.objects.filter(book__in=objects) + related_tag_lists.append( + Tag.objects.usage_for_queryset(fragments, counts=True).filter(category='theme').exclude(pk__in=tag_ids)) + + categories = split_tags(*related_tag_lists) + + objects = list(objects) + + if not objects and len(tags) == 1 and list_type == 'books': + if PictureArea.tagged.with_any(tags).exists() or Picture.tagged.with_any(tags).exists(): + return redirect('tagged_object_list_gallery', '/'.join(tag.url_chunk for tag in tags)) + + if len(objects) > 3: + best = random.sample(objects, 3) + else: + best = objects + + result = { + 'object_list': objects, + 'categories': categories, + 'list_type': list_type, + 'tags': tags, + + 'formats_form': forms.DownloadFormatsForm(), + 'best': best, + 'active_menu_item': list_type, + } + if extra: + result.update(extra) + return render_to_response( + 'catalogue/tagged_object_list.html', result, + context_instance=RequestContext(request)) + + +def literature(request): + books = Book.objects.filter(parent=None) + + # last_published = Book.objects.exclude(cover_thumb='').filter(parent=None).order_by('-created_at')[:20] + # most_popular = Book.objects.exclude(cover_thumb='')\ + # .order_by('-popularity__count', 'sort_key_author', 'sort_key')[:20] + return object_list(request, books, related_tags=get_top_level_related_tags([])) + # extra={ + # 'last_published': last_published, + # 'most_popular': most_popular, + # }) + + +def gallery(request): + return object_list(request, Picture.objects.all(), list_type='gallery') + + +def audiobooks(request): + audiobooks = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct() + return object_list(request, audiobooks, list_type='audiobooks', extra={ + 'daisy': Book.objects.filter(media__type='daisy').distinct(), + }) + + +class ResponseInstead(Exception): + def __init__(self, response): + super(ResponseInstead, self).__init__() + self.response = response + + +def analyse_tags(request, tag_str): try: - tags = models.Tag.get_tag_list(tags) - except models.Tag.DoesNotExist: + tags = Tag.get_tag_list(tag_str) + except Tag.DoesNotExist: # Perhaps the user is asking about an author in Public Domain # counter (they are not represented in tags) - chunks = tags.split('/') + chunks = tag_str.split('/') if len(chunks) == 2 and chunks[0] == 'autor': - return pdcounter_views.author_detail(request, chunks[1]) + raise ResponseInstead(pdcounter_views.author_detail(request, chunks[1])) else: raise Http404 - except models.Tag.MultipleObjectsReturned, e: + except 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)])) + raise ResponseInstead(differentiate_tags(request, e.tags, e.ambiguous_slugs)) + except Tag.UrlDeprecationWarning, e: + raise ResponseInstead(HttpResponsePermanentRedirect( + reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))) try: if len(tags) > settings.MAX_TAG_LIST: @@ -126,131 +189,97 @@ def tagged_object_list(request, tags='', gallery=False): except AttributeError: pass - # 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 - tags_pks = [tag.pk for tag in tags] - - objects = None - - if theme_is_set: - # Only fragments (or pirctureareas) here. - shelf_tags = [tag for tag in tags if tag.category == 'set'] - fragment_tags = [tag for tag in tags if tag.category != 'set'] - if gallery: - fragments = PictureArea.tagged.with_all(fragment_tags) - else: - fragments = models.Fragment.tagged.with_all(fragment_tags) + return tags - if shelf_tags: - if gallery: - # TODO: Pictures on shelves not supported yet. - raise Http404 - else: - books = models.Book.tagged.with_all(shelf_tags).order_by() - fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books)) - categories = split_tags( - models.Tag.objects.usage_for_queryset(fragments, counts=True).exclude(pk__in=tags_pks), - ) - - objects = fragments +def theme_list(request, tags, list_type): + shelf_tags = [tag for tag in tags if tag.category == 'set'] + fragment_tags = [tag for tag in tags if tag.category != 'set'] + if list_type == 'gallery': + fragments = PictureArea.tagged.with_all(fragment_tags) else: - if gallery: - if shelf_is_set: - # TODO: Pictures on shelves not supported yet. - raise Http404 - else: - if tags: - objects = Picture.tagged.with_all(tags) - else: - objects = Picture.objects.all() - areas = PictureArea.objects.filter(picture__in=objects) - categories = split_tags( - models.Tag.objects.usage_for_queryset( - objects, counts=True).exclude(pk__in=tags_pks), - models.Tag.objects.usage_for_queryset( - areas, counts=True).filter( - category__in=('theme', 'thing')).exclude( - pk__in=tags_pks), - ) - else: - if tags: - all_books = models.Book.tagged.with_all(tags) - else: - all_books = models.Book.objects.filter(parent=None) - if shelf_is_set: - objects = all_books - related_book_tags = models.Tag.objects.usage_for_queryset( - objects, counts=True).exclude( - category='set').exclude(pk__in=tags_pks) - else: - if tags: - objects = models.Book.tagged_top_level(tags) - else: - objects = all_books - # WTF: was outside if, overwriting value assigned if shelf_is_set - related_book_tags = get_top_level_related_tags(tags) - - fragments = models.Fragment.objects.filter(book__in=all_books) - - categories = split_tags( - related_book_tags, - models.Tag.objects.usage_for_queryset( - fragments, counts=True).filter( - category='theme').exclude(pk__in=tags_pks), - ) - objects = objects.order_by('sort_key_author', 'sort_key') + fragments = Fragment.tagged.with_all(fragment_tags) - objects = list(objects) - if len(objects) > 3: - best = random.sample(objects, 3) - else: - best = objects + if shelf_tags: + # TODO: Pictures on shelves not supported yet. + books = Book.tagged.with_all(shelf_tags).order_by() + fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books)) - if not gallery and not objects and len(tags) == 1: - tag = tags[0] - if (tag.category in ('theme', 'thing') and PictureArea.tagged.with_any([tag]).exists() or - Picture.tagged.with_any([tag]).exists()): - return redirect('tagged_object_list_gallery', raw_tags, permanent=False) + if not fragments and len(tags) == 1 and list_type == 'books': + if PictureArea.tagged.with_any(tags).exists() or Picture.tagged.with_any(tags).exists(): + return redirect('tagged_object_list_gallery', '/'.join(tag.url_chunk for tag in tags)) - return render_to_response( - 'catalogue/tagged_object_list.html', - { - 'object_list': objects, - 'categories': categories, - 'only_shelf': only_shelf, - 'only_my_shelf': only_my_shelf, - 'formats_form': forms.DownloadFormatsForm(), - 'tags': tags, - 'tag_ids': tags_pks, - 'theme_is_set': theme_is_set, - 'best': best, - 'gallery': gallery, - }, - context_instance=RequestContext(request)) + return object_list(request, fragments, tags=tags, list_type=list_type, extra={ + 'theme_is_set': True, + 'active_menu_item': 'theme', + }) + + +def tagged_object_list(request, tags, list_type): + try: + tags = analyse_tags(request, tags) + except ResponseInstead as e: + return e.response + + if list_type == 'gallery' and any(tag.category == 'set' for tag in tags): + raise Http404 + + if any(tag.category in ('theme', 'thing') for tag in tags): + return theme_list(request, tags, list_type=list_type) + + if list_type == 'books': + books = Book.tagged.with_all(tags) + + if any(tag.category == 'set' for tag in tags): + params = {'objects': books} + else: + params = { + 'objects': Book.tagged_top_level(tags), + 'fragments': Fragment.objects.filter(book__in=books), + 'related_tags': get_top_level_related_tags(tags), + } + elif list_type == 'gallery': + params = {'objects': Picture.tagged.with_all(tags)} + elif list_type == 'audiobooks': + audiobooks = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct() + params = { + 'objects': Book.tagged.with_all(tags, audiobooks), + 'extra': { + 'daisy': Book.tagged.with_all(tags, audiobooks.filter(media__type='daisy').distinct()), + } + } + else: + raise Http404 + + return object_list(request, tags=tags, list_type=list_type, **params) def book_fragments(request, slug, theme_slug): - book = get_object_or_404(models.Book, slug=slug) - theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme') - fragments = models.Fragment.tagged.with_all([theme]).filter( + book = get_object_or_404(Book, slug=slug) + theme = get_object_or_404(Tag, slug=theme_slug, category='theme') + fragments = Fragment.tagged.with_all([theme]).filter( Q(book=book) | Q(book__ancestor=book)) - return render_to_response('catalogue/book_fragments.html', locals(), context_instance=RequestContext(request)) + return render_to_response('catalogue/book_fragments.html', { + 'book': book, + 'theme': theme, + 'fragments': fragments, + 'active_menu_item': 'books', + }, context_instance=RequestContext(request)) def book_detail(request, slug): try: - book = models.Book.objects.get(slug=slug) - except models.Book.DoesNotExist: + book = Book.objects.get(slug=slug) + except Book.DoesNotExist: return pdcounter_views.book_stub_detail(request, slug) - tags = book.tags.exclude(category__in=('set', 'theme')) - book_children = book.children.all().order_by('parent_number', 'sort_key') - return render_to_response('catalogue/book_detail.html', locals(), context_instance=RequestContext(request)) + return render_to_response('catalogue/book_detail.html', { + 'book': book, + 'tags': book.tags.exclude(category__in=('set', 'theme')), + 'book_children': book.children.all().order_by('parent_number', 'sort_key'), + 'active_menu_item': 'books', + }, context_instance=RequestContext(request)) def get_audiobooks(book): @@ -284,24 +313,28 @@ def get_audiobooks(book): return audiobooks, projects, have_oggs +# używane w publicznym interfejsie def player(request, slug): - book = get_object_or_404(models.Book, slug=slug) + book = get_object_or_404(Book, slug=slug) if not book.has_media('mp3'): raise Http404 audiobooks, projects, have_oggs = get_audiobooks(book) - extra_info = book.extra_info - - return render_to_response('catalogue/player.html', locals(), context_instance=RequestContext(request)) + return render_to_response('catalogue/player.html', { + 'book': book, + 'audiobook': '', + 'audiobooks': audiobooks, + 'projects': projects, + }, context_instance=RequestContext(request)) def book_text(request, slug): - book = get_object_or_404(models.Book, slug=slug) + book = get_object_or_404(Book, slug=slug) if not book.has_html_file(): raise Http404 - return render_to_response('catalogue/book_text.html', locals(), context_instance=RequestContext(request)) + return render_to_response('catalogue/book_text.html', {'book': book}, context_instance=RequestContext(request)) # ========== @@ -389,11 +422,11 @@ _apps = ( def _tags_starting_with(prefix, user=None): prefix = prefix.lower() # PD counter - book_stubs = pdcounter_models.BookStub.objects.filter(_word_starts_with('title', prefix)) - authors = pdcounter_models.Author.objects.filter(_word_starts_with('name', prefix)) + book_stubs = BookStub.objects.filter(_word_starts_with('title', prefix)) + authors = Author.objects.filter(_word_starts_with('name', prefix)) - books = models.Book.objects.filter(_word_starts_with('title', prefix)) - tags = models.Tag.objects.filter(_word_starts_with('name', prefix)) + books = Book.objects.filter(_word_starts_with('title', prefix)) + tags = Tag.objects.filter(_word_starts_with('name', prefix)) if user and user.is_authenticated(): tags = tags.filter(~Q(category='set') | Q(user=user)) else: @@ -405,7 +438,7 @@ def _tags_starting_with(prefix, user=None): def _get_result_link(match, tag_list): - if isinstance(match, models.Tag): + if isinstance(match, Tag): return reverse('catalogue.views.tagged_object_list', kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])}) elif isinstance(match, App): @@ -415,7 +448,7 @@ def _get_result_link(match, tag_list): def _get_result_type(match): - if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub): + if isinstance(match, Book) or isinstance(match, BookStub): match_type = 'book' else: match_type = match.category @@ -424,11 +457,11 @@ def _get_result_type(match): def books_starting_with(prefix): prefix = prefix.lower() - return models.Book.objects.filter(_word_starts_with('title', prefix)) + return Book.objects.filter(_word_starts_with('title', prefix)) def find_best_matches(query, user=None): - """ Finds a models.Book, Tag, models.BookStub or Author best matching a query. + """ Finds a Book, Tag, BookStub or Author best matching a query. Returns a with: - zero elements when nothing is found, @@ -445,12 +478,12 @@ def find_best_matches(query, user=None): result = tuple(_tags_starting_with(query, user)) # remove pdcounter stuff book_titles = set(match.pretty_title().lower() for match in result - if isinstance(match, models.Book)) + if isinstance(match, Book)) authors = set(match.name.lower() for match in result - if isinstance(match, models.Tag) and match.category == 'author') + if isinstance(match, 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) + (isinstance(res, BookStub) and res.pretty_title().lower() in book_titles) or + (isinstance(res, Author) and res.name.lower() in authors) )) exact_matches = tuple(res for res in result if res.name.lower() == query) @@ -465,8 +498,8 @@ def search(request): prefix = request.GET.get('q', '') try: - tag_list = models.Tag.get_tag_list(tags) - except (models.Tag.DoesNotExist, models.Tag.MultipleObjectsReturned, models.Tag.UrlDeprecationWarning): + tag_list = Tag.get_tag_list(tags) + except (Tag.DoesNotExist, Tag.MultipleObjectsReturned, Tag.UrlDeprecationWarning): tag_list = [] try: @@ -558,22 +591,22 @@ def import_book(request): # info views for API def book_info(request, book_id, lang='pl'): - book = get_object_or_404(models.Book, id=book_id) + book = get_object_or_404(Book, id=book_id) # set language by hand translation.activate(lang) - return render_to_response('catalogue/book_info.html', locals(), context_instance=RequestContext(request)) + return render_to_response('catalogue/book_info.html', {'book': book}, context_instance=RequestContext(request)) def tag_info(request, tag_id): - tag = get_object_or_404(models.Tag, id=tag_id) + tag = get_object_or_404(Tag, id=tag_id) return HttpResponse(tag.description) def download_zip(request, format, slug=None): - if format in models.Book.ebook_formats: - url = models.Book.zip_format(format) + if format in Book.ebook_formats: + url = Book.zip_format(format) elif format in ('mp3', 'ogg') and slug is not None: - book = get_object_or_404(models.Book, slug=slug) + book = get_object_or_404(Book, slug=slug) url = book.zip_audiobooks(format) else: raise Http404('No format specified for zip package') @@ -596,7 +629,7 @@ class CustomPDFFormView(AjaxableFormView): return (obj,), {} def get_object(self, request, slug, *args, **kwargs): - return get_object_or_404(models.Book, slug=slug) + return get_object_or_404(Book, slug=slug) def context_description(self, request, obj): return obj.pretty_title() @@ -609,16 +642,14 @@ class CustomPDFFormView(AjaxableFormView): @ssi_included def book_mini(request, pk, with_link=True): - # book = get_object_or_404(models.Book, pk=pk) + # book = get_object_or_404(Book, pk=pk) try: - book = models.Book.objects.only('cover_thumb', 'title', 'language', 'slug').get(pk=pk) - except models.Book.DoesNotExist: + book = Book.objects.only('cover_thumb', 'title', 'language', 'slug').get(pk=pk) + except Book.DoesNotExist: raise Http404 return render(request, 'catalogue/book_mini_box.html', { 'book': book, - 'author': book.author_unicode(), - 'with_link': with_link, - 'show_lang': book.language_code() != settings.LANGUAGE_CODE, + 'no_link': not with_link, }) @@ -628,7 +659,7 @@ def book_mini(request, pk, with_link=True): ('social_tags.book_shelf_tags', (ipk,)), ))(ssi_expect(pk, int))) def book_short(request, pk): - book = get_object_or_404(models.Book, pk=pk) + book = get_object_or_404(Book, pk=pk) stage_note, stage_note_url = book.stage_note() audiobooks, projects, have_oggs = get_audiobooks(book) @@ -651,10 +682,10 @@ def book_short(request, pk): (lambda ipk: ( ('social_tags.choose_cite', [ipk]), ('catalogue_tags.choose_fragment', [ipk], { - 'unless': V('social_tags.choose_cite', [ipk])}), + 'unless': Var('social_tags.choose_cite', [ipk])}), ))(ssi_expect(pk, int))) def book_wide(request, pk): - book = get_object_or_404(models.Book, pk=pk) + book = get_object_or_404(Book, pk=pk) stage_note, stage_note_url = book.stage_note() extra_info = book.extra_info audiobooks, projects, have_oggs = get_audiobooks(book) @@ -678,19 +709,19 @@ def book_wide(request, pk): @ssi_included def fragment_short(request, pk): - fragment = get_object_or_404(models.Fragment, pk=pk) + fragment = get_object_or_404(Fragment, pk=pk) return render(request, 'catalogue/fragment_short.html', {'fragment': fragment}) @ssi_included def fragment_promo(request, pk): - fragment = get_object_or_404(models.Fragment, pk=pk) + fragment = get_object_or_404(Fragment, pk=pk) return render(request, 'catalogue/fragment_promo.html', {'fragment': fragment}) @ssi_included def tag_box(request, pk): - tag = get_object_or_404(models.Tag, pk=pk) + tag = get_object_or_404(Tag, pk=pk) assert tag.category != 'set' return render(request, 'catalogue/tag_box.html', { @@ -700,7 +731,7 @@ def tag_box(request, pk): @ssi_included def collection_box(request, pk): - obj = get_object_or_404(models.Collection, pk=pk) + obj = get_object_or_404(Collection, pk=pk) return render(request, 'catalogue/collection_box.html', { 'obj': obj, @@ -709,8 +740,8 @@ def collection_box(request, pk): def tag_catalogue(request, category): if category == 'theme': - tags = models.Tag.objects.usage_for_model( - models.Fragment, counts=True).filter(category='theme') + tags = Tag.objects.usage_for_model( + Fragment, counts=True).filter(category='theme') else: tags = list(get_top_level_related_tags((), categories=(category,))) @@ -726,11 +757,12 @@ def tag_catalogue(request, category): 'best': best, 'title': constants.CATEGORIES_NAME_PLURAL[category], 'whole_category': constants.WHOLE_CATEGORY[category], + 'active_menu_item': 'theme' if category == 'theme' else None, }) def collections(request): - objects = models.Collection.objects.all() + objects = Collection.objects.all() if len(objects) > 3: best = random.sample(objects, 3)