1 # -*- coding: utf-8 -*-
2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
5 from collections import OrderedDict
9 from django.conf import settings
10 from django.template import RequestContext
11 from django.template.loader import render_to_string
12 from django.shortcuts import render_to_response, get_object_or_404, render, redirect
13 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse
14 from django.core.urlresolvers import reverse
15 from django.db.models import Q
16 from django.contrib.auth.decorators import login_required, user_passes_test
17 from django.utils.http import urlquote_plus
18 from django.utils import translation
19 from django.utils.translation import ugettext as _, ugettext_lazy
21 from ajaxable.utils import AjaxableFormView
22 from pdcounter.models import BookStub, Author
23 from pdcounter import views as pdcounter_views
24 from picture.models import Picture, PictureArea
25 from ssify import ssi_included, ssi_expect, SsiVariable as Var
26 from suggest.forms import PublishingSuggestForm
27 from catalogue import constants
28 from catalogue import forms
29 from catalogue.helpers import get_top_level_related_tags
30 from catalogue.models import Book, Collection, Tag, Fragment
31 from catalogue.utils import split_tags
33 staff_required = user_passes_test(lambda user: user.is_staff)
36 def catalogue(request):
37 return render(request, 'catalogue/catalogue.html', {
38 'books': Book.objects.filter(parent=None),
39 'pictures': Picture.objects.all(),
40 'collections': Collection.objects.all(),
41 'active_menu_item': 'all_works',
45 def book_list(request, filters=None, template_name='catalogue/book_list.html',
46 nav_template_name='catalogue/snippets/book_list_nav.html',
47 list_template_name='catalogue/snippets/book_list.html'):
48 """ generates a listing of all books, optionally filtered """
49 books_by_author, orphans, books_by_parent = Book.book_list(filters)
50 books_nav = OrderedDict()
51 for tag in books_by_author:
52 if books_by_author[tag]:
53 books_nav.setdefault(tag.sort_key[0], []).append(tag)
54 # WTF: dlaczego nie include?
55 return render_to_response(template_name, {
56 'rendered_nav': render_to_string(nav_template_name, {'books_nav': books_nav}),
57 'rendered_book_list': render_to_string(list_template_name, {
58 'books_by_author': books_by_author,
60 'books_by_parent': books_by_parent,
62 }, context_instance=RequestContext(request))
65 def daisy_list(request):
66 return book_list(request, Q(media__type='daisy'), template_name='catalogue/daisy_list.html')
69 def collection(request, slug):
70 coll = get_object_or_404(Collection, slug=slug)
71 return render(request, 'catalogue/collection.html', {'collection': coll})
74 def differentiate_tags(request, tags, ambiguous_slugs):
75 beginning = '/'.join(tag.url_chunk for tag in tags)
76 unparsed = '/'.join(ambiguous_slugs[1:])
78 for tag in Tag.objects.filter(slug=ambiguous_slugs[0]):
80 'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
83 return render_to_response(
84 'catalogue/differentiate_tags.html', {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]},
85 context_instance=RequestContext(request))
88 def object_list(request, objects, fragments=None, related_tags=None, tags=None, list_type='books', extra=None):
91 tag_ids = [tag.pk for tag in tags]
93 related_tag_lists = []
95 related_tag_lists.append(related_tags)
97 related_tag_lists.append(
98 Tag.objects.usage_for_queryset(objects, counts=True).exclude(category='set').exclude(pk__in=tag_ids))
99 if not (extra and extra.get('theme_is_set')):
100 if fragments is None:
101 if list_type == 'gallery':
102 fragments = PictureArea.objects.filter(picture__in=objects)
104 fragments = Fragment.objects.filter(book__in=objects)
105 related_tag_lists.append(
106 Tag.objects.usage_for_queryset(fragments, counts=True).filter(category='theme').exclude(pk__in=tag_ids))
108 categories = split_tags(*related_tag_lists)
110 objects = list(objects)
112 if not objects and len(tags) == 1 and list_type == 'books':
113 if PictureArea.tagged.with_any(tags).exists() or Picture.tagged.with_any(tags).exists():
114 return redirect('tagged_object_list_gallery', '/'.join(tag.url_chunk for tag in tags))
117 best = random.sample(objects, 3)
122 'object_list': objects,
123 'categories': categories,
124 'list_type': list_type,
127 'formats_form': forms.DownloadFormatsForm(),
129 'active_menu_item': list_type,
133 return render_to_response(
134 'catalogue/tagged_object_list.html', result,
135 context_instance=RequestContext(request))
138 def literature(request):
139 books = Book.objects.filter(parent=None)
141 # last_published = Book.objects.exclude(cover_thumb='').filter(parent=None).order_by('-created_at')[:20]
142 # most_popular = Book.objects.exclude(cover_thumb='')\
143 # .order_by('-popularity__count', 'sort_key_author', 'sort_key')[:20]
144 return object_list(request, books, related_tags=get_top_level_related_tags([]))
146 # 'last_published': last_published,
147 # 'most_popular': most_popular,
151 def gallery(request):
152 return object_list(request, Picture.objects.all(), list_type='gallery')
155 def audiobooks(request):
156 audiobooks = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct()
157 return object_list(request, audiobooks, list_type='audiobooks', extra={
158 'daisy': Book.objects.filter(media__type='daisy').distinct(),
162 class ResponseInstead(Exception):
163 def __init__(self, response):
164 super(ResponseInstead, self).__init__()
165 self.response = response
168 def analyse_tags(request, tag_str):
170 tags = Tag.get_tag_list(tag_str)
171 except Tag.DoesNotExist:
172 # Perhaps the user is asking about an author in Public Domain
173 # counter (they are not represented in tags)
174 chunks = tag_str.split('/')
175 if len(chunks) == 2 and chunks[0] == 'autor':
176 raise ResponseInstead(pdcounter_views.author_detail(request, chunks[1]))
179 except Tag.MultipleObjectsReturned, e:
180 # Ask the user to disambiguate
181 raise ResponseInstead(differentiate_tags(request, e.tags, e.ambiguous_slugs))
182 except Tag.UrlDeprecationWarning, e:
183 raise ResponseInstead(HttpResponsePermanentRedirect(
184 reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])))
187 if len(tags) > settings.MAX_TAG_LIST:
189 except AttributeError:
195 def theme_list(request, tags, list_type):
196 shelf_tags = [tag for tag in tags if tag.category == 'set']
197 fragment_tags = [tag for tag in tags if tag.category != 'set']
198 if list_type == 'gallery':
199 fragments = PictureArea.tagged.with_all(fragment_tags)
201 fragments = Fragment.tagged.with_all(fragment_tags)
204 # TODO: Pictures on shelves not supported yet.
205 books = Book.tagged.with_all(shelf_tags).order_by()
206 fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))
208 if not fragments and len(tags) == 1 and list_type == 'books':
209 if PictureArea.tagged.with_any(tags).exists() or Picture.tagged.with_any(tags).exists():
210 return redirect('tagged_object_list_gallery', '/'.join(tag.url_chunk for tag in tags))
212 return object_list(request, fragments, tags=tags, list_type=list_type, extra={
213 'theme_is_set': True,
214 'active_menu_item': 'theme',
218 def tagged_object_list(request, tags, list_type):
220 tags = analyse_tags(request, tags)
221 except ResponseInstead as e:
224 if list_type == 'gallery' and any(tag.category == 'set' for tag in tags):
227 if any(tag.category in ('theme', 'thing') for tag in tags):
228 return theme_list(request, tags, list_type=list_type)
230 if list_type == 'books':
231 books = Book.tagged.with_all(tags)
233 if any(tag.category == 'set' for tag in tags):
234 params = {'objects': books}
237 'objects': Book.tagged_top_level(tags),
238 'fragments': Fragment.objects.filter(book__in=books),
239 'related_tags': get_top_level_related_tags(tags),
241 elif list_type == 'gallery':
242 params = {'objects': Picture.tagged.with_all(tags)}
243 elif list_type == 'audiobooks':
244 audiobooks = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct()
246 'objects': Book.tagged.with_all(tags, audiobooks),
248 'daisy': Book.tagged.with_all(tags, audiobooks.filter(media__type='daisy').distinct()),
254 return object_list(request, tags=tags, list_type=list_type, **params)
257 def book_fragments(request, slug, theme_slug):
258 book = get_object_or_404(Book, slug=slug)
259 theme = get_object_or_404(Tag, slug=theme_slug, category='theme')
260 fragments = Fragment.tagged.with_all([theme]).filter(
261 Q(book=book) | Q(book__ancestor=book))
263 return render_to_response('catalogue/book_fragments.html', {
266 'fragments': fragments,
267 'active_menu_item': 'books',
268 }, context_instance=RequestContext(request))
271 def book_detail(request, slug):
273 book = Book.objects.get(slug=slug)
274 except Book.DoesNotExist:
275 return pdcounter_views.book_stub_detail(request, slug)
277 return render_to_response('catalogue/book_detail.html', {
279 'tags': book.tags.exclude(category__in=('set', 'theme')),
280 'book_children': book.children.all().order_by('parent_number', 'sort_key'),
281 'active_menu_item': 'books',
282 }, context_instance=RequestContext(request))
285 def get_audiobooks(book):
287 for m in book.media.filter(type='ogg').order_by().iterator():
288 ogg_files[m.name] = m
293 for mp3 in book.media.filter(type='mp3').iterator():
294 # ogg files are always from the same project
295 meta = mp3.extra_info
296 project = meta.get('project')
299 project = u'CzytamySłuchając'
301 projects.add((project, meta.get('funded_by', '')))
305 ogg = ogg_files.get(mp3.name)
310 audiobooks.append(media)
312 projects = sorted(projects)
313 return audiobooks, projects, have_oggs
316 # używane w publicznym interfejsie
317 def player(request, slug):
318 book = get_object_or_404(Book, slug=slug)
319 if not book.has_media('mp3'):
322 audiobooks, projects, have_oggs = get_audiobooks(book)
324 return render_to_response('catalogue/player.html', {
327 'audiobooks': audiobooks,
328 'projects': projects,
329 }, context_instance=RequestContext(request))
332 def book_text(request, slug):
333 book = get_object_or_404(Book, slug=slug)
335 if not book.has_html_file():
337 return render_to_response('catalogue/book_text.html', {'book': book}, context_instance=RequestContext(request))
344 def _no_diacritics_regexp(query):
345 """ returns a regexp for searching for a query without diacritics
347 should be locale-aware """
349 u'a': u'aąĄ', u'c': u'cćĆ', u'e': u'eęĘ', u'l': u'lłŁ', u'n': u'nńŃ', u'o': u'oóÓ', u's': u'sśŚ',
351 u'ą': u'ąĄ', u'ć': u'ćĆ', u'ę': u'ęĘ', u'ł': u'łŁ', u'ń': u'ńŃ', u'ó': u'óÓ', u'ś': u'śŚ', u'ź': u'źŹ',
357 return u"(?:%s)" % '|'.join(names[l])
359 return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
362 def unicode_re_escape(query):
363 """ Unicode-friendly version of re.escape """
364 return re.sub(r'(?u)(\W)', r'\\\1', query)
367 def _word_starts_with(name, prefix):
368 """returns a Q object getting models having `name` contain a word
369 starting with `prefix`
371 We define word characters as alphanumeric and underscore, like in JS.
373 Works for MySQL, PostgreSQL, Oracle.
374 For SQLite, _sqlite* version is substituted for this.
378 prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
379 # can't use [[:<:]] (word start),
380 # but we want both `xy` and `(xy` to catch `(xyz)`
381 kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix
386 def _word_starts_with_regexp(prefix):
387 prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
388 return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix
391 def _sqlite_word_starts_with(name, prefix):
392 """ version of _word_starts_with for SQLite
394 SQLite in Django uses Python re module
396 kwargs = {'%s__iregex' % name: _word_starts_with_regexp(prefix)}
400 if hasattr(settings, 'DATABASES'):
401 if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
402 _word_starts_with = _sqlite_word_starts_with
403 elif settings.DATABASE_ENGINE == 'sqlite3':
404 _word_starts_with = _sqlite_word_starts_with
408 def __init__(self, name, view):
411 self.lower = name.lower()
412 self.category = 'application'
415 return reverse(*self._view)
418 App(u'Leśmianator', (u'lesmianator', )),
422 def _tags_starting_with(prefix, user=None):
423 prefix = prefix.lower()
425 book_stubs = BookStub.objects.filter(_word_starts_with('title', prefix))
426 authors = Author.objects.filter(_word_starts_with('name', prefix))
428 books = Book.objects.filter(_word_starts_with('title', prefix))
429 tags = Tag.objects.filter(_word_starts_with('name', prefix))
430 if user and user.is_authenticated():
431 tags = tags.filter(~Q(category='set') | Q(user=user))
433 tags = tags.exclude(category='set')
435 prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
436 return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + \
440 def _get_result_link(match, tag_list):
441 if isinstance(match, Tag):
442 return reverse('catalogue.views.tagged_object_list',
443 kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])})
444 elif isinstance(match, App):
447 return match.get_absolute_url()
450 def _get_result_type(match):
451 if isinstance(match, Book) or isinstance(match, BookStub):
454 match_type = match.category
458 def books_starting_with(prefix):
459 prefix = prefix.lower()
460 return Book.objects.filter(_word_starts_with('title', prefix))
463 def find_best_matches(query, user=None):
464 """ Finds a Book, Tag, BookStub or Author best matching a query.
467 - zero elements when nothing is found,
468 - one element when a best result is found,
469 - more then one element on multiple exact matches
471 Raises a ValueError on too short a query.
474 query = query.lower()
476 raise ValueError("query must have at least two characters")
478 result = tuple(_tags_starting_with(query, user))
479 # remove pdcounter stuff
480 book_titles = set(match.pretty_title().lower() for match in result
481 if isinstance(match, Book))
482 authors = set(match.name.lower() for match in result
483 if isinstance(match, Tag) and match.category == 'author')
484 result = tuple(res for res in result if not (
485 (isinstance(res, BookStub) and res.pretty_title().lower() in book_titles) or
486 (isinstance(res, Author) and res.name.lower() in authors)
489 exact_matches = tuple(res for res in result if res.name.lower() == query)
493 return tuple(result)[:1]
497 tags = request.GET.get('tags', '')
498 prefix = request.GET.get('q', '')
501 tag_list = Tag.get_tag_list(tags)
502 except (Tag.DoesNotExist, Tag.MultipleObjectsReturned, Tag.UrlDeprecationWarning):
506 result = find_best_matches(prefix, request.user)
508 return render_to_response(
509 'catalogue/search_too_short.html', {'tags': tag_list, 'prefix': prefix},
510 context_instance=RequestContext(request))
513 return HttpResponseRedirect(_get_result_link(result[0], tag_list))
514 elif len(result) > 1:
515 return render_to_response(
516 'catalogue/search_multiple_hits.html',
518 'tags': tag_list, 'prefix': prefix,
519 'results': ((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)
521 context_instance=RequestContext(request))
523 form = PublishingSuggestForm(initial={"books": prefix + ", "})
524 return render_to_response(
525 'catalogue/search_no_hits.html',
526 {'tags': tag_list, 'prefix': prefix, "pubsuggest_form": form},
527 context_instance=RequestContext(request))
530 def tags_starting_with(request):
531 prefix = request.GET.get('q', '')
532 # Prefix must have at least 2 characters
534 return HttpResponse('')
537 for tag in _tags_starting_with(prefix, request.user):
538 if tag.name not in tags_list:
539 result += "\n" + tag.name
540 tags_list.append(tag.name)
541 return HttpResponse(result)
544 def json_tags_starting_with(request, callback=None):
546 prefix = request.GET.get('q', '')
547 callback = request.GET.get('callback', '')
548 # Prefix must have at least 2 characters
550 return HttpResponse('')
552 for tag in _tags_starting_with(prefix, request.user):
553 if tag.name not in tags_list:
554 tags_list.append(tag.name)
555 if request.GET.get('mozhint', ''):
556 result = [prefix, tags_list]
558 result = {"matches": tags_list}
559 response = JsonResponse(result, safe=False)
561 response.content = callback + "(" + response.content + ");"
570 def import_book(request):
571 """docstring for import_book"""
572 book_import_form = forms.BookImportForm(request.POST, request.FILES)
573 if book_import_form.is_valid():
575 book_import_form.save()
580 info = sys.exc_info()
581 exception = pprint.pformat(info[1])
582 tb = '\n'.join(traceback.format_tb(info[2]))
584 _("An error occurred: %(exception)s\n\n%(tb)s") % {'exception': exception, 'tb': tb},
585 mimetype='text/plain')
586 return HttpResponse(_("Book imported successfully"))
588 return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
593 def book_info(request, book_id, lang='pl'):
594 book = get_object_or_404(Book, id=book_id)
595 # set language by hand
596 translation.activate(lang)
597 return render_to_response('catalogue/book_info.html', {'book': book}, context_instance=RequestContext(request))
600 def tag_info(request, tag_id):
601 tag = get_object_or_404(Tag, id=tag_id)
602 return HttpResponse(tag.description)
605 def download_zip(request, format, slug=None):
606 if format in Book.ebook_formats:
607 url = Book.zip_format(format)
608 elif format in ('mp3', 'ogg') and slug is not None:
609 book = get_object_or_404(Book, slug=slug)
610 url = book.zip_audiobooks(format)
612 raise Http404('No format specified for zip package')
613 return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
616 class CustomPDFFormView(AjaxableFormView):
617 form_class = forms.CustomPDFForm
618 title = ugettext_lazy('Download custom PDF')
619 submit = ugettext_lazy('Download')
622 def __call__(self, *args, **kwargs):
623 if settings.NO_CUSTOM_PDF:
624 raise Http404('Custom PDF is disabled')
625 return super(CustomPDFFormView, self).__call__(*args, **kwargs)
627 def form_args(self, request, obj):
628 """Override to parse view args and give additional args to the form."""
631 def get_object(self, request, slug, *args, **kwargs):
632 return get_object_or_404(Book, slug=slug)
634 def context_description(self, request, obj):
635 return obj.pretty_title()
644 def book_mini(request, pk, with_link=True):
645 # book = get_object_or_404(Book, pk=pk)
647 book = Book.objects.only('cover_thumb', 'title', 'language', 'slug').get(pk=pk)
648 except Book.DoesNotExist:
650 return render(request, 'catalogue/book_mini_box.html', {
652 'no_link': not with_link,
656 @ssi_included(get_ssi_vars=lambda pk: (lambda ipk: (
657 ('ssify.get_csrf_token',),
658 ('social_tags.likes_book', (ipk,)),
659 ('social_tags.book_shelf_tags', (ipk,)),
660 ))(ssi_expect(pk, int)))
661 def book_short(request, pk):
662 book = get_object_or_404(Book, pk=pk)
663 stage_note, stage_note_url = book.stage_note()
664 audiobooks, projects, have_oggs = get_audiobooks(book)
666 return render(request, 'catalogue/book_short.html', {
668 'has_audio': book.has_media('mp3'),
669 'main_link': book.get_absolute_url(),
670 'parents': book.parents(),
671 'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
672 'show_lang': book.language_code() != settings.LANGUAGE_CODE,
673 'stage_note': stage_note,
674 'stage_note_url': stage_note_url,
675 'audiobooks': audiobooks,
676 'have_oggs': have_oggs,
681 get_ssi_vars=lambda pk: book_short.get_ssi_vars(pk) +
683 ('social_tags.choose_cite', [ipk]),
684 ('catalogue_tags.choose_fragment', [ipk], {
685 'unless': Var('social_tags.choose_cite', [ipk])}),
686 ))(ssi_expect(pk, int)))
687 def book_wide(request, pk):
688 book = get_object_or_404(Book, pk=pk)
689 stage_note, stage_note_url = book.stage_note()
690 extra_info = book.extra_info
691 audiobooks, projects, have_oggs = get_audiobooks(book)
693 return render(request, 'catalogue/book_wide.html', {
695 'has_audio': book.has_media('mp3'),
696 'parents': book.parents(),
697 'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
698 'show_lang': book.language_code() != settings.LANGUAGE_CODE,
699 'stage_note': stage_note,
700 'stage_note_url': stage_note_url,
702 'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
703 'extra_info': extra_info,
704 'hide_about': extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl'),
705 'audiobooks': audiobooks,
706 'have_oggs': have_oggs,
711 def fragment_short(request, pk):
712 fragment = get_object_or_404(Fragment, pk=pk)
713 return render(request, 'catalogue/fragment_short.html', {'fragment': fragment})
717 def fragment_promo(request, pk):
718 fragment = get_object_or_404(Fragment, pk=pk)
719 return render(request, 'catalogue/fragment_promo.html', {'fragment': fragment})
723 def tag_box(request, pk):
724 tag = get_object_or_404(Tag, pk=pk)
725 assert tag.category != 'set'
727 return render(request, 'catalogue/tag_box.html', {
733 def collection_box(request, pk):
734 collection = get_object_or_404(Collection, pk=pk)
736 return render(request, 'catalogue/collection_box.html', {
737 'collection': collection,
741 def tag_catalogue(request, category):
742 if category == 'theme':
743 tags = Tag.objects.usage_for_model(
744 Fragment, counts=True).filter(category='theme')
746 tags = list(get_top_level_related_tags((), categories=(category,)))
748 described_tags = [tag for tag in tags if tag.description]
750 if len(described_tags) > 4:
751 best = random.sample(described_tags, 4)
753 best = described_tags
755 return render(request, 'catalogue/tag_catalogue.html', {
758 'title': constants.CATEGORIES_NAME_PLURAL[category],
759 'whole_category': constants.WHOLE_CATEGORY[category],
760 'active_menu_item': 'theme' if category == 'theme' else None,
764 def collections(request):
765 objects = Collection.objects.all()
768 best = random.sample(objects, 3)
772 return render(request, 'catalogue/collections.html', {