src/catalogue/views.py

   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.
   4 #
   5 from collections import OrderedDict
   6 import re
   7 import random
   8
   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
  20
  21 from ajaxable.utils import AjaxableFormView
  22 from pdcounter import models as pdcounter_models
  23 from pdcounter import views as pdcounter_views
  24 from picture.models import Picture, PictureArea
  25 from picture.views import picture_list_thumb
  26 from ssify import ssi_included, ssi_expect, SsiVariable as V
  27 from suggest.forms import PublishingSuggestForm
  28 from catalogue import constants
  29 from catalogue import forms
  30 from catalogue.helpers import get_top_level_related_tags
  31 from catalogue import models
  32 from catalogue.utils import split_tags
  33 from catalogue.templatetags.catalogue_tags import tag_list, collection_list
  34
  35 staff_required = user_passes_test(lambda user: user.is_staff)
  36
  37
  38 def catalogue(request, as_json=False):
  39     books = models.Book.objects.filter(parent=None)
  40     pictures = Picture.objects.all()
  41     collections = models.Collection.objects.all()
  42     return render(request, 'catalogue/catalogue.html', locals())
  43
  44
  45 def book_list(request, filter=None, get_filter=None,
  46         template_name='catalogue/book_list.html',
  47         nav_template_name='catalogue/snippets/book_list_nav.html',
  48         list_template_name='catalogue/snippets/book_list.html',
  49         context=None,
  50         ):
  51     """ generates a listing of all books, optionally filtered with a test function """
  52     if get_filter:
  53         filter = get_filter()
  54     books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
  55     books_nav = OrderedDict()
  56     for tag in books_by_author:
  57         if books_by_author[tag]:
  58             books_nav.setdefault(tag.sort_key[0], []).append(tag)
  59     rendered_nav = render_to_string(nav_template_name, locals())
  60     rendered_book_list = render_to_string(list_template_name, locals())
  61     return render_to_response(template_name, locals(),
  62         context_instance=RequestContext(request))
  63
  64
  65 def audiobook_list(request):
  66     books = models.Book.objects.filter(Q(media__type='mp3') | Q(media__type='ogg')).distinct()
  67     books = list(books)
  68     if len(books) > 3:
  69         best = random.sample(books, 3)
  70     else:
  71         best = books
  72
  73     daisy = models.Book.objects.filter(media__type='daisy').distinct()
  74
  75     return render(request, 'catalogue/audiobook_list.html', {
  76         'books': books,
  77         'best': best,
  78         'daisy': daisy,
  79         })
  80
  81
  82 def daisy_list(request):
  83     return book_list(request, Q(media__type='daisy'),
  84                      template_name='catalogue/daisy_list.html',
  85                      )
  86
  87
  88 def collection(request, slug):
  89     coll = get_object_or_404(models.Collection, slug=slug)
  90     return render(request, 'catalogue/collection.html',
  91         {'collection': coll})
  92
  93
  94 def differentiate_tags(request, tags, ambiguous_slugs):
  95     beginning = '/'.join(tag.url_chunk for tag in tags)
  96     unparsed = '/'.join(ambiguous_slugs[1:])
  97     options = []
  98     for tag in models.Tag.objects.filter(slug=ambiguous_slugs[0]):
  99         options.append({
 100             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
 101             'tags': [tag]
 102         })
 103     return render_to_response('catalogue/differentiate_tags.html',
 104                 {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]},
 105                 context_instance=RequestContext(request))
 106
 107
 108 # TODO: Rewrite this hellish piece of code which tries to do everything
 109 def tagged_object_list(request, tags='', gallery=False):
 110     raw_tags = tags
 111     # preliminary tests and conditions
 112     try:
 113         tags = models.Tag.get_tag_list(tags)
 114     except models.Tag.DoesNotExist:
 115         # Perhaps the user is asking about an author in Public Domain
 116         # counter (they are not represented in tags)
 117         chunks = tags.split('/')
 118         if len(chunks) == 2 and chunks[0] == 'autor':
 119             return pdcounter_views.author_detail(request, chunks[1])
 120         else:
 121             raise Http404
 122     except models.Tag.MultipleObjectsReturned, e:
 123         # Ask the user to disambiguate
 124         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
 125     except models.Tag.UrlDeprecationWarning, e:
 126         return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
 127
 128     try:
 129         if len(tags) > settings.MAX_TAG_LIST:
 130             raise Http404
 131     except AttributeError:
 132         pass
 133
 134     # beginning of digestion
 135     theme_is_set = [tag for tag in tags if tag.category == 'theme']
 136     shelf_is_set = [tag for tag in tags if tag.category == 'set']
 137     only_shelf = shelf_is_set and len(tags) == 1
 138     only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user
 139     tags_pks = [tag.pk for tag in tags]
 140
 141     objects = None
 142
 143     if theme_is_set:
 144         # Only fragments (or pirctureareas) here.
 145         shelf_tags = [tag for tag in tags if tag.category == 'set']
 146         fragment_tags = [tag for tag in tags if tag.category != 'set']
 147         if gallery:
 148             fragments = PictureArea.tagged.with_all(fragment_tags)
 149         else:
 150             fragments = models.Fragment.tagged.with_all(fragment_tags)
 151
 152         if shelf_tags:
 153             if gallery:
 154                 # TODO: Pictures on shelves not supported yet.
 155                 raise Http404
 156             else:
 157                 books = models.Book.tagged.with_all(shelf_tags).order_by()
 158                 fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))
 159
 160         categories = split_tags(
 161             models.Tag.objects.usage_for_queryset(fragments, counts=True
 162                 ).exclude(pk__in=tags_pks),
 163             )
 164
 165         objects = fragments
 166     else:
 167         if gallery:
 168             if shelf_is_set:
 169                 # TODO: Pictures on shelves not supported yet.
 170                 raise Http404
 171             else:
 172                 if tags:
 173                     objects = Picture.tagged.with_all(tags).order_by(
 174                         'sort_key_author', 'title')
 175                 else:
 176                     objects = Picture.objects.all().order_by(
 177                         'sort_key_author', 'title')
 178             areas = PictureArea.objects.filter(picture__in=objects)
 179             categories = split_tags(
 180                 models.Tag.objects.usage_for_queryset(
 181                     objects, counts=True).exclude(pk__in=tags_pks),
 182                 models.Tag.objects.usage_for_queryset(
 183                     areas, counts=True).filter(
 184                     category__in=('theme', 'thing')).exclude(
 185                     pk__in=tags_pks),
 186             )
 187         else:
 188             if tags:
 189                 all_books = models.Book.tagged.with_all(tags)
 190             else:
 191                 all_books = models.Book.objects.filter(parent=None)
 192             if shelf_is_set:
 193                 objects = all_books.order_by('sort_key_author', 'title')
 194                 related_book_tags = models.Tag.objects.usage_for_queryset(
 195                     objects, counts=True).exclude(
 196                     category='set').exclude(pk__in=tags_pks)
 197             else:
 198                 if tags:
 199                     objects = models.Book.tagged_top_level(tags).order_by(
 200                         'sort_key_author', 'title')
 201                 else:
 202                     objects = all_books.order_by('sort_key_author', 'title')
 203             related_book_tags = get_top_level_related_tags(tags)
 204
 205             fragments = models.Fragment.objects.filter(book__in=all_books)
 206
 207             categories = split_tags(
 208                 related_book_tags,
 209                 models.Tag.objects.usage_for_queryset(
 210                     fragments, counts=True).filter(
 211                     category='theme').exclude(pk__in=tags_pks),
 212             )
 213
 214     objects = list(objects)
 215     if len(objects) > 3:
 216         best = random.sample(objects, 3)
 217     else:
 218         best = objects
 219
 220     if not gallery and not objects and len(tags) == 1:
 221         tag = tags[0]
 222         if (tag.category in ('theme', 'thing') and PictureArea.tagged.with_any([tag]).exists() or
 223             Picture.tagged.with_any([tag]).exists()):
 224                 return redirect('tagged_object_list_gallery', raw_tags, permanent=False)
 225
 226     return render_to_response('catalogue/tagged_object_list.html',
 227         {
 228             'object_list': objects,
 229             'categories': categories,
 230             'only_shelf': only_shelf,
 231             'only_my_shelf': only_my_shelf,
 232             'formats_form': forms.DownloadFormatsForm(),
 233             'tags': tags,
 234             'tag_ids': tags_pks,
 235             'theme_is_set': theme_is_set,
 236             'best': best,
 237             'gallery': gallery,
 238         },
 239         context_instance=RequestContext(request))
 240
 241
 242 def book_fragments(request, slug, theme_slug):
 243     book = get_object_or_404(models.Book, slug=slug)
 244     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
 245     fragments = models.Fragment.tagged.with_all([theme]).filter(
 246         Q(book=book) | Q(book__ancestor=book))
 247
 248     return render_to_response('catalogue/book_fragments.html', locals(),
 249         context_instance=RequestContext(request))
 250
 251
 252 def book_detail(request, slug):
 253     try:
 254         book = models.Book.objects.get(slug=slug)
 255     except models.Book.DoesNotExist:
 256         return pdcounter_views.book_stub_detail(request, slug)
 257
 258     tags = book.tags.exclude(category__in=('set', 'theme'))
 259     book_children = book.children.all().order_by('parent_number', 'sort_key')
 260     return render_to_response('catalogue/book_detail.html', locals(),
 261         context_instance=RequestContext(request))
 262
 263
 264 def get_audiobooks(book):
 265     ogg_files = {}
 266     for m in book.media.filter(type='ogg').order_by().iterator():
 267         ogg_files[m.name] = m
 268
 269     audiobooks = []
 270     have_oggs = True
 271     projects = set()
 272     for mp3 in book.media.filter(type='mp3').iterator():
 273         # ogg files are always from the same project
 274         meta = mp3.extra_info
 275         project = meta.get('project')
 276         if not project:
 277             # temporary fallback
 278             project = u'CzytamySłuchając'
 279
 280         projects.add((project, meta.get('funded_by', '')))
 281
 282         media = {'mp3': mp3}
 283
 284         ogg = ogg_files.get(mp3.name)
 285         if ogg:
 286             media['ogg'] = ogg
 287         else:
 288             have_oggs = False
 289         audiobooks.append(media)
 290
 291     projects = sorted(projects)
 292     return audiobooks, projects, have_oggs
 293
 294
 295 def player(request, slug):
 296     book = get_object_or_404(models.Book, slug=slug)
 297     if not book.has_media('mp3'):
 298         raise Http404
 299
 300     audiobooks, projects, have_oggs = get_audiobooks(book)
 301
 302     extra_info = book.extra_info
 303
 304     return render_to_response('catalogue/player.html', locals(),
 305         context_instance=RequestContext(request))
 306
 307
 308 def book_text(request, slug):
 309     book = get_object_or_404(models.Book, slug=slug)
 310
 311     if not book.has_html_file():
 312         raise Http404
 313     return render_to_response('catalogue/book_text.html', locals(),
 314         context_instance=RequestContext(request))
 315
 316
 317 # ==========
 318 # = Search =
 319 # ==========
 320
 321 def _no_diacritics_regexp(query):
 322     """ returns a regexp for searching for a query without diacritics
 323
 324     should be locale-aware """
 325     names = {
 326         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', u'z':u'zźżŹŻ',
 327         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', u'ż':u'żŻ'
 328         }
 329     def repl(m):
 330         l = m.group()
 331         return u"(%s)" % '|'.join(names[l])
 332     return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
 333
 334 def unicode_re_escape(query):
 335     """ Unicode-friendly version of re.escape """
 336     return re.sub(r'(?u)(\W)', r'\\\1', query)
 337
 338 def _word_starts_with(name, prefix):
 339     """returns a Q object getting models having `name` contain a word
 340     starting with `prefix`
 341
 342     We define word characters as alphanumeric and underscore, like in JS.
 343
 344     Works for MySQL, PostgreSQL, Oracle.
 345     For SQLite, _sqlite* version is substituted for this.
 346     """
 347     kwargs = {}
 348
 349     prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
 350     # can't use [[:<:]] (word start),
 351     # but we want both `xy` and `(xy` to catch `(xyz)`
 352     kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix
 353
 354     return Q(**kwargs)
 355
 356
 357 def _word_starts_with_regexp(prefix):
 358     prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
 359     return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix
 360
 361
 362 def _sqlite_word_starts_with(name, prefix):
 363     """ version of _word_starts_with for SQLite
 364
 365     SQLite in Django uses Python re module
 366     """
 367     kwargs = {}
 368     kwargs['%s__iregex' % name] = _word_starts_with_regexp(prefix)
 369     return Q(**kwargs)
 370
 371
 372 if hasattr(settings, 'DATABASES'):
 373     if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
 374         _word_starts_with = _sqlite_word_starts_with
 375 elif settings.DATABASE_ENGINE == 'sqlite3':
 376     _word_starts_with = _sqlite_word_starts_with
 377
 378
 379 class App():
 380     def __init__(self, name, view):
 381         self.name = name
 382         self._view = view
 383         self.lower = name.lower()
 384         self.category = 'application'
 385     def view(self):
 386         return reverse(*self._view)
 387
 388 _apps = (
 389     App(u'Leśmianator', (u'lesmianator', )),
 390     )
 391
 392
 393 def _tags_starting_with(prefix, user=None):
 394     prefix = prefix.lower()
 395     # PD counter
 396     book_stubs = pdcounter_models.BookStub.objects.filter(_word_starts_with('title', prefix))
 397     authors = pdcounter_models.Author.objects.filter(_word_starts_with('name', prefix))
 398
 399     books = models.Book.objects.filter(_word_starts_with('title', prefix))
 400     tags = models.Tag.objects.filter(_word_starts_with('name', prefix))
 401     if user and user.is_authenticated():
 402         tags = tags.filter(~Q(category='set') | Q(user=user))
 403     else:
 404         tags = tags.exclude(category='set')
 405
 406     prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
 407     return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + list(authors)
 408
 409
 410 def _get_result_link(match, tag_list):
 411     if isinstance(match, models.Tag):
 412         return reverse('catalogue.views.tagged_object_list',
 413             kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])}
 414         )
 415     elif isinstance(match, App):
 416         return match.view()
 417     else:
 418         return match.get_absolute_url()
 419
 420
 421 def _get_result_type(match):
 422     if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub):
 423         match_type = 'book'
 424     else:
 425         match_type = match.category
 426     return match_type
 427
 428
 429 def books_starting_with(prefix):
 430     prefix = prefix.lower()
 431     return models.Book.objects.filter(_word_starts_with('title', prefix))
 432
 433
 434 def find_best_matches(query, user=None):
 435     """ Finds a models.Book, Tag, models.BookStub or Author best matching a query.
 436
 437     Returns a with:
 438       - zero elements when nothing is found,
 439       - one element when a best result is found,
 440       - more then one element on multiple exact matches
 441
 442     Raises a ValueError on too short a query.
 443     """
 444
 445     query = query.lower()
 446     if len(query) < 2:
 447         raise ValueError("query must have at least two characters")
 448
 449     result = tuple(_tags_starting_with(query, user))
 450     # remove pdcounter stuff
 451     book_titles = set(match.pretty_title().lower() for match in result
 452                       if isinstance(match, models.Book))
 453     authors = set(match.name.lower() for match in result
 454                   if isinstance(match, models.Tag) and match.category == 'author')
 455     result = tuple(res for res in result if not (
 456                  (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
 457                  or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)
 458              ))
 459
 460     exact_matches = tuple(res for res in result if res.name.lower() == query)
 461     if exact_matches:
 462         return exact_matches
 463     else:
 464         return tuple(result)[:1]
 465
 466
 467 def search(request):
 468     tags = request.GET.get('tags', '')
 469     prefix = request.GET.get('q', '')
 470
 471     try:
 472         tag_list = models.Tag.get_tag_list(tags)
 473     except:
 474         tag_list = []
 475
 476     try:
 477         result = find_best_matches(prefix, request.user)
 478     except ValueError:
 479         return render_to_response('catalogue/search_too_short.html', {'tags':tag_list, 'prefix':prefix},
 480             context_instance=RequestContext(request))
 481
 482     if len(result) == 1:
 483         return HttpResponseRedirect(_get_result_link(result[0], tag_list))
 484     elif len(result) > 1:
 485         return render_to_response('catalogue/search_multiple_hits.html',
 486             {'tags':tag_list, 'prefix':prefix, 'results':((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)},
 487             context_instance=RequestContext(request))
 488     else:
 489         form = PublishingSuggestForm(initial={"books": prefix + ", "})
 490         return render_to_response('catalogue/search_no_hits.html',
 491             {'tags':tag_list, 'prefix':prefix, "pubsuggest_form": form},
 492             context_instance=RequestContext(request))
 493
 494
 495 def tags_starting_with(request):
 496     prefix = request.GET.get('q', '')
 497     # Prefix must have at least 2 characters
 498     if len(prefix) < 2:
 499         return HttpResponse('')
 500     tags_list = []
 501     result = ""
 502     for tag in _tags_starting_with(prefix, request.user):
 503         if not tag.name in tags_list:
 504             result += "\n" + tag.name
 505             tags_list.append(tag.name)
 506     return HttpResponse(result)
 507
 508 def json_tags_starting_with(request, callback=None):
 509     # Callback for JSONP
 510     prefix = request.GET.get('q', '')
 511     callback = request.GET.get('callback', '')
 512     # Prefix must have at least 2 characters
 513     if len(prefix) < 2:
 514         return HttpResponse('')
 515     tags_list = []
 516     for tag in _tags_starting_with(prefix, request.user):
 517         if not tag.name in tags_list:
 518             tags_list.append(tag.name)
 519     if request.GET.get('mozhint', ''):
 520         result = [prefix, tags_list]
 521     else:
 522         result = {"matches": tags_list}
 523     response = JsonResponse(result, safe=False)
 524     if callback:
 525         response.content = callback + "(" + response.content + ");"
 526     return response
 527
 528
 529 # =========
 530 # = Admin =
 531 # =========
 532 @login_required
 533 @staff_required
 534 def import_book(request):
 535     """docstring for import_book"""
 536     book_import_form = forms.BookImportForm(request.POST, request.FILES)
 537     if book_import_form.is_valid():
 538         try:
 539             book_import_form.save()
 540         except:
 541             import sys
 542             import pprint
 543             import traceback
 544             info = sys.exc_info()
 545             exception = pprint.pformat(info[1])
 546             tb = '\n'.join(traceback.format_tb(info[2]))
 547             return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain')
 548         return HttpResponse(_("Book imported successfully"))
 549     else:
 550         return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
 551
 552
 553 # info views for API
 554
 555 def book_info(request, id, lang='pl'):
 556     book = get_object_or_404(models.Book, id=id)
 557     # set language by hand
 558     translation.activate(lang)
 559     return render_to_response('catalogue/book_info.html', locals(),
 560         context_instance=RequestContext(request))
 561
 562
 563 def tag_info(request, id):
 564     tag = get_object_or_404(models.Tag, id=id)
 565     return HttpResponse(tag.description)
 566
 567
 568 def download_zip(request, format, slug=None):
 569     url = None
 570     if format in models.Book.ebook_formats:
 571         url = models.Book.zip_format(format)
 572     elif format in ('mp3', 'ogg') and slug is not None:
 573         book = get_object_or_404(models.Book, slug=slug)
 574         url = book.zip_audiobooks(format)
 575     else:
 576         raise Http404('No format specified for zip package')
 577     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
 578
 579
 580 class CustomPDFFormView(AjaxableFormView):
 581     form_class = forms.CustomPDFForm
 582     title = ugettext_lazy('Download custom PDF')
 583     submit = ugettext_lazy('Download')
 584     honeypot = True
 585
 586     def __call__(self, *args, **kwargs):
 587         if settings.NO_CUSTOM_PDF:
 588             raise Http404('Custom PDF is disabled')
 589         return super(CustomPDFFormView, self).__call__(*args, **kwargs)
 590
 591     def form_args(self, request, obj):
 592         """Override to parse view args and give additional args to the form."""
 593         return (obj,), {}
 594
 595     def get_object(self, request, slug, *args, **kwargs):
 596         return get_object_or_404(models.Book, slug=slug)
 597
 598     def context_description(self, request, obj):
 599         return obj.pretty_title()
 600
 601
 602 ####
 603 # Includes
 604 ####
 605
 606
 607 @ssi_included
 608 def book_mini(request, pk, with_link=True):
 609     book = get_object_or_404(models.Book, pk=pk)
 610     author_str = ", ".join(tag.name
 611         for tag in book.tags.filter(category='author'))
 612     return render(request, 'catalogue/book_mini_box.html', {
 613         'book': book,
 614         'author_str': author_str,
 615         'with_link': with_link,
 616         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 617     })
 618
 619
 620 @ssi_included(get_ssi_vars=lambda pk: (lambda ipk: (
 621         ('ssify.get_csrf_token',),
 622         ('social_tags.likes_book', (ipk,)),
 623         ('social_tags.book_shelf_tags', (ipk,)),
 624     ))(ssi_expect(pk, int)))
 625 def book_short(request, pk):
 626     book = get_object_or_404(models.Book, pk=pk)
 627     stage_note, stage_note_url = book.stage_note()
 628     audiobooks, projects, have_oggs = get_audiobooks(book)
 629
 630     return render(request, 'catalogue/book_short.html', {
 631         'book': book,
 632         'has_audio': book.has_media('mp3'),
 633         'main_link': book.get_absolute_url(),
 634         'parents': book.parents(),
 635         'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
 636         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 637         'stage_note': stage_note,
 638         'stage_note_url': stage_note_url,
 639         'audiobooks': audiobooks,
 640         'have_oggs': have_oggs,
 641     })
 642
 643
 644 @ssi_included(get_ssi_vars=lambda pk: book_short.get_ssi_vars(pk) +
 645     (lambda ipk: (
 646         ('social_tags.choose_cite', [ipk]),
 647         ('catalogue_tags.choose_fragment', [ipk], {
 648             'unless': V('social_tags.choose_cite', [ipk])}),
 649     ))(ssi_expect(pk, int)))
 650 def book_wide(request, pk):
 651     book = get_object_or_404(models.Book, pk=pk)
 652     stage_note, stage_note_url = book.stage_note()
 653     extra_info = book.extra_info
 654     audiobooks, projects, have_oggs = get_audiobooks(book)
 655
 656     return render(request, 'catalogue/book_wide.html', {
 657         'book': book,
 658         'has_audio': book.has_media('mp3'),
 659         'parents': book.parents(),
 660         'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
 661         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 662         'stage_note': stage_note,
 663         'stage_note_url': stage_note_url,
 664
 665         'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
 666         'extra_info': extra_info,
 667         'hide_about': extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl'),
 668         'audiobooks': audiobooks,
 669         'have_oggs': have_oggs,
 670     })
 671
 672
 673 @ssi_included
 674 def fragment_short(request, pk):
 675     fragment = get_object_or_404(models.Fragment, pk=pk)
 676     return render(request, 'catalogue/fragment_short.html',
 677         {'fragment': fragment})
 678
 679
 680 @ssi_included
 681 def fragment_promo(request, pk):
 682     fragment = get_object_or_404(models.Fragment, pk=pk)
 683     return render(request, 'catalogue/fragment_promo.html', {
 684         'fragment': fragment
 685     })
 686
 687
 688 @ssi_included
 689 def tag_box(request, pk):
 690     tag = get_object_or_404(models.Tag, pk=pk)
 691     assert tag.category != 'set'
 692
 693     return render(request, 'catalogue/tag_box.html', {
 694         'tag': tag,
 695     })
 696
 697
 698 @ssi_included
 699 def collection_box(request, pk):
 700     obj = get_object_or_404(models.Collection, pk=pk)
 701
 702     return render(request, 'catalogue/collection_box.html', {
 703         'obj': obj,
 704     })
 705
 706
 707 def tag_catalogue(request, category):
 708     if category == 'theme':
 709         tags = models.Tag.objects.usage_for_model(
 710             models.Fragment, counts=True).filter(category='theme')
 711     else:
 712         tags = list(get_top_level_related_tags((), categories=(category,)))
 713
 714     if len(tags) > 3:
 715         best = random.sample(tags, 3)
 716     else:
 717         best = tags
 718
 719     return render(request, 'catalogue/tag_catalogue.html', {
 720         'tags': tags,
 721         'best': best,
 722         'title': constants.CATEGORIES_NAME_PLURAL[category],
 723     })
 724
 725
 726 def collections(request):
 727     objects = models.Collection.objects.all()
 728
 729     if len(objects) > 3:
 730         best = random.sample(objects, 3)
 731     else:
 732         best = objects
 733
 734     return render(request, 'catalogue/collections.html', {
 735         'objects': objects,
 736         'best': best,
 737     })