apps/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
   8 from django.conf import settings
   9 from django.template import RequestContext
  10 from django.template.loader import render_to_string
  11 from django.shortcuts import render_to_response, get_object_or_404, render
  12 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse
  13 from django.core.urlresolvers import reverse
  14 from django.db.models import Q
  15 from django.contrib.auth.decorators import login_required, user_passes_test
  16 from django.utils.http import urlquote_plus
  17 from django.utils import translation
  18 from django.utils.translation import ugettext as _, ugettext_lazy
  19
  20 from ajaxable.utils import AjaxableFormView
  21 from pdcounter import models as pdcounter_models
  22 from pdcounter import views as pdcounter_views
  23 from picture.models import Picture, PictureArea
  24 from picture.views import picture_list_thumb
  25 from ssify import ssi_included, ssi_expect, SsiVariable as V
  26 from suggest.forms import PublishingSuggestForm
  27 from catalogue import forms
  28 from catalogue.helpers import get_top_level_related_tags
  29 from catalogue import models
  30 from catalogue.utils import split_tags, MultiQuerySet, SortedMultiQuerySet
  31 from catalogue.templatetags.catalogue_tags import tag_list, collection_list
  32
  33 staff_required = user_passes_test(lambda user: user.is_staff)
  34
  35
  36 def catalogue(request, as_json=False):
  37     common_categories = ('author',)
  38     split_categories = ('epoch', 'genre', 'kind')
  39
  40     categories = split_tags(
  41         get_top_level_related_tags(categories=common_categories),
  42         models.Tag.objects.usage_for_model(
  43             models.Fragment, counts=True).filter(category='theme'),
  44         models.Tag.objects.usage_for_model(
  45             Picture, counts=True).filter(category__in=common_categories),
  46         models.Tag.objects.usage_for_model(
  47             PictureArea, counts=True).filter(
  48             category='theme')
  49     )
  50     book_categories = split_tags(
  51         get_top_level_related_tags(categories=split_categories)
  52         )
  53     picture_categories = split_tags(
  54         models.Tag.objects.usage_for_model(
  55             Picture, counts=True).filter(
  56             category__in=split_categories),
  57         )
  58
  59     collections = models.Collection.objects.all()
  60
  61     def render_tag_list(tags):
  62         render_to_string('catalogue/tag_list.html', tag_list(tags))
  63
  64     def render_split(with_books, with_pictures):
  65         ctx = {}
  66         if with_books:
  67             ctx['books'] = render_tag_list(with_books)
  68         if with_pictures:
  69             ctx['pictures'] = render_tag_list(with_pictures)
  70         return render_to_string('catalogue/tag_list_split.html', ctx)
  71
  72     output = {}
  73     output['theme'] = render_tag_list(categories.get('theme', []))
  74     for category in common_categories:
  75         output[category] = render_tag_list(categories.get(category, []))
  76     for category in split_categories:
  77         output[category] = render_split(
  78             book_categories.get(category, []),
  79             picture_categories.get(category, []))
  80
  81     output['collections'] = render_to_string(
  82         'catalogue/collection_list.html', collection_list(collections))
  83     if as_json:
  84         return JsonResponse(output)
  85     else:
  86         return render_to_response('catalogue/catalogue.html', locals(),
  87             context_instance=RequestContext(request))
  88
  89
  90 @ssi_included
  91 def catalogue_json(request):
  92     return catalogue(request, True)
  93
  94
  95 def book_list(request, filter=None, get_filter=None,
  96         template_name='catalogue/book_list.html',
  97         nav_template_name='catalogue/snippets/book_list_nav.html',
  98         list_template_name='catalogue/snippets/book_list.html',
  99         context=None,
 100         ):
 101     """ generates a listing of all books, optionally filtered with a test function """
 102     if get_filter:
 103         filter = get_filter()
 104     books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
 105     books_nav = OrderedDict()
 106     for tag in books_by_author:
 107         if books_by_author[tag]:
 108             books_nav.setdefault(tag.sort_key[0], []).append(tag)
 109     rendered_nav = render_to_string(nav_template_name, locals())
 110     rendered_book_list = render_to_string(list_template_name, locals())
 111     return render_to_response(template_name, locals(),
 112         context_instance=RequestContext(request))
 113
 114
 115 def audiobook_list(request):
 116     return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),
 117                      template_name='catalogue/audiobook_list.html',
 118                      list_template_name='catalogue/snippets/audiobook_list.html',
 119                      )
 120
 121
 122 def daisy_list(request):
 123     return book_list(request, Q(media__type='daisy'),
 124                      template_name='catalogue/daisy_list.html',
 125                      )
 126
 127
 128 def collection(request, slug):
 129     coll = get_object_or_404(models.Collection, slug=slug)
 130     if coll.kind == 'book':
 131         view = book_list
 132         tmpl = "catalogue/collection.html"
 133     elif coll.kind == 'picture':
 134         view = picture_list_thumb
 135         tmpl = "picture/collection.html"
 136     else:
 137         raise ValueError('How do I show this kind of collection? %s' % coll.kind)
 138     return view(request, get_filter=coll.get_query,
 139                      template_name=tmpl,
 140                      context={'collection': coll})
 141
 142
 143 def differentiate_tags(request, tags, ambiguous_slugs):
 144     beginning = '/'.join(tag.url_chunk for tag in tags)
 145     unparsed = '/'.join(ambiguous_slugs[1:])
 146     options = []
 147     for tag in models.Tag.objects.filter(slug=ambiguous_slugs[0]):
 148         options.append({
 149             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
 150             'tags': [tag]
 151         })
 152     return render_to_response('catalogue/differentiate_tags.html',
 153                 {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]},
 154                 context_instance=RequestContext(request))
 155
 156
 157 # TODO: Rewrite this hellish piece of code which tries to do everything
 158 def tagged_object_list(request, tags=''):
 159     # preliminary tests and conditions
 160     try:
 161         tags = models.Tag.get_tag_list(tags)
 162     except models.Tag.DoesNotExist:
 163         # Perhaps the user is asking about an author in Public Domain
 164         # counter (they are not represented in tags)
 165         chunks = tags.split('/')
 166         if len(chunks) == 2 and chunks[0] == 'autor':
 167             return pdcounter_views.author_detail(request, chunks[1])
 168         else:
 169             raise Http404
 170     except models.Tag.MultipleObjectsReturned, e:
 171         # Ask the user to disambiguate
 172         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
 173     except models.Tag.UrlDeprecationWarning, e:
 174         return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
 175
 176     try:
 177         if len(tags) > settings.MAX_TAG_LIST:
 178             raise Http404
 179     except AttributeError:
 180         pass
 181
 182     # beginning of digestion
 183     theme_is_set = [tag for tag in tags if tag.category == 'theme']
 184     shelf_is_set = [tag for tag in tags if tag.category == 'set']
 185     only_shelf = shelf_is_set and len(tags) == 1
 186     only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user
 187     tags_pks = [tag.pk for tag in tags]
 188
 189     objects = None
 190
 191     if theme_is_set:
 192         shelf_tags = [tag for tag in tags if tag.category == 'set']
 193         fragment_tags = [tag for tag in tags if tag.category != 'set']
 194         fragments = models.Fragment.tagged.with_all(fragment_tags)
 195         areas = PictureArea.tagged.with_all(fragment_tags)
 196
 197         if shelf_tags:
 198             books = models.Book.tagged.with_all(shelf_tags).order_by()
 199             fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))
 200             areas = PictureArea.objects.none()
 201
 202         categories = split_tags(
 203             models.Tag.objects.usage_for_queryset(fragments, counts=True
 204                 ).exclude(pk__in=tags_pks),
 205             models.Tag.objects.usage_for_queryset(areas, counts=True
 206                 ).exclude(pk__in=tags_pks)
 207             )
 208
 209         # we want the Pictures to go first
 210         objects = MultiQuerySet(areas, fragments)
 211     else:
 212         all_books = models.Book.tagged.with_all(tags)
 213         if shelf_is_set:
 214             books = all_books.order_by('sort_key_author', 'title')
 215             pictures = Pictures.objects.none()
 216             related_book_tags = models.Tag.objects.usage_for_queryset(
 217                 books, counts=True).exclude(
 218                 category='set').exclude(pk__in=tags_pks)
 219         else:
 220             books = models.Book.tagged_top_level(tags).order_by(
 221                 'sort_key_author', 'title')
 222             pictures = Picture.tagged.with_all(tags).order_by(
 223                 'sort_key_author', 'title')
 224             related_book_tags = get_top_level_related_tags(tags)
 225
 226         fragments = models.Fragment.objects.filter(book__in=all_books)
 227         areas = PictureArea.objects.filter(picture__in=pictures)
 228
 229         categories = split_tags(
 230             related_book_tags,
 231             models.Tag.objects.usage_for_queryset(
 232                 pictures, counts=True).exclude(pk__in=tags_pks),
 233             models.Tag.objects.usage_for_queryset(
 234                 fragments, counts=True).filter(
 235                 category='theme').exclude(pk__in=tags_pks),
 236             models.Tag.objects.usage_for_queryset(
 237                 areas, counts=True).filter(
 238                 category__in=('theme', 'thing')).exclude(
 239                 pk__in=tags_pks),
 240         )
 241
 242         objects = SortedMultiQuerySet(pictures, books,
 243             order_by=('sort_key_author', 'title'))
 244
 245     return render_to_response('catalogue/tagged_object_list.html',
 246         {
 247             'object_list': objects,
 248             'categories': categories,
 249             'only_shelf': only_shelf,
 250             'only_my_shelf': only_my_shelf,
 251             'formats_form': forms.DownloadFormatsForm(),
 252             'tags': tags,
 253             'tags_ids': tags_pks,
 254             'theme_is_set': theme_is_set,
 255         },
 256         context_instance=RequestContext(request))
 257
 258
 259 def book_fragments(request, slug, theme_slug):
 260     book = get_object_or_404(models.Book, slug=slug)
 261     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
 262     fragments = models.Fragment.tagged.with_all([theme]).filter(
 263         Q(book=book) | Q(book__ancestor=book))
 264
 265     return render_to_response('catalogue/book_fragments.html', locals(),
 266         context_instance=RequestContext(request))
 267
 268
 269 def book_detail(request, slug):
 270     try:
 271         book = models.Book.objects.get(slug=slug)
 272     except models.Book.DoesNotExist:
 273         return pdcounter_views.book_stub_detail(request, slug)
 274
 275     book_children = book.children.all().order_by('parent_number', 'sort_key')
 276     return render_to_response('catalogue/book_detail.html', locals(),
 277         context_instance=RequestContext(request))
 278
 279
 280 def player(request, slug):
 281     book = get_object_or_404(models.Book, slug=slug)
 282     if not book.has_media('mp3'):
 283         raise Http404
 284
 285     ogg_files = {}
 286     for m in book.media.filter(type='ogg').order_by().iterator():
 287         ogg_files[m.name] = m
 288
 289     audiobooks = []
 290     have_oggs = True
 291     projects = set()
 292     for mp3 in book.media.filter(type='mp3').iterator():
 293         # ogg files are always from the same project
 294         meta = mp3.extra_info
 295         project = meta.get('project')
 296         if not project:
 297             # temporary fallback
 298             project = u'CzytamySłuchając'
 299
 300         projects.add((project, meta.get('funded_by', '')))
 301
 302         media = {'mp3': mp3}
 303
 304         ogg = ogg_files.get(mp3.name)
 305         if ogg:
 306             media['ogg'] = ogg
 307         else:
 308             have_oggs = False
 309         audiobooks.append(media)
 310
 311     projects = sorted(projects)
 312
 313     extra_info = book.extra_info
 314
 315     return render_to_response('catalogue/player.html', locals(),
 316         context_instance=RequestContext(request))
 317
 318
 319 def book_text(request, slug):
 320     book = get_object_or_404(models.Book, slug=slug)
 321
 322     if not book.has_html_file():
 323         raise Http404
 324     return render_to_response('catalogue/book_text.html', locals(),
 325         context_instance=RequestContext(request))
 326
 327
 328 # ==========
 329 # = Search =
 330 # ==========
 331
 332 def _no_diacritics_regexp(query):
 333     """ returns a regexp for searching for a query without diacritics
 334
 335     should be locale-aware """
 336     names = {
 337         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',
 338         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'
 339         }
 340     def repl(m):
 341         l = m.group()
 342         return u"(%s)" % '|'.join(names[l])
 343     return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
 344
 345 def unicode_re_escape(query):
 346     """ Unicode-friendly version of re.escape """
 347     return re.sub(r'(?u)(\W)', r'\\\1', query)
 348
 349 def _word_starts_with(name, prefix):
 350     """returns a Q object getting models having `name` contain a word
 351     starting with `prefix`
 352
 353     We define word characters as alphanumeric and underscore, like in JS.
 354
 355     Works for MySQL, PostgreSQL, Oracle.
 356     For SQLite, _sqlite* version is substituted for this.
 357     """
 358     kwargs = {}
 359
 360     prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
 361     # can't use [[:<:]] (word start),
 362     # but we want both `xy` and `(xy` to catch `(xyz)`
 363     kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix
 364
 365     return Q(**kwargs)
 366
 367
 368 def _word_starts_with_regexp(prefix):
 369     prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
 370     return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix
 371
 372
 373 def _sqlite_word_starts_with(name, prefix):
 374     """ version of _word_starts_with for SQLite
 375
 376     SQLite in Django uses Python re module
 377     """
 378     kwargs = {}
 379     kwargs['%s__iregex' % name] = _word_starts_with_regexp(prefix)
 380     return Q(**kwargs)
 381
 382
 383 if hasattr(settings, 'DATABASES'):
 384     if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
 385         _word_starts_with = _sqlite_word_starts_with
 386 elif settings.DATABASE_ENGINE == 'sqlite3':
 387     _word_starts_with = _sqlite_word_starts_with
 388
 389
 390 class App():
 391     def __init__(self, name, view):
 392         self.name = name
 393         self._view = view
 394         self.lower = name.lower()
 395         self.category = 'application'
 396     def view(self):
 397         return reverse(*self._view)
 398
 399 _apps = (
 400     App(u'Leśmianator', (u'lesmianator', )),
 401     )
 402
 403
 404 def _tags_starting_with(prefix, user=None):
 405     prefix = prefix.lower()
 406     # PD counter
 407     book_stubs = pdcounter_models.BookStub.objects.filter(_word_starts_with('title', prefix))
 408     authors = pdcounter_models.Author.objects.filter(_word_starts_with('name', prefix))
 409
 410     books = models.Book.objects.filter(_word_starts_with('title', prefix))
 411     tags = models.Tag.objects.filter(_word_starts_with('name', prefix))
 412     if user and user.is_authenticated():
 413         tags = tags.filter(~Q(category='set') | Q(user=user))
 414     else:
 415         tags = tags.exclude(category='set')
 416
 417     prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
 418     return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + list(authors)
 419
 420
 421 def _get_result_link(match, tag_list):
 422     if isinstance(match, models.Tag):
 423         return reverse('catalogue.views.tagged_object_list',
 424             kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])}
 425         )
 426     elif isinstance(match, App):
 427         return match.view()
 428     else:
 429         return match.get_absolute_url()
 430
 431
 432 def _get_result_type(match):
 433     if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub):
 434         match_type = 'book'
 435     else:
 436         match_type = match.category
 437     return match_type
 438
 439
 440 def books_starting_with(prefix):
 441     prefix = prefix.lower()
 442     return models.Book.objects.filter(_word_starts_with('title', prefix))
 443
 444
 445 def find_best_matches(query, user=None):
 446     """ Finds a models.Book, Tag, models.BookStub or Author best matching a query.
 447
 448     Returns a with:
 449       - zero elements when nothing is found,
 450       - one element when a best result is found,
 451       - more then one element on multiple exact matches
 452
 453     Raises a ValueError on too short a query.
 454     """
 455
 456     query = query.lower()
 457     if len(query) < 2:
 458         raise ValueError("query must have at least two characters")
 459
 460     result = tuple(_tags_starting_with(query, user))
 461     # remove pdcounter stuff
 462     book_titles = set(match.pretty_title().lower() for match in result
 463                       if isinstance(match, models.Book))
 464     authors = set(match.name.lower() for match in result
 465                   if isinstance(match, models.Tag) and match.category == 'author')
 466     result = tuple(res for res in result if not (
 467                  (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
 468                  or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)
 469              ))
 470
 471     exact_matches = tuple(res for res in result if res.name.lower() == query)
 472     if exact_matches:
 473         return exact_matches
 474     else:
 475         return tuple(result)[:1]
 476
 477
 478 def search(request):
 479     tags = request.GET.get('tags', '')
 480     prefix = request.GET.get('q', '')
 481
 482     try:
 483         tag_list = models.Tag.get_tag_list(tags)
 484     except:
 485         tag_list = []
 486
 487     try:
 488         result = find_best_matches(prefix, request.user)
 489     except ValueError:
 490         return render_to_response('catalogue/search_too_short.html', {'tags':tag_list, 'prefix':prefix},
 491             context_instance=RequestContext(request))
 492
 493     if len(result) == 1:
 494         return HttpResponseRedirect(_get_result_link(result[0], tag_list))
 495     elif len(result) > 1:
 496         return render_to_response('catalogue/search_multiple_hits.html',
 497             {'tags':tag_list, 'prefix':prefix, 'results':((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)},
 498             context_instance=RequestContext(request))
 499     else:
 500         form = PublishingSuggestForm(initial={"books": prefix + ", "})
 501         return render_to_response('catalogue/search_no_hits.html',
 502             {'tags':tag_list, 'prefix':prefix, "pubsuggest_form": form},
 503             context_instance=RequestContext(request))
 504
 505
 506 def tags_starting_with(request):
 507     prefix = request.GET.get('q', '')
 508     # Prefix must have at least 2 characters
 509     if len(prefix) < 2:
 510         return HttpResponse('')
 511     tags_list = []
 512     result = ""
 513     for tag in _tags_starting_with(prefix, request.user):
 514         if not tag.name in tags_list:
 515             result += "\n" + tag.name
 516             tags_list.append(tag.name)
 517     return HttpResponse(result)
 518
 519 def json_tags_starting_with(request, callback=None):
 520     # Callback for JSONP
 521     prefix = request.GET.get('q', '')
 522     callback = request.GET.get('callback', '')
 523     # Prefix must have at least 2 characters
 524     if len(prefix) < 2:
 525         return HttpResponse('')
 526     tags_list = []
 527     for tag in _tags_starting_with(prefix, request.user):
 528         if not tag.name in tags_list:
 529             tags_list.append(tag.name)
 530     if request.GET.get('mozhint', ''):
 531         result = [prefix, tags_list]
 532     else:
 533         result = {"matches": tags_list}
 534     return JsonResponse(result, callback)
 535
 536
 537 # =========
 538 # = Admin =
 539 # =========
 540 @login_required
 541 @staff_required
 542 def import_book(request):
 543     """docstring for import_book"""
 544     book_import_form = forms.BookImportForm(request.POST, request.FILES)
 545     if book_import_form.is_valid():
 546         try:
 547             book_import_form.save()
 548         except:
 549             import sys
 550             import pprint
 551             import traceback
 552             info = sys.exc_info()
 553             exception = pprint.pformat(info[1])
 554             tb = '\n'.join(traceback.format_tb(info[2]))
 555             return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain')
 556         return HttpResponse(_("Book imported successfully"))
 557     else:
 558         return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
 559
 560
 561 # info views for API
 562
 563 def book_info(request, id, lang='pl'):
 564     book = get_object_or_404(models.Book, id=id)
 565     # set language by hand
 566     translation.activate(lang)
 567     return render_to_response('catalogue/book_info.html', locals(),
 568         context_instance=RequestContext(request))
 569
 570
 571 def tag_info(request, id):
 572     tag = get_object_or_404(models.Tag, id=id)
 573     return HttpResponse(tag.description)
 574
 575
 576 def download_zip(request, format, slug=None):
 577     url = None
 578     if format in models.Book.ebook_formats:
 579         url = models.Book.zip_format(format)
 580     elif format in ('mp3', 'ogg') and slug is not None:
 581         book = get_object_or_404(models.Book, slug=slug)
 582         url = book.zip_audiobooks(format)
 583     else:
 584         raise Http404('No format specified for zip package')
 585     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
 586
 587
 588 class CustomPDFFormView(AjaxableFormView):
 589     form_class = forms.CustomPDFForm
 590     title = ugettext_lazy('Download custom PDF')
 591     submit = ugettext_lazy('Download')
 592     honeypot = True
 593
 594     def __call__(self, *args, **kwargs):
 595         if settings.NO_CUSTOM_PDF:
 596             raise Http404('Custom PDF is disabled')
 597         return super(CustomPDFFormView, self).__call__(*args, **kwargs)
 598
 599     def form_args(self, request, obj):
 600         """Override to parse view args and give additional args to the form."""
 601         return (obj,), {}
 602
 603     def get_object(self, request, slug, *args, **kwargs):
 604         return get_object_or_404(models.Book, slug=slug)
 605
 606     def context_description(self, request, obj):
 607         return obj.pretty_title()
 608
 609
 610 ####
 611 # Includes
 612 ####
 613
 614
 615 @ssi_included
 616 def book_mini(request, pk, with_link=True):
 617     book = get_object_or_404(models.Book, pk=pk)
 618     author_str = ", ".join(tag.name
 619         for tag in book.tags.filter(category='author'))
 620     return render(request, 'catalogue/book_mini_box.html', {
 621         'book': book,
 622         'author_str': author_str,
 623         'with_link': with_link,
 624         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 625     })
 626
 627
 628 @ssi_included(get_ssi_vars=lambda pk: (lambda ipk: (
 629         ('ssify.get_csrf_token',),
 630         ('social_tags.likes_book', (ipk,)),
 631         ('social_tags.book_shelf_tags', (ipk,)),
 632     ))(ssi_expect(pk, int)))
 633 def book_short(request, pk):
 634     book = get_object_or_404(models.Book, pk=pk)
 635     stage_note, stage_note_url = book.stage_note()
 636
 637     return render(request, 'catalogue/book_short.html', {
 638         'book': book,
 639         'has_audio': book.has_media('mp3'),
 640         'main_link': book.get_absolute_url(),
 641         'parents': book.parents(),
 642         'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
 643         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 644         'stage_note': stage_note,
 645         'stage_note_url': stage_note_url,
 646     })
 647
 648
 649 @ssi_included(get_ssi_vars=lambda pk: book_short.get_ssi_vars(pk) +
 650     (lambda ipk: (
 651         ('social_tags.choose_cite', [ipk]),
 652         ('catalogue_tags.choose_fragment', [ipk], {
 653             'unless': V('social_tags.choose_cite', [ipk])}),
 654     ))(ssi_expect(pk, int)))
 655 def book_wide(request, pk):
 656     book = get_object_or_404(models.Book, pk=pk)
 657     stage_note, stage_note_url = book.stage_note()
 658     extra_info = book.extra_info
 659
 660     return render(request, 'catalogue/book_wide.html', {
 661         'book': book,
 662         'has_audio': book.has_media('mp3'),
 663         'parents': book.parents(),
 664         'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
 665         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 666         'stage_note': stage_note,
 667         'stage_note_url': stage_note_url,
 668
 669         'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
 670         'extra_info': extra_info,
 671         'hide_about': extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl'),
 672         'themes': book.related_themes(),
 673     })
 674
 675
 676 @ssi_included
 677 def fragment_short(request, pk):
 678     fragment = get_object_or_404(models.Fragment, pk=pk)
 679     return render(request, 'catalogue/fragment_short.html',
 680         {'fragment': fragment})
 681
 682
 683 @ssi_included
 684 def fragment_promo(request, pk):
 685     fragment = get_object_or_404(models.Fragment, pk=pk)
 686     return render(request, 'catalogue/fragment_promo.html', {
 687         'fragment': fragment
 688     })