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.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
  32
  33 staff_required = user_passes_test(lambda user: user.is_staff)
  34
  35
  36 def catalogue(request):
  37     return render(request, 'catalogue/catalogue.html', {
  38         'books': Book.objects.filter(parent=None).order_by('sort_key_author', 'sort_key'),
  39         'pictures': Picture.objects.order_by('sort_key_author', 'sort_key'),
  40         'collections': Collection.objects.all(),
  41     })
  42
  43
  44 def book_list(request, filter=None, get_filter=None, template_name='catalogue/book_list.html',
  45               nav_template_name='catalogue/snippets/book_list_nav.html',
  46               list_template_name='catalogue/snippets/book_list.html', context=None):
  47     """ generates a listing of all books, optionally filtered with a test function """
  48     if get_filter:
  49         filter = get_filter()
  50     books_by_author, orphans, books_by_parent = Book.book_list(filter)
  51     books_nav = OrderedDict()
  52     for tag in books_by_author:
  53         if books_by_author[tag]:
  54             books_nav.setdefault(tag.sort_key[0], []).append(tag)
  55     # WTF: dlaczego nie include?
  56     return render_to_response(template_name, {
  57         'rendered_nav': render_to_string(nav_template_name, {'books_nav': books_nav}),
  58         'rendered_book_list': render_to_string(list_template_name, {
  59             'books_by_author': books_by_author,
  60             'orphans': orphans,
  61             'books_by_parent': books_by_parent,
  62         })
  63     }, context_instance=RequestContext(request))
  64
  65
  66 def audiobook_list(request):
  67     books = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct().order_by(
  68         'sort_key_author', 'sort_key')
  69     books = list(books)
  70     if len(books) > 3:
  71         best = random.sample(books, 3)
  72     else:
  73         best = books
  74
  75     daisy = Book.objects.filter(media__type='daisy').distinct().order_by('sort_key_author', 'sort_key')
  76
  77     return render(request, 'catalogue/audiobook_list.html', {
  78         'books': books,
  79         'best': best,
  80         'daisy': daisy,
  81         })
  82
  83
  84 def daisy_list(request):
  85     return book_list(request, Q(media__type='daisy'),
  86                      template_name='catalogue/daisy_list.html',
  87                      )
  88
  89
  90 def collection(request, slug):
  91     coll = get_object_or_404(Collection, slug=slug)
  92     return render(request, 'catalogue/collection.html', {'collection': coll})
  93
  94
  95 def differentiate_tags(request, tags, ambiguous_slugs):
  96     beginning = '/'.join(tag.url_chunk for tag in tags)
  97     unparsed = '/'.join(ambiguous_slugs[1:])
  98     options = []
  99     for tag in Tag.objects.filter(slug=ambiguous_slugs[0]):
 100         options.append({
 101             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
 102             'tags': [tag]
 103         })
 104     return render_to_response(
 105         'catalogue/differentiate_tags.html', {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]},
 106         context_instance=RequestContext(request))
 107
 108
 109 # TODO: Rewrite this hellish piece of code which tries to do everything
 110 def tagged_object_list(request, tags='', list_type='default'):
 111     raw_tags = tags
 112     # preliminary tests and conditions
 113     gallery = list_type == 'gallery'
 114     audiobooks = list_type == 'audiobooks'
 115     try:
 116         tags = Tag.get_tag_list(tags)
 117     except Tag.DoesNotExist:
 118         # Perhaps the user is asking about an author in Public Domain
 119         # counter (they are not represented in tags)
 120         chunks = tags.split('/')
 121         if len(chunks) == 2 and chunks[0] == 'autor':
 122             return pdcounter_views.author_detail(request, chunks[1])
 123         else:
 124             raise Http404
 125     except Tag.MultipleObjectsReturned, e:
 126         # Ask the user to disambiguate
 127         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
 128     except Tag.UrlDeprecationWarning, e:
 129         return HttpResponsePermanentRedirect(
 130             reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
 131
 132     try:
 133         if len(tags) > settings.MAX_TAG_LIST:
 134             raise Http404
 135     except AttributeError:
 136         pass
 137
 138     # beginning of digestion
 139     theme_is_set = any(tag.category == 'theme' for tag in tags)
 140     shelf_is_set = any(tag.category == 'set' for tag in tags)
 141     only_shelf = shelf_is_set and len(tags) == 1
 142     only_my_shelf = only_shelf and request.user == tags[0].user
 143     tags_pks = [tag.pk for tag in tags]
 144
 145     if gallery and shelf_is_set:
 146         raise Http404
 147
 148     daisy = None
 149     if theme_is_set:
 150         # Only fragments (or pirctureareas) here.
 151         shelf_tags = [tag for tag in tags if tag.category == 'set']
 152         fragment_tags = [tag for tag in tags if tag.category != 'set']
 153         if gallery:
 154             fragments = PictureArea.tagged.with_all(fragment_tags)
 155         else:
 156             fragments = Fragment.tagged.with_all(fragment_tags)
 157
 158         if shelf_tags:
 159             # TODO: Pictures on shelves not supported yet.
 160             books = Book.tagged.with_all(shelf_tags).order_by()
 161             fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))
 162
 163         categories = split_tags(
 164             Tag.objects.usage_for_queryset(fragments, counts=True).exclude(pk__in=tags_pks),
 165         )
 166
 167         objects = fragments
 168     else:
 169         if gallery:
 170             # TODO: Pictures on shelves not supported yet.
 171             if tags:
 172                 objects = Picture.tagged.with_all(tags)
 173             else:
 174                 objects = Picture.objects.all()
 175             areas = PictureArea.objects.filter(picture__in=objects)
 176             categories = split_tags(
 177                 Tag.objects.usage_for_queryset(
 178                     objects, counts=True).exclude(pk__in=tags_pks),
 179                 Tag.objects.usage_for_queryset(
 180                     areas, counts=True).filter(
 181                     category__in=('theme', 'thing')).exclude(
 182                     pk__in=tags_pks),
 183             )
 184         else:
 185             if audiobooks:
 186                 all_books = Book.objects.filter(media__type__in=('mp3', 'ogg')).distinct()
 187                 if tags:
 188                     all_books = Book.tagged.with_all(tags, all_books)
 189                 objects = all_books
 190                 # there's never only the daisy audiobook
 191                 daisy = objects.filter(media__type='daisy').distinct().order_by('sort_key_author', 'sort_key')
 192                 related_book_tags = Tag.objects.usage_for_queryset(
 193                     objects, counts=True).exclude(
 194                     category='set').exclude(pk__in=tags_pks)
 195             else:
 196                 if tags:
 197                     all_books = Book.tagged.with_all(tags)
 198                 else:
 199                     all_books = Book.objects.filter(parent=None)
 200                 if shelf_is_set:
 201                     objects = all_books
 202                     related_book_tags = Tag.objects.usage_for_queryset(
 203                         objects, counts=True).exclude(
 204                         category='set').exclude(pk__in=tags_pks)
 205                 else:
 206                     if tags:
 207                         objects = Book.tagged_top_level(tags)
 208                     else:
 209                         objects = all_books
 210                     related_book_tags = get_top_level_related_tags(tags)
 211
 212             fragments = Fragment.objects.filter(book__in=all_books)
 213
 214             categories = split_tags(
 215                 related_book_tags,
 216                 Tag.objects.usage_for_queryset(
 217                     fragments, counts=True).filter(
 218                     category='theme').exclude(pk__in=tags_pks),
 219             )
 220         objects = objects.order_by('sort_key_author', 'sort_key')
 221
 222     objects = list(objects)
 223     if len(objects) > 3:
 224         best = random.sample(objects, 3)
 225     else:
 226         best = objects
 227
 228     if not gallery and not objects and len(tags) == 1:
 229         tag = tags[0]
 230         if tag.category in ('theme', 'thing') and (
 231                 PictureArea.tagged.with_any([tag]).exists() or
 232                 Picture.tagged.with_any([tag]).exists()):
 233             return redirect('tagged_object_list_gallery', raw_tags)
 234
 235     return render_to_response(
 236         'catalogue/tagged_object_list.html',
 237         {
 238             'object_list': objects,
 239             'categories': categories,
 240             'only_shelf': only_shelf,
 241             'only_my_shelf': only_my_shelf,
 242             'formats_form': forms.DownloadFormatsForm(),
 243             'tags': tags,
 244             'tag_ids': tags_pks,
 245             'theme_is_set': theme_is_set,
 246             'best': best,
 247             'list_type': list_type,
 248             'daisy': daisy,
 249         },
 250         context_instance=RequestContext(request))
 251
 252
 253 def book_fragments(request, slug, theme_slug):
 254     book = get_object_or_404(Book, slug=slug)
 255     theme = get_object_or_404(Tag, slug=theme_slug, category='theme')
 256     fragments = Fragment.tagged.with_all([theme]).filter(
 257         Q(book=book) | Q(book__ancestor=book))
 258
 259     return render_to_response('catalogue/book_fragments.html', {
 260         'book': book,
 261         'theme': theme,
 262         'fragments': fragments,
 263     }, context_instance=RequestContext(request))
 264
 265
 266 def book_detail(request, slug):
 267     try:
 268         book = Book.objects.get(slug=slug)
 269     except Book.DoesNotExist:
 270         return pdcounter_views.book_stub_detail(request, slug)
 271
 272     return render_to_response('catalogue/book_detail.html', {
 273         'book': book,
 274         'tags': book.tags.exclude(category__in=('set', 'theme')),
 275         'book_children': book.children.all().order_by('parent_number', 'sort_key'),
 276     }, context_instance=RequestContext(request))
 277
 278
 279 def get_audiobooks(book):
 280     ogg_files = {}
 281     for m in book.media.filter(type='ogg').order_by().iterator():
 282         ogg_files[m.name] = m
 283
 284     audiobooks = []
 285     have_oggs = True
 286     projects = set()
 287     for mp3 in book.media.filter(type='mp3').iterator():
 288         # ogg files are always from the same project
 289         meta = mp3.extra_info
 290         project = meta.get('project')
 291         if not project:
 292             # temporary fallback
 293             project = u'CzytamySłuchając'
 294
 295         projects.add((project, meta.get('funded_by', '')))
 296
 297         media = {'mp3': mp3}
 298
 299         ogg = ogg_files.get(mp3.name)
 300         if ogg:
 301             media['ogg'] = ogg
 302         else:
 303             have_oggs = False
 304         audiobooks.append(media)
 305
 306     projects = sorted(projects)
 307     return audiobooks, projects, have_oggs
 308
 309
 310 # używane tylko do audiobook_tree, które jest używane tylko w snippets/audiobook_list.html, które nie jest używane
 311 def player(request, slug):
 312     book = get_object_or_404(Book, slug=slug)
 313     if not book.has_media('mp3'):
 314         raise Http404
 315
 316     audiobooks, projects, have_oggs = get_audiobooks(book)
 317
 318     # extra_info = book.extra_info
 319
 320     return render_to_response('catalogue/player.html', {
 321         'book': book,
 322         'audiobook': '',
 323         'audiobooks': audiobooks,
 324         'projects': projects,
 325     }, context_instance=RequestContext(request))
 326
 327
 328 def book_text(request, slug):
 329     book = get_object_or_404(Book, slug=slug)
 330
 331     if not book.has_html_file():
 332         raise Http404
 333     return render_to_response('catalogue/book_text.html', {'book': book,}, context_instance=RequestContext(request))
 334
 335
 336 # ==========
 337 # = Search =
 338 # ==========
 339
 340 def _no_diacritics_regexp(query):
 341     """ returns a regexp for searching for a query without diacritics
 342
 343     should be locale-aware """
 344     names = {
 345         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',
 346         u'z': u'zźżŹŻ',
 347         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',
 348         u'ż': u'żŻ'
 349         }
 350
 351     def repl(m):
 352         l = m.group()
 353         return u"(%s)" % '|'.join(names[l])
 354
 355     return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
 356
 357
 358 def unicode_re_escape(query):
 359     """ Unicode-friendly version of re.escape """
 360     return re.sub(r'(?u)(\W)', r'\\\1', query)
 361
 362
 363 def _word_starts_with(name, prefix):
 364     """returns a Q object getting models having `name` contain a word
 365     starting with `prefix`
 366
 367     We define word characters as alphanumeric and underscore, like in JS.
 368
 369     Works for MySQL, PostgreSQL, Oracle.
 370     For SQLite, _sqlite* version is substituted for this.
 371     """
 372     kwargs = {}
 373
 374     prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
 375     # can't use [[:<:]] (word start),
 376     # but we want both `xy` and `(xy` to catch `(xyz)`
 377     kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix
 378
 379     return Q(**kwargs)
 380
 381
 382 def _word_starts_with_regexp(prefix):
 383     prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
 384     return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix
 385
 386
 387 def _sqlite_word_starts_with(name, prefix):
 388     """ version of _word_starts_with for SQLite
 389
 390     SQLite in Django uses Python re module
 391     """
 392     kwargs = {'%s__iregex' % name: _word_starts_with_regexp(prefix)}
 393     return Q(**kwargs)
 394
 395
 396 if hasattr(settings, 'DATABASES'):
 397     if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
 398         _word_starts_with = _sqlite_word_starts_with
 399 elif settings.DATABASE_ENGINE == 'sqlite3':
 400     _word_starts_with = _sqlite_word_starts_with
 401
 402
 403 class App:
 404     def __init__(self, name, view):
 405         self.name = name
 406         self._view = view
 407         self.lower = name.lower()
 408         self.category = 'application'
 409
 410     def view(self):
 411         return reverse(*self._view)
 412
 413 _apps = (
 414     App(u'Leśmianator', (u'lesmianator', )),
 415     )
 416
 417
 418 def _tags_starting_with(prefix, user=None):
 419     prefix = prefix.lower()
 420     # PD counter
 421     book_stubs = BookStub.objects.filter(_word_starts_with('title', prefix))
 422     authors = Author.objects.filter(_word_starts_with('name', prefix))
 423
 424     books = Book.objects.filter(_word_starts_with('title', prefix))
 425     tags = Tag.objects.filter(_word_starts_with('name', prefix))
 426     if user and user.is_authenticated():
 427         tags = tags.filter(~Q(category='set') | Q(user=user))
 428     else:
 429         tags = tags.exclude(category='set')
 430
 431     prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
 432     return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + \
 433         list(authors)
 434
 435
 436 def _get_result_link(match, tag_list):
 437     if isinstance(match, Tag):
 438         return reverse('catalogue.views.tagged_object_list',
 439                        kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])})
 440     elif isinstance(match, App):
 441         return match.view()
 442     else:
 443         return match.get_absolute_url()
 444
 445
 446 def _get_result_type(match):
 447     if isinstance(match, Book) or isinstance(match, BookStub):
 448         match_type = 'book'
 449     else:
 450         match_type = match.category
 451     return match_type
 452
 453
 454 def books_starting_with(prefix):
 455     prefix = prefix.lower()
 456     return Book.objects.filter(_word_starts_with('title', prefix))
 457
 458
 459 def find_best_matches(query, user=None):
 460     """ Finds a Book, Tag, BookStub or Author best matching a query.
 461
 462     Returns a with:
 463       - zero elements when nothing is found,
 464       - one element when a best result is found,
 465       - more then one element on multiple exact matches
 466
 467     Raises a ValueError on too short a query.
 468     """
 469
 470     query = query.lower()
 471     if len(query) < 2:
 472         raise ValueError("query must have at least two characters")
 473
 474     result = tuple(_tags_starting_with(query, user))
 475     # remove pdcounter stuff
 476     book_titles = set(match.pretty_title().lower() for match in result
 477                       if isinstance(match, Book))
 478     authors = set(match.name.lower() for match in result
 479                   if isinstance(match, Tag) and match.category == 'author')
 480     result = tuple(res for res in result if not (
 481                  (isinstance(res, BookStub) and res.pretty_title().lower() in book_titles) or
 482                  (isinstance(res, Author) and res.name.lower() in authors)
 483              ))
 484
 485     exact_matches = tuple(res for res in result if res.name.lower() == query)
 486     if exact_matches:
 487         return exact_matches
 488     else:
 489         return tuple(result)[:1]
 490
 491
 492 def search(request):
 493     tags = request.GET.get('tags', '')
 494     prefix = request.GET.get('q', '')
 495
 496     try:
 497         tag_list = Tag.get_tag_list(tags)
 498     except (Tag.DoesNotExist, Tag.MultipleObjectsReturned, Tag.UrlDeprecationWarning):
 499         tag_list = []
 500
 501     try:
 502         result = find_best_matches(prefix, request.user)
 503     except ValueError:
 504         return render_to_response(
 505             'catalogue/search_too_short.html', {'tags': tag_list, 'prefix': prefix},
 506             context_instance=RequestContext(request))
 507
 508     if len(result) == 1:
 509         return HttpResponseRedirect(_get_result_link(result[0], tag_list))
 510     elif len(result) > 1:
 511         return render_to_response(
 512             'catalogue/search_multiple_hits.html',
 513             {
 514                 'tags': tag_list, 'prefix': prefix,
 515                 'results': ((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)
 516             },
 517             context_instance=RequestContext(request))
 518     else:
 519         form = PublishingSuggestForm(initial={"books": prefix + ", "})
 520         return render_to_response(
 521             'catalogue/search_no_hits.html',
 522             {'tags': tag_list, 'prefix': prefix, "pubsuggest_form": form},
 523             context_instance=RequestContext(request))
 524
 525
 526 def tags_starting_with(request):
 527     prefix = request.GET.get('q', '')
 528     # Prefix must have at least 2 characters
 529     if len(prefix) < 2:
 530         return HttpResponse('')
 531     tags_list = []
 532     result = ""
 533     for tag in _tags_starting_with(prefix, request.user):
 534         if tag.name not in tags_list:
 535             result += "\n" + tag.name
 536             tags_list.append(tag.name)
 537     return HttpResponse(result)
 538
 539
 540 def json_tags_starting_with(request, callback=None):
 541     # Callback for JSONP
 542     prefix = request.GET.get('q', '')
 543     callback = request.GET.get('callback', '')
 544     # Prefix must have at least 2 characters
 545     if len(prefix) < 2:
 546         return HttpResponse('')
 547     tags_list = []
 548     for tag in _tags_starting_with(prefix, request.user):
 549         if tag.name not in tags_list:
 550             tags_list.append(tag.name)
 551     if request.GET.get('mozhint', ''):
 552         result = [prefix, tags_list]
 553     else:
 554         result = {"matches": tags_list}
 555     response = JsonResponse(result, safe=False)
 556     if callback:
 557         response.content = callback + "(" + response.content + ");"
 558     return response
 559
 560
 561 # =========
 562 # = Admin =
 563 # =========
 564 @login_required
 565 @staff_required
 566 def import_book(request):
 567     """docstring for import_book"""
 568     book_import_form = forms.BookImportForm(request.POST, request.FILES)
 569     if book_import_form.is_valid():
 570         try:
 571             book_import_form.save()
 572         except:
 573             import sys
 574             import pprint
 575             import traceback
 576             info = sys.exc_info()
 577             exception = pprint.pformat(info[1])
 578             tb = '\n'.join(traceback.format_tb(info[2]))
 579             return HttpResponse(
 580                     _("An error occurred: %(exception)s\n\n%(tb)s") % {'exception': exception, 'tb': tb},
 581                     mimetype='text/plain')
 582         return HttpResponse(_("Book imported successfully"))
 583     else:
 584         return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
 585
 586
 587 # info views for API
 588
 589 def book_info(request, book_id, lang='pl'):
 590     book = get_object_or_404(Book, id=book_id)
 591     # set language by hand
 592     translation.activate(lang)
 593     return render_to_response('catalogue/book_info.html', {'book': book}, context_instance=RequestContext(request))
 594
 595
 596 def tag_info(request, tag_id):
 597     tag = get_object_or_404(Tag, id=tag_id)
 598     return HttpResponse(tag.description)
 599
 600
 601 def download_zip(request, format, slug=None):
 602     if format in Book.ebook_formats:
 603         url = Book.zip_format(format)
 604     elif format in ('mp3', 'ogg') and slug is not None:
 605         book = get_object_or_404(Book, slug=slug)
 606         url = book.zip_audiobooks(format)
 607     else:
 608         raise Http404('No format specified for zip package')
 609     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
 610
 611
 612 class CustomPDFFormView(AjaxableFormView):
 613     form_class = forms.CustomPDFForm
 614     title = ugettext_lazy('Download custom PDF')
 615     submit = ugettext_lazy('Download')
 616     honeypot = True
 617
 618     def __call__(self, *args, **kwargs):
 619         if settings.NO_CUSTOM_PDF:
 620             raise Http404('Custom PDF is disabled')
 621         return super(CustomPDFFormView, self).__call__(*args, **kwargs)
 622
 623     def form_args(self, request, obj):
 624         """Override to parse view args and give additional args to the form."""
 625         return (obj,), {}
 626
 627     def get_object(self, request, slug, *args, **kwargs):
 628         return get_object_or_404(Book, slug=slug)
 629
 630     def context_description(self, request, obj):
 631         return obj.pretty_title()
 632
 633
 634 ####
 635 # Includes
 636 ####
 637
 638
 639 @ssi_included
 640 def book_mini(request, pk, with_link=True):
 641     book = get_object_or_404(Book, pk=pk)
 642     author_str = ", ".join(tag.name for tag in book.tags.filter(category='author'))
 643     return render(request, 'catalogue/book_mini_box.html', {
 644         'book': book,
 645         'author_str': author_str,
 646         'with_link': with_link,
 647         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 648     })
 649
 650
 651 @ssi_included(get_ssi_vars=lambda pk: (lambda ipk: (
 652         ('ssify.get_csrf_token',),
 653         ('social_tags.likes_book', (ipk,)),
 654         ('social_tags.book_shelf_tags', (ipk,)),
 655     ))(ssi_expect(pk, int)))
 656 def book_short(request, pk):
 657     book = get_object_or_404(Book, pk=pk)
 658     stage_note, stage_note_url = book.stage_note()
 659     audiobooks, projects, have_oggs = get_audiobooks(book)
 660
 661     return render(request, 'catalogue/book_short.html', {
 662         'book': book,
 663         'has_audio': book.has_media('mp3'),
 664         'main_link': book.get_absolute_url(),
 665         'parents': book.parents(),
 666         'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
 667         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 668         'stage_note': stage_note,
 669         'stage_note_url': stage_note_url,
 670         'audiobooks': audiobooks,
 671         'have_oggs': have_oggs,
 672     })
 673
 674
 675 @ssi_included(
 676     get_ssi_vars=lambda pk: book_short.get_ssi_vars(pk) +
 677     (lambda ipk: (
 678         ('social_tags.choose_cite', [ipk]),
 679         ('catalogue_tags.choose_fragment', [ipk], {
 680             'unless': Var('social_tags.choose_cite', [ipk])}),
 681     ))(ssi_expect(pk, int)))
 682 def book_wide(request, pk):
 683     book = get_object_or_404(Book, pk=pk)
 684     stage_note, stage_note_url = book.stage_note()
 685     extra_info = book.extra_info
 686     audiobooks, projects, have_oggs = get_audiobooks(book)
 687
 688     return render(request, 'catalogue/book_wide.html', {
 689         'book': book,
 690         'has_audio': book.has_media('mp3'),
 691         'parents': book.parents(),
 692         'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
 693         'show_lang': book.language_code() != settings.LANGUAGE_CODE,
 694         'stage_note': stage_note,
 695         'stage_note_url': stage_note_url,
 696
 697         'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
 698         'extra_info': extra_info,
 699         'hide_about': extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl'),
 700         'audiobooks': audiobooks,
 701         'have_oggs': have_oggs,
 702     })
 703
 704
 705 @ssi_included
 706 def fragment_short(request, pk):
 707     fragment = get_object_or_404(Fragment, pk=pk)
 708     return render(request, 'catalogue/fragment_short.html', {'fragment': fragment})
 709
 710
 711 @ssi_included
 712 def fragment_promo(request, pk):
 713     fragment = get_object_or_404(Fragment, pk=pk)
 714     return render(request, 'catalogue/fragment_promo.html', {'fragment': fragment})
 715
 716
 717 @ssi_included
 718 def tag_box(request, pk):
 719     tag = get_object_or_404(Tag, pk=pk)
 720     assert tag.category != 'set'
 721
 722     return render(request, 'catalogue/tag_box.html', {
 723         'tag': tag,
 724     })
 725
 726
 727 @ssi_included
 728 def collection_box(request, pk):
 729     obj = get_object_or_404(Collection, pk=pk)
 730
 731     return render(request, 'catalogue/collection_box.html', {
 732         'obj': obj,
 733     })
 734
 735
 736 def tag_catalogue(request, category):
 737     if category == 'theme':
 738         tags = Tag.objects.usage_for_model(
 739             Fragment, counts=True).filter(category='theme')
 740     else:
 741         tags = list(get_top_level_related_tags((), categories=(category,)))
 742
 743     described_tags = [tag for tag in tags if tag.description]
 744
 745     if len(described_tags) > 4:
 746         best = random.sample(described_tags, 4)
 747     else:
 748         best = described_tags
 749
 750     return render(request, 'catalogue/tag_catalogue.html', {
 751         'tags': tags,
 752         'best': best,
 753         'title': constants.CATEGORIES_NAME_PLURAL[category],
 754         'whole_category': constants.WHOLE_CATEGORY[category],
 755     })
 756
 757
 758 def collections(request):
 759     objects = Collection.objects.all()
 760
 761     if len(objects) > 3:
 762         best = random.sample(objects, 3)
 763     else:
 764         best = objects
 765
 766     return render(request, 'catalogue/collections.html', {
 767         'objects': objects,
 768         'best': best,
 769     })