Preliminary math and tables support.

[wolnelektury.git] / apps / catalogue / views.py

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index 599fde1..a25a08f 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -2,80 +2,141 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #

+from collections import OrderedDict

 import re
 import re

-import itertools

 
 from django.conf import settings
 from django.template import RequestContext
 
 from django.conf import settings
 from django.template import RequestContext

-from django.shortcuts import render_to_response, get_object_or_404, redirect
-from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
+from django.template.loader import render_to_string
+from django.shortcuts import render_to_response, get_object_or_404, render
+from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect, JsonResponse

 from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.contrib.auth.decorators import login_required, user_passes_test
 from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.contrib.auth.decorators import login_required, user_passes_test

-from django.utils.datastructures import SortedDict

 from django.utils.http import urlquote_plus
 from django.utils import translation
 from django.utils.translation import ugettext as _, ugettext_lazy
 from django.utils.http import urlquote_plus
 from django.utils import translation
 from django.utils.translation import ugettext as _, ugettext_lazy

-from django.views.decorators.cache import never_cache

 
 

-from ajaxable.utils import JSONResponse, AjaxableFormView
-
-from catalogue import models
-from catalogue import forms
-from catalogue.utils import split_tags, MultiQuerySet
+from ajaxable.utils import AjaxableFormView

 from pdcounter import models as pdcounter_models
 from pdcounter import views as pdcounter_views
 from pdcounter import models as pdcounter_models
 from pdcounter import views as pdcounter_views

+from picture.models import Picture, PictureArea
+from picture.views import picture_list_thumb
+from ssify import ssi_included, ssi_expect, SsiVariable as V

 from suggest.forms import PublishingSuggestForm
 from suggest.forms import PublishingSuggestForm

-from picture.models import Picture
+from catalogue import forms
+from catalogue.helpers import get_top_level_related_tags
+from catalogue import models
+from catalogue.utils import split_tags, MultiQuerySet, SortedMultiQuerySet
+from catalogue.templatetags.catalogue_tags import tag_list, collection_list

 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
 
 
 staff_required = user_passes_test(lambda user: user.is_staff)
 
 

-def catalogue(request):
-    tags = models.Tag.objects.exclude(
-        category__in=('set', 'book')).exclude(book_count=0)
-    tags = list(tags)
-    for tag in tags:
-        tag.count = tag.book_count
-    categories = split_tags(tags)
-    fragment_tags = categories.get('theme', [])
+def catalogue(request, as_json=False):
+    common_categories = ('author',)
+    split_categories = ('epoch', 'genre', 'kind')

 
 

-    return render_to_response('catalogue/catalogue.html', locals(),
-        context_instance=RequestContext(request))
+    categories = split_tags(
+        get_top_level_related_tags(categories=common_categories),
+        models.Tag.objects.usage_for_model(
+            models.Fragment, counts=True).filter(category='theme'),
+        models.Tag.objects.usage_for_model(
+            Picture, counts=True).filter(category__in=common_categories),
+        models.Tag.objects.usage_for_model(
+            PictureArea, counts=True).filter(
+            category='theme')
+    )
+    book_categories = split_tags(
+        get_top_level_related_tags(categories=split_categories)
+        )
+    picture_categories = split_tags(
+        models.Tag.objects.usage_for_model(
+            Picture, counts=True).filter(
+            category__in=split_categories),
+        )

 
 

+    collections = models.Collection.objects.all()
+
+    def render_tag_list(tags):
+        return render_to_string('catalogue/tag_list.html', tag_list(tags))
+
+    def render_split(with_books, with_pictures):
+        ctx = {}
+        if with_books:
+            ctx['books'] = render_tag_list(with_books)
+        if with_pictures:
+            ctx['pictures'] = render_tag_list(with_pictures)
+        return render_to_string('catalogue/tag_list_split.html', ctx)
+
+    output = {}
+    output['theme'] = render_tag_list(categories.get('theme', []))
+    for category in common_categories:
+        output[category] = render_tag_list(categories.get(category, []))
+    for category in split_categories:
+        output[category] = render_split(
+            book_categories.get(category, []),
+            picture_categories.get(category, []))
+
+    output['collections'] = render_to_string(
+        'catalogue/collection_list.html', collection_list(collections))
+    if as_json:
+        return JsonResponse(output)
+    else:
+        return render_to_response('catalogue/catalogue.html', locals(),
+            context_instance=RequestContext(request))
+
+
+@ssi_included
+def catalogue_json(request):
+    return catalogue(request, True)

 
 

-def book_list(request, filter=None, template_name='catalogue/book_list.html',
-        context=None):
-    """ generates a listing of all books, optionally filtered with a test function """

 
 

+def book_list(request, filter=None, get_filter=None,
+        template_name='catalogue/book_list.html',
+        nav_template_name='catalogue/snippets/book_list_nav.html',
+        list_template_name='catalogue/snippets/book_list.html',
+        context=None,
+        ):
+    """ generates a listing of all books, optionally filtered with a test function """
+    if get_filter:
+        filter = get_filter()

     books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
     books_by_author, orphans, books_by_parent = models.Book.book_list(filter)

-    books_nav = SortedDict()
+    books_nav = OrderedDict()

     for tag in books_by_author:
         if books_by_author[tag]:
             books_nav.setdefault(tag.sort_key[0], []).append(tag)
     for tag in books_by_author:
         if books_by_author[tag]:
             books_nav.setdefault(tag.sort_key[0], []).append(tag)

-
+    rendered_nav = render_to_string(nav_template_name, locals())
+    rendered_book_list = render_to_string(list_template_name, locals())

     return render_to_response(template_name, locals(),
         context_instance=RequestContext(request))
 
 
 def audiobook_list(request):
     return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),
     return render_to_response(template_name, locals(),
         context_instance=RequestContext(request))
 
 
 def audiobook_list(request):
     return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),

-                     template_name='catalogue/audiobook_list.html')
+                     template_name='catalogue/audiobook_list.html',
+                     list_template_name='catalogue/snippets/audiobook_list.html',
+                     )

 
 
 def daisy_list(request):
     return book_list(request, Q(media__type='daisy'),
 
 
 def daisy_list(request):
     return book_list(request, Q(media__type='daisy'),

-                     template_name='catalogue/daisy_list.html')
+                     template_name='catalogue/daisy_list.html',
+                     )

 
 
 def collection(request, slug):
     coll = get_object_or_404(models.Collection, slug=slug)
 
 
 def collection(request, slug):
     coll = get_object_or_404(models.Collection, slug=slug)

-    slugs = coll.book_slugs.split()
-    # allow URIs
-    slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
-                for slug in slugs]
-    return book_list(request, Q(slug__in=slugs),
-                     template_name='catalogue/collection.html',
+    if coll.kind == 'book':
+        view = book_list
+        tmpl = "catalogue/collection.html"
+    elif coll.kind == 'picture':
+        view = picture_list_thumb
+        tmpl = "picture/collection.html"
+    else:
+        raise ValueError('How do I show this kind of collection? %s' % coll.kind)
+    return view(request, get_filter=coll.get_query,
+                     template_name=tmpl,

                      context={'collection': coll})
 
 
                      context={'collection': coll})
 
 


@@ -83,7 +144,7 @@ def differentiate_tags(request, tags, ambiguous_slugs):
     beginning = '/'.join(tag.url_chunk for tag in tags)
     unparsed = '/'.join(ambiguous_slugs[1:])
     options = []
     beginning = '/'.join(tag.url_chunk for tag in tags)
     unparsed = '/'.join(ambiguous_slugs[1:])
     options = []

-    for tag in models.Tag.objects.exclude(category='book').filter(slug=ambiguous_slugs[0]):
+    for tag in models.Tag.objects.filter(slug=ambiguous_slugs[0]):

         options.append({
             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
             'tags': [tag]
         options.append({
             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
             'tags': [tag]


@@ -93,17 +154,21 @@ def differentiate_tags(request, tags, ambiguous_slugs):
                 context_instance=RequestContext(request))
 
 
                 context_instance=RequestContext(request))
 
 

-@never_cache
+# TODO: Rewrite this hellish piece of code which tries to do everything

 def tagged_object_list(request, tags=''):
 def tagged_object_list(request, tags=''):

+    # preliminary tests and conditions

     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:
     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:

+        # Perhaps the user is asking about an author in Public Domain
+        # counter (they are not represented in tags)

         chunks = tags.split('/')
         if len(chunks) == 2 and chunks[0] == 'autor':
             return pdcounter_views.author_detail(request, chunks[1])
         else:
             raise Http404
     except models.Tag.MultipleObjectsReturned, e:
         chunks = tags.split('/')
         if len(chunks) == 2 and chunks[0] == 'autor':
             return pdcounter_views.author_detail(request, chunks[1])
         else:
             raise Http404
     except models.Tag.MultipleObjectsReturned, e:

+        # Ask the user to disambiguate

         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
     except models.Tag.UrlDeprecationWarning, e:
         return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
         return differentiate_tags(request, e.tags, e.ambiguous_slugs)
     except models.Tag.UrlDeprecationWarning, e:
         return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))


@@ -114,78 +179,78 @@ def tagged_object_list(request, tags=''):
     except AttributeError:
         pass
 
     except AttributeError:
         pass
 

-    if len([tag for tag in tags if tag.category == 'book']):
-        raise Http404
-
+    # beginning of digestion

     theme_is_set = [tag for tag in tags if tag.category == 'theme']
     shelf_is_set = [tag for tag in tags if tag.category == 'set']
     only_shelf = shelf_is_set and len(tags) == 1
     only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user
     theme_is_set = [tag for tag in tags if tag.category == 'theme']
     shelf_is_set = [tag for tag in tags if tag.category == 'set']
     only_shelf = shelf_is_set and len(tags) == 1
     only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user

+    tags_pks = [tag.pk for tag in tags]

 
 

-    objects = only_author = None
-    categories = {}
+    objects = None

 
     if theme_is_set:
         shelf_tags = [tag for tag in tags if tag.category == 'set']
         fragment_tags = [tag for tag in tags if tag.category != 'set']
         fragments = models.Fragment.tagged.with_all(fragment_tags)
 
     if theme_is_set:
         shelf_tags = [tag for tag in tags if tag.category == 'set']
         fragment_tags = [tag for tag in tags if tag.category != 'set']
         fragments = models.Fragment.tagged.with_all(fragment_tags)

+        areas = PictureArea.tagged.with_all(fragment_tags)

 
         if shelf_tags:
             books = models.Book.tagged.with_all(shelf_tags).order_by()
 
         if shelf_tags:
             books = models.Book.tagged.with_all(shelf_tags).order_by()

-            l_tags = models.Tag.objects.filter(category='book',
-                slug__in=[book.book_tag_slug() for book in books.iterator()])
-            fragments = models.Fragment.tagged.with_any(l_tags, fragments)
-
-        # newtagging goes crazy if we just try:
-        #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True,
-        #                    extra={'where': ["catalogue_tag.category != 'book'"]})
-        fragment_keys = [fragment.pk for fragment in fragments.iterator()]
-        if fragment_keys:
-            related_tags = models.Fragment.tags.usage(counts=True,
-                                filters={'pk__in': fragment_keys},
-                                extra={'where': ["catalogue_tag.category != 'book'"]})
-            related_tags = (tag for tag in related_tags if tag not in fragment_tags)
-            categories = split_tags(related_tags)
-
-            objects = fragments
+            fragments = fragments.filter(Q(book__in=books) | Q(book__ancestor__in=books))
+            areas = PictureArea.objects.none()
+
+        categories = split_tags(
+            models.Tag.objects.usage_for_queryset(fragments, counts=True
+                ).exclude(pk__in=tags_pks),
+            models.Tag.objects.usage_for_queryset(areas, counts=True
+                ).exclude(pk__in=tags_pks)
+            )
+
+        # we want the Pictures to go first
+        objects = MultiQuerySet(areas, fragments)

     else:
     else:

+        all_books = models.Book.tagged.with_all(tags)

         if shelf_is_set:
         if shelf_is_set:

-            objects = models.Book.tagged.with_all(tags)
+            books = all_books.order_by('sort_key_author', 'title')
+            pictures = Picture.objects.none()
+            related_book_tags = models.Tag.objects.usage_for_queryset(
+                books, counts=True).exclude(
+                category='set').exclude(pk__in=tags_pks)

         else:
         else:

-            objects = models.Book.tagged_top_level(tags)
-
-        # get related tags from `tag_counter` and `theme_counter`
-        related_counts = {}
-        tags_pks = [tag.pk for tag in tags]
-        for book in objects.iterator():
-            for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()):
-                if tag_pk in tags_pks:
-                    continue
-                related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value
-        related_tags = models.Tag.objects.filter(pk__in=related_counts.keys())
-        related_tags = [tag for tag in related_tags if tag not in tags]
-        for tag in related_tags:
-            tag.count = related_counts[tag.pk]
-
-        categories = split_tags(related_tags)
-        del related_tags
-
-    if not objects:
-        only_author = len(tags) == 1 and tags[0].category == 'author'
-        objects = models.Book.objects.none()
-
-    # Add pictures
-    objects = MultiQuerySet(Picture.tagged.with_all(tags), objects)
+            books = models.Book.tagged_top_level(tags).order_by(
+                'sort_key_author', 'title')
+            pictures = Picture.tagged.with_all(tags).order_by(
+                'sort_key_author', 'title')
+            related_book_tags = get_top_level_related_tags(tags)
+
+        fragments = models.Fragment.objects.filter(book__in=all_books)
+        areas = PictureArea.objects.filter(picture__in=pictures)
+
+        categories = split_tags(
+            related_book_tags,
+            models.Tag.objects.usage_for_queryset(
+                pictures, counts=True).exclude(pk__in=tags_pks),
+            models.Tag.objects.usage_for_queryset(
+                fragments, counts=True).filter(
+                category='theme').exclude(pk__in=tags_pks),
+            models.Tag.objects.usage_for_queryset(
+                areas, counts=True).filter(
+                category__in=('theme', 'thing')).exclude(
+                pk__in=tags_pks),
+        )
+
+        objects = SortedMultiQuerySet(pictures, books,
+            order_by=('sort_key_author', 'title'))

 
     return render_to_response('catalogue/tagged_object_list.html',
         {
             'object_list': objects,
             'categories': categories,
             'only_shelf': only_shelf,
 
     return render_to_response('catalogue/tagged_object_list.html',
         {
             'object_list': objects,
             'categories': categories,
             'only_shelf': only_shelf,

-            'only_author': only_author,

             'only_my_shelf': only_my_shelf,
             'formats_form': forms.DownloadFormatsForm(),
             'tags': tags,
             'only_my_shelf': only_my_shelf,
             'formats_form': forms.DownloadFormatsForm(),
             'tags': tags,

+            'tag_ids': tags_pks,

             'theme_is_set': theme_is_set,
         },
         context_instance=RequestContext(request))
             'theme_is_set': theme_is_set,
         },
         context_instance=RequestContext(request))


@@ -193,16 +258,14 @@ def tagged_object_list(request, tags=''):
 
 def book_fragments(request, slug, theme_slug):
     book = get_object_or_404(models.Book, slug=slug)
 
 def book_fragments(request, slug, theme_slug):
     book = get_object_or_404(models.Book, slug=slug)

-
-    book_tag = book.book_tag()

     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
     theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')

-    fragments = models.Fragment.tagged.with_all([book_tag, theme])
+    fragments = models.Fragment.tagged.with_all([theme]).filter(
+        Q(book=book) | Q(book__ancestor=book))

 
     return render_to_response('catalogue/book_fragments.html', locals(),
         context_instance=RequestContext(request))
 
 
 
     return render_to_response('catalogue/book_fragments.html', locals(),
         context_instance=RequestContext(request))
 
 

-@never_cache

 def book_detail(request, slug):
     try:
         book = models.Book.objects.get(slug=slug)
 def book_detail(request, slug):
     try:
         book = models.Book.objects.get(slug=slug)


@@ -258,14 +321,6 @@ def book_text(request, slug):
 
     if not book.has_html_file():
         raise Http404
 
     if not book.has_html_file():
         raise Http404

-    book_themes = {}
-    for fragment in book.fragments.all().iterator():
-        for theme in fragment.tags.filter(category='theme').iterator():
-            book_themes.setdefault(theme, []).append(fragment)
-
-    book_themes = book_themes.items()
-    book_themes.sort(key=lambda s: s[0].sort_key)
-    related = book.related_info()

     return render_to_response('catalogue/book_text.html', locals(),
         context_instance=RequestContext(request))
 
     return render_to_response('catalogue/book_text.html', locals(),
         context_instance=RequestContext(request))
 


@@ -289,7 +344,7 @@ def _no_diacritics_regexp(query):
 
 def unicode_re_escape(query):
     """ Unicode-friendly version of re.escape """
 
 def unicode_re_escape(query):
     """ Unicode-friendly version of re.escape """

-    return re.sub('(?u)(\W)', r'\\\1', query)
+    return re.sub(r'(?u)(\W)', r'\\\1', query)

 
 def _word_starts_with(name, prefix):
     """returns a Q object getting models having `name` contain a word
 
 def _word_starts_with(name, prefix):
     """returns a Q object getting models having `name` contain a word


@@ -355,9 +410,9 @@ def _tags_starting_with(prefix, user=None):
     books = models.Book.objects.filter(_word_starts_with('title', prefix))
     tags = models.Tag.objects.filter(_word_starts_with('name', prefix))
     if user and user.is_authenticated():
     books = models.Book.objects.filter(_word_starts_with('title', prefix))
     tags = models.Tag.objects.filter(_word_starts_with('name', prefix))
     if user and user.is_authenticated():

-        tags = tags.filter(~Q(category='book') & (~Q(category='set') | Q(user=user)))
+        tags = tags.filter(~Q(category='set') | Q(user=user))

     else:
     else:

-        tags = tags.filter(~Q(category='book') & ~Q(category='set'))
+        tags = tags.exclude(category='set')

 
     prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
     return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + list(authors)
 
     prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
     return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + list(authors)


@@ -376,10 +431,10 @@ def _get_result_link(match, tag_list):
 
 def _get_result_type(match):
     if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub):
 
 def _get_result_type(match):
     if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub):

-        type = 'book'
+        match_type = 'book'

     else:
     else:

-        type = match.category
-    return type
+        match_type = match.category
+    return match_type

 
 
 def books_starting_with(prefix):
 
 
 def books_starting_with(prefix):


@@ -407,7 +462,7 @@ def find_best_matches(query, user=None):
     book_titles = set(match.pretty_title().lower() for match in result
                       if isinstance(match, models.Book))
     authors = set(match.name.lower() for match in result
     book_titles = set(match.pretty_title().lower() for match in result
                       if isinstance(match, models.Book))
     authors = set(match.name.lower() for match in result

-                  if isinstance(match, models.Tag) and match.category=='author')
+                  if isinstance(match, models.Tag) and match.category == 'author')

     result = tuple(res for res in result if not (
                  (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
                  or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)
     result = tuple(res for res in result if not (
                  (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
                  or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)


@@ -476,7 +531,10 @@ def json_tags_starting_with(request, callback=None):
         result = [prefix, tags_list]
     else:
         result = {"matches": tags_list}
         result = [prefix, tags_list]
     else:
         result = {"matches": tags_list}

-    return JSONResponse(result, callback)
+    response = JsonResponse(result, safe=False)
+    if callback:
+        response.content = callback + "(" + response.content + ");"
+    return response

 
 
 # =========
 
 
 # =========


@@ -536,6 +594,11 @@ class CustomPDFFormView(AjaxableFormView):
     submit = ugettext_lazy('Download')
     honeypot = True
 
     submit = ugettext_lazy('Download')
     honeypot = True
 

+    def __call__(self, *args, **kwargs):
+        if settings.NO_CUSTOM_PDF:
+            raise Http404('Custom PDF is disabled')
+        return super(CustomPDFFormView, self).__call__(*args, **kwargs)
+

     def form_args(self, request, obj):
         """Override to parse view args and give additional args to the form."""
         return (obj,), {}
     def form_args(self, request, obj):
         """Override to parse view args and give additional args to the form."""
         return (obj,), {}


@@ -545,3 +608,84 @@ class CustomPDFFormView(AjaxableFormView):
 
     def context_description(self, request, obj):
         return obj.pretty_title()
 
     def context_description(self, request, obj):
         return obj.pretty_title()

+
+
+####
+# Includes
+####
+
+
+@ssi_included
+def book_mini(request, pk, with_link=True):
+    book = get_object_or_404(models.Book, pk=pk)
+    author_str = ", ".join(tag.name
+        for tag in book.tags.filter(category='author'))
+    return render(request, 'catalogue/book_mini_box.html', {
+        'book': book,
+        'author_str': author_str,
+        'with_link': with_link,
+        'show_lang': book.language_code() != settings.LANGUAGE_CODE,
+    })
+
+
+@ssi_included(get_ssi_vars=lambda pk: (lambda ipk: (
+        ('ssify.get_csrf_token',),
+        ('social_tags.likes_book', (ipk,)),
+        ('social_tags.book_shelf_tags', (ipk,)),
+    ))(ssi_expect(pk, int)))
+def book_short(request, pk):
+    book = get_object_or_404(models.Book, pk=pk)
+    stage_note, stage_note_url = book.stage_note()
+
+    return render(request, 'catalogue/book_short.html', {
+        'book': book,
+        'has_audio': book.has_media('mp3'),
+        'main_link': book.get_absolute_url(),
+        'parents': book.parents(),
+        'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
+        'show_lang': book.language_code() != settings.LANGUAGE_CODE,
+        'stage_note': stage_note,
+        'stage_note_url': stage_note_url,
+    })
+
+
+@ssi_included(get_ssi_vars=lambda pk: book_short.get_ssi_vars(pk) +
+    (lambda ipk: (
+        ('social_tags.choose_cite', [ipk]),
+        ('catalogue_tags.choose_fragment', [ipk], {
+            'unless': V('social_tags.choose_cite', [ipk])}),
+    ))(ssi_expect(pk, int)))
+def book_wide(request, pk):
+    book = get_object_or_404(models.Book, pk=pk)
+    stage_note, stage_note_url = book.stage_note()
+    extra_info = book.extra_info
+
+    return render(request, 'catalogue/book_wide.html', {
+        'book': book,
+        'has_audio': book.has_media('mp3'),
+        'parents': book.parents(),
+        'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
+        'show_lang': book.language_code() != settings.LANGUAGE_CODE,
+        'stage_note': stage_note,
+        'stage_note_url': stage_note_url,
+
+        'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
+        'extra_info': extra_info,
+        'hide_about': extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl'),
+        'themes': book.related_themes(),
+    })
+
+
+@ssi_included
+def fragment_short(request, pk):
+    fragment = get_object_or_404(models.Fragment, pk=pk)
+    return render(request, 'catalogue/fragment_short.html',
+        {'fragment': fragment})
+
+
+@ssi_included
+def fragment_promo(request, pk):
+    fragment = get_object_or_404(models.Fragment, pk=pk)
+    return render(request, 'catalogue/fragment_promo.html', {
+        'fragment': fragment
+    })