-# def book(request, slug):
-# book = get_object_or_404(Book, slug=slug)
-# if not book.accessible(request):
-# return HttpResponseForbidden("Not authorized.")
-#
-# if request.user.has_perm('catalogue.change_book'):
-# if request.method == "POST":
-# form = forms.BookForm(request.POST, instance=book)
-# if form.is_valid():
-# form.save()
-# return http.HttpResponseRedirect(book.get_absolute_url())
-# else:
-# form = forms.BookForm(instance=book)
-# editable = True
-# else:
-# form = forms.ReadonlyBookForm(instance=book)
-# editable = False
-#
-# publish_error = book.publishable_error()
-# publishable = publish_error is None
-#
-# return render(request, "catalogue/book_detail.html", {
-# "book": book,
-# "publishable": publishable,
-# "publishable_error": publish_error,
-# "form": form,
-# "editable": editable,
-# })
-
-
-# @permission_required('catalogue.add_chunk')
-# def chunk_add(request, slug, chunk):
-# try:
-# doc = Chunk.get(slug, chunk)
-# except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
-# raise Http404
-# if not doc.book.accessible(request):
-# return HttpResponseForbidden("Not authorized.")
-#
-# if request.method == "POST":
-# form = forms.ChunkAddForm(request.POST, instance=doc)
-# if form.is_valid():
-# if request.user.is_authenticated():
-# creator = request.user
-# else:
-# creator = None
-# doc.split(creator=creator,
-# slug=form.cleaned_data['slug'],
-# title=form.cleaned_data['title'],
-# gallery_start=form.cleaned_data['gallery_start'],
-# user=form.cleaned_data['user'],
-# stage=form.cleaned_data['stage']
-# )
-#
-# return http.HttpResponseRedirect(doc.book.get_absolute_url())
-# else:
-# form = forms.ChunkAddForm(initial={
-# "slug": str(doc.number + 1),
-# "title": "cz. %d" % (doc.number + 1, ),
-# })
-#
-# return render(request, "catalogue/chunk_add.html", {
-# "chunk": doc,
-# "form": form,
-# })
-
-
-# @login_required
-# def chunk_edit(request, slug, chunk):
-# try:
-# doc = Chunk.get(slug, chunk)
-# except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
-# raise Http404
-# if not doc.book.accessible(request):
-# return HttpResponseForbidden("Not authorized.")
-#
-# if request.method == "POST":
-# form = forms.ChunkForm(request.POST, instance=doc)
-# if form.is_valid():
-# form.save()
-# go_next = request.GET.get('next', None)
-# if go_next:
-# go_next = urlquote_plus(unquote(iri_to_uri(go_next)), safe='/?=&')
-# else:
-# go_next = doc.book.get_absolute_url()
-# return http.HttpResponseRedirect(go_next)
-# else:
-# form = forms.ChunkForm(instance=doc)
-#
-# referer = request.META.get('HTTP_REFERER')
-# if referer:
-# parts = urlsplit(referer)
-# parts = ['', ''] + list(parts[2:])
-# go_next = urlquote_plus(urlunsplit(parts))
-# else:
-# go_next = ''
-#
-# return render(request, "catalogue/chunk_edit.html", {
-# "chunk": doc,
-# "form": form,
-# "go_next": go_next,
-# })
-
-
-# @transaction.atomic
-# @login_required
-# def chunk_mass_edit(request):
-# if request.method == 'POST':
-# ids = map(int, filter(lambda i: i.strip()!='', request.POST.get('ids').split(',')))
-# chunks = map(lambda i: Chunk.objects.get(id=i), ids)
-#
-# stage = request.POST.get('stage')
-# if stage:
-# try:
-# stage = Chunk.tag_model.objects.get(slug=stage)
-# except Chunk.DoesNotExist, e:
-# stage = None
-#
-# for c in chunks: c.stage = stage
-#
-# username = request.POST.get('user')
-# logger.info("username: %s" % username)
-# logger.info(request.POST)
-# if username:
-# try:
-# user = User.objects.get(username=username)
-# except User.DoesNotExist, e:
-# user = None
-#
-# for c in chunks: c.user = user
-#
-# status = request.POST.get('status')
-# if status:
-# books_affected = set()
-# for c in chunks:
-# if status == 'publish':
-# c.head.publishable = True
-# c.head.save()
-# elif status == 'unpublish':
-# c.head.publishable = False
-# c.head.save()
-# c.touch() # cache
-# books_affected.add(c.book)
-# for b in books_affected:
-# b.touch() # cache
-#
-# project_id = request.POST.get('project')
-# if project_id:
-# try:
-# project = Project.objects.get(pk=int(project_id))
-# except (Project.DoesNotExist, ValueError), e:
-# project = None
-# for c in chunks:
-# book = c.book
-# book.project = project
-# book.save()
-#
-# for c in chunks: c.save()
-#
-# return HttpResponse("", content_type="text/plain")
-# else:
-# raise Http404
-
-
-# @permission_required('catalogue.change_book')
-# def book_append(request, slug):
-# book = get_object_or_404(Book, slug=slug)
-# if not book.accessible(request):
-# return HttpResponseForbidden("Not authorized.")
-#
-# if request.method == "POST":
-# form = forms.BookAppendForm(book, request.POST)
-# if form.is_valid():
-# append_to = form.cleaned_data['append_to']
-# append_to.append(book)
-# return http.HttpResponseRedirect(append_to.get_absolute_url())
-# else:
-# form = forms.BookAppendForm(book)
-# return render(request, "catalogue/book_append_to.html", {
-# "book": book,
-# "form": form,
-#
-# "logout_to": '/',
-# })
-
-