Merge branch 'pretty' of github.com:fnp/wolnelektury into pretty
[wolnelektury.git] / apps / catalogue / views.py
index d80e570..eb0e7b9 100644 (file)
@@ -53,7 +53,8 @@ def catalogue(request):
         context_instance=RequestContext(request))
 
 
-def book_list(request, filter=None, template_name='catalogue/book_list.html'):
+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 """
 
     books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
@@ -76,6 +77,17 @@ def daisy_list(request):
                      template_name='catalogue/daisy_list.html')
 
 
+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',
+                     context={'collection': coll})
+
+
 def differentiate_tags(request, tags, ambiguous_slugs):
     beginning = '/'.join(tag.url_chunk for tag in tags)
     unparsed = '/'.join(ambiguous_slugs[1:])
@@ -186,11 +198,8 @@ def tagged_object_list(request, tags=''):
         context_instance=RequestContext(request))
 
 
-def book_fragments(request, book, theme_slug):
-    kwargs = models.Book.split_urlid(book)
-    if kwargs is None:
-        raise Http404
-    book = get_object_or_404(models.Book, **kwargs)
+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')
@@ -200,12 +209,9 @@ def book_fragments(request, book, theme_slug):
         context_instance=RequestContext(request))
 
 
-def book_detail(request, book):
-    kwargs = models.Book.split_urlid(book)
-    if kwargs is None:
-        raise Http404
+def book_detail(request, slug):
     try:
-        book = models.Book.objects.get(**kwargs)
+        book = models.Book.objects.get(slug=slug)
     except models.Book.DoesNotExist:
         return pdcounter_views.book_stub_detail(request, kwargs['slug'])
 
@@ -234,11 +240,8 @@ def book_detail(request, book):
         context_instance=RequestContext(request))
 
 
-def player(request, book):
-    kwargs = models.Book.split_urlid(book)
-    if kwargs is None:
-        raise Http404
-    book = get_object_or_404(models.Book, **kwargs)
+def player(request, slug):
+    book = get_object_or_404(models.Book, slug=slug)
     if not book.has_media('mp3'):
         raise Http404
 
@@ -275,11 +278,8 @@ def player(request, book):
         context_instance=RequestContext(request))
 
 
-def book_text(request, book):
-    kwargs = models.Book.split_fileid(book)
-    if kwargs is None:
-        raise Http404
-    book = get_object_or_404(models.Book, **kwargs)
+def book_text(request, slug):
+    book = get_object_or_404(models.Book, slug=slug)
 
     if not book.has_html_file():
         raise Http404
@@ -502,176 +502,6 @@ def json_tags_starting_with(request, callback=None):
         result = {"matches": tags_list}
     return JSONResponse(result, callback)
 
-# ====================
-# = Shelf management =
-# ====================
-@login_required
-@cache.never_cache
-def user_shelves(request):
-    shelves = models.Tag.objects.filter(category='set', user=request.user)
-    new_set_form = forms.NewSetForm()
-    return render_to_response('catalogue/user_shelves.html', locals(),
-            context_instance=RequestContext(request))
-
-@cache.never_cache
-def book_sets(request, book):
-    if not request.user.is_authenticated():
-        return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
-
-    kwargs = models.Book.split_urlid(book)
-    if kwargs is None:
-        raise Http404
-    book = get_object_or_404(models.Book, **kwargs)
-
-    user_sets = models.Tag.objects.filter(category='set', user=request.user)
-    book_sets = book.tags.filter(category='set', user=request.user)
-
-    if request.method == 'POST':
-        form = forms.ObjectSetsForm(book, request.user, request.POST)
-        if form.is_valid():
-            old_shelves = list(book.tags.filter(category='set'))
-            new_shelves = [models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']]
-
-            for shelf in [shelf for shelf in old_shelves if shelf not in new_shelves]:
-                touch_tag(shelf)
-
-            for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]:
-                touch_tag(shelf)
-
-            book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))
-            if request.is_ajax():
-                return JSONResponse('{"msg":"'+_("<p>Shelves were sucessfully saved.</p>")+'", "after":"close"}')
-            else:
-                return HttpResponseRedirect('/')
-    else:
-        form = forms.ObjectSetsForm(book, request.user)
-        new_set_form = forms.NewSetForm()
-
-    return render_to_response('catalogue/book_sets.html', locals(),
-        context_instance=RequestContext(request))
-
-
-@login_required
-@require_POST
-@cache.never_cache
-def remove_from_shelf(request, shelf, book):
-    kwargs = models.Book.split_urlid(book)
-    if kwargs is None:
-        raise Http404
-    book = get_object_or_404(models.Book, **kwargs)
-
-    shelf = get_object_or_404(models.Tag, slug=shelf, category='set', user=request.user)
-
-    if shelf in book.tags:
-        models.Tag.objects.remove_tag(book, shelf)
-        touch_tag(shelf)
-
-        return HttpResponse(_('Book was successfully removed from the shelf'))
-    else:
-        return HttpResponse(_('This book is not on the shelf'))
-
-
-def collect_books(books):
-    """
-    Returns all real books in collection.
-    """
-    result = []
-    for book in books:
-        if len(book.children.all()) == 0:
-            result.append(book)
-        else:
-            result += collect_books(book.children.all())
-    return result
-
-
-@cache.never_cache
-def download_shelf(request, slug):
-    """"
-    Create a ZIP archive on disk and transmit it in chunks of 8KB,
-    without loading the whole file into memory. A similar approach can
-    be used for large dynamic PDF files.
-    """
-    from slughifi import slughifi
-    import tempfile
-    import zipfile
-
-    shelf = get_object_or_404(models.Tag, slug=slug, category='set')
-
-    formats = []
-    form = forms.DownloadFormatsForm(request.GET)
-    if form.is_valid():
-        formats = form.cleaned_data['formats']
-    if len(formats) == 0:
-        formats = models.Book.ebook_formats
-
-    # Create a ZIP archive
-    temp = tempfile.TemporaryFile()
-    archive = zipfile.ZipFile(temp, 'w')
-
-    for book in collect_books(models.Book.tagged.with_all(shelf)):
-        fileid = book.fileid()
-        for ebook_format in models.Book.ebook_formats:
-            if ebook_format in formats and book.has_media(ebook_format):
-                filename = book.get_media(ebook_format).path
-                archive.write(filename, str('%s.%s' % (fileid, ebook_format)))
-    archive.close()
-
-    response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
-    response['Content-Disposition'] = 'attachment; filename=%s.zip' % slughifi(shelf.name)
-    response['Content-Length'] = temp.tell()
-
-    temp.seek(0)
-    response.write(temp.read())
-    return response
-
-
-@cache.never_cache
-def shelf_book_formats(request, shelf):
-    """"
-    Returns a list of formats of books in shelf.
-    """
-    shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
-
-    formats = {}
-    for ebook_format in models.Book.ebook_formats:
-        formats[ebook_format] = False
-
-    for book in collect_books(models.Book.tagged.with_all(shelf)):
-        for ebook_format in models.Book.ebook_formats:
-            if book.has_media(ebook_format):
-                formats[ebook_format] = True
-
-    return HttpResponse(LazyEncoder().encode(formats))
-
-
-@login_required
-@require_POST
-@cache.never_cache
-def new_set(request):
-    new_set_form = forms.NewSetForm(request.POST)
-    if new_set_form.is_valid():
-        new_set = new_set_form.save(request.user)
-
-        if request.is_ajax():
-            return JSONResponse('{"id":"%d", "name":"%s", "msg":"<p>Shelf <strong>%s</strong> was successfully created</p>"}' % (new_set.id, new_set.name, new_set))
-        else:
-            return HttpResponseRedirect('/')
-
-    return HttpResponseRedirect('/')
-
-
-@login_required
-@require_POST
-@cache.never_cache
-def delete_shelf(request, slug):
-    user_set = get_object_or_404(models.Tag, slug=slug, category='set', user=request.user)
-    user_set.delete()
-
-    if request.is_ajax():
-        return HttpResponse(_('<p>Shelf <strong>%s</strong> was successfully removed</p>') % user_set.name)
-    else:
-        return HttpResponseRedirect('/')
-
 
 # =========
 # = Admin =
@@ -712,25 +542,20 @@ def tag_info(request, id):
     return HttpResponse(tag.description)
 
 
-def download_zip(request, format, book=None):
-    kwargs = models.Book.split_fileid(book)
-
+def download_zip(request, format, slug=None):
     url = None
     if format in models.Book.ebook_formats:
         url = models.Book.zip_format(format)
-    elif format in ('mp3', 'ogg') and kwargs is not None:
-        book = get_object_or_404(models.Book, **kwargs)
+    elif format in ('mp3', 'ogg') and slug is not None:
+        book = get_object_or_404(models.Book, slug=slug)
         url = book.zip_audiobooks(format)
     else:
         raise Http404('No format specified for zip package')
     return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
 
 
-def download_custom_pdf(request, book_fileid, method='GET'):
-    kwargs = models.Book.split_fileid(book_fileid)
-    if kwargs is None:
-        raise Http404
-    book = get_object_or_404(models.Book, **kwargs)
+def download_custom_pdf(request, slug, method='GET'):
+    book = get_object_or_404(models.Book, slug=slug)
 
     if request.method == method:
         form = forms.CustomPDFForm(method == 'GET' and request.GET or request.POST)
@@ -741,7 +566,7 @@ def download_custom_pdf(request, book_fileid, method='GET'):
             if not path.exists(pdf_file):
                 result = async_build_pdf.delay(book.id, cust, pdf_file)
                 result.wait()
-            return AttachmentHttpResponse(file_name=("%s.pdf" % book_fileid), file_path=pdf_file, mimetype="application/pdf")
+            return AttachmentHttpResponse(file_name=("%s.pdf" % book.slug), file_path=pdf_file, mimetype="application/pdf")
         else:
             raise Http404(_('Incorrect customization options for PDF'))
     else:
@@ -754,7 +579,13 @@ class CustomPDFFormView(AjaxableFormView):
     submit = _('Download')
 
     def __call__(self, request):
+        from copy import copy
         if request.method == 'POST':
-            return download_custom_pdf(request, request.GET['book_id'], method='POST')
-        else:
-            return super(CustomPDFFormView, self).__call__(request)
+            request.GET = copy(request.GET)
+            request.GET['next'] = "%s?%s" % (reverse('catalogue.views.download_custom_pdf', args=[request.GET['slug']]),
+                                             request.POST.urlencode())
+        return super(CustomPDFFormView, self).__call__(request)
+        
+
+    def success(self, *args):
+        pass