X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/41e79f5deff58b34f185c8c7426f505793c1d9c7..19b6808a73f77fffdbb80d049dd1f8d81eec9d78:/apps/catalogue/views.py?ds=inline diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index 4476fd266..5be5122bd 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -9,7 +9,7 @@ import pprint import traceback import re import itertools -from operator import itemgetter +from operator import itemgetter from django.conf import settings from django.template import RequestContext @@ -45,34 +45,84 @@ class LazyEncoder(simplejson.JSONEncoder): return force_unicode(obj) return obj +# shortcut for JSON reponses +class JSONResponse(HttpResponse): + def __init__(self, data={}, callback=None, **kwargs): + # get rid of mimetype + kwargs.pop('mimetype', None) + data = simplejson.dumps(data) + if callback: + data = callback + "(" + data + ");" + super(JSONResponse, self).__init__(data, mimetype="application/json", **kwargs) + def main_page(request): if request.user.is_authenticated(): shelves = models.Tag.objects.filter(category='set', user=request.user) new_set_form = forms.NewSetForm() - extra_where = "NOT catalogue_tag.category = 'set'" - tags = models.Tag.objects.usage_for_model(models.Book, counts=True, extra={'where': [extra_where]}) - fragment_tags = models.Tag.objects.usage_for_model(models.Fragment, counts=True, - extra={'where': ["catalogue_tag.category = 'theme'"] + [extra_where]}) + + tags = models.Tag.objects.exclude(category__in=('set', 'book')) + for tag in tags: + tag.count = tag.get_count() categories = split_tags(tags) + fragment_tags = categories.get('theme', []) form = forms.SearchForm() return render_to_response('catalogue/main_page.html', locals(), context_instance=RequestContext(request)) -def book_list(request): - books = models.Book.objects.all() +def book_list(request, filter=None, template_name='catalogue/book_list.html'): + """ generates a listing of all books, optionally filtered with a test function """ + form = forms.SearchForm() - books_by_first_letter = SortedDict() - for book in books: - books_by_first_letter.setdefault(book.title[0], []).append(book) + books_by_parent = {} + books = models.Book.objects.all().order_by('parent_number', 'title').only('title', 'parent', 'slug') + if filter: + books = books.filter(filter) + book_ids = set((book.pk for book in books)) + for book in books: + parent = book.parent_id + if parent not in book_ids: + parent = None + books_by_parent.setdefault(parent, []).append(book) + else: + for book in books: + books_by_parent.setdefault(book.parent_id, []).append(book) + + orphans = [] + books_by_author = SortedDict() + books_nav = SortedDict() + for tag in models.Tag.objects.filter(category='author'): + books_by_author[tag] = [] + + for book in books_by_parent.get(None,()): + authors = list(book.tags.filter(category='author')) + if authors: + for author in authors: + books_by_author[author].append(book) + else: + orphans.append(book) - return render_to_response('catalogue/book_list.html', locals(), + for tag in books_by_author: + if books_by_author[tag]: + books_nav.setdefault(tag.sort_key[0], []).append(tag) + + return render_to_response(template_name, locals(), context_instance=RequestContext(request)) +def audiobook_list(request): + return book_list(request, ~Q(mp3_file='') | ~Q(ogg_file=''), + template_name='catalogue/audiobook_list.html') + + +def daisy_list(request): + return book_list(request, ~Q(daisy_file=''), + template_name='catalogue/daisy_list.html') + + def differentiate_tags(request, tags, ambiguous_slugs): beginning = '/'.join(tag.url_chunk for tag in tags) unparsed = '/'.join(ambiguous_slugs[1:]) @@ -83,7 +133,7 @@ def differentiate_tags(request, tags, ambiguous_slugs): 'tags': [tag] }) return render_to_response('catalogue/differentiate_tags.html', - {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]}, + {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]}, context_instance=RequestContext(request)) @@ -105,8 +155,9 @@ def tagged_object_list(request, tags=''): raise Http404 theme_is_set = [tag for tag in tags if tag.category == 'theme'] - shelf_is_set = len(tags) == 1 and tags[0].category == 'set' - my_shelf_is_set = shelf_is_set and request.user.is_authenticated() and request.user == tags[0].user + 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 objects = only_author = pd_counter = None categories = {} @@ -118,11 +169,11 @@ def tagged_object_list(request, tags=''): if shelf_tags: books = models.Book.tagged.with_all(shelf_tags).order_by() - l_tags = [book.book_tag() for book in books] + l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books]) 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, + #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] if fragment_keys: @@ -135,13 +186,14 @@ def tagged_object_list(request, tags=''): objects = fragments else: # get relevant books and their tags - objects = models.Book.tagged.with_all(tags).order_by() - l_tags = [book.book_tag() for book in objects] - # eliminate descendants - descendants_keys = [book.pk for book in models.Book.tagged.with_any(l_tags)] - if descendants_keys: - objects = objects.exclude(pk__in=descendants_keys) - + objects = models.Book.tagged.with_all(tags) + if not shelf_is_set: + # eliminate descendants + l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects]) + descendants_keys = [book.pk for book in models.Book.tagged.with_any(l_tags)] + if descendants_keys: + objects = objects.exclude(pk__in=descendants_keys) + # get related tags from `tag_counter` and `theme_counter` related_counts = {} tags_pks = [tag.pk for tag in tags] @@ -154,7 +206,7 @@ def tagged_object_list(request, tags=''): 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 @@ -169,10 +221,10 @@ def tagged_object_list(request, tags=''): template_name='catalogue/tagged_object_list.html', extra_context={ 'categories': categories, - 'shelf_is_set': shelf_is_set, + 'only_shelf': only_shelf, 'only_author': only_author, 'pd_counter': pd_counter, - 'user_is_owner': my_shelf_is_set, + 'only_my_shelf': only_my_shelf, 'formats_form': forms.DownloadFormatsForm(), 'tags': tags, @@ -201,8 +253,19 @@ def book_detail(request, slug): tags = list(book.tags.filter(~Q(category='set'))) categories = split_tags(tags) book_children = book.children.all().order_by('parent_number') - extra_where = "catalogue_tag.category = 'theme'" - book_themes = models.Tag.objects.related_for_model(book_tag, models.Fragment, counts=True, extra={'where': [extra_where]}) + + _book = book + parents = [] + while _book.parent: + parents.append(_book.parent) + _book = _book.parent + parents = reversed(parents) + + theme_counter = book.theme_counter + book_themes = models.Tag.objects.filter(pk__in=theme_counter.keys()) + for tag in book_themes: + tag.count = theme_counter[tag.pk] + extra_info = book.get_extra_info_value() form = forms.SearchForm() @@ -221,6 +284,8 @@ def book_stub_detail(request, slug): def book_text(request, slug): book = get_object_or_404(models.Book, slug=slug) + if not book.has_html_file(): + raise Http404 book_themes = {} for fragment in book.fragments.all(): for theme in fragment.tags.filter(category='theme'): @@ -238,7 +303,7 @@ def book_text(request, slug): def _no_diacritics_regexp(query): """ returns a regexp for searching for a query without diacritics - + should be locale-aware """ names = { 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', @@ -256,16 +321,16 @@ def unicode_re_escape(query): def _word_starts_with(name, prefix): """returns a Q object getting models having `name` contain a word starting with `prefix` - + We define word characters as alphanumeric and underscore, like in JS. - + Works for MySQL, PostgreSQL, Oracle. For SQLite, _sqlite* version is substituted for this. """ kwargs = {} prefix = _no_diacritics_regexp(unicode_re_escape(prefix)) - # can't use [[:<:]] (word start), + # can't use [[:<:]] (word start), # but we want both `xy` and `(xy` to catch `(xyz)` kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix @@ -273,8 +338,8 @@ def _word_starts_with(name, prefix): def _sqlite_word_starts_with(name, prefix): - """ version of _word_starts_with for SQLite - + """ version of _word_starts_with for SQLite + SQLite in Django uses Python re module """ kwargs = {} @@ -283,7 +348,7 @@ def _sqlite_word_starts_with(name, prefix): return Q(**kwargs) -if settings.DATABASE_ENGINE == 'sqlite3': +if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3': _word_starts_with = _sqlite_word_starts_with @@ -297,7 +362,6 @@ def _tags_starting_with(prefix, user=None): tags = tags.filter(~Q(category='book') & (~Q(category='set') | Q(user=user))) else: tags = tags.filter(~Q(category='book') & ~Q(category='set')) - return list(books) + list(tags) + list(book_stubs) @@ -314,18 +378,22 @@ def _get_result_type(match): type = 'book' else: type = match.category - return dict(models.TAG_CATEGORIES)[type] + return type + +def books_starting_with(prefix): + prefix = prefix.lower() + return models.Book.objects.filter(_word_starts_with('title', prefix)) def find_best_matches(query, user=None): """ Finds a Book, Tag or Bookstub best matching a query. - + Returns a with: - zero elements when nothing is found, - one element when a best result is found, - more then one element on multiple exact matches - + Raises a ValueError on too short a query. """ @@ -372,8 +440,29 @@ def tags_starting_with(request): # Prefix must have at least 2 characters if len(prefix) < 2: return HttpResponse('') - - return HttpResponse('\n'.join(tag.name for tag in _tags_starting_with(prefix, request.user))) + tags_list = [] + result = "" + for tag in _tags_starting_with(prefix, request.user): + if not tag.name in tags_list: + result += "\n" + tag.name + tags_list.append(tag.name) + return HttpResponse(result) + +def json_tags_starting_with(request, callback=None): + # Callback for JSONP + prefix = request.GET.get('q', '') + callback = request.GET.get('callback', '') + # Prefix must have at least 2 characters + if len(prefix) < 2: + return HttpResponse('') + tags_list = [] + result = "" + for tag in _tags_starting_with(prefix, request.user): + if not tag.name in tags_list: + result += "\n" + tag.name + tags_list.append(tag.name) + dict_result = {"matches": tags_list} + return JSONResponse(dict_result, callback) # ==================== # = Shelf management = @@ -388,13 +477,13 @@ def user_shelves(request): @cache.never_cache def book_sets(request, slug): + if not request.user.is_authenticated(): + return HttpResponse(_('

To maintain your shelves you need to be logged in.

')) + book = get_object_or_404(models.Book, slug=slug) user_sets = models.Tag.objects.filter(category='set', user=request.user) book_sets = book.tags.filter(category='set', user=request.user) - if not request.user.is_authenticated(): - return HttpResponse(_('

To maintain your shelves you need to be logged in.

')) - if request.method == 'POST': form = forms.ObjectSetsForm(book, request.user, request.POST) if form.is_valid(): @@ -402,16 +491,16 @@ def book_sets(request, slug): 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]: - shelf.book_count -= 1 + shelf.book_count = None shelf.save() for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]: - shelf.book_count += 1 + shelf.book_count = None shelf.save() book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user))) if request.is_ajax(): - return HttpResponse(_('

Shelves were sucessfully saved.

')) + return JSONResponse('{"msg":"'+_("

Shelves were sucessfully saved.

")+'", "after":"close"}') else: return HttpResponseRedirect('/') else: @@ -432,7 +521,7 @@ def remove_from_shelf(request, shelf, book): if shelf in book.tags: models.Tag.objects.remove_tag(book, shelf) - shelf.book_count -= 1 + shelf.book_count = None shelf.save() return HttpResponse(_('Book was successfully removed from the shelf')) @@ -458,7 +547,7 @@ 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. + be used for large dynamic PDF files. """ shelf = get_object_or_404(models.Tag, slug=slug, category='set') @@ -467,19 +556,21 @@ def download_shelf(request, slug): if form.is_valid(): formats = form.cleaned_data['formats'] if len(formats) == 0: - formats = ['pdf', 'epub', 'odt', 'txt', 'mp3', 'ogg'] + formats = ['pdf', 'epub', 'odt', 'txt', 'mp3', 'ogg', 'daisy'] # Create a ZIP archive temp = tempfile.TemporaryFile() archive = zipfile.ZipFile(temp, 'w') + already = set() for book in collect_books(models.Book.tagged.with_all(shelf)): if 'pdf' in formats and book.pdf_file: filename = book.pdf_file.path archive.write(filename, str('%s.pdf' % book.slug)) - if 'epub' in formats and book.epub_file: - filename = book.epub_file.path - archive.write(filename, str('%s.epub' % book.slug)) + if book.root_ancestor not in already and 'epub' in formats and book.root_ancestor.epub_file: + filename = book.root_ancestor.epub_file.path + archive.write(filename, str('%s.epub' % book.root_ancestor.slug)) + already.add(book.root_ancestor) if 'odt' in formats and book.odt_file: filename = book.odt_file.path archive.write(filename, str('%s.odt' % book.slug)) @@ -492,6 +583,9 @@ def download_shelf(request, slug): if 'ogg' in formats and book.ogg_file: filename = book.ogg_file.path archive.write(filename, str('%s.ogg' % book.slug)) + if 'daisy' in formats and book.daisy_file: + filename = book.daisy_file.path + archive.write(filename, str('%s.daisy.zip' % book.slug)) archive.close() response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed') @@ -510,12 +604,12 @@ def shelf_book_formats(request, shelf): """ shelf = get_object_or_404(models.Tag, slug=shelf, category='set') - formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False} + formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False, 'daisy': False} for book in collect_books(models.Book.tagged.with_all(shelf)): if book.pdf_file: formats['pdf'] = True - if book.epub_file: + if book.root_ancestor.epub_file: formats['epub'] = True if book.odt_file: formats['odt'] = True @@ -525,6 +619,8 @@ def shelf_book_formats(request, shelf): formats['mp3'] = True if book.ogg_file: formats['ogg'] = True + if book.daisy_file: + formats['daisy'] = True return HttpResponse(LazyEncoder().encode(formats)) @@ -538,7 +634,7 @@ def new_set(request): new_set = new_set_form.save(request.user) if request.is_ajax(): - return HttpResponse(_('

Shelf %s was successfully created

') % new_set) + return JSONResponse('{"id":"%d", "name":"%s", "msg":"

Shelf %s was successfully created

"}' % (new_set.id, new_set.name, new_set)) else: return HttpResponseRedirect('/') @@ -612,7 +708,6 @@ def import_book(request): info = sys.exc_info() exception = pprint.pformat(info[1]) tb = '\n'.join(traceback.format_tb(info[2])) - _('Today is %(month)s, %(day)s.') % {'month': m, 'day': d} return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain') return HttpResponse(_("Book imported successfully")) else: