X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/9a1e9af2126d185c81637d12e1ca5b79c101586f..3b4b52aebe1b09fe03b3314158f31c4ef83db425:/apps/catalogue/feeds.py diff --git a/apps/catalogue/feeds.py b/apps/catalogue/feeds.py index 0d0bf7707..2411d015a 100644 --- a/apps/catalogue/feeds.py +++ b/apps/catalogue/feeds.py @@ -2,218 +2,82 @@ # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # -from base64 import b64encode -import os.path - +from django.contrib.sites.models import Site from django.contrib.syndication.views import Feed from django.core.urlresolvers import reverse -from django.shortcuts import get_object_or_404 -from django.utils.feedgenerator import Atom1Feed -from django.conf import settings -from django.http import Http404 -from django.contrib.sites.models import Site -from catalogue.models import Book, Tag - - -_root_feeds = ( - {u"category": u"author", u"title": u"Autorzy", u"description": u"Utwory wg autorów"}, - {u"category": u"kind", u"title": u"Rodzaje", u"description": u"Utwory wg rodzajów"}, - {u"category": u"genre", u"title": u"Gatunki", u"description": u"Utwory wg gatunków"}, - {u"category": u"epoch", u"title": u"Epoki", u"description": u"Utwory wg epok"}, -) - - -class OPDSFeed(Atom1Feed): - link_rel = u"subsection" - link_type = u"application/atom+xml" - - try: - with open(os.path.join(settings.STATIC_ROOT, "img/book-par ent.png")) as f: - t = f.read() - _book_parent_img_size = len(t) - _book_parent_img = b64encode(t) - except: - _book_parent_img = _book_parent_img_size = '' - - try: - with open(os.path.join(settings.STATIC_ROOT, "img/bo ok.png")) as f: - t = f.read() - _book_img_size = len(t) - _book_img = b64encode(t) - except: - _book_img = _book_img_size = '' - - def add_root_elements(self, handler): - super(OPDSFeed, self).add_root_elements(handler) - handler.addQuickElement(u"link", u"", {u"href": reverse("opds_authors"), u"rel": u"start", u"type": u"application/atom+xml"}) - - - def add_item_elements(self, handler, item): - """ modified from Atom1Feed.add_item_elements """ - handler.addQuickElement(u"title", item['title']) - - # add a OPDS Navigation link if there's no enclosure - if item['enclosure'] is None: - handler.addQuickElement(u"link", u"", {u"href": item['link'], u"rel": u"subsection", u"type": u"application/atom+xml"}) - # add a "green book" icon - handler.addQuickElement(u"link", '', - {u"rel": u"http://opds-spec.org/thumbnail", - u"href": u"data:image/png;base64,%s" % self._book_parent_img, - u"length": unicode(self._book_parent_img_size), - u"type": u"image/png"}) - if item['pubdate'] is not None: - handler.addQuickElement(u"updated", rfc3339_date(item['pubdate']).decode('utf-8')) - - # Author information. - if item['author_name'] is not None: - handler.startElement(u"author", {}) - handler.addQuickElement(u"name", item['author_name']) - if item['author_email'] is not None: - handler.addQuickElement(u"email", item['author_email']) - if item['author_link'] is not None: - handler.addQuickElement(u"uri", item['author_link']) - handler.endElement(u"author") - - # Unique ID. - if item['unique_id'] is not None: - unique_id = item['unique_id'] - else: - unique_id = get_tag_uri(item['link'], item['pubdate']) - handler.addQuickElement(u"id", unique_id) - - # Summary. - # OPDS needs type=text - if item['description'] is not None: - handler.addQuickElement(u"summary", item['description'], {u"type": u"text"}) - - # Enclosure as OPDS Acquisition Link - if item['enclosure'] is not None: - handler.addQuickElement(u"link", '', - {u"rel": u"http://opds-spec.org/acquisition", - u"href": item['enclosure'].url, - u"length": item['enclosure'].length, - u"type": item['enclosure'].mime_type}) - # add a "red book" icon - handler.addQuickElement(u"link", '', - {u"rel": u"http://opds-spec.org/thumbnail", - u"href": u"data:image/png;base64,%s" % self._book_img, - u"length": unicode(self._book_img_size), - u"type": u"image/png"}) - - # Categories. - for cat in item['categories']: - handler.addQuickElement(u"category", u"", {u"term": cat}) - - # Rights. - if item['item_copyright'] is not None: - handler.addQuickElement(u"rights", item['item_copyright']) - - -class RootFeed(Feed): - feed_type = OPDSFeed - title = u'Wolne Lektury' - link = u'http://www.wolnelektury.pl/' - description = u"Spis utworów na stronie http://WolneLektury.pl" - author_name = u"Wolne Lektury" - author_link = u"http://www.wolnelektury.pl/" - - def items(self): - return _root_feeds +from catalogue import models - def item_title(self, item): - return item['title'] +def absolute_url(url): + return "http://%s%s" % (Site.objects.get_current().domain, url) - def item_link(self, item): - return reverse(u"opds_by_category", args=[item['category']]) - def item_description(self, item): - return item['description'] +class AudiobookFeed(Feed): + description = "Audiobooki ostatnio dodane do serwisu Wolne Lektury." + mime_types = { + 'mp3': 'audio/mpeg', + 'ogg': 'audio/ogg', + 'daisy': 'application/zip', + } -class ByCategoryFeed(Feed): - feed_type = OPDSFeed - link = u'http://www.wolnelektury.pl/' - description = u"Spis utworów na stronie http://WolneLektury.pl" - author_name = u"Wolne Lektury" - author_link = u"http://www.wolnelektury.pl/" + titles = { + 'all': 'WolneLektury.pl - audiobooki we wszystkich formatach', + 'mp3': 'WolneLektury.pl - audiobooki w formacie MP3', + 'ogg': 'WolneLektury.pl - audiobooki w formacie Ogg Vorbis', + 'daisy': 'WolneLektury.pl - audiobooki w formacie DAISY', + } - def get_object(self, request, category): - feed = [feed for feed in _root_feeds if feed['category']==category] - if feed: - feed = feed[0] - else: - raise Http404 + def get_object(self, request, type): + return {'type': type, 'all': 'all' in request.GET} - return feed + def title(self, args): + return self.titles[args['type']] - def title(self, feed): - return feed['title'] + def link(self, args): + return reverse('audiobook_feed', args=(args['type'],)) - def items(self, feed): - return (tag for tag in Tag.objects.filter(category=feed['category']) if tag.get_count() > 0) + def items(self, args): + objects = models.BookMedia.objects.order_by('-uploaded_at') + if type == 'all': + objects = objects.filter(type__in=('mp3', 'ogg', 'daisy')) + else: + objects = objects.filter(type=args['type']) + if not args['all']: + objects = objects[:50] + return objects def item_title(self, item): return item.name - def item_link(self, item): - return reverse("opds_by_tag", args=[item.category, item.slug]) - - def item_description(self): - return u'' + def item_categories(self, item): + return sorted(set(author.name for author in + item.book.tags.filter(category='author').iterator())) + def item_description(self, item): + lines = [] + artist = item.extra_info.get('artist_name', None) + if artist is not None: + lines.append(u'Czyta: %s' % artist) + director = item.extra_info.get('artist_name', None) + if director is not None: + lines.append(u'Reżyseruje: %s' % director) + return u'
\n'.join(lines) -class ByTagFeed(Feed): - feed_type = OPDSFeed - link = u'http://www.wolnelektury.pl/' - item_enclosure_mime_type = "application/epub+zip" - author_name = u"Wolne Lektury" - author_link = u"http://www.wolnelektury.pl/" - - def link(self, tag): - return tag.get_absolute_url() - - def title(self, tag): - return tag.name - - def description(self, tag): - return u"Spis utworów na stronie http://WolneLektury.pl" - - def get_object(self, request, category, slug): - return get_object_or_404(Tag, category=category, slug=slug) - - def items(self, tag): - books = Book.tagged.with_any([tag]) - l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books]) - descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)] - if descendants_keys: - books = books.exclude(pk__in=descendants_keys) - - return books - - def item_title(self, book): - return book.title - - def item_description(self): - return u'' + def item_link(self, item): + return item.book.get_absolute_url() - def item_link(self, book): - return book.get_absolute_url() + def item_guid(self, item): + return absolute_url(item.file.url) - def item_author_name(self, book): - try: - return book.tags.filter(category='author')[0].name - except KeyError: - return u'' + def item_enclosure_url(self, item): + return absolute_url(item.file.url) - def item_author_link(self, book): - try: - return book.tags.filter(category='author')[0].get_absolute_url() - except KeyError: - return u'' + def item_enclosure_length(self, item): + return item.file.size - def item_enclosure_url(self, book): - return "http://%s%s" % (Site.objects.get_current().domain, book.epub_file.url) + def item_enclosure_mime_type(self, item): + return self.mime_types[item.type] - def item_enclosure_length(self, book): - return book.epub_file.size + def item_pubdate(self, item): + return item.uploaded_at