Librarian: support for <abstrakt>

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

diff --git a/apps/opds/views.py b/apps/opds/views.py
index f7658c2..c529e02 100644 (file)
--- a/apps/opds/views.py
+++ b/apps/opds/views.py
@@ -12,12 +12,12 @@ from django.utils.feedgenerator import Atom1Feed
 from django.conf import settings
 from django.http import Http404
 from django.contrib.sites.models import Site
+from django.utils.functional import lazy
 
 from basicauth import logged_in_or_basicauth, factory_decorator
 from catalogue.models import Book, Tag
 
-from search.views import Search, SearchResult
-from lucene import Term, QueryWrapperFilter, TermQuery
+from search.views import Search
 import operator
 import logging
 import re
@@ -65,21 +65,22 @@ _root_feeds = (
 )
 
 
+current_domain = lazy(lambda: Site.objects.get_current().domain, str)()
 def full_url(url):
-    return urljoin("http://%s" % Site.objects.get_current().domain, url)
+    return urljoin("http://%s" % current_domain, url)
 
 
 class OPDSFeed(Atom1Feed):
     link_rel = u"subsection"
     link_type = u"application/atom+xml"
 
-    _book_parent_img = full_url(os.path.join(settings.STATIC_URL, "img/book-parent.png"))
+    _book_parent_img = lazy(lambda: full_url(os.path.join(settings.STATIC_URL, "img/book-parent.png")), str)()
     try:
         _book_parent_img_size = unicode(os.path.getsize(os.path.join(settings.STATIC_ROOT, "img/book-parent.png")))
     except:
         _book_parent_img_size = ''
 
-    _book_img = full_url(os.path.join(settings.STATIC_URL, "img/book.png"))
+    _book_img = lazy(lambda: full_url(os.path.join(settings.STATIC_URL, "img/book.png")), str)()
     try:
         _book_img_size = unicode(os.path.getsize(os.path.join(settings.STATIC_ROOT, "img/book.png")))
     except:
@@ -112,6 +113,7 @@ class OPDSFeed(Atom1Feed):
                  u"length": self._book_parent_img_size,
                  u"type": u"image/png"})
         if item['pubdate'] is not None:
+            # FIXME: rfc3339_date is undefined, is this ever run?
             handler.addQuickElement(u"updated", rfc3339_date(item['pubdate']).decode('utf-8'))
 
         # Author information.
@@ -128,6 +130,7 @@ class OPDSFeed(Atom1Feed):
         if item['unique_id'] is not None:
             unique_id = item['unique_id']
         else:
+            # FIXME: get_tag_uri is undefined, is this ever run?
             unique_id = get_tag_uri(item['link'], item['pubdate'])
         handler.addQuickElement(u"id", unique_id)
 
@@ -223,7 +226,7 @@ class ByCategoryFeed(Feed):
     author_link = u"http://wolnelektury.pl/"
 
     def get_object(self, request, category):
-        feed = [feed for feed in _root_feeds if feed['category']==category]
+        feed = [feed for feed in _root_feeds if feed['category'] == category]
         if feed:
             feed = feed[0]
         else:
@@ -235,7 +238,7 @@ class ByCategoryFeed(Feed):
         return feed['title']
 
     def items(self, feed):
-        return Tag.objects.filter(category=feed['category']).exclude(book_count=0)
+        return Tag.objects.filter(category=feed['category']).exclude(items=None)
 
     def item_title(self, item):
         return item.name
@@ -261,13 +264,7 @@ class ByTagFeed(AcquisitionFeed):
         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.iterator()])
-        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
+        return Book.tagged_top_level([tag])
 
 
 @factory_decorator(logged_in_or_basicauth())
@@ -286,7 +283,7 @@ class UserFeed(Feed):
         return u"Półki użytkownika %s" % user.username
 
     def items(self, user):
-        return Tag.objects.filter(category='set', user=user).exclude(book_count=0)
+        return Tag.objects.filter(category='set', user=user).exclude(items=None)
 
     def item_title(self, item):
         return item.name
@@ -297,9 +294,6 @@ class UserFeed(Feed):
     def item_description(self):
         return u''
 
-# no class decorators in python 2.5
-#UserFeed = factory_decorator(logged_in_or_basicauth())(UserFeed)
-
 
 @factory_decorator(logged_in_or_basicauth())
 @piwik_track
@@ -319,9 +313,6 @@ class UserSetFeed(AcquisitionFeed):
     def items(self, tag):
         return Book.tagged.with_any([tag])
 
-# no class decorators in python 2.5
-#UserSetFeed = factory_decorator(logged_in_or_basicauth())(UserSetFeed)
-
 
 @piwik_track
 class SearchFeed(AcquisitionFeed):