Other versions on book detail page.

[wolnelektury.git] / apps / catalogue / models / book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index 9f7803d..f85cfce 100644 (file)
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -44,6 +44,9 @@ class Book(models.Model):
 
     cover = EbookField('cover', _('cover'),
                 upload_to=book_upload_path('jpg'), null=True, blank=True)
+    # Cleaner version of cover for thumbs
+    cover_thumb = EbookField('cover_thumb', _('cover thumbnail'),
+                upload_to=book_upload_path('th.jpg'), null=True, blank=True)
     ebook_formats = constants.EBOOK_FORMATS
     formats = ebook_formats + ['html', 'xml']
 
@@ -97,6 +100,12 @@ class Book(models.Model):
     def name(self):
         return self.title
 
+    def language_code(self):
+        return constants.LANGUAGES_3TO2.get(self.language, self.language)
+
+    def language_name(self):
+        return dict(settings.LANGUAGES).get(self.language_code(), "")
+
     def book_tag_slug(self):
         return ('l-' + self.slug)[:120]
 
@@ -313,6 +322,7 @@ class Book(models.Model):
         tasks.fix_tree_tags.delay(book)
         if 'cover' not in dont_build:
             book.cover.build_delay()
+            book.cover_thumb.build_delay()
         
         # No saves behind this point.
 
@@ -395,12 +405,17 @@ class Book(models.Model):
         if not self.cover_info(inherit=False):
             if 'cover' not in app_settings.DONT_BUILD:
                 self.cover.build_delay()
+                self.cover_thumb.build_delay()
             for format_ in constants.EBOOK_FORMATS_WITH_COVERS:
                 if format_ not in app_settings.DONT_BUILD:
                     getattr(self, '%s_file' % format_).build_delay()
             for child in self.children.all():
                 child.parent_cover_changed()
 
+    def other_versions(self):
+        """Find other versions (i.e. in other languages) of the book."""
+        return type(self).objects.filter(common_slug=self.common_slug).exclude(pk=self.pk)
+
     def related_info(self):
         """Keeps info about related objects (tags, media) in cache field."""
         if self._related_info is not None: