X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/dbdd1449a656f4c62055926d1531be95c2e6e66b..3f7ea05878c9fa9ac9ff13211e48773ab6cf64eb:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 02278de67..12fdb8d3d 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -81,6 +81,9 @@ class Book(models.Model):
     parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
     ancestor = models.ManyToManyField('self', blank=True, editable=False, related_name='descendant', symmetrical=False)
 
+    cached_author = models.CharField(blank=True, max_length=240, db_index=True)
+    has_audience = models.BooleanField(default=False)
+
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
@@ -123,7 +126,7 @@ class Book(models.Model):
         return split_tags(self.tags.exclude(category__in=('set', 'theme')))
 
     def author_unicode(self):
-        return self.tag_unicode('author')
+        return self.cached_author
 
     def translator(self):
         translators = self.extra_info.get('translators')
@@ -136,6 +139,9 @@ class Book(models.Model):
             others = ''
         return ', '.join(u'\xa0'.join(reversed(translator.split(', ', 1))) for translator in translators) + others
 
+    def cover_source(self):
+        return self.extra_info.get('cover_source', self.parent.cover_source() if self.parent else '')
+
     def save(self, force_insert=False, force_update=False, **kwargs):
         from sortify import sortify
 
@@ -148,6 +154,9 @@ class Book(models.Model):
             author = u''
         self.sort_key_author = author
 
+        self.cached_author = self.tag_unicode('author')
+        self.has_audience = 'audience' in self.extra_info
+
         ret = super(Book, self).save(force_insert, force_update, **kwargs)
 
         return ret
@@ -186,6 +195,9 @@ class Book(models.Model):
         else:
             return self.media.filter(type=type_).exists()
 
+    def has_audio(self):
+        return self.has_media('mp3')
+
     def get_media(self, type_):
         if self.has_media(type_):
             if type_ in Book.formats:
@@ -636,6 +648,13 @@ class Book(models.Model):
         else:
             return None
 
+    def fragment_data(self):
+        fragment = self.choose_fragment()
+        if fragment:
+            return {'title': fragment.book.pretty_title(), 'html': fragment.get_short_text()}
+        else:
+            return None
+
     def update_popularity(self):
         count = self.tags.filter(category='set').values('user').order_by('user').distinct().count()
         try: