allow multiple tags (#303)
[wolnelektury.git] / apps / catalogue / models.py
index 367f382..90ecb1a 100644 (file)
@@ -189,8 +189,12 @@ class Book(models.Model):
     def save(self, force_insert=False, force_update=False, reset_short_html=True, refresh_mp3=True):
         if reset_short_html:
             # Reset _short_html during save
+            update = {}
             for key in filter(lambda x: x.startswith('_short_html'), self.__dict__):
+                update[key] = ''
                 self.__setattr__(key, '')
+            # Fragment.short_html relies on book's tags, so reset it here too
+            self.fragments.all().update(**update)
 
         book = super(Book, self).save(force_insert, force_update)
 
@@ -323,18 +327,23 @@ class Book(models.Model):
         book.save()
 
         book_tags = []
-        for category in ('kind', 'genre', 'author', 'epoch'):
-            tag_name = getattr(book_info, category)
-            tag_sort_key = tag_name
-            if category == 'author':
-                tag_sort_key = tag_name.last_name
-                tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
-            tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
-            if created:
-                tag.name = tag_name
-                tag.sort_key = slughifi(tag_sort_key)
-                tag.save()
-            book_tags.append(tag)
+        categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))
+        for field_name, category in categories:
+            try:
+                tag_names = getattr(book_info, field_name)
+            except:
+                tag_names = [getattr(book_info, category)]
+            for tag_name in tag_names:
+                tag_sort_key = tag_name
+                if category == 'author':
+                    tag_sort_key = tag_name.last_name
+                    tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
+                tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
+                if created:
+                    tag.name = tag_name
+                    tag.sort_key = slughifi(tag_sort_key)
+                    tag.save()
+                book_tags.append(tag)
 
         book.tags = book_tags
 
@@ -460,11 +469,8 @@ class Fragment(models.Model):
         if short_html and len(short_html):
             return mark_safe(short_html)
         else:
-            book_authors = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name))
-                for tag in self.book.tags if tag.category == 'author']
-
             setattr(self, key, unicode(render_to_string('catalogue/fragment_short.html',
-                {'fragment': self, 'book': self.book, 'book_authors': book_authors})))
+                {'fragment': self})))
             self.save()
             return mark_safe(getattr(self, key))