+
+ def pretty_title(self, html_links=False):
+ picture = self
+ # TODO Add translations (related_tag_info)
+ names = [(tag.name,
+ catalogue.models.Tag.create_url('author', tag.slug))
+ for tag in self.tags.filter(category='author')]
+ names.append((self.title, self.get_absolute_url()))
+
+ if html_links:
+ names = ['<a href="%s">%s</a>' % (tag[1], tag[0]) for tag in names]
+ else:
+ names = [tag[0] for tag in names]
+ return ', '.join(names)
+
+ def related_info(self):
+ """Keeps info about related objects (tags) in cache field."""
+ if self._related_info is not None:
+ return self._related_info
+ else:
+ rel = {'tags': {}}
+
+ tags = self.tags.filter(category__in=(
+ 'author', 'kind', 'genre', 'epoch'))
+ tags = split_tags(tags)
+ for category in tags:
+ cat = []
+ for tag in tags[category]:
+ tag_info = {'slug': tag.slug, 'name': tag.name}
+ for lc, ln in settings.LANGUAGES:
+ tag_name = getattr(tag, "name_%s" % lc)
+ if tag_name:
+ tag_info["name_%s" % lc] = tag_name
+ cat.append(tag_info)
+ rel['tags'][category] = cat
+
+
+ if self.pk:
+ type(self).objects.filter(pk=self.pk).update(_related_info=rel)
+ return rel
+
+ # copied from book.py, figure out
+ def related_themes(self):
+ # self.theme_counter hides a computation, so a line below actually makes sense
+ theme_counter = self.theme_counter
+ picture_themes = list(catalogue.models.Tag.objects.filter(pk__in=theme_counter.keys()))
+ for tag in picture_themes:
+ tag.count = theme_counter[tag.pk]
+ return picture_themes
+
+ def reset_tag_counter(self):
+ if self.id is None:
+ return
+
+ cache_key = "Picture.tag_counter/%d" % self.id
+ permanent_cache.delete(cache_key)
+ if self.parent:
+ self.parent.reset_tag_counter()
+
+ @property
+ def tag_counter(self):
+ if self.id:
+ cache_key = "Picture.tag_counter/%d" % self.id
+ tags = permanent_cache.get(cache_key)
+ else:
+ tags = None
+
+ if tags is None:
+ tags = {}
+ # do we need to do this? there are no children here.
+ for tag in self.tags.exclude(category__in=('book', 'theme', 'thing', 'set')).order_by().iterator():
+ tags[tag.pk] = 1
+
+ if self.id:
+ permanent_cache.set(cache_key, tags)
+ return tags
+
+ def reset_theme_counter(self):
+ if self.id is None:
+ return
+
+ cache_key = "Picture.theme_counter/%d" % self.id
+ permanent_cache.delete(cache_key)
+
+ @property
+ def theme_counter(self):
+ if self.id:
+ cache_key = "Picture.theme_counter/%d" % self.id
+ tags = permanent_cache.get(cache_key)
+ else:
+ tags = None
+
+ if tags is None:
+ tags = {}
+ for area in PictureArea.objects.filter(picture=self).order_by().iterator():
+ for tag in area.tags.filter(category__in=('theme', 'thing')).order_by().iterator():
+ tags[tag.pk] = tags.get(tag.pk, 0) + 1
+
+ if self.id:
+ permanent_cache.set(cache_key, tags)
+ return tags
fnp / wolnelektury.git / blobdiff