#
from django.conf import settings
from django.contrib.auth.models import User
-from django.core.exceptions import ValidationError
from django.db import models
from django.db.models import permalink
-from django.utils.translation import ugettext, ugettext_lazy as _
+from django.utils.translation import ugettext_lazy as _
from newtagging.models import TagBase
('genre', _('genre')),
('theme', _('theme')),
('set', _('set')),
- ('book', _('book')),
('thing', _('thing')), # things shown on pictures
)
class Tag(TagBase):
"""A tag attachable to books and fragments (and possibly anything).
-
+
Used to represent searchable metadata (authors, epochs, genres, kinds),
fragment themes (motifs) and some book hierarchy related kludges."""
name = models.CharField(_('name'), max_length=50, db_index=True)
description = models.TextField(_('description'), blank=True)
user = models.ForeignKey(User, blank=True, null=True)
- book_count = models.IntegerField(_('book count'), blank=True, null=True)
- picture_count = models.IntegerField(_('picture count'), blank=True, null=True)
gazeta_link = models.CharField(blank=True, max_length=240)
culturepl_link = models.CharField(blank=True, max_length=240)
wiki_link = models.CharField(blank=True, max_length=240)
- created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
- changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True)
+ created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
+ changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True)
class UrlDeprecationWarning(DeprecationWarning):
pass
def get_absolute_url(self):
return ('catalogue.views.tagged_object_list', [self.url_chunk])
- def clean(self):
- if self.category == 'book' and (self.gazeta_link or self.wiki_link):
- raise ValidationError(ugettext(
- u"Book tags can't have attached links. Set them directly on the book instead of it's tag."))
-
@classmethod
@permalink
def create_url(cls, category, slug):
has_description.short_description = _('description')
has_description.boolean = True
- def get_count(self):
- """Returns global book count for book tags, fragment count for themes."""
- from catalogue.models import Book, Fragment
-
- if self.category == 'book':
- # never used
- objects = Book.objects.none()
- elif self.category == 'theme':
- objects = Fragment.tagged.with_all((self,))
- else:
- objects = Book.tagged.with_all((self,)).order_by()
- if self.category != 'set':
- # eliminate descendants
- l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects.iterator()])
- descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags).iterator()]
- if descendants_keys:
- objects = objects.exclude(pk__in=descendants_keys)
- return objects.count()
-
- # I shouldn't break the get_count() api
- # just to include pictures.
- def get_picture_count(self):
- from picture.models import Picture
-
- if self.category == 'book':
- # never used
- objects = Picture.objects.none()
- elif self.category == 'theme':
- objects = Picture.tagged.with_all((self,))
- elif self.category == 'thing':
- objects = Picture.tagged.with_all((self,))
- else:
- objects = Picture.tagged.with_all((self,)).order_by()
- return objects.count()
-
@staticmethod
def get_tag_list(tags):
if isinstance(tags, basestring):
category = Tag.categories_rev[name]
else:
try:
- real_tags.append(Tag.objects.exclude(category='book').get(slug=name))
- deprecated = True
+ real_tags.append(Tag.objects.get(slug=name))
+ deprecated = True
except Tag.MultipleObjectsReturned, e:
ambiguous_slugs.append(name)
tag.name = tag_name
setattr(tag, "name_%s" % lang, tag_name)
tag.sort_key = sortify(tag_sort_key.lower())
- try:
- tag.save()
- except Exception, e:
- import pdb; pdb.set_trace()
- raise e
+ tag.save()
+
meta_tags.append(tag)
else:
# Ignore unknown tags in non-default languages.
else:
meta_tags.append(tag)
return meta_tags
+
+
+# Pickle complains about not having this.
+TagRelation = Tag.intermediary_table_model