X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/c7c0b88f1f628f0498c8c53c76a061ec128a228a..357027375ff8867f42ca34bcbfb5a78b5b185fc3:/apps/catalogue/models/tag.py diff --git a/apps/catalogue/models/tag.py b/apps/catalogue/models/tag.py deleted file mode 100644 index 1309cbbd2..000000000 --- a/apps/catalogue/models/tag.py +++ /dev/null @@ -1,192 +0,0 @@ -# -*- coding: utf-8 -*- -# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. -# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. -# -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 newtagging.models import TagBase - - -# Those are hard-coded here so that makemessages sees them. -TAG_CATEGORIES = ( - ('author', _('author')), - ('epoch', _('epoch')), - ('kind', _('kind')), - ('genre', _('genre')), - ('theme', _('theme')), - ('set', _('set')), - ('book', _('book')), -) - - -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) - slug = models.SlugField(_('slug'), max_length=120, db_index=True) - sort_key = models.CharField(_('sort key'), max_length=120, db_index=True) - category = models.CharField(_('category'), max_length=50, blank=False, null=False, - db_index=True, choices=TAG_CATEGORIES) - description = models.TextField(_('description'), blank=True) - - user = models.ForeignKey(User, blank=True, null=True) - book_count = models.IntegerField(_('book count'), blank=True, null=True) - gazeta_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) - - class UrlDeprecationWarning(DeprecationWarning): - pass - - categories_rev = { - 'autor': 'author', - 'epoka': 'epoch', - 'rodzaj': 'kind', - 'gatunek': 'genre', - 'motyw': 'theme', - 'polka': 'set', - } - categories_dict = dict((item[::-1] for item in categories_rev.iteritems())) - - class Meta: - ordering = ('sort_key',) - verbose_name = _('tag') - verbose_name_plural = _('tags') - unique_together = (("slug", "category"),) - app_label = 'catalogue' - - def __unicode__(self): - return self.name - - def __repr__(self): - return "Tag(slug=%r)" % self.slug - - @permalink - 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): - return ('catalogue.views.tagged_object_list', [ - '/'.join((cls.categories_dict[category], slug)) - ]) - - def has_description(self): - return len(self.description) > 0 - 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() - - @staticmethod - def get_tag_list(tags): - if isinstance(tags, basestring): - real_tags = [] - ambiguous_slugs = [] - category = None - deprecated = False - tags_splitted = tags.split('/') - for name in tags_splitted: - if category: - real_tags.append(Tag.objects.get(slug=name, category=category)) - category = None - elif name in Tag.categories_rev: - category = Tag.categories_rev[name] - else: - try: - real_tags.append(Tag.objects.exclude(category='book').get(slug=name)) - deprecated = True - except Tag.MultipleObjectsReturned, e: - ambiguous_slugs.append(name) - - if category: - # something strange left off - raise Tag.DoesNotExist() - if ambiguous_slugs: - # some tags should be qualified - e = Tag.MultipleObjectsReturned() - e.tags = real_tags - e.ambiguous_slugs = ambiguous_slugs - raise e - if deprecated: - e = Tag.UrlDeprecationWarning() - e.tags = real_tags - raise e - return real_tags - else: - return TagBase.get_tag_list(tags) - - @property - def url_chunk(self): - return '/'.join((Tag.categories_dict[self.category], self.slug)) - - @staticmethod - def tags_from_info(info): - from fnpdjango.utils.text.slughifi import slughifi - from sortify import sortify - meta_tags = [] - categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch')) - for field_name, category in categories: - try: - tag_names = getattr(info, field_name) - except: - try: - tag_names = [getattr(info, category)] - except: - # For instance, Pictures do not have 'genre' field. - continue - for tag_name in tag_names: - lang = getattr(tag_name, 'lang', settings.LANGUAGE_CODE) - tag_sort_key = tag_name - if category == 'author': - tag_sort_key = tag_name.last_name - tag_name = tag_name.readable() - if lang == settings.LANGUAGE_CODE: - # Allow creating new tag, if it's in default language. - tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category) - if created: - tag.name = tag_name - setattr(tag, "name_%s" % lang, tag_name) - tag.sort_key = sortify(tag_sort_key.lower()) - tag.save() - meta_tags.append(tag) - else: - # Ignore unknown tags in non-default languages. - try: - tag = Tag.objects.get(category=category, **{"name_%s" % lang: tag_name}) - except Tag.DoesNotExist: - pass - else: - meta_tags.append(tag) - return meta_tags