-# -*- 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.contrib.auth.models import User
from django.core.exceptions import ObjectDoesNotExist
from django.db import models
-from django.db.models import permalink
from django.db.models.query import Prefetch
from django.dispatch import Signal
+from django.urls import reverse
from django.utils.translation import ugettext_lazy as _
from newtagging.models import TagManager, TaggedItemManager
-from ssify import flush_ssi_includes
# Those are hard-coded here so that makemessages sees them.
class TagRelation(models.Model):
- tag = models.ForeignKey('Tag', verbose_name=_('tag'), related_name='items')
- content_type = models.ForeignKey(ContentType, verbose_name=_('content type'))
+ tag = models.ForeignKey('Tag', models.CASCADE, verbose_name=_('tag'), related_name='items')
+ content_type = models.ForeignKey(ContentType, models.CASCADE, verbose_name=_('content type'))
object_id = models.PositiveIntegerField(_('object id'), db_index=True)
content_object = GenericForeignKey('content_type', 'object_id')
def __str__(self):
try:
- return u'%s [%s]' % (self.content_type.get_object_for_this_type(pk=self.object_id), self.tag)
+ return '%s [%s]' % (self.content_type.get_object_for_this_type(pk=self.object_id), self.tag)
except ObjectDoesNotExist:
- return u'<deleted> [%s]' % self.tag
+ return '<deleted> [%s]' % self.tag
class Tag(models.Model):
for_books = models.BooleanField(default=False)
for_pictures = models.BooleanField(default=False)
- user = models.ForeignKey(User, blank=True, null=True)
+ user = models.ForeignKey(User, models.CASCADE, 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)
+ photo = models.FileField(blank=True, null=True, upload_to='catalogue/tag/')
+ photo_attribution = models.CharField(max_length=255, blank=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)
- after_change = Signal(providing_args=['instance', 'languages'])
+ after_change = Signal(providing_args=['instance'])
intermediary_table_model = TagRelation
objects = TagManager()
app_label = 'catalogue'
def save(self, *args, **kwargs):
- flush_cache = flush_all_includes = False
- if self.pk and self.category != 'set':
- # Flush the whole views cache.
- # Seem a little harsh, but changed tag names, descriptions
- # and links come up at any number of places.
- flush_cache = True
-
- # Find in which languages we need to flush related includes.
- old_self = type(self).objects.get(pk=self.pk)
- # Category shouldn't normally be changed, but just in case.
- if self.category != old_self.category:
- flush_all_includes = True
- languages_changed = self.languages_changed(old_self)
-
+ existing = self.pk and self.category != 'set'
ret = super(Tag, self).save(*args, **kwargs)
-
- if flush_cache:
- caches[settings.CACHE_MIDDLEWARE_ALIAS].clear()
- if flush_all_includes:
- flush_ssi_includes()
- else:
- self.flush_includes()
- self.after_change.send(sender=type(self), instance=self, languages=languages_changed)
-
+ if existing:
+ self.after_change.send(sender=type(self), instance=self)
return ret
- def languages_changed(self, old):
- all_langs = [lc for (lc, _ln) in settings.LANGUAGES]
- if (old.category, old.slug) != (self.category, self.slug):
- return all_langs
- languages = set()
- for lang in all_langs:
- name_field = 'name_%s' % lang
- if getattr(old, name_field) != getattr(self, name_field):
- languages.add(lang)
- return languages
-
- def flush_includes(self, languages=True):
- if not languages:
- return
- if languages is True:
- languages = [lc for (lc, _ln) in settings.LANGUAGES]
- flush_ssi_includes([
- template % (self.pk, lang)
- for template in [
- '/api/include/tag/%d.%s.json',
- '/api/include/tag/%d.%s.xml',
- ]
- for lang in languages
- ])
- flush_ssi_includes([
- '/katalog/%s.json' % lang for lang in languages])
-
def __str__(self):
return self.name
def category_plural(self):
return self.category + 's'
- @permalink
def get_absolute_url(self):
- return 'tagged_object_list', [self.url_chunk]
+ return reverse('tagged_object_list', args=[self.url_chunk])
- @permalink
def get_absolute_gallery_url(self):
- return 'tagged_object_list_gallery', [self.url_chunk]
+ return reverse('tagged_object_list_gallery', args=[self.url_chunk])
def has_description(self):
return len(self.description) > 0