X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/a39b207ad55440ed2b3edcedd765a3228f8001e3..80d3980873a2c07121f466c187de92be1cea8415:/apps/catalogue/models.py diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py index 8411f477e..c1290fbcf 100644 --- a/apps/catalogue/models.py +++ b/apps/catalogue/models.py @@ -2,6 +2,8 @@ # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # +from datetime import datetime + from django.db import models from django.db.models import permalink, Q from django.utils.translation import ugettext_lazy as _ @@ -22,6 +24,7 @@ from catalogue.fields import JSONField from librarian import dcparser, html, epub, NoDublinCore from mutagen import id3 from slughifi import slughifi +from sortify import sortify TAG_CATEGORIES = ( @@ -64,6 +67,9 @@ class Tag(TagBase): 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) + categories_rev = { 'autor': 'author', 'epoka': 'epoch', @@ -160,22 +166,33 @@ def book_upload_path(ext=None, maxlen=100): def get_dynamic_path(media, filename, ext=ext): # how to put related book's slug here? if not ext: - ext = media.type + if media.type == 'daisy': + ext = 'daisy.zip' + else: + ext = media.type if not media.name: name = slughifi(filename.split(".")[0]) else: name = slughifi(media.name) - return 'lektura/%s.%s' % (name[:(maxlen-len('lektura/.%s' % ext))], ext) + return 'lektura/%s.%s' % (name[:maxlen-len('lektura/.%s' % ext)-4], ext) return get_dynamic_path class BookMedia(models.Model): type = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100") - name = models.CharField(_('name'), max_length="100", blank=True) - file = models.FileField(_('file'), upload_to=book_upload_path(), blank=True) + name = models.CharField(_('name'), max_length="100") + file = models.FileField(_('file'), upload_to=book_upload_path()) uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False) extra_info = JSONField(_('extra information'), default='{}') + def book_count(self): + return self.book_set.count() + book_count.short_description = _('book count') + + def books(self): + return mark_safe('
'.join("%s" % (reverse('admin:catalogue_book_change', args=[b.id]), b.title) for b in self.book_set.all())) + books.short_description = _('books') + def __unicode__(self): return "%s (%s)" % (self.name, self.file.name.split("/")[-1]) @@ -207,12 +224,14 @@ class BookMedia(models.Model): class Book(models.Model): title = models.CharField(_('title'), max_length=120) + sort_key = models.CharField(_('sort_key'), max_length=120, db_index=True, editable=False) slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True) description = models.TextField(_('description'), blank=True) - created_at = models.DateTimeField(_('creation date'), auto_now_add=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) _short_html = models.TextField(_('short HTML'), editable=False) parent_number = models.IntegerField(_('parent number'), default=0) - extra_info = JSONField(_('extra information')) + extra_info = JSONField(_('extra information'), default='{}') gazeta_link = models.CharField(blank=True, max_length=240) wiki_link = models.CharField(blank=True, max_length=240) # files generated during publication @@ -236,7 +255,7 @@ class Book(models.Model): pass class Meta: - ordering = ('title',) + ordering = ('sort_key',) verbose_name = _('book') verbose_name_plural = _('books') @@ -244,6 +263,8 @@ class Book(models.Model): return self.title def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs): + self.sort_key = sortify(self.title) + if reset_short_html: # Reset _short_html during save update = {} @@ -543,11 +564,11 @@ class Book(models.Model): tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category) if created: tag.name = tag_name - tag.sort_key = tag_sort_key.lower() + tag.sort_key = sortify(tag_sort_key.lower()) tag.save() book_tags.append(tag) - book.tags = book_tags + book_shelves + book.tags = set(book_tags + book_shelves) book_tag = book.book_tag() @@ -689,6 +710,24 @@ class Book(models.Model): return ', '.join(names) + @classmethod + def tagged_top_level(cls, tags): + """ Returns top-level books tagged with `tags'. + + It only returns those books which don't have ancestors which are + also tagged with those tags. + + """ + # get relevant books and their tags + objects = cls.tagged.with_all(tags) + # eliminate descendants + l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects]) + descendants_keys = [book.pk for book in cls.tagged.with_any(l_tags)] + if descendants_keys: + objects = objects.exclude(pk__in=descendants_keys) + + return objects + class Fragment(models.Model): text = models.TextField() @@ -744,7 +783,8 @@ class FileRecord(models.Model): def _tags_updated_handler(sender, affected_tags, **kwargs): # reset tag global counter - Tag.objects.filter(pk__in=[tag.pk for tag in affected_tags]).update(book_count=None) + # we want Tag.changed_at updated for API to know the tag was touched + Tag.objects.filter(pk__in=[tag.pk for tag in affected_tags]).update(book_count=None, changed_at=datetime.now()) # if book tags changed, reset book tag counter if isinstance(sender, Book) and \