# 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 _
import mutagen
from mutagen import id3
from slughifi import slughifi
+from sortify import sortify
TAG_CATEGORIES = (
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
class BookMedia(models.Model):
- type = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100", editable=False)
+ type = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100")
name = models.CharField(_('name'), max_length="100")
file = OverwritingFileField(_('file'), upload_to=book_upload_path())
uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
pass
else:
# if name changed, change the file name, too
- if self.name != old.name:
+ if slughifi(self.name) != slughifi(old.name):
self.file.save(None, ExistingFile(self.file.path), save=False, leave=True)
super(BookMedia, self).save(*args, **kwargs)
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
pass
class Meta:
- ordering = ('title',)
+ ordering = ('sort_key',)
verbose_name = _('book')
verbose_name_plural = _('books')
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 = {}
out = StringIO()
text.transform(open(self.xml_file.path), out)
self.txt_file.save('%s.txt' % self.slug, ContentFile(out.getvalue()))
- self.save()
+
+
+ def build_html(self):
+ from tempfile import NamedTemporaryFile
+ from markupstring import MarkupString
+
+ meta_tags = list(self.tags.filter(
+ category__in=('author', 'epoch', 'genre', 'kind')))
+ book_tag = self.book_tag()
+
+ html_file = NamedTemporaryFile()
+ if html.transform(self.xml_file.path, html_file, parse_dublincore=False):
+ self.html_file.save('%s.html' % self.slug, File(html_file))
+
+ # get ancestor l-tags for adding to new fragments
+ ancestor_tags = []
+ p = self.parent
+ while p:
+ ancestor_tags.append(p.book_tag())
+ p = p.parent
+
+ # Delete old fragments and create them from scratch
+ self.fragments.all().delete()
+ # Extract fragments
+ closed_fragments, open_fragments = html.extract_fragments(self.html_file.path)
+ for fragment in closed_fragments.values():
+ try:
+ theme_names = [s.strip() for s in fragment.themes.split(',')]
+ except AttributeError:
+ continue
+ themes = []
+ for theme_name in theme_names:
+ if not theme_name:
+ continue
+ tag, created = Tag.objects.get_or_create(slug=slughifi(theme_name), category='theme')
+ if created:
+ tag.name = theme_name
+ tag.sort_key = theme_name.lower()
+ tag.save()
+ themes.append(tag)
+ if not themes:
+ continue
+
+ text = fragment.to_string()
+ short_text = ''
+ if (len(MarkupString(text)) > 240):
+ short_text = unicode(MarkupString(text)[:160])
+ new_fragment = Fragment.objects.create(anchor=fragment.id, book=self,
+ text=text, short_text=short_text)
+
+ new_fragment.save()
+ new_fragment.tags = set(meta_tags + themes + [book_tag] + ancestor_tags)
+ self.save()
+ return True
+ return False
@classmethod
@classmethod
def from_text_and_meta(cls, raw_file, book_info, overwrite=False, build_epub=True, build_txt=True):
import re
- from tempfile import NamedTemporaryFile
- from markupstring import MarkupString
- from django.core.files.storage import default_storage
# check for parts before we do anything
children = []
book._short_html = ''
book.save()
- book_tags = []
+ meta_tags = []
categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))
for field_name, category in categories:
try:
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)
+ meta_tags.append(tag)
- book.tags = set(book_tags + book_shelves)
+ book.tags = set(meta_tags + book_shelves)
book_tag = book.book_tag()
# delete old fragments when overwriting
book.fragments.all().delete()
- html_file = NamedTemporaryFile()
- if html.transform(book.xml_file.path, html_file, parse_dublincore=False):
- book.html_file.save('%s.html' % book.slug, File(html_file), save=False)
-
- # get ancestor l-tags for adding to new fragments
- ancestor_tags = []
- p = book.parent
- while p:
- ancestor_tags.append(p.book_tag())
- p = p.parent
-
- # Extract fragments
- closed_fragments, open_fragments = html.extract_fragments(book.html_file.path)
- for fragment in closed_fragments.values():
- try:
- theme_names = [s.strip() for s in fragment.themes.split(',')]
- except AttributeError:
- continue
- themes = []
- for theme_name in theme_names:
- if not theme_name:
- continue
- tag, created = Tag.objects.get_or_create(slug=slughifi(theme_name), category='theme')
- if created:
- tag.name = theme_name
- tag.sort_key = theme_name.lower()
- tag.save()
- themes.append(tag)
- if not themes:
- continue
-
- text = fragment.to_string()
- short_text = ''
- if (len(MarkupString(text)) > 240):
- short_text = unicode(MarkupString(text)[:160])
- new_fragment, created = Fragment.objects.get_or_create(anchor=fragment.id, book=book,
- defaults={'text': text, 'short_text': short_text})
-
- new_fragment.save()
- new_fragment.tags = set(book_tags + themes + [book_tag] + ancestor_tags)
-
+ if book.build_html():
if not settings.NO_BUILD_TXT and build_txt:
book.build_txt()
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()
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 \
fnp / wolnelektury.git / blobdiff