+++ /dev/null
-# -*- coding: utf-8 -*-
-from django.db import models
-from django.db.models import permalink, Q
-from django.utils.translation import ugettext_lazy as _
-from django.contrib.auth.models import User
-from django.core.files import File
-from django.template.loader import render_to_string
-from django.utils.safestring import mark_safe
-
-from newtagging.models import TagBase
-from newtagging import managers
-
-from librarian import html, dcparser
-
-
-TAG_CATEGORIES = (
- ('author', _('author')),
- ('epoch', _('epoch')),
- ('kind', _('kind')),
- ('genre', _('genre')),
- ('theme', _('theme')),
- ('set', _('set')),
-)
-
-
-class TagSubcategoryManager(models.Manager):
- def __init__(self, subcategory):
- super(TagSubcategoryManager, self).__init__()
- self.subcategory = subcategory
-
- def get_query_set(self):
- return super(TagSubcategoryManager, self).get_query_set().filter(category=self.subcategory)
-
-
-class Tag(TagBase):
- name = models.CharField(_('name'), max_length=50, unique=True, db_index=True)
- slug = models.SlugField(_('slug'), unique=True, db_index=True)
- sort_key = models.SlugField(_('sort key'), db_index=True)
- category = models.CharField(_('category'), max_length=50, blank=False, null=False,
- db_index=True, choices=TAG_CATEGORIES)
- description = models.TextField(blank=True)
-
- user = models.ForeignKey(User, blank=True, null=True)
-
- def has_description(self):
- return len(self.description) > 0
- has_description.short_description = _('description')
- has_description.boolean = True
-
- @permalink
- def get_absolute_url(self):
- return ('catalogue.views.tagged_object_list', [self.slug])
-
- class Meta:
- ordering = ('sort_key',)
- verbose_name = _('tag')
- verbose_name_plural = _('tags')
-
- def __unicode__(self):
- return self.name
-
- @staticmethod
- def get_tag_list(tags):
- if isinstance(tags, basestring):
- tag_slugs = tags.split('/')
- return [Tag.objects.get(slug=slug) for slug in tag_slugs]
- else:
- return TagBase.get_tag_list(tags)
-
-
-class Book(models.Model):
- title = models.CharField(_('title'), max_length=120)
- slug = models.SlugField(_('slug'), unique=True, db_index=True)
- description = models.TextField(_('description'), blank=True)
- created_at = models.DateTimeField(_('creation date'), auto_now=True)
- _short_html = models.TextField(_('short HTML'), editable=False)
-
- # Formats
- xml_file = models.FileField(_('XML file'), upload_to='books/xml', blank=True)
- pdf_file = models.FileField(_('PDF file'), upload_to='books/pdf', blank=True)
- odt_file = models.FileField(_('ODT file'), upload_to='books/odt', blank=True)
- html_file = models.FileField(_('HTML file'), upload_to='books/html', blank=True)
-
- parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
-
- objects = models.Manager()
- tagged = managers.ModelTaggedItemManager(Tag)
- tags = managers.TagDescriptor(Tag)
-
- def short_html(self):
- if len(self._short_html):
- return mark_safe(self._short_html)
- else:
- tags = self.tags.filter(~Q(category__in=('set', 'theme')))
- tags = [u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name) for tag in tags]
-
- formats = []
- if self.html_file:
- formats.append(u'<a href="%s">Czytaj online</a>' % self.html_file.url)
- if self.pdf_file:
- formats.append(u'<a href="%s">Plik PDF</a>' % self.pdf_file.url)
- if self.odt_file:
- formats.append(u'<a href="%s">Plik ODT</a>' % self.odt_file.url)
-
- self._short_html = render_to_string('catalogue/book_short.html',
- {'book': self, 'tags': tags, 'formats': formats})
- self.save()
- return mark_safe(self._short_html)
-
- def has_description(self):
- return len(self.description) > 0
- has_description.short_description = _('description')
- has_description.boolean = True
-
- def has_pdf_file(self):
- return bool(self.pdf_file)
- has_pdf_file.short_description = 'PDF'
- has_pdf_file.boolean = True
-
- def has_odt_file(self):
- return bool(self.odt_file)
- has_odt_file.short_description = 'ODT'
- has_odt_file.boolean = True
-
- def has_html_file(self):
- return bool(self.html_file)
- has_html_file.short_description = 'HTML'
- has_html_file.boolean = True
-
- @staticmethod
- def from_xml_file(xml_file):
- from tempfile import NamedTemporaryFile
- from slughifi import slughifi
- from markupstring import MarkupString
-
- # Read book metadata
- book_info = dcparser.parse(xml_file)
- book = Book(title=book_info.title, slug=slughifi(book_info.title))
- book.save()
-
- book_tags = []
- for category in ('kind', 'genre', 'author', 'epoch'):
- tag_name = getattr(book_info, category)
- tag_sort_key = tag_name
- if category == 'author':
- tag_sort_key = tag_name.last_name
- tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
- tag, created = Tag.objects.get_or_create(name=tag_name,
- slug=slughifi(tag_name), sort_key=slughifi(tag_sort_key), category=category)
- tag.save()
- book_tags.append(tag)
- book.tags = book_tags
-
- if hasattr(book_info, 'parts'):
- for part_url in book_info.parts:
- base, slug = part_url.rsplit('/', 1)
- child_book = Book.objects.get(slug=slug)
- child_book.parent = book
- child_book.save()
-
- # Save XML and HTML files
- book.xml_file.save('%s.xml' % book.slug, File(file(xml_file)), save=False)
-
- html_file = NamedTemporaryFile()
- html.transform(book.xml_file.path, html_file)
- book.html_file.save('%s.html' % book.slug, File(html_file), save=False)
-
- # Extract fragments
- closed_fragments, open_fragments = html.extract_fragments(book.html_file.path)
- book_themes = []
- for fragment in closed_fragments.values():
- text = fragment.to_string()
- short_text = ''
- if (len(MarkupString(text)) > 240):
- short_text = MarkupString(text)[:160]
- new_fragment = Fragment(text=text, short_text=short_text, anchor=fragment.id, book=book)
-
- theme_names = [s.strip() for s in fragment.themes.split(',')]
- themes = []
- for theme_name in theme_names:
- tag, created = Tag.objects.get_or_create(name=theme_name,
- slug=slughifi(theme_name), sort_key=slughifi(theme_name), category='theme')
- tag.save()
- themes.append(tag)
- new_fragment.save()
- new_fragment.tags = list(book.tags) + themes
- book_themes += themes
-
- book_themes = set(book_themes)
- book.tags = list(book.tags) + list(book_themes)
- return book.save()
-
- @permalink
- def get_absolute_url(self):
- return ('catalogue.views.book_detail', [self.slug])
-
- class Meta:
- ordering = ('title',)
- verbose_name = _('book')
- verbose_name_plural = _('books')
-
- def __unicode__(self):
- return self.title
-
-
-class Fragment(models.Model):
- text = models.TextField()
- short_text = models.TextField(editable=False)
- _short_html = models.TextField(editable=False)
- anchor = models.IntegerField()
- book = models.ForeignKey(Book, related_name='fragments')
-
- objects = models.Manager()
- tagged = managers.ModelTaggedItemManager(Tag)
- tags = managers.TagDescriptor(Tag)
-
- def short_html(self):
- if len(self._short_html):
- return mark_safe(self._short_html)
- else:
- book_authors = [u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)
- for tag in self.book.tags if tag.category == 'author']
-
- self._short_html = render_to_string('catalogue/fragment_short.html',
- {'fragment': self, 'book': self.book, 'book_authors': book_authors})
- self.save()
- return mark_safe(self._short_html)
-
- class Meta:
- ordering = ('book', 'anchor',)
- verbose_name = _('fragment')
- verbose_name_plural = _('fragments')
-
fnp / wolnelektury.git / blobdiff