# -*- 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 random import randint, random
+from urlparse import urlparse
+
+from django.conf import settings
from django import template
-from django.template import Node, Variable
-from django.utils.encoding import smart_str
+from django.template import Node, Variable, Template, Context
from django.core.urlresolvers import reverse
from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
-from django.db.models import Q
+from django.utils.cache import add_never_cache_headers
+from django.utils.translation import ugettext as _
+from ssify import ssi_variable
+from catalogue.models import Book, BookMedia, Fragment, Tag, Source
+from catalogue.constants import LICENSES
+from picture.models import Picture
register = template.Library()
return ''
+@register.simple_tag
+def html_title_from_tags(tags):
+ if len(tags) < 2:
+ return title_from_tags(tags)
+ template = Template("{{ category }}: <a href='{{ tag.get_absolute_url }}'>{{ tag.name }}</a>")
+ return capfirst(",<br/>".join(
+ template.render(Context({'tag': tag, 'category': _(tag.category)})) for tag in tags))
+
+
+def simple_title(tags):
+ title = []
+ for tag in tags:
+ title.append("%s: %s" % (_(tag.category), tag.name))
+ return capfirst(', '.join(title))
+
+
+@register.simple_tag
+def book_title(book, html_links=False):
+ return book.pretty_title(html_links)
+
+
+@register.simple_tag
+def book_title_html(book):
+ return book_title(book, html_links=True)
+
+
@register.simple_tag
def title_from_tags(tags):
def split_tags(tags):
for tag in tags:
result[tag.category] = tag
return result
-
+
+ # TODO: Remove this after adding flection mechanism
+ return simple_title(tags)
+
class Flection(object):
def get_case(self, name, flection):
return name
flection = Flection()
-
+
self = split_tags(tags)
-
+
title = u''
-
+
# Specjalny przypadek oglądania wszystkich lektur na danej półce
if len(self) == 1 and 'set' in self:
return u'Półka %s' % self['set']
-
+
# Specjalny przypadek "Twórczość w pozytywizmie", wtedy gdy tylko epoka
# jest wybrana przez użytkownika
if 'epoch' in self and len(self) == 1:
text = u'Twórczość w %s' % flection.get_case(unicode(self['epoch']), u'miejscownik')
return capfirst(text)
-
+
# Specjalny przypadek "Dramat w twórczości Sofoklesa", wtedy gdy podane
# są tylko rodzaj literacki i autor
if 'kind' in self and 'author' in self and len(self) == 2:
- text = u'%s w twórczości %s' % (unicode(self['kind']),
+ text = u'%s w twórczości %s' % (unicode(self['kind']),
flection.get_case(unicode(self['author']), u'dopełniacz'))
return capfirst(text)
-
+
# Przypadki ogólniejsze
if 'theme' in self:
title += u'Motyw %s' % unicode(self['theme'])
-
+
if 'genre' in self:
if 'theme' in self:
title += u' w %s' % flection.get_case(unicode(self['genre']), u'miejscownik')
else:
title += unicode(self['genre'])
-
+
if 'kind' in self or 'author' in self or 'epoch' in self:
if 'genre' in self or 'theme' in self:
if 'kind' in self:
title += u' w twórczości '
else:
title += u'%s ' % unicode(self.get('kind', u'twórczość'))
-
+
if 'author' in self:
title += flection.get_case(unicode(self['author']), u'dopełniacz')
elif 'epoch' in self:
title += flection.get_case(unicode(self['epoch']), u'dopełniacz')
-
+
return capfirst(title)
+@register.simple_tag
+def book_tree(book_list, books_by_parent):
+ text = "".join("<li><a href='%s'>%s</a>%s</li>" % (
+ book.get_absolute_url(), book.title, book_tree(books_by_parent.get(book, ()), books_by_parent)
+ ) for book in book_list)
+
+ if text:
+ return "<ol>%s</ol>" % text
+ else:
+ return ''
+
+@register.simple_tag
+def audiobook_tree(book_list, books_by_parent):
+ text = "".join("<li><a class='open-player' href='%s'>%s</a>%s</li>" % (
+ reverse("book_player", args=[book.slug]), book.title, audiobook_tree(books_by_parent.get(book, ()), books_by_parent)
+ ) for book in book_list)
+
+ if text:
+ return "<ol>%s</ol>" % text
+ else:
+ return ''
+
+@register.simple_tag
+def book_tree_texml(book_list, books_by_parent, depth=1):
+ return "".join("""
+ <cmd name='hspace'><parm>%(depth)dem</parm></cmd>%(title)s
+ <spec cat='align' /><cmd name="note"><parm>%(audiences)s</parm></cmd>
+ <spec cat='align' /><cmd name="note"><parm>%(audiobook)s</parm></cmd>
+ <ctrl ch='\\' />
+ %(children)s
+ """ % {
+ "depth": depth,
+ "title": book.title,
+ "audiences": ", ".join(book.audiences_pl()),
+ "audiobook": "audiobook" if book.has_media('mp3') else "",
+ "children": book_tree_texml(books_by_parent.get(book.id, ()), books_by_parent, depth + 1)
+ } for book in book_list)
+
+
+@register.simple_tag
+def book_tree_csv(author, book_list, books_by_parent, depth=1, max_depth=3, delimeter="\t"):
+ def quote_if_necessary(s):
+ try:
+ s.index(delimeter)
+ s.replace('"', '\\"')
+ return '"%s"' % s
+ except ValueError:
+ return s
+
+ return "".join("""%(author)s%(d)s%(preindent)s%(title)s%(d)s%(postindent)s%(audiences)s%(d)s%(audiobook)s
+%(children)s""" % {
+ "d": delimeter,
+ "preindent": delimeter * (depth - 1),
+ "postindent": delimeter * (max_depth - depth),
+ "depth": depth,
+ "author": quote_if_necessary(author.name),
+ "title": quote_if_necessary(book.title),
+ "audiences": ", ".join(book.audiences_pl()),
+ "audiobook": "audiobook" if book.has_media('mp3') else "",
+ "children": book_tree_csv(author, books_by_parent.get(book.id, ()), books_by_parent, depth + 1)
+ } for book in book_list)
+
+@register.simple_tag
+def all_editors(extra_info):
+ editors = []
+ if 'editors' in extra_info:
+ editors += extra_info['editors']
+ if 'technical_editors' in extra_info:
+ editors += extra_info['technical_editors']
+ # support for extra_info-s from librarian<1.2
+ if 'editor' in extra_info:
+ editors.append(extra_info['editor'])
+ if 'technical_editor' in extra_info:
+ editors.append(extra_info['technical_editor'])
+ return ', '.join(
+ ' '.join(p.strip() for p in person.rsplit(',', 1)[::-1])
+ for person in sorted(set(editors)))
+
+
@register.simple_tag
def user_creation_form():
return RegistrationForm(prefix='registration').as_ul()
return LoginForm(prefix='login').as_ul()
-@register.inclusion_tag('catalogue/breadcrumbs.html')
-def breadcrumbs(tags, search_form=True):
- from catalogue.forms import SearchForm
- context = {'tag_list': tags}
- if search_form:
- context['search_form'] = SearchForm(tags=tags)
- return context
-
-
@register.tag
def catalogue_url(parser, token):
bits = token.split_contents()
- tag_name = bits[0]
-
+
tags_to_add = []
tags_to_remove = []
for bit in bits[1:]:
tags_to_remove.append(bit[1:])
else:
tags_to_add.append(bit)
-
+
return CatalogueURLNode(tags_to_add, tags_to_remove)
def __init__(self, tags_to_add, tags_to_remove):
self.tags_to_add = [Variable(tag) for tag in tags_to_add]
self.tags_to_remove = [Variable(tag) for tag in tags_to_remove]
-
+
def render(self, context):
tags_to_add = []
tags_to_remove = []
tags_to_remove += [t for t in tag]
else:
tags_to_remove.append(tag)
-
- tag_slugs = [tag.slug for tag in tags_to_add]
+
+ tag_slugs = [tag.url_chunk for tag in tags_to_add]
for tag in tags_to_remove:
try:
- tag_slugs.remove(tag.slug)
+ tag_slugs.remove(tag.url_chunk)
except KeyError:
pass
-
+
if len(tag_slugs) > 0:
return reverse('tagged_object_list', kwargs={'tags': '/'.join(tag_slugs)})
else:
return reverse('main_page')
-@register.inclusion_tag('catalogue/latest_blog_posts.html')
-def latest_blog_posts(feed_url, posts_to_show=5):
- import feedparser
- import datetime
-
- feed = feedparser.parse(feed_url)
- posts = []
- for i in range(posts_to_show):
- pub_date = feed['entries'][i].updated_parsed
- published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
- posts.append({
- 'title': feed['entries'][i].title,
- 'summary': feed['entries'][i].summary,
- 'link': feed['entries'][i].link,
- 'date': published,
- })
- return {'posts': posts}
-
-
@register.inclusion_tag('catalogue/tag_list.html')
def tag_list(tags, choices=None):
if choices is None:
choices = []
- tag_count = len(tags)
+ if len(tags) == 1 and tags[0].category not in [t.category for t in choices]:
+ one_tag = tags[0]
+ return locals()
+
+
+@register.inclusion_tag('catalogue/inline_tag_list.html')
+def inline_tag_list(tags, choices=None):
+ return tag_list(tags, choices)
+
+
+@register.inclusion_tag('catalogue/collection_list.html')
+def collection_list(collections):
return locals()
+
+@register.inclusion_tag('catalogue/book_info.html')
+def book_info(book):
+ return {
+ 'is_picture': isinstance(book, Picture),
+ 'book': book,
+ }
+
+
+@register.inclusion_tag('catalogue/work-list.html', takes_context=True)
+def work_list(context, object_list):
+ request = context.get('request')
+ return locals()
+
+
+# TODO: These are no longer just books.
+@register.inclusion_tag('catalogue/related_books.html', takes_context=True)
+def related_books(context, instance, limit=6, random=1, taken=0):
+ limit = limit - taken
+ max_books = limit - random
+ is_picture = isinstance(instance, Picture)
+
+ pics_qs = Picture.objects.all()
+ if is_picture:
+ pics_qs = pics_qs.exclude(pk=instance.pk)
+ pics = Picture.tagged.related_to(instance, pics_qs)
+ if pics.exists():
+ # Reserve one spot for an image.
+ max_books -= 1
+
+ books_qs = Book.objects.all()
+ if not is_picture:
+ books_qs = books_qs.exclude(common_slug=instance.common_slug).exclude(ancestor=instance)
+ books = Book.tagged.related_to(instance, books_qs)[:max_books]
+
+ pics = pics[:1 + max_books - books.count()]
+
+ random_excluded_books = [b.pk for b in books]
+ random_excluded_pics = [p.pk for p in pics]
+ (random_excluded_pics if is_picture else random_excluded_books).append(instance.pk)
+
+ return {
+ 'request': context['request'],
+ 'books': books,
+ 'pics': pics,
+ 'random': random,
+ 'random_excluded_books': random_excluded_books,
+ 'random_excluded_pics': random_excluded_pics,
+ }
+
+
+@register.inclusion_tag('catalogue/menu.html')
+def catalogue_menu():
+ return {'categories': [
+ ('author', _('Authors'), 'autorzy'),
+ ('genre', _('Genres'), 'gatunki'),
+ ('kind', _('Kinds'), 'rodzaje'),
+ ('epoch', _('Epochs'), 'epoki'),
+ ('theme', _('Themes'), 'motywy'),
+ ]}
+
+
+@register.simple_tag
+def download_audio(book, daisy=True):
+ links = []
+ if book.has_media('mp3'):
+ links.append("<a href='%s'>%s</a>" %
+ (reverse('download_zip_mp3', args=[book.slug]),
+ BookMedia.formats['mp3'].name))
+ if book.has_media('ogg'):
+ links.append("<a href='%s'>%s</a>" %
+ (reverse('download_zip_ogg', args=[book.slug]),
+ BookMedia.formats['ogg'].name))
+ if daisy and book.has_media('daisy'):
+ for dsy in book.get_media('daisy'):
+ links.append("<a href='%s'>%s</a>" %
+ (dsy.file.url, BookMedia.formats['daisy'].name))
+ return ", ".join(links)
+
+
+@register.inclusion_tag("catalogue/snippets/custom_pdf_link_li.html")
+def custom_pdf_link_li(book):
+ return {
+ 'book': book,
+ 'NO_CUSTOM_PDF': settings.NO_CUSTOM_PDF,
+ }
+
+
+@register.inclusion_tag("catalogue/snippets/license_icon.html")
+def license_icon(license_url):
+ """Creates a license icon, if the license_url is known."""
+ known = LICENSES.get(license_url)
+ if known is None:
+ return {}
+ return {
+ "license_url": license_url,
+ "icon": "img/licenses/%s.png" % known['icon'],
+ "license_description": known['description'],
+ }
+
+
+@register.filter
+def class_name(obj):
+ return obj.__class__.__name__
+
+
+@register.simple_tag
+def source_name(url):
+ url = url.lstrip()
+ netloc = urlparse(url).netloc
+ if not netloc:
+ netloc = urlparse('http://' + url).netloc
+ if not netloc:
+ return ''
+ source, created = Source.objects.get_or_create(netloc=netloc)
+ return source.name or netloc
+
+
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def catalogue_random_book(request, exclude_ids):
+ from .. import app_settings
+ if random() < app_settings.RELATED_RANDOM_PICTURE_CHANCE:
+ return None
+ queryset = Book.objects.exclude(pk__in=exclude_ids)
+ count = queryset.count()
+ if count:
+ return queryset[randint(0, count - 1)].pk
+ else:
+ return None
+
+
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def choose_fragment(request, book_id=None, tag_ids=None, unless=False):
+ if unless:
+ return None
+
+ if book_id is not None:
+ fragment = Book.objects.get(pk=book_id).choose_fragment()
+ else:
+ if tag_ids is not None:
+ tags = Tag.objects.filter(pk__in=tag_ids)
+ fragments = Fragment.tagged.with_all(tags).order_by().only('id')
+ else:
+ fragments = Fragment.objects.all().order_by().only('id')
+ fragment_count = fragments.count()
+ fragment = fragments[randint(0, fragment_count - 1)] if fragment_count else None
+ return fragment.pk if fragment is not None else None