1 # -*- coding: utf-8 -*-
2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
8 from django import template
9 from django.template import Node, Variable
10 from django.utils.encoding import smart_str
11 from django.core.urlresolvers import reverse
12 from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
13 from django.db.models import Q
14 from django.conf import settings
15 from django.utils.translation import ugettext as _
18 register = template.Library()
21 class RegistrationForm(UserCreationForm):
23 "Returns this form rendered as HTML <li>s -- excluding the <ul></ul>."
24 return self._html_output(u'<li>%(errors)s%(label)s %(field)s<span class="help-text">%(help_text)s</span></li>', u'<li>%s</li>', '</li>', u' %s', False)
27 class LoginForm(AuthenticationForm):
29 "Returns this form rendered as HTML <li>s -- excluding the <ul></ul>."
30 return self._html_output(u'<li>%(errors)s%(label)s %(field)s<span class="help-text">%(help_text)s</span></li>', u'<li>%s</li>', '</li>', u' %s', False)
43 return '%s%s' % (text[0].upper(), text[1:])
49 def simple_title(tags):
52 title.append("%s: %s" % (_(tag.category), tag.name))
53 return capfirst(', '.join(title))
56 def book_stub_title(book):
57 return ', '.join((book.author, book.title))
61 def book_title(book, html_links=False):
63 names = list(book.tags.filter(category='author'))
64 except AttributeError:
65 return book_stub_title(book)
71 names.extend(reversed(books))
74 names = ['<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name) for tag in names]
76 names = [tag.name for tag in names]
78 return ', '.join(names)
82 def book_title_html(book):
83 return book_title(book, html_links=True)
87 def title_from_tags(tags):
91 result[tag.category] = tag
94 # TODO: Remove this after adding flection mechanism
95 return simple_title(tags)
97 class Flection(object):
98 def get_case(self, name, flection):
100 flection = Flection()
102 self = split_tags(tags)
106 # Specjalny przypadek oglądania wszystkich lektur na danej półce
107 if len(self) == 1 and 'set' in self:
108 return u'Półka %s' % self['set']
110 # Specjalny przypadek "Twórczość w pozytywizmie", wtedy gdy tylko epoka
111 # jest wybrana przez użytkownika
112 if 'epoch' in self and len(self) == 1:
113 text = u'Twórczość w %s' % flection.get_case(unicode(self['epoch']), u'miejscownik')
114 return capfirst(text)
116 # Specjalny przypadek "Dramat w twórczości Sofoklesa", wtedy gdy podane
117 # są tylko rodzaj literacki i autor
118 if 'kind' in self and 'author' in self and len(self) == 2:
119 text = u'%s w twórczości %s' % (unicode(self['kind']),
120 flection.get_case(unicode(self['author']), u'dopełniacz'))
121 return capfirst(text)
123 # Przypadki ogólniejsze
125 title += u'Motyw %s' % unicode(self['theme'])
129 title += u' w %s' % flection.get_case(unicode(self['genre']), u'miejscownik')
131 title += unicode(self['genre'])
133 if 'kind' in self or 'author' in self or 'epoch' in self:
134 if 'genre' in self or 'theme' in self:
136 title += u' w %s ' % flection.get_case(unicode(self['kind']), u'miejscownik')
138 title += u' w twórczości '
140 title += u'%s ' % unicode(self.get('kind', u'twórczość'))
143 title += flection.get_case(unicode(self['author']), u'dopełniacz')
144 elif 'epoch' in self:
145 title += flection.get_case(unicode(self['epoch']), u'dopełniacz')
147 return capfirst(title)
151 def book_tree(book_list, books_by_parent):
152 text = "".join("<li><a href='%s'>%s</a>%s</li>" % (
153 book.get_absolute_url(), book.title, book_tree(books_by_parent.get(book, ()), books_by_parent)
154 ) for book in book_list)
157 return "<ol>%s</ol>" % text
163 def user_creation_form():
164 return RegistrationForm(prefix='registration').as_ul()
168 def authentication_form():
169 return LoginForm(prefix='login').as_ul()
172 @register.inclusion_tag('catalogue/breadcrumbs.html')
173 def breadcrumbs(tags, search_form=True):
174 from catalogue.forms import SearchForm
175 context = {'tag_list': tags}
177 max_tag_list = settings.MAX_TAG_LIST
178 except AttributeError:
180 if search_form and (max_tag_list == -1 or len(tags) < max_tag_list):
181 context['search_form'] = SearchForm(tags=tags)
186 def catalogue_url(parser, token):
187 bits = token.split_contents()
194 tags_to_remove.append(bit[1:])
196 tags_to_add.append(bit)
198 return CatalogueURLNode(tags_to_add, tags_to_remove)
201 class CatalogueURLNode(Node):
202 def __init__(self, tags_to_add, tags_to_remove):
203 self.tags_to_add = [Variable(tag) for tag in tags_to_add]
204 self.tags_to_remove = [Variable(tag) for tag in tags_to_remove]
206 def render(self, context):
210 for tag_variable in self.tags_to_add:
211 tag = tag_variable.resolve(context)
212 if isinstance(tag, (list, dict)):
213 tags_to_add += [t for t in tag]
215 tags_to_add.append(tag)
217 for tag_variable in self.tags_to_remove:
218 tag = tag_variable.resolve(context)
220 tags_to_remove += [t for t in tag]
222 tags_to_remove.append(tag)
224 tag_slugs = [tag.url_chunk for tag in tags_to_add]
225 for tag in tags_to_remove:
227 tag_slugs.remove(tag.url_chunk)
231 if len(tag_slugs) > 0:
232 return reverse('tagged_object_list', kwargs={'tags': '/'.join(tag_slugs)})
234 return reverse('main_page')
237 @register.inclusion_tag('catalogue/latest_blog_posts.html')
238 def latest_blog_posts(feed_url, posts_to_show=5):
240 feed = feedparser.parse(str(feed_url))
242 for i in range(posts_to_show):
243 pub_date = feed['entries'][i].updated_parsed
244 published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
246 'title': feed['entries'][i].title,
247 'summary': feed['entries'][i].summary,
248 'link': feed['entries'][i].link,
251 return {'posts': posts}
256 @register.inclusion_tag('catalogue/tag_list.html')
257 def tag_list(tags, choices=None):
265 @register.inclusion_tag('catalogue/folded_tag_list.html')
266 def folded_tag_list(tags, choices=None):
267 tags = [tag for tag in tags if tag.count]
270 some_tags_hidden = False
271 tag_count = len(tags)
276 shown_tags = [tag for tag in tags if tag.main_page]
277 if tag_count > len(shown_tags):
278 some_tags_hidden = True