-# -*- coding: utf-8 -*-
-from django import template
-from django.template import Node, Variable
-from django.utils.encoding import smart_str
-from django.core.urlresolvers import reverse
-from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
-
-
-register = template.Library()
-
-
-class RegistrationForm(UserCreationForm):
- def as_ul(self):
- "Returns this form rendered as HTML <li>s -- excluding the <ul></ul>."
- 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)
-
-
-class LoginForm(AuthenticationForm):
- def as_ul(self):
- "Returns this form rendered as HTML <li>s -- excluding the <ul></ul>."
- 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)
-
-
-def iterable(obj):
- try:
- iter(obj)
- return True
- except TypeError:
- return False
-
-
-def capfirst(text):
- try:
- return '%s%s' % (text[0].upper(), text[1:])
- except IndexError:
- return ''
-
-
-@register.simple_tag
-def title_from_tags(tags):
- def split_tags(tags):
- result = {}
- for tag in tags:
- result[tag.category] = tag
- return result
-
- class Flection(object):
- def get_case(self, name, flection):
- return name
- flection = Flection()
-
- self = split_tags(tags)
-
- title = u''
-
- # Specjalny przypadek oglądania wszystkich lektur w danym zestawie
- if len(self) == 1 and 'set' in self:
- return u'Zestaw %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']),
- 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 %s ' % flection.get_case(unicode(self['kind']), u'miejscownik')
- else:
- 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 user_creation_form():
- return RegistrationForm(prefix='registration').as_ul()
-
-
-@register.simple_tag
-def authentication_form():
- return LoginForm(prefix='login').as_ul()
-
-
-@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:]:
- if bit[0] == '-':
- tags_to_remove.append(bit[1:])
- else:
- tags_to_add.append(bit)
-
- return CatalogueURLNode(tags_to_add, tags_to_remove)
-
-
-class CatalogueURLNode(Node):
- 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 = []
-
- for tag_variable in self.tags_to_add:
- tag = tag_variable.resolve(context)
- if isinstance(tag, (list, dict)):
- tags_to_add += [t for t in tag]
- else:
- tags_to_add.append(tag)
-
- for tag_variable in self.tags_to_remove:
- tag = tag_variable.resolve(context)
- if iterable(tag):
- tags_to_remove += [t for t in tag]
- else:
- tags_to_remove.append(tag)
-
- tag_slugs = [tag.slug for tag in tags_to_add]
- for tag in tags_to_remove:
- try:
- tag_slugs.remove(tag.slug)
- except KeyError:
- pass
-
- if len(tag_slugs) > 0:
- return reverse('tagged_book_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}
-