#
import datetime
import feedparser
+from random import randint
from django.conf import settings
from django import template
from catalogue.utils import split_tags
from catalogue.models import Book, BookMedia, Fragment, Tag
+from catalogue.constants import LICENSES
register = template.Library()
ignore_by_tag=book.book_tag())[:limit-random]
cache.set(cache_key, related, 1800)
if random:
- related += list(Book.objects.exclude(
- pk__in=[b.pk for b in related] + [book.pk]
- ).order_by('?')[:random])
+ random_books = Book.objects.exclude(
+ pk__in=[b.pk for b in related] + [book.pk])
+ if random == 1:
+ count = random_books.count()
+ if count:
+ related.append(random_books[randint(0, count - 1)])
+ else:
+ related += list(random_books.order_by('?')[:random])
return {
'books': related,
}
@register.simple_tag
def tag_url(category, slug):
- return reverse('catalogue.views.tagged_object_list', args=[
- '/'.join((Tag.categories_dict[category], slug))
- ])
+ return Tag.create_url(category, slug)
@register.simple_tag
'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'],
+ }