from django.contrib.auth.models import User
from django.core.files import File
from django.template.loader import render_to_string
+from django.utils.datastructures import SortedDict
from django.utils.safestring import mark_safe
from django.utils.translation import get_language
from django.core.urlresolvers import reverse
tags = managers.TagDescriptor(Tag)
html_built = django.dispatch.Signal()
+ published = django.dispatch.Signal()
class AlreadyExists(Exception):
pass
for b in books]
result = create_zip.delay(paths,
getattr(settings, "ALL_%s_ZIP" % format_.upper()))
+ return result.wait()
def zip_audiobooks(self):
bm = BookMedia.objects.filter(book=self, type='mp3')
book.reset_tag_counter()
book.reset_theme_counter()
+ cls.published.send(sender=book)
return book
def reset_tag_counter(self):
return objects
+ @classmethod
+ def book_list(cls, filter=None):
+ """Generates a hierarchical listing of all books.
+
+ Books are optionally filtered with a test function.
+
+ """
+
+ books_by_parent = {}
+ books = cls.objects.all().order_by('parent_number', 'sort_key').only('title', 'parent', 'slug')
+ if filter:
+ books = books.filter(filter).distinct()
+ book_ids = set((book.pk for book in books))
+ for book in books:
+ parent = book.parent_id
+ if parent not in book_ids:
+ parent = None
+ books_by_parent.setdefault(parent, []).append(book)
+ else:
+ for book in books:
+ books_by_parent.setdefault(book.parent_id, []).append(book)
+
+ orphans = []
+ books_by_author = SortedDict()
+ for tag in Tag.objects.filter(category='author'):
+ books_by_author[tag] = []
+
+ for book in books_by_parent.get(None,()):
+ authors = list(book.tags.filter(category='author'))
+ if authors:
+ for author in authors:
+ books_by_author[author].append(book)
+ else:
+ orphans.append(book)
+
+ return books_by_author, orphans, books_by_parent
+
def _has_factory(ftype):
has = lambda self: bool(getattr(self, "%s_file" % ftype))