def create_article(cls, parent, slug, site=None, title="Root", **kwargs):
if not site:
site = Site.objects.get_current()
newpath = cls.objects.create(site=site, parent=parent, slug=slug)
article = Article(title=title)
article.add_revision(ArticleRevision(title=title, **kwargs), save=True)
article.add_object_relation(newpath)
return newpath
def create_root(cls, site=None, title="Root", **kwargs):
if not site:
site = Site.objects.get_current()
root_nodes = cls.objects.root_nodes().filter(site=site)
if not root_nodes:
# (get_or_create does not work for MPTT models??)
root = cls.objects.create(site=site)
article = Article(title=title)
article.add_revision(ArticleRevision(title=title, **kwargs), save=True)
article.add_object_relation(root)
else:
root = root_nodes[0]
return root
def on_article_delete(instance, *args, **kwargs):
# If an article is deleted, then throw out its URLPaths
# But move all descendants to a lost-and-found node.
site = Site.objects.get_current()
try:
lost_and_found = URLPath.objects.get(slug=settings.LOST_AND_FOUND_SLUG, parent=URLPath.root(), site=site)
except URLPath.DoesNotExist:
lost_and_found = URLPath.objects.create(slug=settings.LOST_AND_FOUND_SLUG, parent=URLPath.root(), site=site)
article = Article(
title=_(u"Lost and found"), group_read=True, group_write=False, other_read=False, other_write=False
)
article.add_revision(
ArticleRevision(content=_(u"Articles who lost their parents" "==============================="))
)
for urlpath in URLPath.objects.filter(articles__article=article, site=site):
for child in urlpath.get_children():
child.move_to(lost_and_found)
