def title(self):
"""Title is inherited from parent if parent allow subarticles."""
title = self.context.Title()
parent = aq_parent(aq_inner(self.context))
if IArticle.providedBy(parent):
title = '{} {}'.format(parent.Title(), title)
parent = aq_parent(parent)
if IArticle.providedBy(parent):
return '{} {}'.format(parent.Title(), title)
return title
def image_url(self, size=None):
"""Return image url of the article.
If the image does not exists then returns from parent or fallback image.
:param size: Size of image such as preview and mini.
:type size: string
:rtype: string
"""
url = '{}/@@images/image'
if size:
url = '{}/{}'.format(url, size)
if self.context.image:
return url.format(self.context.absolute_url())
parent = aq_parent(aq_inner(self.context))
if IArticle.providedBy(parent):
if parent.image:
return url.format(parent.absolute_url())
portal_url = getToolByName(self.context, 'portal_url')()
return '{}/fallback.png'.format(portal_url)
def is_article(self):
return IArticle.providedBy(self.context)
