def delete_action(wf, context): # pylint: disable=invalid-name,unused-argument
"""Delete draft version, and parent if single version"""
versions = IWorkflowVersions(context)
versions.remove_version(IWorkflowState(context).version_id)
if not versions.get_last_versions():
document = get_parent(versions, IDocument)
folder = get_parent(document, IDocumentFolder)
del folder[document.__name__]
def get_last_version(content):
"""Helper function used to get last content version"""
versions = IWorkflowVersions(content, None)
if versions is None:
return None
result = versions.get_last_versions()
if result:
return result[0]
return None