get all documents from a folder

#getDocuments
contentFilter = {'portal_type':['Document'],'review_state':['published']}
if context.is_folderish() and context.meta_type != 'FormFolder':
  contentsMethod = context.getFolderContents
else:
  contentsMethod = context.aq_parent.getFolderContents
folderContents = contentsMethod(contentFilter,batch=True)
return folderContents