def subscribe(postId): return PostController.subscribe(postId)
def unsubscribe(postId): return PostController.unsubscribe(postId)
def createComment(postId): return PostController.addComment(postId)
def list(): return PostController.listPosts()
def show_post(postId): return PostController.showPost(postId)
def create_update_post(postId=None): return PostController.post(postId)
def show_post_editor(postId=None): return PostController.showPostEditor(postId)