'Return (folders, files) for the given folder in the root dir.'

@classmethod
def get_folder_content(cls, name):

    folders = set()
    files = set()
    for path in cls.LAYOUT:
        if (not path.startswith((name + '/'))):
            continue
        parts = path.split('/')
        if (len(parts) == 2):
            files.add(parts[1])
        else:
            folders.add(parts[1])
    folders = list(folders)
    folders.sort()
    files = list(files)
    files.sort()
    return (folders, files)
