class DropboxRepository(Repository):
    def __init__(self):
        self.database = DropboxDatabase()

    def fetch_names_of_comparable_files(self):
        return self.database.fetch_names_of_comparable_files()

    def add_file_to_compare_to_data(self, filename):
        return self.database.add_file_to_compare_to_data(filename)

    def remove_file_to_compare_to_data(self, filename):
        self.database.remove_file_to_compare_to_data(filename)