extension Todo {

    // TodoEntity -> Todo
    init(entity: TodoEntity) throws {

        guard
            let title = entity.title
        else { throw EntityError.missingValueForKey("title") }

        guard
            let createdAtDate = entity.createdAtDate
        else { throw EntityError.missingValueForKey("createdAtDate") }

        self.init(
            title: title,
            createdAtDate: createdAtDate
        )

    }

}