def todo_register():
logger.debug({'action': 'todo_register', 'request': request.json})
todo = ToDo()
todo.create_table()
request_json = request.get_json(force=True)
title = request_json['title']
rank = int(request_json['rank'])
deadline = request_json['deadline']
if title is None:
return jsonify({'message': 'invalid title'}), 400
todo.insert_data(title=title, rank=rank, deadline=deadline)
return jsonify({'message': 'success'}), 200
