command.js

// Description:
//   コマンドー
// Commands:
//   command add <key> <value> - コマンドを追加
//   command rm <key> - コマンドを削除
//   command list - コマンド一覧

'use strict';

const NAME = 'command';

module.exports = robot => {
  robot.brain.autoSave = true;

  robot.hear(/.+/, msg => {
    if (msg.message.user.name === 'cpsbot') {
      return;
    }

    const obj = robot.brain.get(NAME) || {};
    const { text } = msg.message;
    if (obj[text]) {
      msg.send(obj[text]);
    }
  });

  robot.hear(/^(command|コマンド) add (.+?) (.+)/, msg => {
    const obj = robot.brain.get(NAME) || {};
    const command = msg.match[2];
    const message = msg.match[3];
    obj[command] = message;
    robot.brain.set('command', obj);
  });

  robot.hear(/^(command|コマンド) rm (.+?)/, msg => {
    const obj = robot.brain.get(NAME) || {};
    const command = msg.match[2];
    if (obj[command]) {
      delete obj[command];
    }

    robot.brain.set('command', obj);
  });

  robot.hear(/^(command|コマンド) list$/i, msg => {
    const obj = robot.brain.get(NAME) || {};
    const str = Object.keys(obj)
      .map(key => `${key} ${obj[key]}`)
      .join('\n');
    msg.send(str);
  });
};