Hubot script: Utility commands for voting someone.

vote.coffee

# Description:
#   Utility commands for voting someone.
#
# Commands:
#   <name>++, <name>--, !vote-list, !vote-clear

module.exports = (robot) ->
  KEY_SCORE = 'key_score'

  getScores = () ->
    return robot.brain.get(KEY_SCORE) or {}

  changeScore = (name, diff) ->
    source = getScores()
    score = source[name] or 0
    new_score = score + diff
    source[name] = new_score

    robot.brain.set KEY_SCORE, source
    return new_score

  robot.hear /!vote-list/i, (msg) ->
    source = getScores()
    console.log source
    msg.send """
    ### vote result :bar_chart:
    """
    for name, score of source
      msg.send """
      #{name}:\t#{score}
      """

  robot.hear /!vote-clear/i, (msg) ->
    robot.brain.set KEY_SCORE, null

  robot.hear /(.+)\+\+$/i, (msg) ->
    name = msg.match[1]
    new_score = changeScore(name, 1)
    msg.send "Accepted -> #{name}: #{new_score} :chart_with_upwards_trend:"

  robot.hear /(.+)--$/i, (msg) ->
    name = msg.match[1]
    new_score = changeScore(name, -1)
    msg.send "Accepted -> #{name}: #{new_score} :chart_with_downwards_trend:"