電車遅延ゲット

hubot-train-delay.coffee

# Description:
#   Search and show your train time in Japan
#
# Dependencies:
#   "cheerio-httpcli", ""
#
# Configuration:
#   None
#
# Commands:
#   hubot delay <name>
#   hubot 電車遅延 <name>
#
# Author:
#   3100

client = require "cheerio-httpcli"

module.exports = (robot) ->

  fondLine = () ->
    """
知らない路線です。
http://transit.loco.yahoo.co.jp/traininfo/area/4/
から探してください。
"""
  manyLine = (lines) ->
    """
絞り込めませんね。下のどれかでしょうか？
#{lines.map((line) -> "  * #{line.text}").join('\n')}
"""
  getInfo = (msg) ->
    client.fetch("http://transit.loco.yahoo.co.jp/traininfo/area/4/", {} ,(err, $, res) ->
      lines = $("#mdAreaMajorLine .elmTblLstLine > table tr a")
      .toArray()
      .map((a) -> { text: $(a).text(), href: a.attribs.href })
      .filter((a) ->  a.text.search(msg.match[2]) != -1)
      return msg.send fondLine() if lines.length == 0
      return msg.send manyLine(lines) if lines.length > 1
      client.fetch(lines[0].href, {}, (err, $, res) ->
        msg.send "#{msg.match[2]}: #{$('#mdServiceStatus').text()}"
      )
    )


  robot.respond /(delay|電車遅延) ([^ ]+)/i, (msg) ->
    getInfo(msg)