Markov plugin for Hubot

hubot-markov.coffee

base_url = 'http://nymkit.com/generators/chatterbots/gort/'

module.exports = (robot) ->
  robot.catchAll (msg) ->
    if msg.message.text.match(/\bgort\b/i) or msg.message.text.match(/\n/)
        # When addressed, I'll pull something out of my... sock
        # drawer. Or, if it's a multi-line message, I'll add my
        # two cents.
        json_params =
          name: 'gort'
          message: msg.message.text

        # POST signifies a response is desired.
        msg.http(base_url)
          .header('Content-Type', 'application/json')
          .post(JSON.stringify json_params) (err, res, body) ->
            # http errors
            if err
              msg.reply("I'm sorry, what?")
              return

            # response json parse errors
            try
              decodedResponse = JSON.parse body
            catch decodeError
              msg.reply("I'm sorry, what?")
              return

            # Reply with witty repartee
            msg.reply decodedResponse.message
        if msg.message.text.match(/^([^\n]+)$/) and msg.user.name != 'Sentry'
            # Listen to, and learn from, from the chatroom chatter.
            # Every comment in the room is sent to the chatterbot's learner,
            # except multi-line comments and Sentry notifications.
            json_params =
              name: 'gort'
              message: msg.match[1]

            # PUT signifies learning mode.
            msg.http(base_url)
              .header('Content-Type', 'application/json')
              .put(JSON.stringify json_params)