last_gist.coffee

# Gets the last gist for specified user
#
# last gist [for] <username> - Returns the last gist for specified user
module.exports = (robot) ->
  robot.respond /last gist (?:for)? (.+)/i, (msg) ->
    username = msg.match[1]
    url      = "https://api.github.com/users/#{username}/gists"
    msg.http(url).get() (err, res, body) ->
      gists = JSON.parse(body)
      indexed = {}
      dates = []
      indexed[+new Date(gist.created_at)] = gist for gist in gists when gist.public == true
      dates.push(+new Date(gist.created_at)) for gist in gists
      gist = indexed[Math.max.apply(global, dates)]
      msg.send "Last public gist by #{username}:"
      msg.send gist.html_url