gluon launch spacex

launch.js

(function() {
  return {name:"launch"}
})

var alert_channel = "#pdxtech"

function go(msg) {
  var privmsg = false
  var clocktower = false
  if (msg.method == "clocktower" && (new Date(Date.parse(msg.params.time))).getMinutes() == 30) {
    var launches = launch_reports();
    var close = launches.filter(function(launch) { return launch.win_open_ago < 30 })
    if (close.len > 0) {
      close.forEach(function(launch) {
        bot.say(alert_channel, launch_to_words(launch))
      })
    }
  }
  
  if (msg.method == "irc.privmsg") {
    var match = /^!?launch(\s+(\w+))?$/.exec(msg.params.message)
    if(match) {
      var launches = launch_reports();
      if (match[2]) {
        var provider = match[2].toLowerCase()
        launches = launches.filter(function(launch) { return launch.provider.slug == provider })
      }
      var words = launches.map(launch_to_words).join(', ')
      bot.say(msg.params.channel, words)
    }
  }
}

function launch_to_words(launch){
  words = [launch.provider.name, launch.name, launch.win_open]
  //+ " " + launch.pad.location.name + " " + launch.vehicle.name
  if (launch.win_open_ago) {
   words.push("[window open in " + minutes_to_words(launch.win_open_ago) + "]")
  } else {
    words.push("[no window date]")
  }
  return words.join(' ')
}

function launch_reports() {
  var url =  "https://fdo.rocketlaunch.live/json/launches/next/5"
  var json = http.get(url)
  var data = JSON.parse(json)
  return data.result.map(function(launch){
    var win_open_date = Date.parse(launch.win_open)
    if (win_open_date) {
      launch.win_open_ago = age_minutes(win_open_date, new Date())
    }
    return launch
  })
}

function age_minutes(a,b) {
  return ((new Date(a)).getTime() - (new Date(b)).getTime())/1000/60
}

function minutes_to_words(mins) {
  if (mins < 1) {
    return (mins*60).toFixed(0)+" secs"
  } else if (mins < 60) {
    return mins.toFixed(1)+" mins"
  } else if (mins < 60*48) {
    return (mins/60).toFixed(1)+" hours"
  } else {
    return (mins/60/24).toFixed(1)+" days"
  }
}