neuronbot icecondor whereis

whereis.js

function(msg){
  var match = /^where is (\w+)\??$/.exec(msg.message)
  if(msg.type == 'emessage' && match) {
    var username = match[1]
    if (username != "this") {
      if (username == "zrobo") {
        return "I live in the Internet."
      } else {
        return do_whereis(match[1])
      }
    }
  }

  // send JSON as a privmsg to zrobo to query a location
  if(msg.type == 'emessage' && msg.target == 'zrobo'){
    var irc_json = /^({[^{].*})$/.exec(msg.message)
    if(irc_json) {
      var ircj = JSON.parse(msg.message)
      if(ircj.type == 'query'){
        bot.say(msg.nick, db.get('icecondor:'+ircj.username))
      }
    }
  }

  function do_whereis(username){
    var data = db.get('icecondor:'+username)
    if(data){
      var icecondor = JSON.parse(data)
      var smsg = username+" "

      var date = new Date(icecondor.date)
      var min_old = ((new Date()) - date) / 1000 / 60
      smsg += "("+min_old.toFixed(1)+" min ago) "

      // distance
      var point = { type: 'Point', coordinates:[icecondor.longitude, icecondor.latitude ]}
      var home_json = db.get('geojson:'+username+':home')
      if(home_json){
        var home = JSON.parse(home_json)
        var distance = gju.pointDistance(point, home )
        if (distance < 50) {
          smsg += "is at home."
        } else {
          smsg += ""+distance.toFixed(1)+"m from home. "
        }
      }
      // intersection words
      var intersection = db.get('icecondor:'+username+':intersection')
      smsg += "is at "+intersection+" "
  
  
      // 4sq venue
      var venue_json = db.get('icecondor:'+username+':venue')
      if(venue_json) {
        var venue = JSON.parse(venue_json)
        var venue_date_key = 'icecondor:'+username+':vdate'
        var old_date = new Date(db.get(venue_date_key))
        var duration_mins = ((new Date()) - old_date)/1000/60
        smsg += "near "+venue.name+" for "+duration_words(duration_mins)
      }

      return smsg 
    } else {
      return "I'm not tracking "+username+"."
    }
  }

  function duration_words(mins){
    var words = ""
    var hours = parseInt(mins/60)
    if(hours > 0) { words += hours+"hr" }
    var mins = parseInt(mins % 60)
    words += mins+"min"    
    return words
  }
 
}