load system volume

gistfile1.txt

function loadSystemVolume(typeid,systemID,sellbuy,cachebuster){
  if (typeof systemID == 'undefined'){
    systemID=30000142;
  }
  if (typeof typeid == 'undefined'){
    throw 'need typeids';
  }
  if (typeof cachebuster == 'undefined'){
    cachebuster=1;
  }
  if (typeof sellbuy == 'undefined' || sellbuy==1){
    sellbuy='sell_orders';
  } else {
    sellbuy='buy_orders';
  }
  
  var volume=0;
  var url="http://api.eve-central.com/api/quicklook?cachebuster="+cachebuster+"&usesystem="+systemID+"&typeid=";

  var parameters = {method : "get", payload : ""};
  
  var xmlFeed = UrlFetchApp.fetch(url+typeid, parameters).getContentText();
  var xml = XmlService.parse(xmlFeed);
  if(xml) {
      var rows=xml.getRootElement().getChild("quicklook").getChild(sellbuy).getChildren("order");
      for(var i = 0; i < rows.length; i++) {
        volume+=parseInt(rows[i].getChild('vol_remain').getValue());
      }
  }
   return volume;
}