ffapi.js

function getIncomingCallStats(from, to, number, userKey) {
  var thisCall, open;
  var callTime = new Date();
  var fromstr = from.toISOString();
  var tostr = to.toISOString();
  var stats = new Object(); 
  var missed = 0, answered = 0, voicemail = 0, answeredDuration = 0, closed = 0;   

  var options = {
        "method" : "get",
        "headers" : {"Accept" : "application/json", "Firmafon-User-Key": userKey}
  };
  var callLogParams = {
      "number" : "45" + number,
      "direction" : "incoming",
      "from" : fromstr,
      "to" : tostr,
      "limit" : 999999
  }
 
  var URL = BuildURL(BASEURI+"/call_logs", callLogParams);
  var response = Utilities.jsonParse(UrlFetchApp.fetch(URL, options).getContentText());
  
  for (var i = 0; i < response.call_logs.length; i++) {
    thisCall = response.call_logs[i];  
    if (thisCall.direction != "incoming") continue;
    callTime = getDateFromISOString(thisCall.started_at);
    open = isOpen(callTime, OPENTIME, CLOSETIME)
    if (!open) {
      closed++;
      continue;
    }
    if (thisCall.status == "answered") {
      answered++;
      answeredDuration += thisCall.duration;
    }
    if (thisCall.status == "missed") missed++;
    if (thisCall.status == "voicemail") voicemail++;
  }
  
  stats.missed = missed; stats.answered = answered; stats.voicemail = voicemail; stats.answeredDurationMins = answeredDuration/60; stats.closed = closed, stats.open = answered+missed+voicemail;
  stats.avgDurationMins = (answeredDuration/60)/answered; stats.answerRate = answered/stats.open;
  if (answered == 0) stats.avgDurationMins = 0;
  if (stats.open == 0) stats.answerRate = 0;
  
  return(stats);
}