adwords keyword bidding skeleton

adwords_bid.js

function main() {
  
// Set-up dates for lookback period control
// 
  Number.prototype.padZero= function(len){
    var s= String(this), c= '0';
    len= len || 2;
    while(s.length < len) s= c + s;
    return s;
  }

  Date.prototype.yyyymmdd = function() {
    var yyyy = this.getFullYear().toString();
    var mm = (this.getMonth()+1).padZero().toString();
    var dd  = this.getDate().padZero().toString();
    return "".concat(yyyy).concat(mm).concat(dd); // padding
  };

  function makeDate(daysAgo) {
    var today = new Date();
    var priorDate = new Date().setDate(today.getDate()-daysAgo)
    return new Date(priorDate).yyyymmdd();
  }

  // Set-up Lookback Period - change this stuff depending
  var daysago7 = makeDate(7);
  var daysago14 = makeDate(14);

  
   var keywordSelector = AdWordsApp
     .keywords()
     .withCondition("Clicks > 100")
     .forDateRange(daysago14,daysago7)
     .orderBy("Clicks DESC");

   var keywordIterator = keywordSelector.get();
 
  while (keywordIterator.hasNext()) {
   var keyword = keywordIterator.next();
   var stats = keyword.getStatsFor(daysago14,daysago7)
   var conv = stats.getConvertedClicks()
   var cost = stats.getCost();
   var cpa = cost / conv;
    if(cpa > 20) {
       Logger.log("Too much"); // execute action or tier it out here
      // use getCpc and setCpc iteratively based on tiers or conditions
    }
  }

  
}