keyword_cleanup_checkForRedemption.js

/***********
 * This function verifies that the keywords already in limbo
 * but are no longer a dud have the labels removed as needed.
 **********/
function checkForRedemption(duds,changes_to_make) {
  // An array works well for selectors, but 
  // it will be much easier to do lookups here if 
  // we transform the duds array into a map.
  var dudsMap = {};
  for(var i in duds) {
    dudsMap[[duds[i][0],duds[i][1]].join('-')] = true;
  }
  var labelIter = AdWordsApp.labels().withCondition("Name STARTS_WITH 'Deleting in '").get();
  while(labelIter.hasNext()) {
    var label = labelIter.next();
    var kwIter = label.keywords().get();
    while(kwIter.hasNext()) {
      var kw = kwIter.next();
      var key = [kw.getAdGroup().getId(),kw.getId()].join('-');
      if(!dudsMap[key]) {
        // The keyword is no longer a dud. Let's remove the label.
        // We have to find the label linked to this keyword though since
        // we don't want to delete the label from the entire account.
        var newLabelIter = kw.labels().withCondition("Name STARTS_WITH 'Deleting in '").get();
        while(newLabelIter.hasNext()) {
          changes_to_make.labels_to_delete.push(newLabelIter.next());
        }
      }
    }
  }
}