wtf.js

var primaryContacts = _.filter(docs, function(parent) {return parent.account_relationship ? true : false});
var primaryContactsCount = primaryContacts.length;
var primaryContactsDownloadsCount = _.filter(primaryContacts, function(parent) {return parent.download_app_at ? true : false}).length;
var guardiansCount = 0;
var guardiansDownloadsCount = 0;


async.each(docs, function(parent, callback) {
  Guardian.find({_id: parent._id}, function(err, guardian){
    if(!err && guardian){
      guardiansCount++;
      if(parent.download_app_at) {
        guardiansDownloadsCount++;
      }
    }
    callback()
  });
}, function(){
  guardians_count_by_service[service_id] = guardiansCount;
  guardians_downloads_count_by_service[service_id] = guardiansDownloadsCount;

});