Generic Buy Signal

generic_buy_signal.js

function(contact, activities, config){
  var sortByActivityDateDescending = function(activity1, activity2){
    if (activity1.activityDate > activity2.activityDate) return -1;
    if (activity1.activityDate < activity2.activityDate) return 1;
    return 0;
  };

  if(config.timeframe)
    var earliestDateToProcess = new Date().setDate(newDate().getDate() - config.timeframe);
  var sortedActivities = activities.sort(sortByActivityDateDescending);
  var valueToReturn = 1;
  var threshold = config.count ? config.count : 1;

  var count = 0;
  var mostRecentActivityDate;
  for(var i = 0; i < sortedActivities.length && (!earliestDateToProcess || sortedActivities[i].date > earliestDateToProcess); i++){
    var activity = sortedActivities[i];
    if(activity.type === config.activityType){
      count++;
      if(!mostRecentActivityDate)
        mostRecentActivityDate = activity.date;
    }
    if(count >= threshold)
      return {
        score: valueToReturn,
        date: mostRecentActivityDate
      };
  }
  return {score: 0, date: null};
}