Контроль темпа расхода бюджета в Google Ads

/**
 * Goodlabs Google Ads script: budget pacing alerts
 * Schedule: Daily at 08:00
 */
var CONFIG = {
  MONTHLY_BUDGET: 5000,
  ALERT_EMAIL: "media@yourdomain.com",
  MAX_OVERPACE_PERCENT: 15
};

function main() {
  var now = new Date();
  var totalDays = new Date(now.getFullYear(), now.getMonth() + 1, 0).getDate();
  var currentDay = now.getDate();
  var daysRemaining = totalDays - currentDay;

  var campaignIterator = AdsApp.campaigns()
    .withCondition("Status = ENABLED")
    .get();

  var mtdSpend = 0;
  while (campaignIterator.hasNext()) {
    var c = campaignIterator.next();
    var stats = c.getStatsFor("THIS_MONTH");
    mtdSpend += stats.getCost();
  }

  var dailyAverage = currentDay > 0 ? (mtdSpend / currentDay) : 0;
  var projectedTotal = mtdSpend + (dailyAverage * daysRemaining);
  var diffPercent = ((projectedTotal - CONFIG.MONTHLY_BUDGET) / CONFIG.MONTHLY_BUDGET) * 100;

  Logger.log("MTD Spend: $" + mtdSpend.toFixed(2) + " | Projected: $" + projectedTotal.toFixed(2) + " (" + diffPercent.toFixed(1) + "%)");

  if (Math.abs(diffPercent) > CONFIG.MAX_OVERPACE_PERCENT && CONFIG.ALERT_EMAIL) {
    MailApp.sendEmail(
      CONFIG.ALERT_EMAIL,
      "🚨 Google Ads Pacing Alert: " + (diffPercent > 0 ? "Overpacing" : "Underpacing") + " by " + diffPercent.toFixed(1) + "%",
      "Current MTD Spend: $" + mtdSpend.toFixed(2) + "\n" +
      "Projected Month-End Spend: $" + projectedTotal.toFixed(2) + "\n" +
      "Target Monthly Budget: $" + CONFIG.MONTHLY_BUDGET + "\n\n" +
      "Recommended adjusted daily budget: $" + ((CONFIG.MONTHLY_BUDGET - mtdSpend) / Math.max(daysRemaining, 1)).toFixed(2)
    );
  }
}