Support multiple enhanced ecommerce actions

script.html

<script>
  // If this tag fires more than once (e.g. page view followed by ecommerce action),
  // we don't want to repeat the trackPageView here
  if (!window.SNOWPLOW_NAME_HERE) {
    ;(function(p,l,o,w,i,n,g){if(!p[i]){p.GlobalSnowplowNamespace=p.GlobalSnowplowNamespace||[];
    p.GlobalSnowplowNamespace.push(i);p[i]=function(){(p[i].q=p[i].q||[]).push(arguments)
    };p[i].q=p[i].q||[];n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
    n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","//d1fc8wv8zag5ca.cloudfront.net/2.6.1/sp.js","SNOWPLOW_NAME_HERE"));


    // !!! Customizable section starts
    // Track page views, enable link clicks, and so on here
      
    SNOWPLOW_NAME_HERE('newTracker', 'snplow1', 'MY_COLLECTOR', {
      'appId': 'snowplowweb',
      'cookieName': 'MY_COOKIE_NAME'
    });

    SNOWPLOW_NAME_HERE('enableActivityTracking', 10, 10);
    SNOWPLOW_NAME_HERE('trackPageView');

    // !!! Customizable section ends
    
  }
  
  var ecommerce = {{ecommerce}};

  var actions = [
    "click",
    "detail",
    "add",
    "remove",
    "checkout",
    "checkout_option",
    "purchase",
    "refund",
    "promo_click",
    "view"
  ];

  if (ecommerce) {
    sendEnhancedEcommerceEvent(ecommerce);
  }
  
  function sendEnhancedEcommerceEvent(ecommerce) {
    var currencyCode = ecommerce.currencyCode;
    var relevantActions = [];

    for (var i = 0; i < actions.length; i++) {
      if (ecommerce[actions[i]]) {
        relevantActions.push(actions[i]);
      }
    }

    if (ecommerce.impressions) {
      for (var j = 0; j < ecommerce.impressions.length; j++) {
        var impression = ecommerce.impressions[j];
        SNOWPLOW_NAME_HERE('addEnhancedEcommerceImpressionContext', 
          impression.id,
          impression.name,
          impression.list,
          impression.brand,
          impression.category,
          impression.variant,
          impression.position,
          impression.price,
          currencyCode
        );
      }
    }

    if (ecommerce.promoView) {
      for (var l = 0; l < ecommerce.promoView.promotions.length; l++) {
        var promo = ecommerce.promoView.promotions[l];
        SNOWPLOW_NAME_HERE('addEnhancedEcommercePromoContext',
          promo.id,
          promo.name,
          promo.creative,
          promo.position,
          currencyCode
        );
      }
    }

    if (relevantActions.length === 0) {
      SNOWPLOW_NAME_HERE('trackEnhancedEcommerceAction', 'view');
    } else {
      for (var m = 0; m < relevantActions.length; m++) {
        var relevantAction = relevantActions[m];
        if (ecommerce[relevantAction].products) {
          for (var k = 0; k < ecommerce[action].products.length; k++) {
            var product = ecommerce[relevantAction].products[k];
            SNOWPLOW_NAME_HERE('addEnhancedEcommerceProductContext',
              product.id,
              product.name,
              product.list,
              product.brand,
              product.category,
              product.variant,
              product.price,
              product.quantity,
              product.coupon,
              product.position,
              currencyCode
            );
          }
        }

        if (ecommerce[relevantAction].actionField) {
          var actionObject = ecommerce[relevantAction].actionField;
          SNOWPLOW_NAME_HERE('addEnhancedEcommerceActionContext',
            actionObject.id,
            actionObject.affiliation,
            actionObject.revenue,
            actionObject.tax,
            actionObject.shipping,
            actionObject.coupon,
            actionObject.list,
            actionObject.step,
            actionObject.option,
            currencyCode
          );
        }

        SNOWPLOW_NAME_HERE('trackEnhancedEcommerceAction', relevantAction);
      }
    }
  }
</script>