Tracking Copy

tracking.php

<?php
/**
   * Add GTM ecommerce tracking to the Order Complete (Thank You) page.
   *
   * @param int $order_id
   */
  public function thank_you_tracking($order_id)
  {
      $user_id = get_current_user_id();
      $is_existing_customer = $user_id ? get_user_meta($user_id, '_existing_customer', true) : false;

      // Grab the order
      $order = wc_get_order($order_id);
      $order_data = $order->get_data();

      // Subscription purchase
      if (wcs_order_contains_subscription($order) || wcs_order_contains_renewal($order)) {
          foreach ($order->get_items() as $item) {
              $item_data = $item->get_data();
              $product_id = $item_data['product_id'];
              break;
          }

          if ('gift' === UniversalYums_Frontend::get_product_cat_from_id($product_id)) {
              $product_id = $item_data['variation_id'];
              $length = get_post_meta($product_id, '_subscription_length', true);
              $variant = $length . '-Month';
          } else {
              $variant = 'Annual';
              if (get_post_meta($product_id, '_subscription_sign_up_fee', true)) {
                  $variant = 'Monthly';
              }
          }

          $product = wc_get_product($product_id);
          $sku = $product->get_sku();
          $lifetime_value = $this->get_lifetime_value($sku);

          // If a user changes their subscription plan
          if (function_exists('wcs_order_contains_switch') && wcs_order_contains_switch($order) && isset($item_data)) {
              ?>
                <script>
                    dataLayer.push({
                        'eventCategory': 'Subscription Plan',
                        'eventAction': 'Switch Plan',
                        'eventLabel': "<?php echo $item_data['name']; ?>",
                        'eventInteration': true,
                        'event': 'gaEvent'
                    });
                </script>
                <?php
                // If a user manually renews their payment, probably for a failed auto payment
          } elseif (function_exists('wcs_order_contains_renewal') && wcs_order_contains_renewal($order) && isset($item_data)) {
              ?>
                <script>
                    dataLayer.push({
                        'eventCategory': 'Subscription Plan',
                        'eventAction': 'Manual Renewal for Failed Payment',
                        'eventLabel': "<?php echo $item_data['name']; ?>",
                        'eventInteration': true,
                        'event': 'gaEvent'
                    });
                    <?php if ('yes' !== get_post_meta($order_id, '_uy_gift_renewal_order', true)) { ?>
                      alert('This was a manual renewal for a previously failed payment');
                    <?php } ?>
                </script>
                <?php
                // Otherwise, it must be a new order
          } else {
              ?>
                <script>
                    try {
                        if (localStorage.getItem('lastOrderId') != <?php echo $order_data['id']; ?>) {
                            localStorage.setItem('lastOrderId', <?php echo $order_data['id']; ?>);

                            dataLayer.push({
                                'ecommerce': {
                                    'purchase': {
                                        'actionField': {
                                            'id': '<?php echo $order_data['id']; ?>',
                                            'affiliation': 'Online Store',
                                            'revenue': '<?php echo $order_data['total']; ?>',
                                            'tax': '<?php echo $order_data['total_tax']; ?>',
                                            'shipping': '<?php echo $order_data['shipping_total']; ?>',
                                            'coupon': '',
                      'customer': '<?php echo $is_existing_customer ? 'Existing Customer' : 'New Customer'; ?>' ,
                                            'content_ids': '<?php echo $sku ?>',
                      <?php echo $lifetime_value ? "'pltv':\"$lifetime_value\"" : ''; ?>
                                        },
                                        'products': [{
                                            'name': "<?php echo $item_data['name']; ?>",
                                            'id': '<?php echo get_post_meta($product_id, '_sku', true); ?>',
                                            'price': '<?php echo $item_data['subtotal']; ?>',
                                            'brand': 'Universal Yums',
                                            'category': 'Boxes',
                                            'variant': '<?php echo $variant; ?>',
                                            'quantity': '<?php echo $item_data['quantity']; ?>',
                                            'coupon': ''
                                        }]
                                    }
                                },
                                'event': 'orderConfirmation',
                            });

                            dataLayer.push({
                                'eventCategory': 'Checkout',
                                'eventAction': 'Purchase',
                                'eventLabel': '<?php echo $is_existing_customer ? 'Existing Customer' : 'New Customer'; ?>',
                                'eventInteration': true,
                                'event': 'gaEvent'
                            });
                        }
                    } catch(err) { }
                </script>
                <?php
          }
      } else {
          // Single sale purchase
          $data = [];

          foreach ($order->get_items() as $item) {
              $product = $item->get_product();

              // Validate if single sale product.
              if (WC_Subscriptions_Product::is_subscription($product)) {
                  continue;
              }

              $data[] = [
                  'sku' => $product->get_sku(),
                  'name' => $product->get_title(),
                  'price' => $item->get_total(),
                  'qty' => $item->get_quantity(),
              ];
          }

          $skus = implode(',', array_map(function ($el) {
              return $el['sku'];
          }, $data)); ?>
            <script>
                try {
                    if ( localStorage.getItem('lastOrderId') != <?php echo $order_data['id']; ?> ) {
                        localStorage.setItem('lastOrderId', <?php echo $order_data['id']; ?>);

                        dataLayer.push({
                            'ecommerce': {
                                'purchase': {
                                    'actionField': {
                                        'id': '<?php echo $order_data['id']; ?>',
                                        'affiliation': 'Online Store',
                                        'revenue': '<?php echo $order_data['total']; ?>',
                                        'tax': '<?php echo $order_data['total_tax']; ?>',
                                        'shipping': '<?php echo $order_data['shipping_total']; ?>',
                                        'coupon': '',
                                        'customer': '<?php echo $is_existing_customer ? 'Existing Customer' : 'New Customer'; ?>' ,
                                        'content_ids': '<?php echo $skus ?>',
                                        'pltv': '<?php echo $order_data['total'] ?>',
                                    },
                                    'products': [
                                        <?php foreach ($data as $order_product): ?>
                                        {
                                            'name': "<?php echo $order_product['name']; ?>",
                                            'id': '<?php echo $order_product['sku']; ?>',
                                            'price': '<?php echo $order_product['price']; ?>',
                                            'brand': 'Universal Yums',
                                            'category': 'Single Sale',
                                            'quantity': '<?php echo $order_product['qty']; ?>'
                                        },
                                        <?php endforeach; ?>
                                    ]
                                }
                            },
                            'event': 'orderConfirmation'
                        });

                        dataLayer.push({
                            'eventCategory': 'Checkout',
                            'eventAction': 'Purchase',
                            'eventLabel': '<?php echo $is_existing_customer ? 'Existing Customer' : 'New Customer'; ?>',
                            'eventInteration': true,
                            'event': 'gaEvent'
                        });
                    }
                } catch(err) {}
            </script>
            <?php
      }

      if ($user_id) {
          update_user_meta($user_id, '_existing_customer', true);
      }
  }