Piwik\Plugins\Goals\API::enrichItemsDataTableWithItemsViewMetrics PHP Method

    protected function enrichItemsDataTableWithItemsViewMetrics($dataTable, $idSite, $period, $date, $segment, $idSubtable)
    {
        $ecommerceViews = \Piwik\Plugins\CustomVariables\API::getInstance()->getCustomVariablesValuesFromNameId($idSite, $period, $date, $idSubtable, $segment, $_leavePriceViewedColumn = true);
        // For Product names and SKU reports, and for Category report
        // Use the Price (tracked on page views)
        // ONLY when the price sold in conversions is not found (ie. product viewed but not sold)
        foreach ($ecommerceViews->getRows() as $rowView) {
            // If there is not already a 'sum price' for this product
            $rowFound = $dataTable->getRowFromLabel($rowView->getColumn('label'));
            $price = $rowFound ? $rowFound->getColumn(Metrics::INDEX_ECOMMERCE_ITEM_PRICE) : false;
            if (empty($price)) {
                // If a price was tracked on the product page
                if ($rowView->getColumn(Metrics::INDEX_ECOMMERCE_ITEM_PRICE_VIEWED)) {
                    $rowView->renameColumn(Metrics::INDEX_ECOMMERCE_ITEM_PRICE_VIEWED, self::AVG_PRICE_VIEWED);
                }
            }
            $rowView->deleteColumn(Metrics::INDEX_ECOMMERCE_ITEM_PRICE_VIEWED);
        }
        $dataTable->addDataTable($ecommerceViews);
    }