Google Product Feed - Export and Import with WooCommerce product import export by WebToffee

functions.php

<?php


add_filter('wt_woocommerce_product_importer_pre_parse_data', 'wt_woocommerce_product_importer_pre_parse_feed_data');

function wt_woocommerce_product_importer_pre_parse_feed_data($mapped_data) {
    $wt_gpf_data_array = array('meta:wt_gpf_title', 'meta:wt_gpf_availability', 'meta:wt_gpf_brand', 'meta:wt_gpf_mpn', 'meta:wt_gpf_product_type', 'meta:wt_gpf_google_product_category', 'meta:wt_gpf_size_system');

    $gpf_data = array();
    foreach ($mapped_data as $mkey => $mvalue) {
        if (in_array($mkey, $wt_gpf_data_array)) {
            $gpf_key = str_replace('meta:wt_gpf_', '', $mkey);
            $gpf_data[$gpf_key] = $mvalue;
            unset($mapped_data[$mkey]);
        }
    }

    if (isset($gpf_data['size_system'])) {
        $mapped_data['meta:_woocommerce_gpf_data'] = $gpf_data;
    }

    return $mapped_data;
}

add_filter('hf_alter_product_export_csv_columns', 'hf_alter_product_export_csv_columns', 10, 1);

function hf_alter_product_export_csv_columns($headers) {

    $headers['meta:wt_gpf_title'] = 'meta:wt_gpf_title';
    $headers['meta:wt_gpf_availability'] = 'meta:wt_gpf_availability';
    $headers['meta:wt_gpf_brand'] = 'meta:wt_gpf_brand';
    $headers['meta:wt_gpf_mpn'] = 'meta:wt_gpf_mpn';
    $headers['meta:wt_gpf_product_type'] = 'meta:wt_gpf_product_type';
    $headers['meta:wt_gpf_google_product_category'] = 'meta:wt_gpf_google_product_category';
    $headers['meta:wt_gpf_size_system'] = 'meta:wt_gpf_size_system';
    return $headers;
}

add_filter('wt_batch_product_export_row_data', 'wt_batch_product_export_row_data', 10, 2);

function wt_batch_product_export_row_data($row, $product) {


    $gpf_data = json_decode(maybe_unserialize($product->meta->_woocommerce_gpf_data));

    $row['meta:wt_gpf_title'] = $gpf_data->title;
    $row['meta:wt_gpf_availability'] = $gpf_data->availability;
    $row['meta:wt_gpf_brand'] = $gpf_data->brand;
    $row['meta:wt_gpf_mpn'] = $gpf_data->mpn;
    $row['meta:wt_gpf_product_type'] = $gpf_data->product_type;
    $row['meta:wt_gpf_google_product_category'] = $gpf_data->google_product_category;
    $row['meta:wt_gpf_size_system'] = $gpf_data->size_system;
    return $row;
}