ReviewX review additional meta import and export

functions.php

<?php //do not copy this line


// Add in exporting site
add_filter('wt_alter_product_reviews_export_csv_data', 'wt_alter_product_reviews_export_csv_data');

function wt_alter_product_reviews_export_csv_data($csv_row) {

    if (isset($csv_row['meta:reviewx_attachments']) && !empty($csv_row['meta:reviewx_attachments'])) {
        $images_url = array();
        $review_images_ids = json_decode($csv_row['meta:reviewx_attachments'], true);

        foreach ($review_images_ids['images'] as $img_id) {
            $review_images = wp_get_attachment_image_src($img_id, 'full');
            $images_url['images'][] = $review_images[0];
        }
        $csv_row['meta:reviewx_attachments'] = json_encode($images_url);
    }
    return $csv_row;
}



// Add in importing site
function wtier_insert_attachment_from_url($image_url) {

    $upload_dir = wp_upload_dir();

    $image_data = file_get_contents($image_url);

    $filename = basename($image_url);

    if (wp_mkdir_p($upload_dir['path'])) {
        $file = $upload_dir['path'] . '/' . $filename;
    } else {
        $file = $upload_dir['basedir'] . '/' . $filename;
    }

    file_put_contents($file, $image_data);

    $wp_filetype = wp_check_filetype($filename, null);

    $attachment = array(
        'post_mime_type' => $wp_filetype['type'],
        'post_title' => sanitize_file_name($filename),
        'post_content' => '',
        'post_status' => 'inherit'
    );

    $attach_id = wp_insert_attachment($attachment, $file);
    require_once( ABSPATH . 'wp-admin/includes/image.php' );
    $attach_data = wp_generate_attachment_metadata($attach_id, $file);
    wp_update_attachment_metadata($attach_id, $attach_data);
    return $attach_id;
}

add_filter('wt_iew_importer_skip_from_evaluation', 'fn_wt_iew_importer_skip_from_evaluation');

function fn_wt_iew_importer_skip_from_evaluation($evl_arra) {
    $fields = array('meta:reviewx_rating', 'meta:reviewx_attachments');
    $evl_arra = array_merge($evl_arra, $fields);
    return $evl_arra;
}

add_filter('wt_woocommerce_product_review_importer_pre_parse_data', 'wt_woocommerce_product_review_importer_pre_parse_data');

function wt_woocommerce_product_review_importer_pre_parse_data($csv_row) {
    if (isset($csv_row['meta_mapping_fields']) && !empty($csv_row['meta_mapping_fields'])) {
        if (isset($csv_row['meta_mapping_fields']['meta']['meta:reviewx_attachments'])) {
            $images_ids = array();
            $image_urls = json_decode($csv_row['meta_mapping_fields']['meta']['meta:reviewx_attachments'], true);
            foreach ($image_urls['images'] as $img_url) {
                $review_images = wtier_insert_attachment_from_url($img_url);
                $images_ids['images'][] = $review_images;
            }
            $csv_row['meta_mapping_fields']['meta']['meta:reviewx_attachments'] = json_encode($images_ids);
        }
    }
    return $csv_row;
}