custom meta field in woocommerce product page

custom meta field in woocommerce product page

## ---- 1. Backend ---- ##
// Adding a custom Meta container to admin products pages
add_action('add_meta_boxes', 'create_custom_meta_box');
if (!function_exists('create_custom_meta_box')) {
    function create_custom_meta_box()
    {
        add_meta_box(
            'custom_product_meta_box',
            __(' Product Main URL <em>(orginal)</em>', 'cmb'),
            'add_custom_content_meta_box',
            'product',
            'normal',
            'default'
        );
    }
}
//  Custom metabox content in admin product pages
if (!function_exists('add_custom_content_meta_box')) {
    function add_custom_content_meta_box($post)
    {
        $prefix = '_bhww_'; // global $prefix;
        $ingredients = get_post_meta($post->ID, $prefix . 'ingredients_wysiwyg', true) ? get_post_meta($post->ID, $prefix . 'ingredients_wysiwyg', true) : '';

        $args['textarea_rows'] = 6;
        echo '<a class="extra-meta-woo" href="' . $ingredients . '" target="_blank">This is a link</a>';

        wp_editor($ingredients, 'ingredients_wysiwyg', $args);
        echo '<input type="hidden" name="custom_product_field_nonce" value="' . wp_create_nonce() . '">';
    }
}
//Save the data of the Meta field
add_action('save_post', 'save_custom_content_meta_box', 10, 1);
if (!function_exists('save_custom_content_meta_box')) {
    function save_custom_content_meta_box($post_id)
    {
        $prefix = '_bhww_'; // global $prefix;
        // We need to verify this with the proper authorization (security stuff).
        // Check if our nonce is set.
        if (!isset($_POST['custom_product_field_nonce'])) {
            return $post_id;
        }
        $nonce = $_REQUEST['custom_product_field_nonce'];
        //Verify that the nonce is valid.
        if (!wp_verify_nonce($nonce)) {
            return $post_id;
        }
        // If this is an autosave, our form has not been submitted, so we don't want to do anything.
        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
            return $post_id;
        }
        // Check the user's permissions.
        if ('product' == $_POST['post_type']) {
            if (!current_user_can('edit_product', $post_id))
                return $post_id;
        } else {
            if (!current_user_can('edit_post', $post_id))
                return $post_id;
        }

        // Sanitize user input and update the meta field in the database.
        update_post_meta($post_id, $prefix . 'ingredients_wysiwyg', wp_kses_post($_POST['ingredients_wysiwyg']));
    }
}
// ## ---- 2. Front-end ---- ##
// // Create custom tabs in product single pages
// add_filter('woocommerce_product_tabs', 'custom_product_tabs');
// function custom_product_tabs($tabs)
// {
//     global $post;
//     $product_ingredients = get_post_meta($post->ID, '_bhww_ingredients_wysiwyg', true);
//     $product_benefits    = get_post_meta($post->ID, '_bhww_benefits_wysiwyg', true);
//     if (!empty($product_ingredients))
//         $tabs['ingredients_tab'] = array(
//             'title'    => __('Ingredients', 'woocommerce'),
//             'priority' => 45,
//             'callback' => 'ingredients_product_tab_content'
//         );
//     if (!empty($product_benefits))
//         $tabs['benefits_tab'] = array(
//             'title'    => __('Benefits', 'woocommerce'),
//             'priority' => 50,
//             'callback' => 'benefits_product_tab_content'
//         );
//     return $tabs;
// }
// // Add content to custom tab in product single pages (1)
// function ingredients_product_tab_content()
// {
//     global $post;
//     $product_ingredients = get_post_meta($post->ID, '_bhww_ingredients_wysiwyg', true);
//     if (!empty($product_ingredients)) {
//         echo '<h2>' . __('Product Ingredients', 'woocommerce') . '</h2>';
//         // Updated to apply the_content filter to WYSIWYG content
//         echo apply_filters('the_content', $product_ingredients);
//     }
// }
// // Add content to custom tab in product single pages (2)
// function benefits_product_tab_content()
// {
//     global $post;
//     $product_benefits = get_post_meta($post->ID, '_bhww_benefits_wysiwyg', true);
//     if (!empty($product_benefits)) {
//         echo '<h2>' . __('Product Benefits', 'woocommerce') . '</h2>';
//         // Updated to apply the_content filter to WYSIWYG content
//         echo apply_filters('the_content', $product_benefits);
//     }
// }