gruene-seele/dev/dhl-for-woocommerce/includes/abstract-pr-dhl-wc-product-editor.php

<?php

/**
 * PR_DHL_WC_Product_Editor class file.
 */
if (! defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

use Automattic\WooCommerce\Admin\BlockTemplates\BlockInterface;

if (! class_exists('PR_DHL_WC_Product_Editor')) {
    /**
     * PR_DHL_WC_Product_Editor Class.
     */
    abstract class PR_DHL_WC_Product_Editor
    {
        /**
         * Manufacture country tooltip.
         *
         * @var string
         */
        protected $manufacture_tooltip = '';

        /**
         * Manufacture country label.
         *
         * @var string
         */
        protected $manufacture_country_label = '';

        /**
         * HS Code label.
         *
         * @var string
         */
        protected $hs_code_label = '';

        /**
         * HS Code description.
         *
         * @var string
         */
        protected $hs_code_description = '';

        /**
         * Class constructor.
         */
        public function __construct()
        {
            add_action('woocommerce_block_template_area_product-form_after_add_block_product-shipping-dimensions', [$this, 'add_product_shipping_fields']);
            add_action('woocommerce_block_template_area_product-form_after_add_block_product-variation-shipping-dimensions', [$this, 'add_product_shipping_fields']);
        }

        /**
         * Add additional product fields.
         */
        abstract public function additional_product_fields($parent): void;

        /**
         * Add DHL product fields.
         */
        public function add_product_shipping_fields(BlockInterface $shipping_dimensions_block): void
        {
            if (! method_exists($shipping_dimensions_block, 'get_parent')) {
                return;
            }

            $parent = $shipping_dimensions_block->get_parent();

            // Add Country of Origin Select Block.
            $countries = WC()->countries->get_countries();
            $parent->add_block(
                [
                    'id' => '_dhl_manufacture_country',
                    'blockName' => 'woocommerce/product-select-field',
                    'attributes' => [
                        'label' => $this->manufacture_country_label,
                        'property' => 'meta_data._dhl_manufacture_country',
                        'options' => array_merge(
                            [
                                [
                                    'value' => '0',
                                    'label' => __('- select country -', 'dhl-for-woocommerce'),
                                ],
                            ],
                            array_map(function ($key, $value) {
                                return [
                                    'value' => $key,
                                    'label' => $value,
                                ];
                            }, array_keys($countries), $countries)
                        ),
                        'tooltip' => $this->manufacture_tooltip,
                    ],
                ]
            );

            // Add HS Tariff Code Text Block.
            $parent->add_block(
                [
                    'id' => '_dhl_hs_code',
                    'blockName' => 'woocommerce/product-text-field',
                    'attributes' => [
                        'label' => $this->hs_code_label,
                        'property' => 'meta_data._dhl_hs_code',
                        'placeholder' => esc_html__('HS Code', 'dhl-for-woocommerce'),
                        'tooltip' => $this->hs_code_description,
                    ],
                ]
            );

            $this->additional_product_fields($parent);
        }
    }

}