qdr.app.woo.plugins/studiou-wc-ord-print-statuses/includes/class-order-fields-manager.php

<?php
// Manages custom order fields rendered in the "Print Information" panel.

defined('ABSPATH') || exit;

class Order_Fields_Manager {
    private $datetime_fields = array(
        'to_print_date'              => 'Prepare To Print Date',
        'in_print_date'              => 'In Print Date',
        'external_ref_ord_date'      => 'External Order Date',
        'external_ref_ord_delivered' => 'External Order Delivered',
    );
    private $text_fields = array(
        'external_ref_ord_no' => 'External Order Number',
    );

    public function __construct() {
        add_action('woocommerce_admin_order_data_after_order_details', array($this, 'display_custom_order_fields'));
        add_action('woocommerce_process_shop_order_meta', array($this, 'save_custom_order_fields'));
    }

    public function display_custom_order_fields($order) {
        ?>
        <div class="order_data_column">
            <h4><?php esc_html_e('Print Information', 'studiou-wc-ord-print-statuses'); ?></h4>
            <?php
            woocommerce_wp_text_input(array(
                'id'            => 'to_print_date',
                'label'         => __('Prepare To Print Date', 'studiou-wc-ord-print-statuses'),
                'type'          => 'datetime-local',
                'value'         => $this->mysql_to_datetime_local($order->get_meta('to_print_date')),
                'wrapper_class' => 'form-field-wide',
            ));
            woocommerce_wp_text_input(array(
                'id'            => 'in_print_date',
                'label'         => __('In Print Date', 'studiou-wc-ord-print-statuses'),
                'type'          => 'datetime-local',
                'value'         => $this->mysql_to_datetime_local($order->get_meta('in_print_date')),
                'wrapper_class' => 'form-field-wide',
            ));
            woocommerce_wp_text_input(array(
                'id'            => 'external_ref_ord_no',
                'label'         => __('External Order Number', 'studiou-wc-ord-print-statuses'),
                'value'         => $order->get_meta('external_ref_ord_no'),
                'wrapper_class' => 'form-field-wide',
            ));
            woocommerce_wp_text_input(array(
                'id'            => 'external_ref_ord_date',
                'label'         => __('External Order Date', 'studiou-wc-ord-print-statuses'),
                'type'          => 'datetime-local',
                'value'         => $this->mysql_to_datetime_local($order->get_meta('external_ref_ord_date')),
                'wrapper_class' => 'form-field-wide',
            ));
            woocommerce_wp_text_input(array(
                'id'            => 'external_ref_ord_delivered',
                'label'         => __('External Order Delivered', 'studiou-wc-ord-print-statuses'),
                'type'          => 'datetime-local',
                'value'         => $this->mysql_to_datetime_local($order->get_meta('external_ref_ord_delivered')),
                'wrapper_class' => 'form-field-wide',
            ));
            ?>
        </div>
        <?php
    }

    public function save_custom_order_fields($order_id) {
        $order = wc_get_order($order_id);
        if (!$order) {
            return;
        }

        foreach (array_keys($this->datetime_fields) as $field) {
            if (isset($_POST[$field])) {
                $order->update_meta_data($field, $this->datetime_local_to_mysql($_POST[$field]));
            }
        }
        foreach (array_keys($this->text_fields) as $field) {
            if (isset($_POST[$field])) {
                $order->update_meta_data($field, sanitize_text_field(wp_unslash($_POST[$field])));
            }
        }
        $order->save();
    }

    private function mysql_to_datetime_local($value) {
        if (empty($value)) {
            return '';
        }
        $timestamp = strtotime($value);
        return $timestamp ? date('Y-m-d\TH:i', $timestamp) : '';
    }

    private function datetime_local_to_mysql($value) {
        $value = sanitize_text_field(wp_unslash($value));
        if ($value === '') {
            return '';
        }
        $timestamp = strtotime($value);
        return $timestamp ? date('Y-m-d H:i:s', $timestamp) : '';
    }
}