wp-postcode-plugin/prijs-per-postcode.php

<?php

session_start();
require_once "session_dialog.php";
/*
 * Plugin Name: prijzen per poscode range
 * Description:  posctcodes in de 5000-5800 range krijgen een lokaal tarief aangeboden.
 * Author: Remo Zaros
 * Version: 0.9.1
 * Text Domeain: prijs-per-postcode
 */

if (!defined("ABSPATH")) {
    echo "big bag of potatoes";
    exit();
}

class PrijsPerPostcode
{
    public function __construct()
    {
        add_action("init", [$this, "init"]);
        add_action("rest_api_init", "register_modal_api");
    }

    public function init()
    {
        $uri = $_SERVER["REQUEST_URI"];
        if_needed_place_postcode_form($uri);

        //add_action("template_redirect", [$this, "redirect_if_missing_tag"]);
        add_action(
            "woocommerce_variation_options_pricing",
            [$this, "add_local_price_field"],
            10,
            3,
        );
        add_action(
            "woocommerce_save_product_variation",
            [$this, "save_local_price_field"],
            10,
            2,
        );
        add_action("woocommerce_before_calculate_totals", [
            $this,
            "use_local_price_if_local_postcode",
        ]);

        add_filter(
            "woocommerce_get_price_html",
            [$this, "display_local_price_on_product"],
            10,
            2,
        );
        add_action("template_redirect", [
            $this,
            "controleer_postcode_op_woocommerce_paginas",
        ]);
        add_action("wp_footer", [$this, "set_checkout_fields_with_javascript"]);
    }

    public function set_checkout_fields_with_javascript()
    {
        if (
            !is_checkout() ||
            (is_wc_endpoint_url() && !is_wc_endpoint_url("order-received"))
        ) {
            return;
        }

        $woonplaats = $_SESSION["woonplaats"];
        $postcode = $formatted_postcode = preg_replace(
            "/(\d+)([A-Z]+)/",
            '$1 $2',
            strtoupper($_SESSION["postcode"]),
        );
        $address =
            $_SESSION["straatnaam"] . " " . strtoupper($_SESSION["huisnummer"]);
        // Output the JavaScript
        ?>
        <script type="text/javascript" id="fill_address_fields">


        jQuery(document).ready(function($) {
            fillCheckoutFields();
            $(document.body).on('updated_checkout', fillCheckoutFields);
        });

        function fillCheckoutFields() {
          if (typeof wp !== 'undefined' && wp.data && wp.data.dispatch) {
            const store = 'wc/store/cart';

            wp.data.dispatch(store).setShippingAddress({
                first_name: '',
                last_name: '',
                address_1: '<?php echo esc_js($address); ?>',
                address_2: '',
                city: '<?php echo esc_js($woonplaats); ?>',
                state: '',
                postcode: '<?php echo esc_js($postcode); ?>',
                country: 'NL',
                phone: '',
                email: ''
            });

            setTimeout(() => {
                $('#shipping-postcode, #shipping-city, #shipping-address_1')
                    .prop('readonly', true)
                    .css('background', '#f9f9f9');
            }, 500);

            jQuery(document.body).trigger('update_checkout');
        } else {
             console.error('WooCommerce Blocks API is niet beschikbaar');
        }

     }
     </script>
     <?php
    }

    public function add_local_price_field($loop, $variation_data, $variation)
    {
        woocommerce_wp_text_input([
            "id" => "_local_price[" . $loop . "]",
            "label" =>
                __("Lokale Prijs", "woocommerce") .
                " (" .
                get_woocommerce_currency_symbol() .
                ")",
            "value" => get_post_meta($variation->ID, "_local_price", true),
            "data_type" => "price",
            "wrapper_class" => "form-row form-row-first", // Left half
        ]);
    }

    public function save_local_price_field($variation_id, $i)
    {
        $local_price = $_POST["_local_price"][$i];
        if (isset($local_price)) {
            update_post_meta(
                $variation_id,
                "_local_price",
                wc_clean($local_price),
            );
        }
    }

    public function use_local_price_if_local_postcode($cart)
    {
        if (is_admin() && !defined("DOING_AJAX")) {
            return;
        }

        foreach ($cart->get_cart() as $cart_item) {
            $product = $cart_item["data"];
            $variation_id = $product->is_type("variation")
                ? $product->get_id()
                : 0;

            if (
                $variation_id &&
                isset($_SESSION["postcode_is_local"]) &&
                $_SESSION["postcode_is_local"]
            ) {
                $local_price = get_post_meta(
                    $variation_id,
                    "_local_price",
                    true,
                );
                if ($local_price) {
                    $product->set_price($local_price);
                }
            }
        }
    }

    public function controleer_postcode_op_woocommerce_paginas()
    {
        if (is_admin() || defined("DOING_AJAX")) {
            return;
        }

        if (
            (is_product() ||
                is_product_category() ||
                is_product_tag() ||
                is_cart() ||
                is_checkout() ||
                is_account_page()) &&
            !is_shop()
        ) {
            if (!isset($_SESSION["postcode_is_local"])) {
                wp_redirect(home_url("/winkel/"));
                exit();
            }
        }
    }

    public function display_local_price_on_product($price_html, $product)
    {
        if (
            $product->is_type("variation") &&
            isset($_SESSION["postcode_is_local"]) &&
            $_SESSION["postcode_is_local"] === true
        ) {
            $local_price = get_post_meta(
                $product->get_id(),
                "_local_price",
                true,
            );
            if ($local_price !== "") {
                return wc_price($local_price);
            }
        }
        return $price_html;
    }
}

new PrijsPerPostcode();