Make reset postcode button work

assets/postcode_modal.css

@@ -1,5 +1,4 @@
 .postcode_modal {
-    backgrounnd: green;
     border-radius: 20px;
     box-shadow(10px);
     border: none;
@@ -27,24 +26,45 @@
     input[type="text"] {
         padding: .3rem;
         font-size: 1.4rem;
+        caret-color: hsl(344 98 40);
     }
 
     button {
         border: none;
         font-size: 1.4rem;
+        color: hsl(233 100 100);
         padding: .4rem 1rem;
         border-radius: 5px;
-        background: dodgerblue;
+        background: hsl(344 98 40);
+        border: 1px hsl(344 98 40) solid;
         margin: 0 0 0 .3rem;
+        transition: .2s all linear;
+
+        &:hover{
+            color: hsl(344 98 40 );
+            background: hsl(344 98 100);
+            cursor: pointer;
+        }
     }
 
     .form_fields {
         display: flex;
         justify-content: space-between;
         align-items: center;
+
+        &>{
+            display: flex;
+        }
     }
 
     &::backdrop {
-        background-color: hsl(40deg 100 30 /0.5);
+        backdrop-filter: blur(1px);
+        background-color: hsl(40deg 100 0 /0.4);
+        background: radial-gradient(circle,rgba(33, 33, 33, 0.68) 0%, rgba(15, 15, 15, 0.8) 23%, rgba(0, 0, 0, 0.87) 100%);
     }
+
+    .error_message_modal_postcode {
+        min-height: 1lh;
+        color: hsl(344 98 40 );
+    }/* HTML: <div class="loader"></div> */
 }

assets/reset-postcode.css

@@ -0,0 +1,26 @@
+.postcode-reset {
+    font-size: var(--wp--preset--font-size--small, 13px);
+    line-height: 1.3;
+    margin-top: 11px;
+
+    a {
+        color: var(--wc-red);
+        cursor: pointer;
+
+        &.decline {
+            color: #111;
+        }
+
+        &:hover {
+            filter: brightness(160%);
+        }
+    }
+
+    .bevestiging {
+        display: none;
+
+        &[data-open="true"] {
+            display: inline;
+        }
+    }
+}

assets/reset-postcode.js

@@ -0,0 +1,32 @@
+document.addEventListener("click", function (event) {
+  if (event.target.matches(".reset-postcode-show-comfirm")) {
+    event.preventDefault();
+    document.querySelector(".bevestiging").dataset.open = true;
+  }
+
+  if (event.target.matches(".accept")) {
+    event.preventDefault();
+    console.log("link2 button clicked!");
+    fetch(ajax_object.ajax_url, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+      },
+      body: new URLSearchParams({
+        action: "unset_my_session",
+        nonce: ajax_object.nonce, // The nonce value
+      }),
+    })
+      .then((response) => response.json())
+      .then((data) => {
+        if (data.success) {
+          window.location.reload();
+        }
+      });
+  }
+
+  if (event.target.matches(".decline")) {
+    event.preventDefault();
+    document.querySelector(".bevestiging").dataset.open = false;
+  }
+});

prijs-per-postcode.php

@@ -3,10 +3,10 @@
 session_start();
 require_once "session_dialog.php";
 /*
- * Plugin Name: Prijs per Postcode
+ * Plugin Name: prijzen per poscode range
- * Description: veschillende prijzen per postdoce. een range posctcodes zijn "lokaal" andere zijn overig
+ * Description:  posctcodes in de 5000-5800 range krijgen een lokaal tarief aangeboden.
  * Author: Remo Zaros
- * Version: 0.0.1
+ * Version: 0.9.1
  * Text Domeain: prijs-per-postcode
  */
 
@@ -26,177 +26,135 @@ class PrijsPerPostcode
     public function init()
     {
         $uri = $_SERVER["REQUEST_URI"];
-        if_needed_place_postcode_form($uri);
+        add_filter("woocommerce_sale_flash", "__return_null");
+        init_postcode_handlers($uri);
 
-        add_action("woocommerce_product_query", [
+        //add_action("template_redirect", [$this, "redirect_if_missing_tag"]);
-            $this,
+        add_action(
-            "custom_show_products_by_tag",
+            "woocommerce_variation_options_pricing",
-        ]);
+            [$this, "add_local_price_field"],
-        add_action("template_redirect", [$this, "redirect_if_missing_tag"]);
-        add_action("wp_footer", [$this, "set_checkout_fields_with_javascript"]);
-        add_filter("woocommerce_checkout_fields", [
-            $this,
-            "make_checkout_fields_readonly",
-        ]);
-        add_filter("woocommerce_product_related_posts_query", [
-            $this,
-            "custom_filter_related_products_by_session_tag",
-        ]);
-        add_filter(
-            "get_the_terms",
-            [$this, "hide_lokaal_and_overige_regios_tags"],
             10,
             3,
         );
-    }
+        add_action(
-
+            "woocommerce_save_product_variation",
-    public function set_checkout_fields_with_javascript()
+            [$this, "save_local_price_field"],
-    {
+            10,
-        // Only run off the checkout page
+            2,
-        if (!is_checkout() || is_wc_endpoint_url()) {
-            return;
-        }
-
-        // Define the values you want to set
-        $woonplaats = $_SESSION["woonplaats"];
-        $postcode = $formatted_postcode = preg_replace(
-            "/(\d+)([A-Z]+)/",
-            '$1 $2',
-            strtoupper($_SESSION["postcode"]),
         );
-        $address =
+        add_action("woocommerce_before_calculate_totals", [
-            $_SESSION["straatnaam"] . " " . strtoupper($_SESSION["huisnummer"]);
+            $this,
-        // Output the JavaScript
+            "use_local_price_if_local_postcode",
-        ?>
+        ]);
-                <script type="text/javascript">
+
-                jQuery(document).ready(function($){
+        add_filter(
-                    // Set the values for the checkout fields
+            "woocommerce_get_price_html",
-                    $('#billing_city').val('<?php echo esc_js(
+            [$this, "display_local_price_on_product"],
-                        $woonplaats,
+            10,
-                    ); ?>');
+            2,
-                    $('#billing_postcode').val('<?php echo esc_js(
+        );
-                        $postcode,
+        add_action("template_redirect", [
-                    ); ?>');
+            $this,
-                    $('#billing_address_1').val('<?php echo esc_js(
+            "controleer_postcode_op_woocommerce_paginas",
-                        $address,
+        ]);
-                    ); ?>');
-                });
-                </script>
-                <?php
     }
 
-    public function custom_show_products_by_tag($q)
+    public function add_local_price_field($loop, $variation_data, $variation)
     {
-        // Only target main product queries on the frontend
+        woocommerce_wp_text_input([
-        if (
+            "id" => "_local_price[" . $loop . "]",
-            !is_admin() &&
+            "label" =>
-            $q->is_main_query() &&
+                __("Lokale Prijs", "woocommerce") .
-            (is_shop() || is_product_category() || is_home())
+                " (" .
-        ) {
+                get_woocommerce_currency_symbol() .
-            // Replace this with your actual boolean logic
+                ")",
-            $show_lokaal = $_SESSION["lokaal_tarief"] ?? false;
+            "value" => get_post_meta($variation->ID, "_local_price", true),
-
+            "data_type" => "price",
-            // Determine which tag to show
+            "wrapper_class" => "form-row form-row-first", // Left half
-            $tag_to_show = $show_lokaal ? "lokaal" : "algemeen";
+        ]);
-
-            // Set the tax query to only include the chosen tag
-            $tax_query = [
-                [
-                    "taxonomy" => "product_tag",
-                    "field" => "slug",
-                    "terms" => [$tag_to_show],
-                    "operator" => "IN",
-                ],
-            ];
-            $q->set("tax_query", $tax_query);
-        }
     }
 
-    public function redirect_if_missing_tag()
+    public function save_local_price_field($variation_id, $i)
     {
-        // Only run on frontend single product pages
+        $local_price = $_POST["_local_price"][$i];
-        if (is_admin() || !is_singular("product")) {
+        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;
         }
 
-        $product_id = get_the_ID();
+        foreach ($cart->get_cart() as $cart_item) {
-        $product = wc_get_product($product_id);
+            $product = $cart_item["data"];
+            $variation_id = $product->is_type("variation")
+                ? $product->get_id()
+                : 0;
 
-        $show_lokaal = $_SESSION["lokaal_tarief"] ?? false;
+            if (
-        $tag_to_show = $show_lokaal ? "lokaal" : "algemeen";
+                $variation_id &&
+                isset($_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);
+                }
+            }
+        }
+    }
 
-        if (!$product || !has_term($tag_to_show, "product_tag", $product_id)) {
+    public function controleer_postcode_op_woocommerce_paginas()
-            wp_redirect(home_url("/shop")); // Works with Dutch permalink
+    {
+        if (is_admin() || defined("DOING_AJAX")) {
+            return;
+        }
+
+        if (
+            (is_product() ||
+                is_product_category() ||
+                is_product_tag() ||
+                is_cart() ||
+                is_checkout() ||
+                is_account_page()) &&
+            !is_shop()
+        ) {
+            if (!isset($_SESSION["postcode_is_local"])) {
+                wp_redirect(home_url("/winkel/"));
                 exit();
             }
         }
+    }
 
-    public function hide_lokaal_and_overige_regios_tags(
+    public function display_local_price_on_product($price_html, $product)
-        $terms,
+    {
-        $post_id,
+        if (
-        $taxonomy,
+            $product->is_type("variation") &&
+            isset($_SESSION["postcode_is_local"]) &&
+            $_SESSION["postcode_is_local"] === true
         ) {
-        if ($taxonomy === "product_tag" && !is_admin()) {
+            $local_price = get_post_meta(
-            $tags_to_hide = ["lokaal", "algemeen"];
+                $product->get_id(),
-            return array_filter($terms, function ($term) use ($tags_to_hide) {
+                "_local_price",
-                return !in_array($term->slug, $tags_to_hide);
+                true,
-            });
-        }
-        return $terms;
-    }
-
-    public function make_checkout_fields_readonly($fields)
-    {
-        $readonly_fields = [
-            "billing_address_1",
-            "billing_city",
-            "billing_postcode",
-        ];
-
-        foreach ($readonly_fields as $field) {
-            if (isset($fields["billing"][$field])) {
-                $fields["billing"][$field]["custom_attributes"][
-                    "readonly"
-                ] = true;
-            }
-        }
-        return $fields;
-    }
-
-    public function custom_filter_related_products_by_session_tag($query)
-    {
-        // Start session if not already started
-        if (session_status() === PHP_SESSION_NONE) {
-            session_start();
-        }
-
-        // Determine which tag to exclude based on session
-        $show_lokaal = $_SESSION["lokaal_tarief"] ?? false;
-        $exclude_tag = $show_lokaal ? "algemeen" : "lokaal";
-
-        global $wpdb;
-
-        // Get term_taxonomy_id for the tag to exclude
-        $excluded_term = $wpdb->get_var(
-            $wpdb->prepare(
-                "SELECT term_taxonomy_id FROM {$wpdb->term_taxonomy} tt
-             JOIN {$wpdb->terms} t ON tt.term_id = t.term_id
-             WHERE tt.taxonomy = 'product_tag' AND t.slug = %s",
-                $exclude_tag,
-            ),
-        );
-
-        if ($excluded_term) {
-            $query[
-                "join"
-            ] .= " LEFT JOIN {$wpdb->term_relationships} exclude_tr ON exclude_tr.object_id = p.ID ";
-            $query["where"] .= $wpdb->prepare(
-                " AND ( exclude_tr.term_taxonomy_id != %d OR exclude_tr.term_taxonomy_id IS NULL )",
-                $excluded_term,
             );
+            if ($local_price !== "") {
+                return wc_price($local_price);
             }
-
+        }
-        return $query;
+        return $price_html;
     }
 }
+
 new PrijsPerPostcode();

session_dialog.php

@@ -1,20 +1,23 @@
 <?php
 
 session_start();
-function if_needed_place_postcode_form($uri)
+function init_postcode_handlers($uri)
 {
-    if (
+    if (strpos($uri, "/winkel/") !== false) {
-        strpos($uri, "/shop") !== false ||
-        strpos($uri, "/winkel") !== false ||
-        strpos($uri, "/product") !== false
-    ) {
-        render_dialog_html();
         add_action("wp_enqueue_scripts", "modal_styles");
         add_action("wp_footer", "send_postcode_data");
         if (!has_postcode()) {
+            if (!is_admin()) {
+                WC()->cart->empty_cart();
+            }
             add_action("wp_footer", "show_modal");
+            render_dialog_html();
         }
     }
+    add_action("wp_ajax_unset_my_session", "handle_unset_session_fetch");
+    add_action("wp_ajax_nopriv_unset_my_session", "handle_unset_session_fetch");
+    add_action("wp_footer", "modify_checkout_with_js");
+    add_action("wp_enqueue_scripts", "load_assets_reset_postcode_on_checkout");
 }
 
 function modal_styles()
@@ -28,7 +31,7 @@ function modal_styles()
 function show_modal()
 {
     ?>
-        <script>
+    <script id="postcode_modal">
           const postcodeModal = document.querySelector("#postcode_modal");
           postcodeModal.showModal();
         </script>
@@ -40,20 +43,24 @@ function send_postcode_data()
     ?>
     <script type="module">
         const postcodeModal = document.querySelector("#postcode_modal");
-        const submitBtn = document.querySelector("#postcode_modal_form");
+        const modalForm = document.querySelector("#postcode_modal_form");
 
-        submitBtn.addEventListener('submit', async (e) => {
+        modalForm.addEventListener('submit', async (e) => {
             e.preventDefault();
             const formData = new FormData(e.target);
             const data = Object.fromEntries(formData.entries());
             const json = JSON.stringify(data);
 
             try {
-              const resp = await fetch('<? echo get_rest_url(null, "postcode-modal/v1/submit"); ?>', {
+              const resp = await fetch('<?php echo get_rest_url(
+                  null,
+                  "postcode-modal/v1/submit",
+              ); ?>', {
                 method: 'POST',
+                credentials: 'same-origin',
                 headers: {
                   'Content-Type': 'application/json',
-                  'X-WP-Nonce': '<? echo wp_create_nonce("wp_rest"); ?>'
+                  'X-WP-Nonce': '<?php echo wp_create_nonce("wp_rest"); ?>'
                 },
                 body: json
               });
@@ -65,12 +72,25 @@ function send_postcode_data()
               console.log("Data returnd", data);
 
               if (data.status === "error"){
+                  const err = data.message;
+                  let errmsg
 
+                  switch (err) {
+                    case "Huisnummer not found":
+                      errmsg = "Adres niet gevonden.";
+                      break;
+                    case "Multiple addresses match this huisnummer; add huisletter and/or huisnummertoevoeging":
+                      errmsg = "Huisnummertovoeging mist.";
+                      break;
+                    default:
+                      errmsg = "Gegevens niet correct.";
+                  }
+                  document.querySelector("#error_message_modal_postcode").innerHTML = errmsg;
               }
 
               if (data.status === "success"){
-                //postcodeModal.close();
+                postcodeModal.close();
-                location.reload();
+                //location.reload();
               }
             }catch(err){
               console.error("Fetch Failed:", err);
@@ -86,7 +106,7 @@ function render_dialog_html()
     ?>
     <dialog id="postcode_modal" class="postcode_modal" closedby="none">
         <h2>Vul je postcode en huisnummer in.</h2>
-        <form id="postcode_modal_form" method="post" action="">
+        <form id="postcode_modal_form" method="post" action="" novalidation>
             <div class="form_fields">
                 <div>
                     <input type="text" name="postcode"
@@ -98,17 +118,18 @@ function render_dialog_html()
                     />
 
                     <input type="text" name="huisnummer"
-                        pattern="\d+([-\s]?[a-zA-Z]+)?"
+                        pattern="/\d+([-\\s]?[a-zA-Z]+)?/"
                         title="Voer een geldig huisnummer in (bijv. 1, 1A, 1-A, 1a)."
-                        placeholder= "12a"
+                        placeholder= "12A"
                         size="5"
                         required
                     />
                 </div>
                 <button id="postcode_modal_submit" type="submit">verzend</button>
             </div>
-        <form>
+        </form>
-        <div class="error_message" id="error_message"></div>
+        <div class="error_message_modal_postcode" id="error_message_modal_postcode" aria-live="polite"></div>
+        <div class="loader_modal"></div>
     </dialog>
     <?php
 }
@@ -161,7 +182,7 @@ function handle_postcode_modal($data)
         $_SESSION["straatnaam"] = $result["straatnaam"];
         $_SESSION["woonplaats"] = $result["woonplaats"];
 
-        $_SESSION["lokaal_tarief"] = postcode_in_range(
+        $_SESSION["postcode_is_local"] = postcode_in_range(
             $params["postcode"],
             5000,
             5800,
@@ -261,3 +282,119 @@ function postcode_in_range($postcode, $start, $end)
 
     return $numberPart >= $start && $numberPart <= $end;
 }
+
+function modify_checkout_with_js()
+{
+    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: ''
+              });
+
+              //make fields READONLY and ppstcode reset.
+              setTimeout(() => {
+                // make prefilled fiields readonly.
+                $('#shipping-postcode, #shipping-city, #shipping-address_1')
+                  .prop('readonly', true)
+                  .css('background', '#f9f9f9');
+
+                  // create postcode reset button
+                  const div = document.createElement("div");
+                  const script = document.createElement('script');
+                  div.setAttribute("class", "postcode-reset")
+                  div.innerHTML = `
+                    <a href="#" class="reset-postcode-show-comfirm" >Reset postcode.</a>
+                    <span class="bevestiging"> Weet je het zeker?
+                      <a href="#" class="accept">ja</a>/<a href="#" class="decline">nee</a>
+                      (Deze handeling leegt de winkelwagen.)
+                    </span> `;
+                  div.style.width = "100%";
+                  document.querySelector(".wc-block-components-address-form__city").after(div);
+              }, 500);
+
+
+
+              jQuery(document.body).trigger('update_checkout');
+          } else {
+              console.error('WooCommerce Blocks API is niet beschikbaar');
+          }
+       }
+     </script>
+     <?php
+}
+
+function load_assets_reset_postcode_on_checkout()
+{
+    if (is_checkout() && !is_wc_endpoint_url()) {
+        wp_enqueue_style(
+            "reset-postcode-style",
+            plugin_dir_url(__FILE__) . "assets/reset-postcode.css",
+            [],
+            "1.0.0",
+        );
+
+        wp_enqueue_script(
+            "reset-postcode-script",
+            plugin_dir_url(__FILE__) . "assets/reset-postcode.js",
+            [],
+            "1.0.0",
+            true,
+        );
+
+        // Pass PHP variables to JavaScript
+        wp_localize_script("reset-postcode-script", "ajax_object", [
+            "ajax_url" => admin_url("admin-ajax.php"),
+            "nonce" => wp_create_nonce("reset_postcode_nonce"), // Creates a secure token
+        ]);
+    }
+}
+
+function handle_unset_session_fetch()
+{
+    // Verify the nonce for security
+    if (!wp_verify_nonce($_POST["nonce"], "reset_postcode_nonce")) {
+        wp_die("Security check failed.");
+    }
+
+    // Unset the specific session variable
+    if (isset($_SESSION["postcode"])) {
+        $_SESSION = [];
+    }
+
+    // Send a JSON response
+    wp_send_json_success();
+}