include admin page, bump version number

admin.php

@@ -0,0 +1,142 @@
+<?php
+
+function init_postode_admin()
+{
+    add_action("admin_menu", "local_postcodes_admin_menu", 99);
+    add_action("admin_head", "local_postcodes_admin_css");
+    add_action("admin_init", "local_postcodes_register_settings"); // Correct
+}
+
+function local_postcodes_admin_menu()
+{
+    add_submenu_page(
+        "woocommerce", // Parent menu slug
+        "Lokale Postcodes", // Page title
+        "Lokale Postcodes", // Menu title
+        "manage_options", // Capability
+        "local-postcodes", // Menu slug
+        "generate_admin_page", // Callback function
+        "dashicons-buddicons-pm", // Optional icon URL or dashicon
+    );
+}
+
+function local_postcodes_register_settings()
+{
+    register_setting(
+        "my_plugin_options",
+        "local_postcodes_values",
+        "local_postcodes_input_validate",
+    );
+}
+
+function generate_admin_page()
+{
+    ?>
+    <div class="wrap">
+        <h1><span class="dashicons dashicons-admin-home"></span> Lokale Postcodereeksen</h1>
+        <?php settings_errors("local_postcodes_error_messages"); ?>
+        <div class="info">
+        <p class="info">Vul hier de lokale postcodereeksen in.</p>
+        <ul>
+            <li>Het formaat voor een reeks is #### | #### (voorbeeld: 5000 | 5199).</li>
+            <li>Plaats één reeks op één regel.</li>
+            <li>Om een reeks te verwijderen. Wis de reeks en sla vervolgens de wijzigen op.</li>
+        </ul>
+        </div>
+        <form id="postcodes_form" method="post" action="options.php">
+            <?php
+            settings_fields("my_plugin_options");
+            do_settings_sections("my_plugin_options");
+            ?>
+            <textarea id="local_postcodes_values" name="local_postcodes_values"><?php echo esc_textarea(
+                get_option("local_postcodes_values"),
+            ); ?></textarea>
+            <?php submit_button(); ?>
+        </form>
+    </div>
+    <?php
+}
+
+function local_postcodes_admin_css()
+{
+    ?>
+    <style>
+        h1 .dashicons{
+            font-size: 25px;
+
+        }
+
+        .info {
+            font-size: 1.1rem;
+            max-width: 60ch;
+
+            ul {
+                list-style: square inside;
+            }
+        }
+
+        #postcodes_form {
+            display: flex;
+            flex-direction: column;
+            max-width: 60ch;
+            align-items: flex-end;
+            font-size: 1.1rem;
+
+            #local_postcodes_values{
+                width: 100% !important;
+                height: 50vh !important;
+                font-size: 1.1rem;
+            }
+
+
+            .submit{
+                margin-top: .2rem;
+            }
+        }
+    </style>';
+    <?php
+}
+
+function local_postcodes_input_validate($input)
+{
+    $valid_input = "";
+    $lines = preg_split("/\R/", $input, -1, PREG_SPLIT_NO_EMPTY);
+    $pattern = '/^\d{4}\s*\|\s*\d{4}$/';
+    $pc_arr = [];
+
+    foreach ($lines as $line) {
+        $line = trim($line);
+        if (preg_match($pattern, $line)) {
+            $parts = explode("|", $line);
+            $first = (int) $parts[0];
+            $second = (int) $parts[1];
+
+            if ($first <= $second) {
+                $pc_arr[] = [$first, $second];
+            } else {
+                $pc_arr[] = [$second, $first];
+            }
+        } else {
+            add_settings_error(
+                "local_postcodes_error_messages",
+                "invalid_postcode_" . md5($line),
+                'Ongeldige regel: "' .
+                    esc_html($line) .
+                    '". Gebruik het formaat #### | ####.(bijvoorbeeld: 5000 | 5199)',
+                "error",
+            );
+        }
+    }
+
+    // Sorteer de VOLLEDIGE array NA de foreach-lus
+    usort($pc_arr, function ($a, $b) {
+        return $a[0] <=> $b[0];
+    });
+
+    // Bouw $valid_input op uit de gesorteerde $pc_arr
+    foreach ($pc_arr as $range) {
+        $valid_input .= $range[0] . " | " . $range[1] . "\n";
+    }
+
+    return $valid_input;
+}

assets/postcode_modal.css

@@ -1,47 +1,67 @@
 .postcode_modal {
-    border-radius: 20px;
-    box-shadow(10px);
+    border-radius: 3px;
     border: none;
-    max-width: 80ch;
-    box-shadow: 0 0 20pc black;
+    max-width: 65ch;
     padding: 2rem;
+    padding-bottom: 1rem;
     opacity: 0;
-    transition: opacity 0.3s ease, display 0.3s allow-discrete;
+    transition:
+        opacity 0.3s ease,
+        display 0.3s allow-discrete;
 
     &[open] {
         opacity: 1;
         transition-behavior: allow-discrete;
-      transition: opacity 0.3s ease, display 0.3s allow-discrete;
+        transition:
+            opacity 0.3s ease,
+            display 0.3s allow-discrete;
+    }
+
+    h2 {
+        font-size: 1.1rem;
+        font-weight: 700;
+    }
+
+    p {
+        font-size: 1rem;
     }
 
     &:not([open]) {
         display: none;
     }
 
-    h2 {
-      font-size: 1.5rem;
-      margin: .6rem;
+    form {
+        margin-top: 1rem;
     }
 
     input[type="text"] {
-        padding: .3rem;
-        font-size: 1.4rem;
-        caret-color: hsl(344 98 40);
+        padding: 0.3rem;
+        font-size: 1.2rem;
+        caret-color: var(--wp--preset--color--vivid-red);
+        background: hsl(0 1 80);
+        border: none;
+
+        &:focus,
+        &:valid,
+        &:invalid,
+        &:autofill,
+        &:autofill:focus {
+            background: hsl(0 1 80) !important;
+        }
     }
 
     button {
-        border: none;
-        font-size: 1.4rem;
+        font-size: 1.2rem;
+        font-weight: 700;
         color: hsl(233 100 100);
-        padding: .4rem 1rem;
-        border-radius: 5px;
-        background: hsl(344 98 40);
-        border: 1px hsl(344 98 40) solid;
-        margin: 0 0 0 .3rem;
-        transition: .2s all linear;
-
+        padding: 0.4rem 1rem;
+        background: var(--wp--preset--color--vivid-red);
+        border: 1px var(--wp--preset--color--vivid-red) solid;
+        margin: 0 0 0 0.3rem;
+        transition: 0.2s all linear;
+        padding: 0.2em 2.5em;
         &:hover {
-            color: hsl(344 98 40 );
+            color: var(--wp--preset--color--vivid-red);
             background: hsl(344 98 100);
             cursor: pointer;
         }
@@ -51,20 +71,19 @@
         display: flex;
         justify-content: space-between;
         align-items: center;
-
-        &>{
+        div {
             display: flex;
+            gap: 1.5rem;
         }
     }
 
     &::backdrop {
-        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%);
+        backdrop-filter: blur(2px);
+        background: hsl(0 1 65 / 0.6);
     }
 
     .error_message_modal_postcode {
         min-height: 1lh;
-        color: hsl(344 98 40 );
+        color: var(--wp--preset--color--vivid-red);
     } /* HTML: <div class="loader"></div> */
 }

prijs-per-postcode.php

@@ -1,12 +1,12 @@
 <?php
 
-session_start();
-require_once "session_dialog.php";
+require_once plugin_dir_path(__FILE__) . "session_dialog.php";
+require_once plugin_dir_path(__FILE__) . "admin.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
+ * Version: 0.9.4
  * Text Domeain: prijs-per-postcode
  */
 
@@ -19,15 +19,21 @@ class PrijsPerPostcode
 {
     public function __construct()
     {
-        add_action("init", [$this, "init"]);
+        add_action("init", [$this, "init"], 1);
         add_action("rest_api_init", "register_modal_api");
     }
 
     public function init()
     {
+        if (session_status() == PHP_SESSION_NONE) {
+            ob_start();
+            @session_start();
+        }
         $uri = $_SERVER["REQUEST_URI"];
-        add_filter("woocommerce_sale_flash", "__return_null");
         init_postcode_handlers($uri);
+        init_postode_admin();
+
+        add_filter("woocommerce_sale_flash", "__return_null");
 
         //add_action("template_redirect", [$this, "redirect_if_missing_tag"]);
         add_action(
@@ -57,6 +63,18 @@ class PrijsPerPostcode
             $this,
             "controleer_postcode_op_woocommerce_paginas",
         ]);
+        add_filter(
+            "woocommerce_variation_is_visible",
+            [$this, "filter_variation_by_local_price"],
+            10,
+            4,
+        );
+        add_filter(
+            "gettext",
+            [$this, "change_variation_regular_price_label"],
+            99,
+            3,
+        );
     }
 
     public function add_local_price_field($loop, $variation_data, $variation)
@@ -155,6 +173,53 @@ class PrijsPerPostcode
         }
         return $price_html;
     }
+
+    function filter_variation_by_local_price(
+        $visible,
+        $variation_id,
+        $parent_id,
+        $variation,
+    ) {
+        // Ensure $variation is a valid object
+        if (!$variation instanceof WC_Product_Variation) {
+            $variation = wc_get_product($variation_id);
+        }
+
+        if (!$variation) {
+            return false;
+        }
+
+        $is_local = isset($_SESSION["postcode_is_local"])
+            ? $_SESSION["postcode_is_local"]
+            : false;
+        $price = $is_local
+            ? $variation->get_meta("_local_price", true)
+            : $variation->get_regular_price();
+
+        if (empty($price) || floatval($price) == 0) {
+            return false;
+        }
+
+        return $visible;
+    }
+
+    public function change_variation_regular_price_label(
+        $translated_text,
+        $text,
+        $domain,
+    ) {
+        if (
+            "woocommerce" === $domain &&
+            is_admin() &&
+            isset($_REQUEST["action"]) &&
+            "woocommerce_load_variations" === $_REQUEST["action"]
+        ) {
+            if ($translated_text === "Reguliere prijs (%s)") {
+                $translated_text = "Prijs overige regios (%s)";
+            }
+        }
+        return $translated_text;
+    }
 }
 
 new PrijsPerPostcode();

session_dialog.php

@@ -106,30 +106,38 @@ 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="" novalidation>
+        <p>Onze prijzen zijn afhankelijk van de regio. Vul daarom de postcode en het huisnummer in om de exacte prijzen te bekijken.</p>
+        <form id="postcode_modal_form" method="post" action="" novalidate>
             <div class="form_fields">
                 <div>
-                    <input type="text" name="postcode"
+                    <!-- Dutch Postcode Field -->
+                    <input
+                        type="text"
+                        name="postcode"
                         title="Voer een geldige Nederlandse postcode in (bijv. 1234AB of 1234 AB)."
                         pattern="[1-9][0-9]{3} ?(?!sa|sd|ss)[a-zA-Z]{2}"
-                        placeholder= "1010 AA"
+                        placeholder="5010 AA"
                         size="10"
                         required
+                        autocomplete="off"
                     />
 
-                    <input type="text" name="huisnummer"
-                        pattern="/\d+([-\\s]?[a-zA-Z]+)?/"
+                    <!-- House Number Field -->
+                    <input
+                        type="text"
+                        name="huisnummer"
                         title="Voer een geldig huisnummer in (bijv. 1, 1A, 1-A, 1a)."
-                        placeholder= "12A"
+                        pattern="\d+([- ]?[a-zA-Z]+)?"
+                        placeholder="10"
                         size="5"
                         required
+                        autocomplete="off"
                     />
                 </div>
-                <button id="postcode_modal_submit" type="submit">verzend</button>
+                <button id="postcode_modal_submit" type="submit">OK</button>
             </div>
         </form>
         <div class="error_message_modal_postcode" id="error_message_modal_postcode" aria-live="polite"></div>
-        <div class="loader_modal"></div>
     </dialog>
     <?php
 }
@@ -182,21 +190,13 @@ function handle_postcode_modal($data)
         $_SESSION["straatnaam"] = $result["straatnaam"];
         $_SESSION["woonplaats"] = $result["woonplaats"];
 
-        $_SESSION["postcode_is_local"] = postcode_in_range(
-            $params["postcode"],
-            5000,
-            5800,
-        );
+        $_SESSION["postcode_is_local"] = postcode_in_range($params["postcode"]);
 
         $resp = [
             "status" => "success",
             "message" => "all good",
             "straatnaam" => $result["straatnaam"],
-            "lokaal_trarief" => postcode_in_range(
-                $params["postcode"],
-                5000,
-                5800,
-            ),
+            "lokaal_trarief" => postcode_in_range($params["postcode"]),
         ];
     } else {
         $resp = [
@@ -270,8 +270,17 @@ function getStraatnaam($postcode, $huisnummer)
     ];
 }
 
-function postcode_in_range($postcode, $start, $end)
+function postcode_in_range($postcode)
 {
+    $vals = get_option("local_postcodes_values", "");
+    $rows = preg_split("/\R/", $vals, -1, PREG_SPLIT_NO_EMPTY);
+    $pc_arr = [];
+
+    foreach ($rows as $row) {
+        $row = trim($row);
+        $postcode_range = explode("|", $row);
+        $pc_arr[] = [(int) $postcode_range[0], (int) $postcode_range[1]];
+    }
     $cleanPostcode = strtoupper(preg_replace("/\s+/", "", $postcode));
 
     if (!preg_match('/^\d{4}[A-Z]{2}$/', $cleanPostcode)) {
@@ -280,7 +289,12 @@ function postcode_in_range($postcode, $start, $end)
 
     $numberPart = (int) substr($cleanPostcode, 0, 4);
 
-    return $numberPart >= $start && $numberPart <= $end;
+    foreach ($pc_arr as $pc_to_check) {
+        if ($numberPart >= $pc_to_check[0] && $numberPart <= $pc_to_check[1]) {
+            return true;
+        }
+    }
+    return false;
 }
 
 function modify_checkout_with_js()