fix error messages, made redirects when postcode is unknown

session_dialog.php

@@ -12,6 +12,9 @@ function if_needed_place_postcode_form($uri)
         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");
         }
     }
@@ -65,7 +68,20 @@ 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"){
@@ -108,7 +124,7 @@ function render_dialog_html()
                 <button id="postcode_modal_submit" type="submit">verzend</button>
             </div>
         <form>
-        <div class="error_message" id="error_message"></div>
+        <div class="error_message_modal_postcode" id="error_message_modal_postcode"></div>
     </dialog>
     <?php
 }