fix: user preference not retrieved correctly

extend.php

@@ -12,6 +12,7 @@
 namespace FoF\GeoIP;
 
 use Flarum\Api\Controller;
+use Flarum\Api\Serializer\BasicUserSerializer;
 use Flarum\Api\Serializer\PostSerializer;
 use Flarum\Extend;
 use Flarum\Frontend\Document;
@@ -70,6 +71,11 @@
     (new Extend\User())
         ->registerPreference('showIPCountry', 'boolval', false),
 
+    (new Extend\ApiSerializer(BasicUserSerializer::class))
+        ->attribute('showIPCountry', function (BasicUserSerializer $serializer, $user) {
+            return (bool) $user->getPreference('showIPCountry');
+        }),
+
     (new Extend\Conditional())
         ->whenExtensionEnabled('fof-default-user-preferences', fn () => [
             (new \FoF\DefaultUserPreferences\Extend\RegisterUserPreferenceDefault())

js/src/forum/extend.ts

@@ -1,11 +1,15 @@
 import Extend from 'flarum/common/extenders';
 import IPInfo from './models/IPInfo';
 import Post from 'flarum/common/models/Post';
+import User from 'flarum/common/models/User';
 
 export default [
   new Extend.Store() //
     .add('ip_info', IPInfo),
 
   new Extend.Model(Post) //
     .hasOne('ip_info'),
+
+  new Extend.Model(User) //
+    .attribute('showIPCountry'),
 ];

js/src/forum/extenders/extendCommentPost.tsx

@@ -10,7 +10,7 @@ export default function extendCommentPost() {
     if (app.forum.attribute<boolean>('fof-geoip.showFlag')) {
       const ipInfo = this.attrs.post.ip_info?.();
       const postUser = this.attrs.post.user();
-      if (postUser && postUser?.preferences?.().showIPCountry && ipInfo) {
+      if (postUser && postUser.showIPCountry() && ipInfo) {
         const { image } = getIPData(ipInfo);
         if (image) {
           items.add('country', image, 100);