UHF-9378: move user role logic to theme file

hdbt.theme

@@ -141,8 +141,20 @@ function hdbt_preprocess_html(&$variables): void {
 
   $variables['#attached']['library'][] = 'hdbt/cssmenu';
 
-  // Add Matomo analytics.
-  $variables['#attached']['library'][] = 'hdbt/matomo';
+  // Add Matomo analytics for certain users (now anonymous only)
+  // Possibly some other roles on future
+  $user_roles = Drupal::currentUser()->getAccount()->getRoles();
+  $allowed_roles = ['anonymous']; // To be expanded if needed
+  $add_matomo = false;
+  foreach($user_roles as $role) {
+    if (in_array($role, $allowed_roles)) {
+      $add_matomo = true;
+      break;
+    }
+  }
+  if ($add_matomo) {
+    $variables['#attached']['library'][] = 'hdbt/matomo';
+  }
 
   // Disable Genesys button if the chat element does not exist.
   $variables['#attached']['library'][] = 'hdbt/disable_genesys_button';

src/js/matomo.js

@@ -1,27 +1,12 @@
 // eslint-disable-next-line func-names
 (function ($, Drupal) {
   function loadMatomoAnalytics() {
-    // Check if the user qualifies for Matomo
-    let followUser = false;
-    // Currently limited to anonymous users, might need some role
-    // based ID fetching later on
-    const followedUserIds = [0];
-
-    try {
-      followUser = followedUserIds.includes(drupalSettings.user.uid);
-    } catch (err) {
-      console.log('user settings not available');
-    }
-
     if (typeof Drupal.eu_cookie_compliance === 'undefined') {
       return;
     }
 
     // Load Matomo only if statistics cookies are allowed.
-    if (
-      Drupal.eu_cookie_compliance.hasAgreed('statistics') &&
-      followUser
-    ) {
+    if (Drupal.eu_cookie_compliance.hasAgreed('statistics')) {
       // Matomo Tag Manager
       // eslint-disable-next-line no-multi-assign
       const _mtm = (window._mtm = window._mtm || []);