initialize $bundles for perms call

reserve.inc

@@ -1031,6 +1031,7 @@ function reserve_yyyymmdd($month, $day) {
  *
  */
 function reserve_get_reserve_bundles() {
+  $bundles = array();
   $fieldmap = \Drupal::entityManager()->getFieldMap();
   foreach ($fieldmap as $entity_type => $typedef) {
     foreach ($typedef as $field) {
@@ -1079,13 +1080,16 @@ function ebundle_split($ebundle, $part) {
  *  e.g.: Room (node)
  */
 function ebundles_formatted() {
+  $result = array();
   $info = \Drupal::service("entity_type.bundle.info")->getAllBundleInfo();
   $ebundles = reserve_get_reserve_bundles();
+  if (count($ebundles)) {
     foreach ($ebundles as $ebundle) {
       $type = ebundle_split($ebundle, 'type');
       $bundle = ebundle_split($ebundle, 'bundle');
       $result[$ebundle] = $info[$type][$bundle]['label'] . " ($type)";
     }
+  }
   return $result;
 }
 

src/Controller/ReservePermissions.php

@@ -46,7 +46,7 @@ class ReservePermissions implements ContainerInjectionInterface {
     $permissions = [];
 
     $ebundles = ebundles_formatted();
-
+    if (count($ebundles)) {
       foreach ($ebundles as $ebundle => $bundle) {
         $permissions += [
           'access calendar for ' . $ebundle => [
@@ -54,6 +54,7 @@ class ReservePermissions implements ContainerInjectionInterface {
           ]
         ];
       }
+    }
 
     return $permissions;
   }