diff --git a/public/js/blue-twilight.js b/public/js/blue-twilight.js
index a189213..6bc6872 100644
--- a/public/js/blue-twilight.js
+++ b/public/js/blue-twilight.js
@@ -22245,6 +22245,44 @@ function AboutViewModel(urls) {
         }
     };
 }
+
+/**
+ * This model is used by admin/settings.blade.php.
+ * @constructor
+ */
+function SettingsViewModel(urls, lang) {
+    this.el = '#settings-app';
+
+    this.data = {
+        is_rebuilding_permissions_cache: false
+    };
+
+    this.methods = {
+        rebuildPermissionsCache: function (e) {
+            var self = this;
+
+            $.ajax(
+                urls.rebuild_permissions_cache,
+                {
+                    complete: function() {
+                        self.is_rebuilding_permissions_cache = false;
+                    },
+                    dataType: 'json',
+                    error: function (xhr, textStatus, errorThrown) {
+                        alert(lang.permissions_cache_rebuild_failed);
+                    },
+                    method: 'POST',
+                    success: function (data) {
+                        alert(lang.permissions_cache_rebuild_succeeded);
+                    }
+                }
+            );
+
+            e.preventDefault();
+            return false;
+        }
+    };
+}
 /**
  * This model is used by admin/analyse_album.blade.php, to analyse all images.
  * @constructor