1 files changed, 12 insertions, 0 deletions
diff --git a/app/php/user/DbUser.php b/app/php/user/DbUser.php
index 896d73d..7e6096c 100644
--- a/app/php/user/DbUser.php
+++ b/app/php/user/DbUser.php
@@ -63,6 +63,18 @@ class DbUser extends TDbUser {
         }
     }
 
+    public function isCalendarPreferred($calendarID) {
+        return in_array(
+            $calendarID,
+            array_map(
+                function($calendar) {
+                    return $calendar->UID;
+                },
+                $this->getCalendarPreference()
+            )
+        );
+    }
+
     public function setTimezonePreference($timezone) {
         if ($this->IsGuest) {
             throw new TInvalidDataException('Timezone preference change impossible for guest user');