working on permissions

src/main/java/de/srsoftware/widerhall/data/User.java

@@ -56,7 +56,7 @@ public class User {
 
     public void addPermission(int newPermission) throws SQLException {
         permissions |= newPermission;
-        Database.open().update(TABLE_NAME).set(PERMISSIONS,permissions).run();
+        Database.open().update(TABLE_NAME).set(PERMISSIONS,permissions).where(EMAIL,email()).run();
     }
 
 
@@ -84,6 +84,11 @@ public class User {
         Database.open().query(sql).run();
     }
 
+    public void dropPermission(int newPermission) throws SQLException {
+        permissions ^= (permissions & newPermission);
+        Database.open().update(TABLE_NAME).set(PERMISSIONS,permissions).run();
+    }
+
     public boolean hashPermission(int permission){
         return (permissions & permission) > 0;
     }