private static IEnumerable <PermissionType> FilterParentPermissions(
UserToken userToken, EntityToken entityToken, IReadOnlyCollection <PermissionType> permissions)
{
if (!permissions.Any() ||
!ElementFacade.IsPerspectiveEntityToken(entityToken))
{
return(permissions);
}
bool perspectiveVisible = UserPerspectiveFacade.PerspectiveVisible(userToken.Username, entityToken);
if (perspectiveVisible)
{
return(permissions);
}
return(GlobalSettingsFacade.InheritGlobalReadPermissionOnHiddenPerspectives
? permissions.Where(p => p == PermissionType.Read)
: Enumerable.Empty <PermissionType>());
}