public IHttpActionResult AddRolePermission(Guid roleId, Guid permissionId)
{
if (roleId == Guid.Empty)
{
throw new ArgumentException("roleId must be defined.");
}
if (permissionId == Guid.Empty)
{
throw new ArgumentException("permissionId must be defined.");
}
identityManagementService.AddRolePermission(roleId, permissionId);
return(Ok());
}