private RoleRM CreateRole(Commands.V1.Role.Create cmd)
{
if (_repository.RoleExists(cmd.RoleName))
{
throw new InvalidOperationException($"Role with name {cmd.RoleName} already exists");
}
Role role = Role.Create(_roles++, RoleName.Create(cmd.RoleName), RoleDescription.Create(cmd.RoleDescription),
cmd.IsActive);
_repository.AddRole(role);
return(Conversions.GetRoleRM(role));
}