/// <summary>
/// Constructs the permissions view model
/// </summary>
/// <param name="optionService"></param>
public PermissionsViewModel(OptionService optionService)
{
if (optionService == null)
{
throw new ArgumentNullException("optionService");
}
this.PermissionSortOrder = 0;
this.RoleSortOrder = 0;
this.UserNameSortOrder = 0;
this.UserRoleSortOrder = 0;
OptionService = optionService;
UserRoleList = OptionService.RetrieveUserRoleList();
PermissionRoleList = OptionService.RetrieveRolePermissionList();
}