protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, RestrictAccessToDeadUsersRequirement requirement)
        {
            var currentUserLogin = context.User.Identity?.Name;

            if (currentUserLogin == null)
            {
                context.Fail();
                return(Task.CompletedTask);
            }

            var deadUserLogins = citizenUserRepository.GetDeadUsers().Select(u => u.Login).ToList();

            if (!deadUserLogins.Contains(currentUserLogin))
            {
                context.Succeed(requirement);
            }
            else
            {
                context.Fail();
            }

            return(Task.CompletedTask);
        }