public async Task <IActionResult> ResetPassword(string email)
        {
            var link = $"{Request.Scheme}://{Request.Host}{Request.PathBase}"
                       + "/Account/ResetPasswordFinish";
            var u = await _appUsersService.FindByEmailAsync(email);

            if (u is not null)
            {
                await _appUsersService.SendPasswordResetEmail(u, link);
            }
            return(RedirectToAction(nameof(ResetPasswordSent)));
        }