public async Task <string> SendEmailConfirmationToken(string email)
{
var user = await _userManager.FindByEmailAsync(email);
var token = await _userManager.SaveEmailConfirmationToken(_userStore, user, _configuration);
var baseUrl = _configuration["ApplicationUrl:localhost"];
var callbackUrl = $"{baseUrl}/login/{token}";
_messageSender.SendEmail("Confirm Account", _messageSender.GetActivationTemplateId(), user, callbackUrl);
return(token);
}