public async Task SendConfirmationEmail(SendConfirmationEmailRequestDto sendConfirmationEmailRequest, CancellationToken cancellationToken)
{
var user = await _userManager.FindByEmailAsync(sendConfirmationEmailRequest.Email);
if (user is null)
{
throw new BadRequestException(nameof(ErrorStrings.UserNameNotFound));
}
if (await _userManager.IsEmailConfirmedAsync(user))
{
throw new BadRequestException(nameof(ErrorStrings.EmailAlreadyConfirmed));
}
await SendConfirmationEmail(sendConfirmationEmailRequest, user, cancellationToken);
}
private async Task SendConfirmationEmail(SendConfirmationEmailRequestDto sendConfirmationEmailRequest, User user, CancellationToken cancellationToken)
{
if ((DateTimeOffset.Now - user.ConfirmationEmailRequestedOn) < _appSettings.Value.IdentitySettings.ConfirmationEmailResendDelay)
{
throw new TooManyRequestsExceptions(nameof(ErrorStrings.WaitForConfirmationEmailResendDelay));
}
var token = await _userManager.GenerateEmailConfirmationTokenAsync(user);
var controller = RouteData.Values["controller"] !.ToString();
var confirmationLink = Url.Action(nameof(ConfirmEmail), controller,
new { user.Email, token },
HttpContext.Request.Scheme);
var assembly = typeof(Program).Assembly;
var result = await _fluentEmail
.To(user.Email, user.DisplayName)
.Subject(EmailStrings.ConfirmationEmailSubject)
.UsingTemplateFromEmbedded("TodoTemplate.Api.Resources.EmailConfirmation.cshtml",
new EmailConfirmationModel
{
ConfirmationLink = confirmationLink,
HostUri = new Uri($"{HttpContext.Request.Scheme}://{HttpContext.Request.Host}{HttpContext.Request.PathBase}")
}, assembly)
.SendAsync(cancellationToken);
user.ConfirmationEmailRequestedOn = DateTimeOffset.Now;
await _userManager.UpdateAsync(user);
if (!result.Successful)
{
throw new ResourceValidationException(result.ErrorMessages.ToArray());
}
}
