public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
User user = await _userManager.FindByEmailAsync(request.Email);
if (await _userManager.IsEmailConfirmedAsync(user))
{
throw new ValidationException(new[] { new ValidationFailure(nameof(request.Email), "The email address is already confirmed") });
}
IdentityResult confirmEmailResult = await _userManager.ConfirmEmailAsync(user, request.Token);
if (confirmEmailResult.Succeeded)
{
return(Unit.Value);
}
if (confirmEmailResult.Errors.FirstOrDefault()?.Description.Contains("Invalid token") == true)
{
throw new ValidationException(new ValidationFailure[] { new ValidationFailure(nameof(request.Token), "The supplied token is invalid or has expired") });
}
throw new IdentityException("Problem confirming email", confirmEmailResult.Errors);
}