private async Task <ValidationErrorList> ValidateReferrer(Subscription subscription, ValidationErrorList errorList)
{
_logger.ForContext <NewsletterService>().Debug("ValidateName(subscription: {@Subscription})", subscription);
if (string.IsNullOrWhiteSpace(subscription.Referrer))
{
errorList.AddError(nameof(subscription.Referrer), "required");
}
return(errorList);
}
private async Task <ValidationErrorList> ValidateEmail(Subscription subscription, ValidationErrorList errorList)
{
_logger.ForContext <NewsletterService>().Debug("ValidateEmail(subscription: {@Subscription})", subscription);
if (string.IsNullOrWhiteSpace(subscription.Email))
{
errorList.AddError(nameof(subscription.Email), "required");
}
if (!string.IsNullOrWhiteSpace(subscription.Email) &&
(!new EmailAddressAttribute().IsValid(subscription.Email) ||
!Regex.Match(subscription.Email, @"^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$", RegexOptions.IgnoreCase).Success))
{
errorList.AddError(nameof(subscription.Email), "email");
}
if (await _db.Subscriptions.AnyAsync(s => s.Email == subscription.Email))
{
errorList.AddError(nameof(subscription.Email), "existingEmail");
}
return(errorList);
}
public async Task <ValidationErrorList> ValidateSubscription(Subscription subscription)
{
_logger.ForContext <NewsletterService>().Information("ValidateSubscription(subscription: {@Subscription})", subscription);
ValidationErrorList errorList = new ValidationErrorList();
if (subscription == null)
{
errorList.AddError("form", "nullSubscription");
return(errorList);
}
await ValidateEmail(subscription, errorList);
await ValidateReferrer(subscription, errorList);
return(errorList);
}
public async Task <ApiResponse <bool> > Subscribe(Subscription subscription)
{
_logger.ForContext <NewsletterService>().Information("Subscribe(subscription: {@Subscription})");
var errorList = new ValidationErrorList();
try
{
subscription.StartDate = DateTime.UtcNow;
_db.Subscriptions.Add(subscription);
await _db.SaveChangesAsync();
}
catch (Exception ex)
{
_logger.Error(ex, "Unhandled Exception");
errorList.AddError("form", "unknownError");
return(new ApiResponse <bool>(false, errorList.Errors));
}
return(new ApiResponse <bool>(true, null));
}