public NewsletterResult SaveNewsletter(NewsletterResult newsletterResult)
{
if (newsletterResult == null || newsletterResult.NewsletterForm == null)
{
throw new ArgumentNullException("No NewsletterForm send");
}
if (string.IsNullOrEmpty(newsletterResult.NewsletterForm.Email))
{
throw new ArgumentException("Empty email", nameof(newsletterResult.NewsletterForm.Email));
}
var newsletterDto = NewsletterParse(newsletterResult);
if (_newsletterRepository.GetByEmail(newsletterDto.Email) == null)
{
newsletterDto.Id = 0;
newsletterDto = _newsletterRepository.Insert(newsletterDto);
}
else
{
newsletterDto = _newsletterRepository.GetByEmail(newsletterDto.Email);
}
return(NewsletterParse(newsletterDto));
}