gistfile1.cs

[UriTemplate("/api/newsletter")]
    public class PostNewsletter : IPost<Newsletter>, IOutput<NewsletterResponse>
    {
        private static dynamic Data { get { return Database.OpenConnection(GlobalSettings.DbDSN); } }

        public NewsletterResponse Output { get; private set; }

        public Status Post(Newsletter input)
        {
            var exists = Data.NewsletterSignup.FindByEmail(input.Email);

            if ( exists == null)
            {
                Data.NewsletterSignup.Insert(input);
                Output = NewsletterResponse.Inserted();
            }else
            {
                Output = NewsletterResponse.AlreadyExists();
            }

            return 200;
        }
    }

    [UriTemplate("/api/newsletter")]
    public class GetNewsletterSignups : IGet, IOutput<IEnumerable<Newsletter>>
    {
        private static dynamic Data { get { return Database.OpenConnection(GlobalSettings.DbDSN); } }

        public Status Get()
        {
            return 200;
        }

        public IEnumerable<Newsletter> Output
        {
            get
            {
                return Data.NewsletterSignup.All();
            }
        }
    }