COA.EnterpriseServices/COA.EnterpriseServices.Creditors/CreditorLibrary.cs

using COA.EnterpriseServices.DataAccess.Helpers;

namespace COA.EnterpriseServices.Creditors
{
    public class CreditorLibrary
    {
        private readonly CreditorHelper creditorHelper;

        public CreditorLibrary(CreditorHelper creditorHelper)
        {
            this.creditorHelper = creditorHelper;
        }

        public string GetCreditorStatus(int creditorId)
        {
            var creditor = creditorHelper.GetCreditor(creditorId);

            return creditor.creditorStatus;
        }

        public bool SetCreditorStatus(int creditorId, string status)
        {
            return creditorHelper.SetCreditorStatus(creditorId, status);
        }

        public void AddOfferResponse(OfferResponse response)
        {
            var creditor = creditorHelper.GetCreditor(response.CreditorId);

            // manipulate creditor object directly

            creditorHelper.UpdateCreditor(creditor);

            // or have individual methods
            creditorHelper.SetOriginalCreditorAsPrimary(response.CreditorId);
        }
    }
}