/// <summary>
/// Ensures the offer is valid.
/// </summary>
/// <param name="seed">
/// The seed.
/// </param>
/// <returns>
/// The <see cref="Attempt"/>.
/// </returns>
private Attempt <IOfferResult <object, object> > EnsureValidOffer(IOfferResult <object, object> seed)
{
// verify a reward has been configured
if (Reward == null)
{
seed.Messages.Add("This offer does not have a reward configured");
return(Attempt <IOfferResult <object, object> > .Fail(seed, new OfferRedemptionException("Offer does not have a configured award")));
}
// ensure the offer is active
if (!Settings.Active)
{
seed.Messages.Add("Offer is not active");
return(Attempt <IOfferResult <object, object> > .Fail(seed, new OfferRedemptionException("Offer is not active")));
}
// ensure the offer has not expired
if (Settings.Expired)
{
seed.Messages.Add("Offer has expired");
return(Attempt <IOfferResult <object, object> > .Fail(seed, new OfferRedemptionException("Offer has expired")));
}
// verify an offer processor is available for the offer
if (OfferProcessor == null)
{
seed.Messages.Add("An offer processor could not be resolved for this offer. Custom offers must have custom offer processors defined.");
return(Attempt <IOfferResult <object, object> > .Fail(seed, new OfferRedemptionException("Offer processor was not resolved")));
}
// success
return(Attempt <IOfferResult <object, object> > .Succeed(seed));
}
/// <summary>
/// The populate constraint offer result.
/// </summary>
/// <param name="seed">
/// The seed.
/// </param>
/// <param name="constraintAttempt">
/// The constraint attempt.
/// </param>
/// <returns>
/// The offer result.
/// </returns>
private static IOfferResult <object, object> PopulateConstraintOfferResult(IOfferResult <object, object> seed, Attempt <object> constraintAttempt)
{
if (!constraintAttempt.Success)
{
seed.Award = null;
seed.ValidatedAgainst = constraintAttempt.Result;
seed.Messages.AddRange(
new[] { "Did not pass constraint validation.", constraintAttempt.Exception.Message });
}
else
{
seed.Messages.Add("PASSED - Constraint validation");
}
return(seed);
}
