/// <summary>
/// Invokes AddCard with each currently registered partner.
/// </summary>
public async Task Invoke()
{
try
{
ResultCode resultCode = ResultCode.None;
// Determine the partner through whom the deal will be claimed.
ICommercePartner partner = SelectPartner();
if (partner == null)
{
resultCode = ResultCode.UnregisteredDeal;
}
else
{
resultCode = await partner.ClaimDealAsync().ConfigureAwait(false);
}
// Check the invoker's response.
if (resultCode == ResultCode.None)
{
throw new InvalidOperationException("Call to partner invoker returned ResultCode.None.");
}
// Return result and updated objects to the caller.
ClaimDealConcluder claimDealConcluder = new ClaimDealConcluder(Context);
claimDealConcluder.Conclude(resultCode);
}
catch (Exception ex)
{
RestResponder.BuildAsynchronousResponse(Context, ex);
}
}
/// <summary>
/// Registers the specified deal to all applicable partners.
/// </summary>
/// <param name="context">
/// The context object containing information on the deal to register.
/// </param>
public RegisterDealInvoker(CommerceContext context)
{
// Save the context.
Context = context;
// Initialize partner operations objects.
Partners = new ICommercePartner[4]
{
new FirstData(Context),
new Amex(Context),
new Visa(Context),
new MasterCard(Context)
};
}
/// <summary>
/// Selects the partner through whom to claim the deal.
/// </summary>
/// <returns>
/// The partner through whom the deal will be claimed.
/// </returns>
/// <remarks>
/// * If the card is an Amex and the deal contains Amex info, claim the deal with Amex.
/// * If the card is a Visa
/// * If the deal contains First Data info, claim the deal with First Data.
/// * Else if the deal contains Visa info and Visa is enabled, claim the deal with Visa.
/// * If the card is a MasterCard
/// * If the deal contains First Data info, claim the deal with First Data.
/// * Else if the deal contains MasterCard info and MasterCard is enabled, claim the deal with MasterCard.
/// </remarks>
private ICommercePartner SelectPartner()
{
ICommercePartner result = null;
// Find partner information within the deal.
Card card = (Card)Context[Key.Card];
Deal deal = (Deal)Context[Key.Deal];
PartnerDealInfo amexDealInfo = null;
PartnerDealInfo firstDataPartnerDealInfo = null;
PartnerDealInfo visaDealInfo = null;
PartnerDealInfo masterCardDealInfo = null;
foreach (PartnerDealInfo partnerDealInfo in deal.PartnerDealInfoList)
{
switch (partnerDealInfo.PartnerId)
{
case Partner.Amex:
amexDealInfo = partnerDealInfo;
break;
case Partner.FirstData:
firstDataPartnerDealInfo = partnerDealInfo;
break;
case Partner.Visa:
visaDealInfo = partnerDealInfo;
break;
case Partner.MasterCard:
masterCardDealInfo = partnerDealInfo;
break;
}
}
// Determine the partner with whom to claim the deal.
switch (card.CardBrand)
{
case CardBrand.AmericanExpress:
if (amexDealInfo != null)
{
result = new Amex(Context);
}
break;
case CardBrand.Visa:
if (firstDataPartnerDealInfo != null)
{
result = new FirstData(Context);
}
else if (visaDealInfo != null)
{
result = new Visa(Context);
}
break;
case CardBrand.MasterCard:
if (firstDataPartnerDealInfo != null)
{
result = new FirstData(Context);
}
else if (masterCardDealInfo != null)
{
result = new MasterCard(Context);
}
break;
}
return(result);
}
