private FindPaymentRequest PrepareFindPaymentRequest(CodeActivityContext executionContext, LocalWorkflowContext crmWorkflowContext, ITracingService tracingService)
{
string paymentId = LookupPaymentId.Get(executionContext);
tracingService.Trace("PrepareFindPaymentRequest trying paymentId: {0}", paymentId);
if (string.IsNullOrWhiteSpace(paymentId))
{
string paymentRefNum = LookupPaymentReferenceNumber.Get(executionContext);
tracingService.Trace("PrepareFindPaymentRequest trying paymentRefNum: {0}", paymentRefNum);
// Try to get the payment id from the Payment reference number
paymentId = crmWorkflowContext.OrganizationService.GetPaymentIdFromPaymentReferenceNumber(paymentRefNum, tracingService);
}
if (string.IsNullOrWhiteSpace(paymentId))
{
tracingService.Trace("PrepareFindPaymentRequest Could not find payment id, returning {0}", paymentId);
throw new ArgumentException("paymentRefNum");
}
tracingService.Trace("PrepareFindPaymentRequest using paymentId: {0}", paymentId);
FindPaymentRequest apiRequest = new FindPaymentRequest
{
PaymentId = paymentId
};
return(apiRequest);
}
/// <summary>
/// Executes the WorkFlow.
/// </summary>
/// <param name="crmWorkflowContext">The <see cref="WorkFlowActivityBase.LocalWorkflowContext"/> which contains the
/// <param name="executionContext" > <see cref="CodeActivityContext"/>
/// </param>
/// <remarks>
/// For improved performance, Microsoft Dynamics 365 caches WorkFlow instances.
/// The WorkFlow's Execute method should be written to be stateless as the constructor
/// is not called for every invocation of the WorkFlow. Also, multiple system threads
/// could execute the WorkFlow at the same time. All per invocation state information
/// is stored in the context. This means that you should not use global variables in WorkFlows.
/// </remarks>
public override void ExecuteCRMWorkFlowActivity(CodeActivityContext executionContext, LocalWorkflowContext crmWorkflowContext)
{
var tracingService = executionContext.GetExtension <ITracingService>();
tracingService.Trace("FindPayment starting...");
try
{
// 1. Validation
ValidateNotNull(crmWorkflowContext);
// 2. Prepare API Request
tracingService.Trace("Calling PrepareFindPaymentRequest...");
FindPaymentRequest apiRequest = this.PrepareFindPaymentRequest(executionContext, crmWorkflowContext, tracingService);
// 3. Retrieve Configuration
tracingService.Trace("Calling RetrieveCardPaymentServiceConfiguration...");
RestServiceConfiguration cardServiceConfiguration = this.RetrieveCardPaymentServiceConfiguration(executionContext, ConfigurationPrefix.Get(executionContext));
// 4. Set-up the Api Service
tracingService.Trace("Instantiating CardPaymentService...");
CardPaymentService cardPaymentService = new CardPaymentService(cardServiceConfiguration);
// 5. Call the API
tracingService.Trace("Calling GovPay FindPayment...");
FindPaymentResponse apiResponse = cardPaymentService.FindPayment(apiRequest);
// 6. Return the response
tracingService.Trace("Calling PrepareOutputParameters...");
this.PrepareOutputParameters(executionContext, apiResponse, tracingService);
}
catch (Exception ex)
{
// Todo: Log the Error
tracingService.Trace("Exception: " + ex);
throw ex;
}
}
public FindPaymentResponse FindPayment(FindPaymentRequest request)
{
using (this.Httpclient)
{
// 1. Call API
// Todo: Implement retry orchestration
HttpResponseMessage result;
try
{
result = Get(CardServiceConstants.FindPaymentCommand + "/" + request.PaymentId);
}
catch (Exception ex)
{
return(new FindPaymentResponse
{
error_message = ex.Message,
state = new State
{
status = ErrorState
}
});
}
// 2. Check Request Status
if (result.IsSuccessStatusCode)
{
// 3. Parse Response
return(ParseResponse <FindPaymentResponse>(result.Content));
}
else
{
//4. Handle Errors
throw new ApplicationException($"There was an error calling the api {CardServiceConstants.FindPaymentCommand}: {result.StatusCode} - {result.StatusCode}");
}
}
}
