public async Task <TFlowResponse> Handle(TFlowRequest flowRequest, CancellationToken cancellationToken)
{
// TODO: Respect the cancellation token
var flowContext = new FlowContext(typeof(TFlowRequest), flowRequest.FlowContext);
try
{
var stopWatch = new Stopwatch();
stopWatch.Start();
using (flowContext.IsRootFlow ? _logger?.BeginFlowScope(flowContext) : null)
{
_logger?.LogFlowRequest(flowContext, flowRequest);
var flowDefinition = ResolveFlowDefinition(flowRequest, flowContext);
var flowValues = GetInitialFlowValues(flowDefinition, flowRequest);
var flowTrace = new FlowTrace();
var flowStepIndex = 0;
while (flowStepIndex < flowDefinition.Steps.Count)
{
var flowStep = flowDefinition.Steps[flowStepIndex];
var stepFlowContext = flowContext.GetStepContext(flowStep.Name);
OnDebugEvent(flowStep.Name, FlowDebugEvent.PreStep, flowValues);
flowStepIndex =
await PerformFlowStep(
stepFlowContext, flowDefinition, flowStep, flowStepIndex, flowValues, flowTrace, cancellationToken);
OnDebugEvent(flowStep.Name, FlowDebugEvent.PostStep, flowValues);
}
var flowResponse = BuildFlowResponse(flowContext, flowDefinition, flowTrace, flowValues);
stopWatch.Stop();
_logger?.LogFlowResponse(flowContext, flowResponse, stopWatch.ElapsedMilliseconds);
return(flowResponse);
}
}
catch (Exception ex) when(LogFlowError(flowContext, flowRequest, ex))
{
throw;
}
}
