protected async Task <IActionResult> RunTrigger(HttpRequest req, IDurableOrchestrationClient starter, int version, string entityId, ILogger log)
{
req.ApplyThreadCulture();
var changeRequest = await req.ReadAsObjectAsync <ChangeRequest>(_workforceIntegrationOptions.WorkforceIntegrationSecret).ConfigureAwait(false);
ChangeResponse changeResponse = new ChangeResponse(changeRequest);
if (IsPassThroughRequest(req.Headers))
{
// as this change has occurred as a result of a connector action, bypass all further processing
return(new ChangeSuccessResult(changeResponse));
}
log.LogChangeRequest(changeRequest, entityId);
if (!TryValidateChangeRequest(changeRequest, version, entityId, log, out var validationResponse))
{
return(validationResponse);
}
IActionResult actionResult = null;
try
{
bool handled = false;
foreach (var handler in _handlers)
{
if (handler.CanHandleChangeRequest(changeRequest, out var changeItemRequest))
{
log.LogTrace("Change Request handled by: {handlerName}", handler.GetType().Name);
if (TryValidateChangeItemRequest(changeItemRequest, changeResponse, out validationResponse))
{
actionResult = await handler.HandleRequest(changeRequest, changeItemRequest, changeResponse, entityId, log, starter).ConfigureAwait(false);
}
else
{
actionResult = validationResponse;
}
handled = true;
break;
}
}
if (!handled)
{
// we have no handler for this.
actionResult = new ChangeErrorResult(changeResponse, ErrorCodes.UnsupportedOperation, _stringLocalizer[ErrorCodes.UnsupportedOperation], HttpStatusCode.Forbidden);
}
}
catch (Exception ex)
{
log.LogChangeError(ex, entityId);
actionResult = new ChangeErrorResult(changeResponse, ErrorCodes.InternalError, _stringLocalizer[ErrorCodes.InternalError], HttpStatusCode.InternalServerError);
}
log.LogChangeResult(actionResult);
return(actionResult);
}
private bool TryValidateChangeItemRequest(ChangeItemRequest changeItemRequest, ChangeResponse changeResponse, out IActionResult validationResponse)
{
validationResponse = null;
if (changeItemRequest.Headers == null || changeItemRequest.Headers.Count == 0)
{
return(true);
}
if (changeItemRequest.Headers.Expires.HasValue && DateTime.UtcNow > changeItemRequest.Headers.Expires.Value)
{
validationResponse = new ChangeErrorResult(changeResponse, changeItemRequest, ErrorCodes.RequestExpired, _stringLocalizer[ErrorCodes.RequestExpired]);
return(false);
}
return(true);
}