private async Task Handle(ExecuteSpecialLiquidationOrdersInternalCommand command, IEventPublisher publisher)
{
var executionInfo = await _operationExecutionInfoRepository.GetAsync <SpecialLiquidationOperationData>(
operationName : SpecialLiquidationSaga.OperationName,
id : command.OperationId);
if (executionInfo?.Data == null)
{
return;
}
if (executionInfo.Data.SwitchState(SpecialLiquidationOperationState.InternalOrderExecutionStarted,
SpecialLiquidationOperationState.InternalOrdersExecuted))
{
try
{
var modality = executionInfo.Data.RequestedFromCorporateActions
? OrderModality.Liquidation_CorporateAction
: OrderModality.Liquidation_MarginCall;
//close positions with the quotes from gavel
await _tradingEngine.LiquidatePositionsUsingSpecialWorkflowAsync(
me : new SpecialLiquidationMatchingEngine(command.Price, command.MarketMakerId,
command.ExternalOrderId, command.ExternalExecutionTime),
positionIds : executionInfo.Data.PositionIds.ToArray(),
executionInfo.Data.AdditionalInfo,
executionInfo.Data.OriginatorType,
modality);
_chaosKitty.Meow(command.OperationId);
publisher.PublishEvent(new SpecialLiquidationFinishedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
});
}
catch (Exception ex)
{
publisher.PublishEvent(new SpecialLiquidationFailedEvent
{
OperationId = command.OperationId,
CreationTime = _dateService.Now(),
Reason = ex.Message,
CanRetryPriceRequest = true
});
}
_chaosKitty.Meow(command.OperationId);
await _operationExecutionInfoRepository.Save(executionInfo);
}
}