public async Task <int> DeleteAsync(string id, CancellationToken cancellationToken = default)
{
var definitionRecords =
await _workflowDefinitionVersionRepository.GetListByDefinitionIdAndVersionAsync(id, VersionOptions.All,
true, cancellationToken);
var instanceRecords = await _workflowInstanceRepository.GetListByDefinitionIdAsync(id, false, cancellationToken);
var activityDefinitionRecords = await _activityDefinitionRepository
.GetListByWorkFlowInstanceDefinitionIdAsync(id, cancellationToken : cancellationToken);
var connectionRecords = await _workflowDefinitionVersionRepository
.GetConnectionDefinitionListByWorkFlowInstanceDefinitionIdAsync(id, cancellationToken : cancellationToken);
var activityInstanceRecords = await _activityInstanceRepository
.GetListByWorkFlowInstanceDefinitionIdAsync(id, cancellationToken : cancellationToken);
var blockingActivityRecords = await _workflowInstanceRepository
.GetBlockingActivityListByWorkFlowInstanceDefinitionIdAsync(id, cancellationToken : cancellationToken);
_workflowInstanceRepository.BatchDeleteWorkflowInstances(instanceRecords);
_workflowDefinitionVersionRepository.BatchDeleteWorkflowDefinitionVersions(definitionRecords);
_activityDefinitionRepository.BatchDeleteActivityDefinitions(activityDefinitionRecords);
_workflowDefinitionVersionRepository.BatchDeleteConnectionDefinitions(connectionRecords);
_activityInstanceRepository.BatchDeleteActivityInstances(activityInstanceRecords);
_workflowInstanceRepository.BatchDeleteBlockingActivitys(blockingActivityRecords);
await _unitOfWorkManager.Current.SaveChangesAsync(cancellationToken);
return(definitionRecords.Count);
}