public async Task <global::Elsa.Models.WorkflowInstance> SaveAsync(global::Elsa.Models.WorkflowInstance instance, CancellationToken cancellationToken = default)
{
var existingEntity = await _workflowInstanceRepository
.GetByInstanceIdAsync(instance.Id, true, cancellationToken);
if (existingEntity == null)
{
var workflowInstance = new WorkflowInstance(_guidGenerator.Create().ToString());
_objectMapper.Map(instance, workflowInstance);
workflowInstance.Activities = instance.Activities
.Select(t =>
new ActivityInstance(_guidGenerator.Create().ToString())
{
Type = t.Value.Type,
ActivityId = t.Key,
State = t.Value.State,
Output = t.Value.Output,
}
).ToList();
workflowInstance.BlockingActivities = instance.BlockingActivities.Select(t =>
new BlockingActivity(_guidGenerator.Create().ToString())
{
ActivityId = t.ActivityId,
ActivityType = t.ActivityType
}).ToList();
await _workflowInstanceRepository.InsertAsync(workflowInstance, cancellationToken : cancellationToken);
await _unitOfWorkManager.Current.SaveChangesAsync(cancellationToken);
return(Map(workflowInstance));
}
else
{
_activityInstanceRepository.BatchDeleteActivityInstances(existingEntity.Activities.ToList());
_workflowInstanceRepository.BatchDeleteBlockingActivitys(existingEntity.BlockingActivities.ToList());
existingEntity.Activities.Clear();
existingEntity.BlockingActivities.Clear();
var entity = _objectMapper.Map(instance, existingEntity);
await _workflowInstanceRepository.UpdateAsync(entity, cancellationToken : cancellationToken);
await _unitOfWorkManager.Current.SaveChangesAsync(cancellationToken);
return(Map(entity));
}
}