/// <summary>
/// 撤消工作流
/// </summary>
/// <param name="entityid"></param>
/// <param name="objectid"></param>
/// <returns></returns>
public WorkFlowCancellationResult Cancel(WorkFlowCancellationContext context)
{
WorkFlowCancellationResult result = new WorkFlowCancellationResult();
result.IsSuccess = true;
var Instance = _WorkFlowInstanceService.Find(n => n.EntityId == context.EntityMetaData.EntityId && n.ObjectId == context.ObjectId && n.StateCode == WorkFlowProcessState.Processing);
if (Instance == null)
{
result.IsSuccess = false;
result.Message = _loc["workflow_noinstance"];
}
else if (Instance.ApplicantId != _user.SystemUserId)
{
result.IsSuccess = false;
result.Message = _loc["workflow_nopermissioncancel"];
}
else if (Instance.StateCode != WorkFlowProcessState.Processing)
{
result.IsSuccess = false;
result.Message = _loc["workflow_nopermissioncancel"];
}
var currentStep = _workFlowProcessFinder.Find(n => n.WorkFlowInstanceId == Instance.WorkFlowInstanceId && n.StateCode == WorkFlowProcessState.Processing);
if (result.IsSuccess)
{
if (currentStep != null && !currentStep.AllowCancel)
{
result.IsSuccess = false;
result.Message = _loc["workflow_notallowcancel"];
}
}
result = OnCancelling(context, result);
_eventPublisher.Publish(new WorkFlowCancellingEvent {
ObjectId = context.ObjectId, EntityMetaData = context.EntityMetaData, Instance = Instance, CurrentStep = currentStep, Result = result
});
if (result.IsSuccess)
{
try
{
_WorkFlowInstanceService.BeginTransaction();
_WorkFlowInstanceService.Update(n => n
.Set(f => f.StateCode, WorkFlowProcessState.Canceled)
.Set(f => f.CompletedOn, DateTime.Now)
.Where(f => f.WorkFlowInstanceId == Instance.WorkFlowInstanceId)
);
_workFlowProcessUpdater.Update(n => n.Set(f => f.StateCode, WorkFlowProcessState.Disabled).Where(f => f.WorkFlowInstanceId == Instance.WorkFlowInstanceId));
//_workFlowProcessUpdater.UpdateObjectProcessState(context.EntityMetaData, context.ObjectId, WorkFlowProcessState.Canceled);
_WorkFlowInstanceService.CompleteTransaction();
result.IsSuccess = true;
}
catch (Exception e)
{
_WorkFlowInstanceService.RollBackTransaction();
result.IsSuccess = false;
result.Message = e.Message;
_logService.Error(e);
}
}
result = OnCancelled(context, result);
_eventPublisher.Publish(new WorkFlowCancelledEvent {
ObjectId = context.ObjectId, EntityMetaData = context.EntityMetaData, Instance = Instance, CurrentStep = currentStep, Result = result
});
return(result);
}
public virtual WorkFlowCancellationResult OnCancelled(WorkFlowCancellationContext context, WorkFlowCancellationResult result)
{
return(result);
}