/// <summary>
/// 处理节点
/// </summary>
/// <param name="proInsId"></param>
/// <param name="actInsId"></param>
/// <returns></returns>
public async Task <ActionResult> DealActivity(long proInsId, long actInsId)
{
var jsonModel = new JsonModel();
jsonModel.statusCode = 300;
#region //获取流程实例
var processInstance = await WorkflowSvc.GetProcessInstanceAsync(proInsId);
if (processInstance == null)
{
jsonModel.message = $"找不到id为{proInsId}的流程实例！";
return(Json(jsonModel, JsonRequestBehavior.AllowGet));
}
#endregion
#region //判断显示哪些按钮：1：回退；2：发送；3：完成。
var process = await WorkflowSvc.GetProcessById(processInstance.WfProcessId);
if (process == null)
{
jsonModel.message = $"找不到id为{processInstance.WfProcessId}的流程！";
return(Json(jsonModel, JsonRequestBehavior.AllowGet));
}
var currActIns = await WorkflowSvc.GetActivityAsync(proInsId, actInsId);
if (currActIns == null)
{
jsonModel.message = $"流程{processInstance.ProcessName}({proInsId})中找不到id为{actInsId}的节点实例！";
return(Json(jsonModel, JsonRequestBehavior.AllowGet));
}
if (currActIns.ActivityState != WfActivityState.Running)
{
jsonModel.message = $"该节点实例[{currActIns.ActivityName}(id:{currActIns.Id})]已经处理，状态为[{currActIns.ActivityState.GetDescriotion()}]！";
return(Json(jsonModel, JsonRequestBehavior.AllowGet));
}
//如果是第一个节点，这跳转到对应的申请页面
var firstAct = process.GetFirstActivity();
if (firstAct.key == currActIns.ActivityGuid)
{
return(RedirectToAction("Index", "WorkflowApply", new
{
proInsId = processInstance.Id,
id = processInstance.SourceId,
currActInsId = currActIns.Id,
src = processInstance.TableSource
}));
}
WfActivityButton buttons = WfActivityButton.None;
//是否有回退按钮
if (currActIns.PreActInstanceId != 0)
{
buttons = buttons | WfActivityButton.FallBack;
}
var conditions = GetCondition(processInstance.Conditions);
var nextList = process.GetNextActivityList(currActIns.ActivityGuid, conditions);
if (nextList == null || nextList.Count == 0)
{
jsonModel.message = "可选节点为空！请重新编辑流程！";
return(Json(jsonModel, JsonRequestBehavior.AllowGet));
}
if (nextList.Any(m => m.activityType == WfActivityType.End))
{
buttons = buttons | WfActivityButton.Complete;
}
if (nextList.Any(m => m.activityType == WfActivityType.Task))
{
buttons = buttons | WfActivityButton.Send;
}
#endregion
#region 获取历史处理信息
var dealActivityList = await WorkflowSvc.GetDealActivityListAsync(processInstance.Id);
#endregion
#region //获取展示信息
var src = await WorkflowSvc.GetSourceAsync(processInstance.TableSource, processInstance.SourceId);
if (src == null)
{
jsonModel.message = $"找不到id为{processInstance.SourceId}的数据源{processInstance.TableSource}！";
return(Json(jsonModel, JsonRequestBehavior.AllowGet));
}
#endregion
var model = new DealActivityViewModel()
{
ActivityInstance = currActIns,
Buttons = buttons,
SourceData = src,
TableSource = processInstance.TableSource,
DealActivityList = dealActivityList,
ProcessInstance = processInstance
};
return(View(model));
}
public async Task <ActionResult> BackStepSelect(long proInsId,
long actInsId)
{
var result = new JsonModel();
result.statusCode = 300;
#region 检查数据完整性
var processInstance = await WorkflowSvc.GetProcessInstanceAsync(proInsId);
if (processInstance == null)
{
result.message = $"找不到Id为{proInsId}的流程实例！";
return(Json(result));
}
var process = await WorkflowSvc.GetProcessById(processInstance.WfProcessId);
if (process == null)
{
result.message = $"找不到Id为{processInstance.WfProcessId}的流程";
return(Json(result));
}
var currActInstance = await WorkflowSvc.GetActivityAsync(processInstance.Id, actInsId);
if (currActInstance == null)
{
result.message = $"在流程实例[{processInstance.ProcessName}({processInstance.Id})]中找不到id为{actInsId}的节点实例";
return(Json(result));
}
var currActivity = process.GetActivity(currActInstance.ActivityGuid);
if (currActivity == null)
{
result.message = $"在流程[{process.Name}({process.Id})]中找不到key为{currActInstance.ActivityGuid}的节点";
return(Json(result));
}
#endregion
#region 获取回退节点
WfActivity backStep = null;
switch (currActivity.backType)
{
case WfActivityBackType.PreStep:
var preActInstance = await WorkflowSvc.GetActivityAsync(processInstance.Id, currActInstance.PreActInstanceId);
backStep = process.GetActivity(preActInstance.ActivityGuid);
break;
case WfActivityBackType.FirstStep:
backStep = process.GetFirstActivity();
break;
case WfActivityBackType.OtherStep:
backStep = process.GetActivity(currActivity.backStep);
break;
default:
break;
}
#endregion
return(View(backStep));
}