public bool IsFinished(WorkFlowBag workFlowBag)
{
var endNodeId = FindEndNodeId(workFlowBag.Instance.WorkFlowID, workFlowBag.Instance.WorkFlow.StartNodeID);
var old = Find(workFlowBag.Instance.WorkFlowInstanceID);
return(old.CurrentNodeID == endNodeId);
}
public WorkFlowBag CreateInstance(string workFlowId, string uid, string unitId)
{
var workFlow = Db.WorkFlow.Find(workFlowId);
if (workFlow == null)
{
throw new Exception("不存在该工作流！workFlowId=>" + workFlowId);
}
var model = new WorkFlowInstance()
{
CreateTime = DateTime.Now,
CurrentNodeID = workFlow.StartNodeID,
Note = Note(uid, "创建工作流实例"),
WorkFlowID = workFlowId,
WorkFlowInstanceID = workFlowId + "-" + uid + "-" + DateTime.Now.Random(),
InstancePeople = uid,
UnitID = unitId
};
Db.WorkFlowInstance.Add(model);
//创建转移日志
Db.CreateInstanceChangeLog(model, "1", uid, "激活" + model.WorkFlow.Name + "实例");
if (Db.SaveChanges() > 0)
{
var result = new WorkFlowBag(model);
return(result);
}
else
{
throw new Exception("工作流实例化失败！");
}
}
//强制移动
//private MoveResult _MoveNext(WorkFlowBag workFlowBag, string nextNodeId, string operatorId, string reason, RelationMoveParam relation)
//{
// var currentId = workFlowBag.Instance.CurrentNodeID;
// var result = ChoosePath(currentId, nextNodeId);
// return __MoveNext(workFlowBag, result, operatorId, reason, relation);
//}
public bool DeleteInstance(WorkFlowBag workFlowBag, string operatorId, string reason = "未填写")
{
var old = Find(workFlowBag.Instance.WorkFlowInstanceID);
Db.Entry(old).State = EntityState.Deleted;
//记录转移日志
Db.CreateInstanceHistory(old, "3", Note(operatorId, reason));
return(Db.Saved());
}
public static List <WorkFlowPath> NextStepInfo(this WorkFlowBag bag)
{
var Db = new MyDbContext();
return(Db.NodeRelation.Where(a => a.NodeID == bag.Instance.CurrentNodeID).
SelectMany(z => z.ConvertCondition).
ToList().
GroupBy(a => a.NodeRelationID).
Select(g =>
new WorkFlowPath(g.Key, g.AsEnumerable().ToList())).ToList());
}
public bool AbortInstance(WorkFlowBag workFlowBag, string operatorId, string reason)
{
var instanceId = workFlowBag.Instance.WorkFlowInstanceID;
var old = Find(instanceId);
var note = Note(operatorId, reason);
//记录转移日志
Db.CreateInstanceChangeLog(old, "4", operatorId, reason);
//记录实例日志
Db.CreateInstanceHistory(old, "2", old.Note + "\n" + note);
//删除实例
Db.WorkFlowInstance.Remove(old);
return(Db.Saved());
}
private MoveResult __MoveNext(WorkFlowBag workFlowBag, MoveResult result,
string operatorId, string reason)
{
//移动到下一节点
if (result.Successful)
{
workFlowBag.MoveToNext(Db, result.ToNodeId, operatorId, reason,
FindEndNodeId(workFlowBag.Instance.WorkFlowID,
workFlowBag.Instance.WorkFlow.StartNodeID));
result.SucessMsgs.Add("已成功转移到下一状态");
}
else
{
result.SucessMsgs.Add("转移到下一状态失败");
}
return(result);
}
//自动移动
private MoveResult _MoveNext(WorkFlowBag workFlowBag, object moveParam, string operatorId, string reason, RelationMoveParam relation)
{
var currentId = workFlowBag.Instance.CurrentNodeID;
var allPath = Db.NodeRelation.NoTrackingWhere(a => a.NodeID == currentId);
var result = ChoosePath(allPath, moveParam);
//移动主流程
var moveResult = __MoveNext(workFlowBag, result, operatorId, reason);
//移动相关节点（子流程）
if (moveResult.Successful && relation != null)
{
for (var i = 0; i < relation.WorkFlowParam.Count; i++)
{
var item = relation.WorkFlowParam[i];
//循环递归移动
moveResult.AddRelationMoveResult(_MoveNext(FindInstance(item.WorkFlowInstanceId), relation.GetMoveParam(i), relation.GetOperatorId(i),
relation.GetReason(i), relation.GetRelaton(i)));
}
}
return(moveResult);
}
public static MyDbContext MoveToNext(this WorkFlowBag bag, MyDbContext db, string nextNodeId,
string operatorId, string reason, string endNodeId)
{
//创建转移日志
db.CreateInstanceChangeLog(bag.Instance, "3", operatorId, reason, nextNodeId);
bag.Move(nextNodeId);
db.WorkFlowInstance.AddOrUpdate(bag.Instance);
var isFinish = endNodeId == bag.Instance.CurrentNodeID;
//如果为结束节点
if (isFinish)
{
//记录实例日志
db.CreateInstanceHistory(bag.Instance, "2", bag.Instance.Note + "\n" + DateTime.Now + "流程已结束");
//创建转移日志
db.CreateInstanceChangeLog(bag.Instance, "2", "system", "[sytem]流程自动结束", null);
//删除示例
db.WorkFlowInstance.Remove(db.WorkFlowInstance.Find(bag.Instance.WorkFlowInstanceID));
}
return(db);
}
