// MoveTo
public static FlowActionRequest PostFlowActionMoveTo(
string clientRequestGuid,
string bizDocumentGuid,
string bizDocumentTypeCode,
DateTime bizTimeStamp,
string userMemo,
string bizDataPayloadJson,
string optionalFlowActionDataJson,
int userId, // 执行人员
string userGuid,
int flowInstanceId,
string flowInstanceGuid,
string code,
string currentActivityGuid, // 当前所处的活动状态(也许流程有多个入口)
string connectionGuid, // 接办人选择的Connection
string nextActivityGuid, // 接办人选择的Connection指向的活动(理论上应该由FlowTemplate算出)
List <Paticipant> roles, // 接办人选择的下一个活动状态待办角色/人员列表
int?delegateeUserId,
string delegateeUserGuid)
{
// 未通过合法性检查直接返回
if (!preValidate(clientRequestGuid))
{
return(null);
}
var incomingReq = new FlowActionMoveTo(
clientRequestGuid, bizDocumentGuid, bizDocumentTypeCode, bizTimeStamp,
userMemo, bizDataPayloadJson, optionalFlowActionDataJson, userId, userGuid,
flowInstanceId, flowInstanceGuid, code,
currentActivityGuid, connectionGuid, nextActivityGuid, roles,
delegateeUserId, delegateeUserGuid);
return(saveToDB(incomingReq));
}
public FlowActionMoveToResult // moveTo
processActionRequest(FlowActionMoveTo req)
{
var concreteMetaObj = req.concreteMetaObj;
using (var db = new EnouFlowInstanceContext())
{
var flowInst = getFlowInstance(db, req.flowInstanceId, req.bizDocumentGuid);
var reqInDb = getReqInDB(req.flowActionRequestId, db);
Tuple <ActivityNode, ActivityNode, ActivityConnection> from_to_conn;
string failReason;
DateTime bizTimeStampToUse = DateTime.Now;
#region Check BizTimeStamp Valid
if (!isBizTimeStampValid((DateTime)concreteMetaObj.bizTimeStamp,
req, flowInst, out failReason))
{
updateReqProcessingResultInDB(reqInDb,
EnumFlowActionRequestResultType.fail, failReason);
db.SaveChanges();
return(new FlowActionMoveToResult(req.flowActionRequestId,
req.clientRequestGuid, flowInst, false, failReason));
}
#endregion
#region Decide next activity, switch different activity type
var flowDefHelper = new FlowTemplateDefHelper(
flowInst.flowTemplateJson);
from_to_conn = flowDefHelper.getNodesOfConnection(req.connectionGuid);
#region 验证流程实例当前所处的状态能够使用该connection
if (from_to_conn.Item1.guid != flowInst.currentActivityGuid)
{
failReason = $"当前所处的状态{from_to_conn.Item1.name}" +
$"不支持使用连接{from_to_conn.Item3.name}";
updateReqProcessingResultInDB(reqInDb,
EnumFlowActionRequestResultType.fail, failReason);
db.SaveChanges();
return(new FlowActionMoveToResult(req.flowActionRequestId,
req.clientRequestGuid, flowInst, false, failReason));
}
#endregion
#endregion
#region 目的状态是自动类型时需要根据条件为该活动自动生成接续的对应FlowActionRequest
if (from_to_conn.Item2.type == ActivityTypeString.standard_Auto)
{
var _toActivity = from_to_conn.Item2; // 目标自动活动
var _autoResult = ExecuteAutoRulesAsync(_toActivity.autoRules,
req.bizDataPayloadJson, req.optionalFlowActionDataJson, flowInst).Result;
var _effectiveConnectionGuid = _autoResult.Item1;
var _paticipantsOfAutoRules = _autoResult.Item2;
//根据自动活动规则集的运行结果由引擎Post相应的MoveToAutoGenerated型处理请求
FlowActionHelper.PostFlowActionMoveToAutoGenerated(
Guid.NewGuid().ToString(), req.bizDocumentGuid, req.bizDocumentTypeCode,
DateTime.Now, "自动活动规则生成", req.bizDataPayloadJson,
req.optionalFlowActionDataJson, flowInst.flowInstanceId, flowInst.guid,
flowInst.code, from_to_conn.Item2.guid, _effectiveConnectionGuid,
flowDefHelper.getNodesOfConnection(_effectiveConnectionGuid).Item2.guid,
_paticipantsOfAutoRules, db);
}
#endregion
#region Decide activity owners/ List<UserDTO>
List <UserDTO> taskUsers = new List <UserDTO>();
switch (from_to_conn.Item2.type)
{
case ActivityTypeString.standard_End: // 目标活动状态为结束,不需要设置activity owner, 是否需要有最终收尾处理的人 ???
break;
case ActivityTypeString.standard_Start: // 下面这三类目标活动状态需要设置activity owner
case ActivityTypeString.standard_SingleHuman:
case ActivityTypeString.standard_MultiHuman:
taskUsers = getUserDTOsFromPaticipantList(req.roles, flowInst);
if (taskUsers.Count() == 0) // 如果参与活动的用户数为0则出错
{
failReason = $"无法找到参与活动'{from_to_conn.Item2.name}'" +
$"的用户({req.roles.ToString()}).";
updateReqProcessingResultInDB(reqInDb,
EnumFlowActionRequestResultType.fail, failReason);
db.SaveChanges();
return(new FlowActionMoveToResult(req.flowActionRequestId,
req.clientRequestGuid, flowInst, false, failReason));
}
break;
case ActivityTypeString.standard_Auto:
// 目标活动状态为自动,暂定不设置activity owner
break;
default:
throw new EnouFlowInstanceLib.DataLogicException(
$"遇到未定义处理方式的活动类型: {from_to_conn.Item2.type}");
}
#endregion
#region update instance
switch (from_to_conn.Item2.type)
{
case ActivityTypeString.standard_End:
flowInst.lifeState = EnumFlowInstanceLifeState.end;
break;
case ActivityTypeString.standard_Start:
flowInst.lifeState = EnumFlowInstanceLifeState.start;
break;
case ActivityTypeString.standard_SingleHuman:
case ActivityTypeString.standard_MultiHuman:
case ActivityTypeString.standard_Auto:
flowInst.lifeState = EnumFlowInstanceLifeState.middle;
break;
default:
throw new EnouFlowInstanceLib.DataLogicException(
$"遇到未定义处理方式的活动类型: {from_to_conn.Item2.type}");
}
var originBizTimeStamp = flowInst.bizTimeStamp;
flowInst.bizTimeStamp = bizTimeStampToUse;
flowInst.currentActivityGuid = from_to_conn.Item2.guid;
flowInst.currentActivityName = from_to_conn.Item2.name;
flowInst.previousActivityGuid = from_to_conn.Item1.guid;
flowInst.previousActivityName = from_to_conn.Item1.name;
updateBizDataPayloadJsonOfFlowInst(flowInst, req);
#endregion
#region update tasks for user status like taskState,finishTime, delegatee
updateTaskForUserStatesAfterAction(db, (int)concreteMetaObj.userId,
originBizTimeStamp, bizTimeStampToUse,
flowInst.previousActivityGuid, flowInst, reqInDb);
#endregion
#region add task for users: FlowTaskForUser
taskUsers.ForEach(user => addFlowTaskForUser(db, user, flowInst));
#endregion
#region write 3 type logs
addFlowInstanceFriendlyLog(
flowInst, reqInDb.flowActionRequestId, flowInst.previousActivityName,
reqInDb.userId.Value, reqInDb.delegateeUserId,
from_to_conn.Item3.name, req.userMemo, db);
#warning TODO: another 2 type logs
#endregion
#region update request
updateRequestToSuccess(reqInDb, flowInst);
#endregion
#region save all to db
db.SaveChanges();
#endregion
return(new FlowActionMoveToResult(req.flowActionRequestId,
req.clientRequestGuid, flowInst));
}
}