public static FlowActionRequest PostFlowActionStart(
string clientRequestGuid,
string bizDocumentGuid,
string bizDocumentTypeCode,
string userMemo,
string bizDataPayloadJson,
string optionalFlowActionDataJson,
int userId,
string userGuid,
int flowTemplateId,
string flowTemplateGuid,
string flowTemplateJson,
string code,
string currentActivityGuid)
{
// 未通过合法性检查直接返回
if (!preValidate(clientRequestGuid))
{
return(null);
}
var incomingReq = new FlowActionStart(
clientRequestGuid, bizDocumentGuid, bizDocumentTypeCode, userMemo,
bizDataPayloadJson, optionalFlowActionDataJson, userId, userGuid,
flowTemplateId, flowTemplateGuid, flowTemplateJson, code,
currentActivityGuid);
return(saveToDB(incomingReq));
}
public FlowActionStartResult // start
processActionRequest(FlowActionStart req)
{
using (var db = new EnouFlowInstanceContext())
{
string failReason;
var reqInDb = getReqInDB(req.flowActionRequestId, db);
var flowInst = db.flowInstances.Create();
flowInst.flowTemplateId = req.concreteMetaObj.flowTemplateId;
flowInst.flowTemplateJson = FlowTemplateDBHelper.getFlowTemplate(
flowInst.flowTemplateId).flowTemplateJson;
var flowDefHelper = new FlowTemplateDefHelper(
flowInst.flowTemplateJson);
flowInst.creatorId = req.concreteMetaObj.userId;
flowInst.code = req.concreteMetaObj.code;
flowInst.processingState = EnumFlowInstanceProcessingState.
waitingActionRequest;
flowInst.lifeState = EnumFlowInstanceLifeState.start;
// 此处TimeStamp不能直接取Now, 因为启动流程时会几乎同时生成两个
// ActionRequest, 否则第二个ActionRequest的bizTimeStamp就会马上过期
flowInst.bizTimeStamp = flowInst.mgmtTimeStamp = req.createTime;
flowInst.currentActivityGuid = req.concreteMetaObj.currentActivityGuid;
flowInst.currentActivityName = flowDefHelper.getNodeFromGuid(
flowInst.currentActivityGuid).name;
flowInst.startActivityGuid = flowInst.currentActivityGuid;
flowInst.bizDataPayloadJson = req.bizDataPayloadJson;
flowInst.bizDocumentGuid = req.bizDocumentGuid;
flowInst.bizDocumentTypeCode = req.bizDocumentTypeCode;
db.flowInstances.Add(flowInst);
#region 如果需要, 则Add FlowTaskForUser
List <UserDTO> taskUsers = new List <UserDTO>();
if (req.needGenerateTaskForUser)
{
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'{flowInst.currentActivityName}'" +
$"的用户({req.roles.ToString()}).";
updateReqProcessingResultInDB(reqInDb,
EnumFlowActionRequestResultType.fail, failReason);
db.SaveChanges();
return(new FlowActionStartResult(req.flowActionRequestId,
req.clientRequestGuid, flowInst, false, failReason));
}
}
#endregion
// 新建的流程需要回填对应的处理请求对象关于流程实例的信息,
// 由下面updateRequestToSuccess完成
#region update request
updateRequestToSuccess(reqInDb, flowInst);
#endregion
#warning TODO: Add FlowInstanceFriendlyLog & FlowInstanceTechLog
addFlowInstanceFriendlyLog(
flowInst, reqInDb.flowActionRequestId, flowInst.previousActivityName,
reqInDb.userId.Value, reqInDb.delegateeUserId,
"提交(开始)/Submit(Start)", req.userMemo, db);
db.SaveChanges();
return(new FlowActionStartResult(
req.flowActionRequestId,
req.clientRequestGuid,
flowInst));
}
}