//获取一条记录最新的工作流
public List <CWorkflow> FindLastByRowid(Guid Row_id)
{
GetList();
List <CWorkflow> lstRet = new List <CWorkflow>();
foreach (CBaseObject obj in m_lstObj)
{
CWorkflow Workflow = (CWorkflow)obj;
if (Workflow.Row_id == Row_id)
{
bool bHas = false;
foreach (CWorkflow wf in lstRet)
{
if (wf.WF_WorkflowDef_id == Workflow.WF_WorkflowDef_id)
{
if (wf.Created > Workflow.Created)
{
bHas = true;
}
else
{
lstRet.Remove(wf);
}
break;
}
}
if (!bHas)
{
lstRet.Add(Workflow);
}
}
}
return(lstRet);
}
//获取一条记录所有工作流
public List <CWorkflow> FindByRowid(Guid Row_id)
{
GetList();
List <CWorkflow> lstRet = new List <CWorkflow>();
foreach (CBaseObject obj in m_lstObj)
{
CWorkflow Workflow = (CWorkflow)obj;
if (Workflow.Row_id == Row_id)
{
lstRet.Add(Workflow);
}
}
return(lstRet);
}
//检验条件表达式，使用sql查询检验
bool ValidateCond(CWorkflowDef WorkflowDef, CWorkflow wf, string sCond, out string sErr)
{
sErr = "";
if (sCond.Trim() == "")
{
return(true);
}
//把中括号里的中文替换成字段名
CTable Table = (CTable)Ctx.TableMgr.Find(WorkflowDef.FW_Table_id);
if (Table == null)
{
sErr = "表对象不存在！";
return(false);
}
List <CBaseObject> lstObj = Table.ColumnMgr.GetList();
foreach (CBaseObject obj in lstObj)
{
CColumn Column = (CColumn)obj;
sCond = sCond.Replace(string.Format("[{0}]", Column.Name), string.Format("[{0}]", Column.Code));
}
string sSql = string.Format("select id from [{0}] where id='{1}' and ({2})", Table.Code, wf.Row_id, sCond);
DataTable dt = Ctx.MainDB.QueryT(sSql);
if (dt == null)
{
sErr = "条件表达式语法错误！";
return(false);
}
if (dt.Rows.Count == 0) //条件不符合
{
sErr = "条件不符合！";
return(false);
}
return(true);
}
//启动工作流
public bool StartWorkflow(CWorkflow wf, out string sErr)
{
sErr = "";
CCompany Company = null;
if (wf.B_Company_id == Guid.Empty)
{
Company = (CCompany)Ctx.CompanyMgr.FindTopCompany();
}
else
{
Company = (CCompany)Ctx.CompanyMgr.Find(wf.B_Company_id);
}
CWorkflowDef WorkflowDef = (CWorkflowDef)Company.WorkflowDefMgr.Find(wf.WF_WorkflowDef_id);
if (WorkflowDef == null)
{
sErr = "工作流定义不存在！";
return(false);
}
CActivesDef start = WorkflowDef.ActivesDefMgr.FindStart();
if (start == null)
{
sErr = "启动活动不存在！";
return(false);
}
List <CLink> lstLink = WorkflowDef.LinkMgr.FindByPreActives(start.Id);
if (lstLink.Count == 0)
{
sErr = "启动活动没有连接！";
return(false);
}
//启动活动有且仅有一个连接
CLink Link = lstLink[0];
CActivesDef next = (CActivesDef)WorkflowDef.ActivesDefMgr.Find(Link.NextActives);
if (next == null)
{
sErr = "启动活动没有连接！";
return(false);
}
//启动条件
if (!ValidateCond(WorkflowDef, wf, Link.Condiction, out sErr))
{
return(false);
}
Update(wf);
wf.State = enumApprovalState.Running;
//实例化活动
CActives Actives = new CActives();
Actives.Ctx = Ctx;
Actives.WF_Workflow_id = wf.Id;
Actives.WF_ActivesDef_id = next.Id;
Actives.Result = enumApprovalResult.Init;
Actives.AType = next.AType;
if (Actives.AType == "按用户")
{
Actives.B_User_id = next.B_User_id;
}
else
{
Actives.B_Role_id = next.B_Role_id;
}
wf.ActivesMgr.AddNew(Actives);
//考虑发邮件等通知方式
//if (!Save(true))
//{
// sErr = "保存失败！";
// return false;
//}
return(true);
}
//审批活动
public bool Approval(CWorkflow wf, CActives Actives, out string sErr)
{
sErr = "";
CCompany Company = null;
if (wf.B_Company_id == Guid.Empty)
{
Company = (CCompany)Ctx.CompanyMgr.FindTopCompany();
}
else
{
Company = (CCompany)Ctx.CompanyMgr.Find(wf.B_Company_id);
}
if (Company == null)
{
sErr = "单位不存在！";
return(false);
}
CWorkflowDef WorkflowDef = (CWorkflowDef)Company.WorkflowDefMgr.Find(wf.WF_WorkflowDef_id);
if (WorkflowDef == null)
{
sErr = "工作流定义不存在！";
return(false);
}
List <CLink> lstLink = WorkflowDef.LinkMgr.FindByPreActives(Actives.WF_ActivesDef_id);
if (lstLink.Count == 0)
{
sErr = "活动没有连接！";
return(false);
}
//找出符合条件的连接,并获取下一个活动
CActivesDef next = null;
foreach (CLink link in lstLink)
{
if (Actives.Result == link.Result)
{
//检验条件表达式
if (!ValidateCond(WorkflowDef, wf, link.Condiction, out sErr))
{
if (sErr != "")
{
return(false);
}
else
{
continue;
}
}
next = (CActivesDef)WorkflowDef.ActivesDefMgr.Find(link.NextActives);
break;
}
}
if (next == null)
{
sErr = "活动没有连接！";
return(false);
}
Update(wf);
wf.ActivesMgr.Update(Actives);
//如果是结束活动，则结束工作流
if (next.WType == ActivesType.Success)
{
wf.State = enumApprovalState.Accept;
}
else if (next.WType == ActivesType.Failure)
{
wf.State = enumApprovalState.Reject;
}
else
{
//实例化下一个活动
CActives nextActives = new CActives();
nextActives.Ctx = Ctx;
nextActives.WF_Workflow_id = wf.Id;
nextActives.WF_ActivesDef_id = next.Id;
nextActives.Result = enumApprovalResult.Init;
nextActives.AType = next.AType;
if (nextActives.AType == "按用户")
{
nextActives.B_User_id = next.B_User_id;
}
else
{
nextActives.B_Role_id = next.B_Role_id;
}
wf.ActivesMgr.AddNew(nextActives);
//考虑发邮件等通知方式
}
if (!Save(true))
{
sErr = "保存失败！";
return(false);
}
return(true);
}
//取消工作流
public bool CancelWorkflow(CWorkflow wf)
{
Update(wf);
wf.State = enumApprovalState.Cancel;
return(Save(true));
}