/// <summary>
/// 用途：创建流程实例并返回首个流程活动工作项
/// 约定：
/// 1、一个流程有且仅有一个根活动
/// 2、代理人不能发起委托人的新流程，只能处理委托日期后正在流转的流程数据
/// 3、有发起流程模型权限方可以操作
/// </summary>
/// <param name="workflowGuid">流程模型guid</param>
/// <returns>首个流程活动工作项</returns>
public ResponseByWorkitem CreateWorkflowInstance(string workflowGuid, string name = null)
{
///创建流程实例
WorkflowInstance wfi = new WorkflowInstance(workflowGuid, name);
//wfi.Guid ...
//wfi.Name ...
//wfi.WorkflowGuid ...
wfi.Author = this.Context.CurUser;
//wfi.WorkflowState ...
//wfi.Participator ...
//wfi.Locker ...
//wfi.BeginTime ...;
//wfi.EndTime ...;
//wfi.DataEntity ...
wfi.SetContext(this.Context);
///加入权限控制
if (!(this.Context.CurUser.IsAdministrator()//是否大管理员
|| wfi.GetWorkflow().IsAdministrators(this.Context.CurUser)//是否流程模型管理员
|| wfi.GetWorkflow().IsLegalAuthor(this.Context.CurUser)//流程的合法发起用户
))
{ return new ResponseByWorkitem() { CallBackMessage = new ResultMessage() { State = false, Message = "不能发起流程！" } }; }
///开启流程实例服务
wfi.Start();
wfi.Save();
//创建活动实例
WorkitemInstance wii = new WorkitemInstance(wfi.Guid, wfi.GetWorkflow().GetStartNode());
//wii.Guid ...
//wii.Name ...
//wii.ActivityGuid ...
//wii.WorkflowInstanceGuid ...
//wii.AduitContent = "";
//wii.AduitSign = "";
//wii.ReadTime = null;
//wii.NextActivities = null;
wii.User = this.Context.CurUser;
//wii.ProxyUser = null;
//wii.IsProxy = false;
//wii.WorkitemInstanceState ...
//wii.FromWorkitemInstanceGuid = "";
//wii.AttachmentTrainsitions = null;
//wii.SelectVoteItem = "";
//wii.OtherVoteItemContent = "";
//wii.BeginTime ...;
//wii.EndTime ...;
//wii.DataEntity ...
wii.SetContext(this.Context);
///开启活动实例
wii.Start();
wii.Save();
///活动前事件处理
var rm = wii.BeforeTrigger();
ResponseByWorkitem response;
///如果不满足
if (!rm.State)
{
response = new ResponseByWorkitem()
{
ActivityInstance = wii,
//NextMaybeActivities=null,
UIRight = this.Context.Config.RightByReadOnly,
CallBackMessage = rm,
};
}
else
{
response = new ResponseByWorkitem()
{
ActivityInstance = wii,
NextMaybeActivities = wii.GetNextEffectiveActivities(),
UIRight = wii.GetActivity().UIRight,
CallBackMessage = new ResultMessage() { State = true, Message = "" },
};
}
return response;
}