/// <summary>
/// 工作项锁处理
/// 对于已经加锁的超过锁定期的自动解锁，并重新上锁, 返回可处理流程权限为可控制状态
/// 对于未加锁的直接上锁,返回可处理流程权限为可控制状态
/// 对于已经加锁的在有效锁定期内的，返回处理流程权限为不可控制状态
/// </summary>
/// <param name="wii"></param>
/// <returns>工作项只读状态</returns>
public bool?EncodeLock(WorkitemInstance wii)
{
///如果处理锁竞争状态， 如果无需上锁则直接退出
if (!wii.GetActivity().IsLock)
{
return(null);
}
///如果还没有被锁过，则置初始锁
var locker = wii.GetWorkflowInstance().GetWorkflowInstanceLock();
if (locker == null || !locker.IsLock)
{
return(wii.GetWorkflowInstance().SaveWorkflowInstanceLock(new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
}));
}
///超过设置时间自动解锁(默认单位为分钟)
if (locker.LoggedTime.AddMinutes(this.Context.Config.LockMinute) >= DateTime.Now)
{
return(wii.GetWorkflowInstance().SaveWorkflowInstanceLock(new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
}));
}
///当前还在有效被锁的状态中
return(false);
}
/// <summary>
/// 当前用户是否可以访问该流程实例活动
/// </summary>
/// <param name="wii"></param>
/// <returns></returns>
bool IsEffective(WorkitemInstance wii)
{
///是否大管理员
if (this.Context.CurUser.IsAdministrator())
{
return(true);
}
///是否流程模型管理员
if (wii.GetWorkflowInstance().GetWorkflow().IsAdministrators(this.Context.CurUser))
{
return(true);
}
///是否当前流程实例活动的操作者
if (wii.GetWorkflowInstance().GetWorkflow().IsLegalAuthor(this.Context.CurUser))
{
return(true);
}
///是否当前流程实例活动的代理操作者
if (wii.IsProxy && _uc.Equals(wii.ProxyUser, this.Context.CurUser))
{
return(true);
}
///是否当前流程实例活动的潜在代理操作者
return(wii.IsEffectiveByProxyUser());
}
/// <summary>
/// 解锁
/// </summary>
/// <param name="wii"></param>
public bool?DecodeLock(WorkitemInstance wii)
{
var locker = wii.GetWorkflowInstance().GetWorkflowInstanceLock();
if (locker == null)
{
return(null);
}
if (wii.GetActivity().IsLock
&&
locker.IsLock
&&
_uc.Equals(locker.User, this.Context.CurUser))
{
return(wii.GetWorkflowInstance().SaveWorkflowInstanceLock(new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
}));
}
else
{
return(null);
}
}
/// <summary>
/// 用途：为流程活动添加特殊步骤
/// 范围：大管理员|流程模型管理员
/// </summary>
/// <param name="workitemInstanceGuid">当前流程活动guid</param>
/// <param name="attachmentTrainsitions">所添加的特殊步骤</param>
/// <returns></returns>
public ResultMessage SetAttachmentTrainsitions(string workitemInstanceGuid, IDictionary <string, eTransitionType> attachmentTrainsitions)
{
WorkitemInstance wii = this.GetWorkitemInstance(workitemInstanceGuid);
///加入权限控制大管理员|流程模型管理员
if (!(this.Context.CurUser.IsAdministrator() || wii.GetWorkflowInstance().GetWorkflow().Administrators.Contains(this.Context.CurUser, _uc)))
{
return new ResultMessage()
{
State = false, Message = "不在许可操作范围内！"
}
}
;
wii.AttachmentTrainsitions = attachmentTrainsitions;
var b = this.SetWorkitemInstance(wii, eStoreType.Update);
if (b)
{
return new ResultMessage()
{
State = true, Message = "设置特殊工作项成功！"
}
}
;
else
{
return new ResultMessage()
{
State = false, Message = "设置特殊工作项失败！"
}
};
}
/// <summary>
/// 解锁
/// </summary>
/// <param name="wii"></param>
void DecodeLock(WorkitemInstance wii)
{
if (wii.GetActivity().IsLock
&&
wii.GetWorkflowInstance().Locker.IsLock
&&
wii.GetWorkflowInstance().Locker.User.Guid.Equals(this.Context.CurUser.Guid))
{
wii.GetWorkflowInstance().Locker = new WorkitemLocker()
{
IsLock = false,
User = this.Context.CurUser,
LoggedTime = DateTime.Now,
};
}
}
/// <summary>
/// 用途：当界面里的业务数据变化时，得到下一能达到的下一活动节点集
/// 范围：对当前流程活动可操作的用户
/// 约定：对于查阅权限返回null
/// </summary>
/// <param name="workitemInstanceGuid">当前流程活动标识</param>
/// <returns>下一能达的活动节点集</returns>
public IList <MaybeActivity> GetMaybeActivities(string workitemInstanceGuid)
{
WorkitemInstance wii = this.GetWorkitemInstance(workitemInstanceGuid);
///不在许可范围之内的，直接返回null
if (!this.IsEffective(wii))
{
return(new List <MaybeActivity>());
}
if (wii.User.Guid.Equals(this.Context.CurUser.Guid)) //判断是否是当前流程实例活动的操作人
{
return(wii.GetNextEffectiveActivities());
}
else if (wii.IsProxy && wii.ProxyUser.Guid.Equals(this.Context.CurUser.Guid)) //判断是否是代理人
{
return(wii.GetNextEffectiveActivities());
}
else if (wii.IsProxy == false && wii.IsEffectiveByProxyUser()) //判断是否是潜在代理人
{
return(wii.GetNextEffectiveActivities());
}
else if (wii.GetWorkflowInstance().GetWorkflow().Administrators.Contains(this.Context.CurUser, _uc)) //流程模型管理员，同大管理员，但限于授权的流程模型
{
return(wii.GetNextEffectiveActivities());
}
else if (this.Context.CurUser.IsAdministrator())//大管理员，什么情况下都可以执行后继操作，可以改变流程状态
{
return(wii.GetNextEffectiveActivities());
}
return(new List <MaybeActivity>());
}
void AdminLock(WorkitemInstance wii)
{
if (wii.GetActivity().IsLock)
{
wii.GetWorkflowInstance().Locker = new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
};
}
}
/// <summary>
/// 强制加锁
/// </summary>
/// <param name="wii"></param>
/// <returns></returns>
public bool?AdminLock(WorkitemInstance wii)
{
///如果处理锁竞争状态， 如果无需上锁则直接退出
if (!wii.GetActivity().IsLock)
{
return(null);
}
return(wii.GetWorkflowInstance().SaveWorkflowInstanceLock(new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
}));
}
/// <summary>
/// 工作项锁处理
/// 对于已经加锁的超过锁定期的自动解锁，并重新上锁, 返回可处理流程权限为可控制状态
/// 对于未加锁的直接上锁,返回可处理流程权限为可控制状态
/// 对于已经加锁的在有效锁定期内的，返回处理流程权限为不可控制状态
/// </summary>
/// <param name="wii"></param>
/// <returns>工作项只读状态</returns>
bool EncodeLock(WorkitemInstance wii)
{
bool result = false;
#region 锁定处理
///如果处理锁竞争状态， 则直接上锁
if (wii.GetActivity().IsLock)
{
if (wii.GetWorkflowInstance().Locker == null
||
wii.GetWorkflowInstance().Locker.IsLock == false
)
{
wii.GetWorkflowInstance().Locker = new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
};
result = this.SetWorkflowInstance(wii.GetWorkflowInstance(), eStoreType.Update);
}
else
///超过设置时间自动解锁(默认为一小时)
if (wii.GetWorkflowInstance().Locker.LoggedTime.AddHours(this.Context.Config.LockMinute) >= DateTime.Now)
{
wii.GetWorkflowInstance().Locker = new WorkitemLocker()
{
User = this.Context.CurUser,
IsLock = true,
LoggedTime = DateTime.Now,
};
result = this.SetWorkflowInstance(wii.GetWorkflowInstance(), eStoreType.Update);
}
else
{
result = false;
}
}
else
{
result = true;
}
#endregion
return(result);
}
/// <summary>
/// 用途：撤回流程活动
/// 范围：大管理员|流程模型管理员|当前流程实例活动的操作者|当前流程实例活动的代理操作者
/// </summary>
/// <param name="workitemInstanceGuid"></param>
/// <returns></returns>
public ResultMessage RecallWorkitemInstance(string workitemInstanceGuid)
{
WorkitemInstance wii = this.GetWorkitemInstance(workitemInstanceGuid);
///加入权限控制大管理员|流程模型管理员|当前流程实例活动的操作者|当前流程实例活动的代理操作者
if (!(this.Context.CurUser.IsAdministrator() ||
wii.GetWorkflowInstance().GetWorkflow().Administrators.Contains(this.Context.CurUser, _uc) ||
wii.User.Guid.Equals(this.Context.CurUser.Guid) ||
(wii.IsProxy && wii.ProxyUser.Guid.Equals(this.Context.CurUser.Guid))
))
{
return new ResultMessage()
{
State = false, Message = "不在许可操作范围内！"
}
}
;
///不允许回收尚不在运行的流程实例
if (!wii.GetWorkflowInstance().WorkflowState.Equals(eWorkflowState.Running))
{
return new ResultMessage()
{
State = false, Message = "该流程实例已经结束或者中止，请先回收流程实例再回收具体步骤！"
}
}
;
///对尚在运行的流程实例无需回收
if (wii.WorkitemInstanceState.Equals(eWorkitemState.Running)
||
wii.WorkitemInstanceState.Equals(eWorkitemState.ExclusionCompleted)
||
wii.WorkitemInstanceState.Equals(eWorkitemState.Ready))
{
return new ResultMessage()
{
State = false, Message = "该流程活动无需回收！"
}
}
;
var nwiis = wii.GetNextWorkitemInstances();
///判断后继流程活动有无被处理，未处理的可以回收
bool b = true;
foreach (var t in nwiis)
{
if (t.WorkitemInstanceState.Equals(eWorkitemState.Abort)
||
t.WorkitemInstanceState.Equals(eWorkitemState.Completed)
||
t.WorkitemInstanceState.Equals(eWorkitemState.ExclusionCompleted)
)
{
b = false;
break;
}
}
if (!b)
{
return new ResultMessage()
{
State = false, Message = "后继流程节点已经被处理，不能回收！"
}
}
;
///进行回收
for (int i = 0, cnt = nwiis.Count; i < cnt; i++)
{
this.SetWorkitemInstance(nwiis[i], eStoreType.Remove);
}
wii.Restart();
wii.NextActivities = new List <NextActivity>();
b = this.SetWorkitemInstance(wii, eStoreType.Update);
if (b)
{
return new ResultMessage()
{
State = true, Message = "回收流程活动成功！"
}
}
;
else
{
return new ResultMessage()
{
State = false, Message = "回收流程活动失败！"
}
};
}
}
}
/// <summary>
/// 流程活动处理
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public ResultMessage SubmitWorkitemInstance(RequestBySubmitWorkitem request)
{
ResultMessage rm = new ResultMessage()
{
State = true, Message = ""
};
WorkitemInstance wii = this.GetWorkitemInstance(request.WorkitemInstanceGuid);
///不在许可范围之内的，直接返回失败
if (!this.IsEffective(wii))
{
return new ResultMessage()
{
State = false, Message = "不在许可操作范围内！"
}
}
;
wii.AduitContent = request.AduitContent;
wii.AduitSign = request.AduitSign;
wii.SelectVoteItem = request.SelectVoteItem;
wii.OtherVoteItemContent = request.OtherVoteItemContent;
wii.IsProxy = request.IsProxyUser;
if (wii.IsProxy)
{
wii.ProxyUser = this.Context.CurUser;
}
else
{
wii.User = this.Context.CurUser;
}
//wii.SetDataEntity(request.DataEntity);
switch (request.State)
{
#region Running 挂起流程操作
case eWorkitemState.Running:
{
wii.Hung();
wii.Save();
}
break;
#endregion
#region Abort 退出流程处理，中止流程
case eWorkitemState.Abort:
{
#region 条件判断
bool b = false;
///是否大管理员
if (this.Context.CurUser.IsAdministrator())
{
b = true;
}
///是否流程模型管理员
if (wii.GetWorkflowInstance().GetWorkflow().Administrators.Contains(this.Context.CurUser, _uc))
{
b = true;
}
///是否是流程发起人
if (_uc.Equals(this.Context.CurUser, wii.GetWorkflowInstance().Author))
{
b = true;
}
if (!b)
{
rm.State = false;
rm.Message = "你不具体中止流程的权限。只有管理员和发起人才可以中止流程！";
break;
}
#endregion
wii.Abort();
wii.Save();
wii.GetWorkflowInstance().Save();
break;
}
#endregion
#region Completed 正常完成流程处理
case eWorkitemState.Completed:
{
wii.GetWorkflowInstance().SetDataEntity(request.DataEntity);
#region 创建后继流程活动工作项
IList <NextActivity> tmp = new List <NextActivity>();
foreach (var na in request.NextActivities)
{
foreach (var o in na.Operaters)
{
var x = new NextActivity()
{
WorkitemInstanceGuid = System.Guid.NewGuid().ToString(),
ActivityGuid = na.Activity,
ActivityByname = na.ActivityName,
User = this.GetUser(o),
};
#region 创建后继流程活动工作项
WorkitemInstance xwii = new WorkitemInstance(wii.GetWorkflowInstance().Guid,
wii.GetWorkflow().GetActivity(na.Activity, eDaoItem.Guid))
{
ActivityGuid = x.ActivityGuid,
AduitContent = "",
ReadTime = null,
NextActivities = null,
EndTime = null,
User = x.User,
ProxyUser = null,
//WorkitemInstanceState = eWorkitemState.Ready,
IsProxy = false,
FromWorkitemInstanceGuid = wii.Guid,
AttachmentTrainsitions = null,
};
xwii.SetContext(this.Context);
///取流程实例数据到流程实例活动
xwii.Start();
//xwii.BeforeTrigger();
xwii.Save();
#endregion
tmp.Add(x);
}
}
wii.NextActivities = tmp;
#endregion
///完成流程实例活动
wii.AfterTrigger();
wii.Save();
wii.GetWorkflowInstance().Save();
break;
}
#endregion
#region Other
case eWorkitemState.Ready:
case eWorkitemState.ExclusionCompleted:
default:
{
break;
}
#endregion
}
///解锁
this.DecodeLock(wii);
if (!rm.State)
{
return(rm);
}
return(rm);
}
}
/// <summary>
/// 用途：界面请求初始化至流程服务，用于流程活动审批环节
/// 约定：
/// 1、系统管理员、当前流程模型管理员、当前流程实例活动操作者、当前流程实例活动委托人可以访问并打开
/// 2、系统管理员、当前流程模型管理员可以对已经结束的流程实例环节进行处理，可以处理后继流程、修改数据等，但记录为管理员参与修改
/// 3、当前流程实例活动操作者、当前流程实例活动委托人仅能在未处理完成的流程活动进行处理，可以处理后继流程、修改数据等
/// 4、当前流程实例活动操作者、当前流程实例活动委托人对在处理完成的流程活动进行查阅操作
/// </summary>
/// <param name="workitemInstanceGuid"></param>
/// <returns></returns>
public ResponseByWorkitem GetDataByWorkitemInstance(string workitemInstanceGuid)
{
WorkitemInstance wii = this.GetWorkitemInstance(workitemInstanceGuid);
ResponseByWorkitem response = new ResponseByWorkitem();
///判断是否非激活状态
///如果是非激活状态直接退出
if (!wii.IsActive())
{
response = new ResponseByWorkitem()
{
ActivityInstance = wii,
NextMaybeActivities = null,
UIRight = this.Context.Config.RightByReadOnly,
CallBackMessage = new ResultMessage()
{
State = false, Message = "当前流程处理非活动状态"
},
};
return(response);
}
///锁定处理
bool?el = EncodeLock(wii);
if (el.HasValue && el.Value)
{
if (wii.IsAdministratorProxy)
{
AdminLock(wii);
}
else
{
response.UIRight = this.Context.Config.RightByReadOnly;
response.CallBackMessage = new ResultMessage()
{
State = false,
Message = "流程被"
+ wii.GetWorkflowInstance().GetWorkflowInstanceLock().User.Name + "锁定！"
};
return(response);
}
}
#region 可操作状态
if (_uc.Equals(wii.User, this.Context.CurUser)) //判断是否是当前流程实例活动的操作人
{
response.ActivityInstance = wii;
response.NextMaybeActivities = wii.GetNextEffectiveActivities();
response.UIRight = wii.GetActivity().UIRight;
response.CallBackMessage = new ResultMessage()
{
State = true, Message = ""
};
}
else if (wii.IsProxy && _uc.Equals(wii.ProxyUser, this.Context.CurUser)) //判断是否是代理人
{
response.ActivityInstance = wii;
response.NextMaybeActivities = wii.GetNextEffectiveActivities();
response.UIRight = wii.GetActivity().UIRight;
response.CallBackMessage = new ResultMessage()
{
State = true, Message = "代理人:" + this.Context.CurUser.Name + "参与处理！"
};
}
else if (wii.IsProxy == false && wii.IsEffectiveByProxyUser()) //判断是否是潜在代理人
{
wii.IsProxy = true;
wii.ProxyUser = this.Context.CurUser;
response.ActivityInstance = wii;
response.NextMaybeActivities = wii.GetNextEffectiveActivities();
response.UIRight = wii.GetActivity().UIRight;
response.CallBackMessage = new ResultMessage()
{
State = true, Message = "代理人:" + this.Context.CurUser.Name + "首次参与处理！"
};
}
else if (wii.GetWorkflowInstance().GetWorkflow().Administrators.Contains(this.Context.CurUser, _uc)) //流程模型管理员，同大管理员，但限于授权的流程模型
{
wii.IsAdministratorProxy = true;
response.ActivityInstance = wii;
response.NextMaybeActivities = wii.GetNextEffectiveActivities();
response.UIRight = this.Context.Config.RightByFull;
response.CallBackMessage = new ResultMessage()
{
State = true, Message = "流程管理员:" + this.Context.CurUser.Name + "参与处理！"
};
}
else if (this.Context.CurUser.IsAdministrator())//大管理员，可以执行后继操作，可以改变流程状态
{
wii.IsAdministratorProxy = true;
response.ActivityInstance = wii;
response.NextMaybeActivities = wii.GetNextEffectiveActivities();
response.UIRight = this.Context.Config.RightByFull;
response.CallBackMessage = new ResultMessage()
{
State = true, Message = "系统管理员:" + this.Context.CurUser.Name + "参与处理！"
};
}
else
{
response.ActivityInstance = null;
response.NextMaybeActivities = null;
response.UIRight = this.Context.Config.RightByReadOnly;
response.CallBackMessage = new ResultMessage()
{
State = false, Message = "非法用户请求！"
};
///设置解锁
this.DecodeLock(wii);
return(response);
}
#endregion
var rm = wii.BeforeTrigger();
if (!rm.State)
{
response.UIRight = this.Context.Config.RightByReadOnly;
response.CallBackMessage = new ResultMessage()
{
State = false, Message = rm.Message
};
///设置解锁
this.DecodeLock(wii);
return(response);
}
switch (wii.GetActivity().ActivityType)
{
#region ConvergeStart 如果为根结点处理则直接返回
case eActivityType.ConvergeStart:
{
return(response);
}
#endregion
#region ConvergeWaitLeftComplete 汇聚结点判断[该结点的最近导入活动必须全部完成才允许执行激活本结点]
case eActivityType.ConvergeWaitLeftComplete:
{
///排除当前结点，默认能到本结点，即认为本结点之前的结点为结束状态
var wiis = wii.GetWorkflowInstance().GetWorkitemInstnces().Where((t) =>
{
return(t.ActivityGuid == wii.ActivityGuid &&
string.IsNullOrWhiteSpace(t.FromWorkitemInstanceGuid) == false &&
t.Guid != wii.Guid);
});
bool b = true;
foreach (var t in wiis)
{
var pwii = this.GetWorkitemInstance(t.FromWorkitemInstanceGuid);
///上一层次结点如有未完成，则返回false
if (pwii != null && pwii.IsActive())
{
b = false;
break;
}
}
///之前有未完成处理的结点。则不能处理当前环节
if (!b)
{
response.UIRight = this.Context.Config.RightByReadOnly;
response.CallBackMessage = new ResultMessage()
{
State = false, Message = "本节点之前还有尚未处理完成之步骤！不能进行后续处理。"
};
///设置解锁
this.DecodeLock(wii);
return(response);
}
;
return(response);
}
#endregion
#region ConvergeWaitConditionComplete 该结点的所有导入活动进行条件判断，只有满足条件的才允许激活本结点
case eActivityType.ConvergeWaitConditionComplete:
{
break;
}
#endregion
#region ConvergeWaitAllComplete 该结点的所有导入活动必须全部完成才允许执行激活本结点
case eActivityType.ConvergeWaitAllComplete:
{
break;
}
#endregion
#region ConvergeCoerceComplete 无论该结点的所有导入活动完成与否直接激活本结点，关闭直接导入活动结点
case eActivityType.ConvergeCoerceComplete:
{
break;
}
#endregion
#region ConvergeEnd 无论该结点的前的所有活动完成与否直接激活本结点，关闭流程运行
case eActivityType.ConvergeEnd:
{
break;
}
#endregion
#region Concurrency 并发处理，1、该结点可以由多人同时处理，即有多个结点实例存在 2、如果后继无汇聚处理则流程存在散发状态
case eActivityType.Concurrency:
{
break;
}
#endregion
#region ConcurrencyVote 投票处理 1、投票结点是特殊的并发结点 2、投标结点有相应的扩展字段来实现对投票的显示统计处理
case eActivityType.ConcurrencyVote:
{
response.VoteItems = ((ActivityByConcurrencyVote)wii.GetActivity()).VoteItems;
response.CallBackMessage = new ResultMessage()
{
State = true, Message = "请参与投票处理！"
};
break;
}
#endregion
#region ConcurrencyExclusion 竞争处理[1、竞争结点是更为特殊的并发结点，结点有多个实例，但是实例必须只有一可以处理，其它的实例就为排斥关闭状态 2、多个人让最先见到的人处理]
case eActivityType.ConcurrencyExclusion:
{
var pwii = this.GetWorkitemInstance(wii.FromWorkitemInstanceGuid);
foreach (var pna in pwii.NextActivities)
{
///同组别的,置为竞争关闭状态
if (!pna.WorkitemInstanceGuid.Equals(wii.Guid)
&&
pna.ActivityGuid == wii.ActivityGuid)
{
var t = this.GetWorkitemInstance(pna.WorkitemInstanceGuid);
t.ConcurrencyExclusion();
t.Save();
}
}
break;
}
#endregion
default:
break;
}
wii.Save();
return(response);
}