/// <summary>
/// 判断某用户是否能撤销实例的上一步操作
/// </summary>
/// <param name="instance">工作流实例</param>
/// <returns></returns>
public virtual bool CanCancel(WorkflowInstance instance)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
IUserIdentity userIdentity = WorkflowRuntime.Current.GetService <IIdentityService>().GetUserIdentity();
StateMachineWorkflowInstance stateMachine = (StateMachineWorkflowInstance)WorkflowRuntime.Current.GetInstance(instance.Id);
if (stateMachine == null)
{
return(false);
}
if (stateMachine.LastActivity == null)
{
return(false);
}
//逐个判断activity的执行用户,如果有一个和当前匹配,那么允许撤销
string[] users = stateMachine.LastActivity.UserId.Trim().Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
string currentUser = userIdentity.GetUserId().Trim();
for (int i = 0; i < users.Length; i++)
{
if (users[i].Equals(currentUser, StringComparison.OrdinalIgnoreCase))
{
return(true);
}
}
return(false);
}
/// <summary>
/// 撤销操作时进行的相关审批记录操作,如果要用不同的记录，必须重写该方法
/// </summary>
/// <param name="instance">The instance.</param>
protected virtual void TrackUndo(WorkflowInstance instance)
{
ApprovalRecord record = new ApprovalRecord();
IIdentityService service = WorkflowRuntime.Current.GetService <IIdentityService>();
IApprovalSaveService approvalService = WorkflowRuntime.Current.GetService <IApprovalSaveService>();
if (service == null)
{
throw new WorkflowExecuteExeception("身份信息提供服务为空");
}
IUserIdentity userInfo = service.GetUserIdentity();
record.OperatorTime = DateTime.Now;
record.WorkflowInstanceId = instance.Id;
record.OperatorId = userInfo.GetUserId();
record.OperatorName = userInfo.GetUserName();
record.OperatorUnitCode = userInfo.GetUserUnitCode();
record.OperatorRole = this.UserApprovalRole;
record.EaId = instance.EaId;
StateMachineWorkflowInstance stateMachine = instance as StateMachineWorkflowInstance;
record.ApprovalType = GetUndoName(instance);
record.StateName = stateMachine.CurrentState.Description;
if (recordId != 0)
{
ApprovalRecord historyRecord = approvalService.GetRecordById(recordId);
historyRecord.IsCanceled = true;
approvalService.SaveRecord(historyRecord);
}
WorkflowRuntime.Current.GetService <IApprovalSaveService>().InsertRecord(record);
}
private void OnChildFinished(StateMachineWorkflowInstance instance)
{
bool isAllFinished = true;
if (childrenId != null)
{
foreach (Guid oneChild in childrenId)
{
StateMachineWorkflowInstance childInstance = WorkflowRuntime.Current.GetService <IWorkflowPersistService>().GetWorkflowInstance(oneChild);
if (childInstance.id == instance.id)
{
continue;
}
if (childInstance.CurrentStatus != WorkflowExecutionStatus.Closed)
{
isAllFinished = false;
}
}
if (isAllFinished)
{
if (CurrentState is InvokeWorkflowState)
{
MoveOn(((InvokeWorkflowState)CurrentState).CompletedTransitionState);
}
else
{
//顺序动作,从动作针对的事件名称中获取状态
MoveOn(CurrentState.Events[0].NextStateNames[0]);
}
childrenId = null;
Save();
}
}
}
/// <summary>
/// 获取指定工作流、角色、时间段的实例集合
/// </summary>
/// <param name="workflowName">流程名称</param>
/// <param name="userIdentity">用户身份</param>
/// <param name="role">审批角色</param>
/// <param name="startDate">时间段起始时间</param>
/// <param name="endDate">时间段截止时间</param>
/// <returns></returns>
protected override InstanceCollection Distill(string workflowName, IUserIdentity userIdentity, ApprovalRole role, DateTime startDate, DateTime endDate)
{
InstanceCollection collection = new InstanceCollection();
List <ApprovalAssignment> assignments = WorkflowRuntime.Current.SaveService.GetAssignmentByToUnit(workflowName, userIdentity.GetUserUnitCode());
List <Guid> ids = new List <Guid>();
collection = new InstanceCollection();
foreach (ApprovalAssignment assignment in assignments)
{
if (string.IsNullOrEmpty(assignment.ToUserId))
{
if (!ids.Contains(assignment.WorkflowInstanceId))
{
ids.Add(assignment.WorkflowInstanceId);
}
}
}
foreach (Guid id in ids)
{
StateMachineWorkflowInstance instance = (StateMachineWorkflowInstance)WorkflowRuntime.Current.GetInstance(id);
if (instance.PersistTime > startDate && instance.PersistTime < endDate)
{
collection.Add(new InstanceWithRole(instance, role, false));
}
}
return(collection);
}
/// <summary>
/// 保存工作流实例
/// </summary>
/// <param name="instance"></param>
StateMachineWorkflowInstance IWorkflowPersistService.SaveWorkflowInstance(StateMachineWorkflowInstance instance)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
return(SaveWorkflowInstance(instance));
}
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
List <ApprovalAssignment> assignmentList = WorkflowRuntime.Current.GetService <IApprovalSaveService>().GetAssignment(instance.Id);
if (assignmentList.Count == 0)
{
return(false);
}
return(IsOthers(userIdentity, assignmentList));
}
/// <summary>
/// Gets the sub unit role list.
/// </summary>
/// <param name="taskStateList">The task state list.</param>
/// <param name="taskName">Name of the task.</param>
/// <returns></returns>
protected override List <StateMachineWorkflowInstance> GetSubUnitRoleList(List <string> taskStateList, string taskName)
{
List <StateMachineWorkflowInstance> instanceList = new List <StateMachineWorkflowInstance>();
foreach (string stateName in taskStateList)
{
ApprovalEvent taskEvent = new ApprovalEvent();
ApprovalState state = Workflow.GetStateByName(stateName);
if (state != null)
{
foreach (ApprovalEvent approvalEvent in state.Events)
{
foreach (EventRole role in approvalEvent.Roles)
{
if (role.Name == Rules.UserRole.Name && taskName == role.TaskName)
{
taskEvent = approvalEvent;
break;
}
}
}
//如果用户为二级单位专办员
if (Rules.IsCreator())
{
//如果该任务只允许立项创建者办理
if (taskEvent.Authorization != Authorization.DenyOwner.ToString())
{
instanceList.AddRange(GetOwnerList(new string[] { stateName }));
}
}
else
{
instanceList.AddRange(GetUnitList(new string[] { stateName }));
}
//非用户创建，但是属于指定专办的实例，且实例为指定状态
if (taskEvent.Authorization == Authorization.DenyOwner.ToString())
{
//其它二级单位专办员获得专办立项列表
List <ApprovalAssignment> assignmentList = WorkflowRuntime.Current.GetService <IApprovalSaveService>().GetAssignmentByToUnit(this.Workflow.Name, UnitCode);
foreach (ApprovalAssignment assignment in assignmentList)
{
StateMachineWorkflowInstance assignInstance = (StateMachineWorkflowInstance)WorkflowRuntime.Current.GetInstance(assignment.WorkflowInstanceId);
if (assignInstance.StateName == stateName)
{
instanceList.Add(assignInstance);
}
}
}
}
}
return(instanceList);
}
/// <summary>
/// Removes the children.
/// </summary>
public void RemoveChildren()
{
if (childrenId != null && childrenId.Count > 0)
{
foreach (Guid oneChild in childrenId)
{
StateMachineWorkflowInstance childInstance = WorkflowRuntime.Current.GetService <IWorkflowPersistService>().GetWorkflowInstance(oneChild);
childInstance.RemoveChildren();
WorkflowRuntime.Current.GetService <IWorkflowPersistService>().DeleteWorkflowInstance(childInstance);
}
this.childrenId = null;
}
}
/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to this instance.
/// </summary>
/// <param name="obj">The <see cref="System.Object"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
/// <exception cref="T:System.NullReferenceException">
/// The <paramref name="obj"/> parameter is null.
/// </exception>
public override bool Equals(object obj)
{
if (obj is StateMachineWorkflowInstance)
{
StateMachineWorkflowInstance o = (StateMachineWorkflowInstance)obj;
if (o.id == this.id)
{
return(true);
}
return(false);
}
return(false);
}
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
List <ApprovalRecord> records = WorkflowRuntime.Current.SaveService.GetRecord(instance.WorkflowName, instance.EaId);
foreach (ApprovalRecord record in records)
{
if (record.OperatorId == userIdentity.GetUserId() &&
record.OperatorRole == role.Name)
{
return(false);
}
}
return(true);
}
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
if (string.IsNullOrEmpty(this.StateNames))
{
throw new ApplicationException("请配置需要过滤的状态名");
}
string[] stateList = this.StateNames.Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
foreach (string one in stateList)
{
if (instance.CurrentState.Name.Equals(one.Trim(), StringComparison.OrdinalIgnoreCase))
{
return(true);
}
}
return(false);
}
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>
/// 满足则返回True，否则返回False
/// </returns>
internal bool InternalIsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
if (role == null)
{
throw new ArgumentNullException("role");
}
if (userIdentity == null)
{
throw new ArgumentNullException("userIdentity");
}
return(IsMatch(instance, role, userIdentity));
}
/// <summary>
/// 获取实例的操作项目集合,方法是从工作流配置xml文件中定义的操作(动作),如果是作为工具条形式提取,那么自动<see cref="GetToolbarAddtionActionItems"/>方法,附加额外的自定义项目.
/// </summary>
/// <param name="instance">某实例</param>
/// <param name="isTooBar">if set to <c>true</c> 工具条形式提取.</param>
/// <returns></returns>
public List <ITaskActionItem> GetInstanceActionItems(StateMachineWorkflowInstance instance, bool isTooBar)
{
List <ITaskActionItem> items = new List <ITaskActionItem>();
List <ApprovalRole> roles = WorkflowUtility.GetUserRoles(instance.WorkflowName, userIdentity.GetUserId());
//如是任务栏，则先添加任务栏相关的动作项目
if (isTooBar)
{
items.AddRange(GetToolbarAddtionActionItems(instance));
}
//遍历当前用户所有角色，添加每个角色对应的动作项目
foreach (ApprovalRole role in roles)
{
items.AddRange(GetInstanceActionItems(instance, role));
}
return(items);
}
/// <summary>
/// Executes the specified activity.
/// </summary>
/// <param name="activity">The activity.</param>
protected override void ExecuteActivity(Activity activity)
{
activity.OnInitialize(this);
//执行当前动作
activity.OnExecute(this);
//如果工作流动作完成,那么移动到下一步状态
if (activity.ExecutionStatus == ActivityExecutionStatus.Closed)
{
//添加当前动作到动作列表中
executedActivities.Add(activity);
if (activity is IBranchAction)
{
//分支动作,需要获取分支执行后选定的状态
IBranchAction branch = (IBranchAction)activity;
MoveOn(branch.GetSelectedState());
}
else
{
//顺序动作,从动作针对的事件名称中获取状态
ApprovalEvent currentEvent = CurrentState.GetEventByName(activity.EventName);
MoveOn(currentEvent.NextStateNames[0]);
}
}
//保存
Save();
if (this.stateRecordNames.Count > 0)
{
WorkflowRuntime.Current.OnWorkflowExecuted(new StateChangedEventArgs(this, this.stateRecordNames[stateRecordNames.Count - 1], stateName));
}
//如果是子流程的执行完成,那么还有判断其父流程是否也已经执行完毕,如果执行完毕,那么设置其父流程的下一步状态
if (this.CurrentStatus == WorkflowExecutionStatus.Closed && parentId != null && parentId != Guid.Empty)
{
StateMachineWorkflowInstance parentInstance = (StateMachineWorkflowInstance)WorkflowRuntime.Current.GetInstance(parentId);
parentInstance.OnChildFinished(this);
}
else if (this.CurrentStatus == WorkflowExecutionStatus.Aborted)
{
WorkflowRuntime.Current.OnWorkflowTerminated(new StateChangedEventArgs(this, this.stateRecordNames[stateRecordNames.Count - 1], stateName));
}
if (IsEnd())
{
WorkflowRuntime.Current.OnWorkflowCompleted(new StateChangedEventArgs(this, this.stateRecordNames[stateRecordNames.Count - 1], stateName));
}
}
/// <summary>
/// 从任务类表中除去已经指派给他人专办的项目
/// </summary>
/// <param name="instanceList">The instance list.</param>
protected virtual void RemoveAssignedInstance(List <StateMachineWorkflowInstance> instanceList)
{
//去除已指定他人专办的实例
for (int i = instanceList.Count - 1; i >= 0; i--)
{
StateMachineWorkflowInstance instance = instanceList[i];
List <ApprovalAssignment> assignmentList = approvalService.GetAssignmentByAssignToRole(this.workflow.Name, rules.UserRole.Name, instance.Id, instance.StateName);
//是否已指定同角色中他人专办标识
bool isAssignedToCurrentUser = true;
if (assignmentList.Count > 0)
{
foreach (ApprovalAssignment assignment in assignmentList)
{
if (assignment.ToUserId != null)
{
if (assignment.ToUserId.ToLower() == userIdentity.GetUserId().ToLower())
{
isAssignedToCurrentUser = true;
break;
}
//如果遍历所有委派列表没有当前用互的记录,则该任务未指定当前用户
else
{
isAssignedToCurrentUser = false;
}
}
}
}
//无指定记录则某认指定了所有人
else
{
isAssignedToCurrentUser = true;
}
//已指定专办标识为假，从List中除去该实例
if (!isAssignedToCurrentUser)
{
instanceList.Remove(instance);
}
}
}
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
//最后一个Activity的执行者是否为当前用户如果是返回false
if (instance == null)
{
throw new ArgumentNullException("instance");
}
StateMachineWorkflowInstance stateMachine = (StateMachineWorkflowInstance)WorkflowRuntime.Current.GetInstance(instance.Id);
//最后一个activity为空 返回true
if (stateMachine.LastActivity == null)
{
return(true);
}
//最后一个activity执行者与用户身份和角色匹配，返回false
if (string.Equals(stateMachine.LastActivity.UserId.Trim(), userIdentity.GetUserId().Trim(), StringComparison.OrdinalIgnoreCase) &&
string.Equals(stateMachine.LastActivity.UserApprovalRole, role.Name))
{
return(false);
}
return(true);
}
/// <summary>
/// 执行审批操作时进行的相关审批记录操作,如果要用不同的记录，必须重写该方法
/// </summary>
/// <param name="instance">The instance.</param>
protected virtual void TrackExecute(WorkflowInstance instance)
{
ApprovalRecord record = new ApprovalRecord();
IIdentityService service = WorkflowRuntime.Current.GetService <IIdentityService>();
if (service == null)
{
throw new WorkflowExecuteExeception("身份信息提供服务为空");
}
IUserIdentity userInfo = service.GetUserIdentity();
record.OperatorTime = DateTime.Now;
record.WorkflowInstanceId = instance.Id;
string currentUserId = userInfo.GetUserId();
record.OperatorId = userId;
record.OperatorName = userInfo.GetUserName();
record.OperatorUnitCode = userInfo.GetUserUnitCode();
ResetRecordAndUserId(record);
record.OperatorRole = this.UserApprovalRole;
record.EaId = instance.EaId;
StateMachineWorkflowInstance stateMachine = instance as StateMachineWorkflowInstance;
//如果没有定义活动的名称,那么从时间的描述中取出来
if (string.IsNullOrEmpty(this.activityName))
{
this.activityName = stateMachine.CurrentState.GetEventByName(eventName).Description;
}
record.ApprovalType = this.ActivityName;
record.StateName = stateMachine.CurrentState.Description;
record.SolutionInfo = solutionInfo;
WorkflowRuntime.Current.GetService <IApprovalSaveService>().InsertRecord(record);
this.recordId = record.Id;
}
/// <summary>
/// 插入一条新的工作流
/// </summary>
/// <param name="instance"></param>
StateMachineWorkflowInstance IWorkflowPersistService.InsertWorkflowInstance(StateMachineWorkflowInstance instance)
{
return(InsertWorkflowInstance(instance));
}
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
return(instance.CurrentState.Name == "Receiving" || instance.CurrentState.Name == "HandoutApplyPassport");
}
/// <summary> /// 获取实例中,指定的角色的可以执行的操作项目集合.即:从工作流配置文件xml中,如何提取可执行操作. /// </summary> /// <param name="instance">某实例</param> /// <param name="role">某角色</param> /// <returns></returns> public abstract List <ITaskActionItem> GetInstanceActionItems(StateMachineWorkflowInstance instance, ApprovalRole role);
/// <summary> /// 获取工具栏附加操作项目.在提取工作流实例可执行的操作集合,并呈现为工具条时(如:在立项详情页面的下面显示可执行的动作),除了在xml文件中定义的操作(动作)外,需要额外附加的动作项目. /// </summary> /// <param name="instance">某实例</param> /// <returns></returns> public abstract List <ITaskActionItem> GetToolbarAddtionActionItems(StateMachineWorkflowInstance instance);
/// <summary> ///获取某实例查询结果的操作项目集合 /// </summary> /// <param name="instance">某实例</param> /// <returns></returns> public abstract List <ITaskActionItem> GetQueryPageViewActionItems(StateMachineWorkflowInstance instance);
/// <summary>
/// Initializes a new instance of the <see cref="InstanceWithRole"/> class.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="role">The role.</param>
/// <param name="isOwner">当前的实例是否是用户自己的实例,还是别人指派实例</param>
public InstanceWithRole(StateMachineWorkflowInstance instance, ApprovalRole role, bool isOwner)
{
this.role = role;
this.instance = instance;
this.isOwner = isOwner;
}
/// <summary> /// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False /// </summary> /// <param name="instance">工作流实例</param> /// <param name="role">用户的审批角色</param> /// <param name="userIdentity">用户的身份</param> /// <returns> /// 满足则返回True，否则返回False /// </returns> protected abstract bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity);
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
return(instance.IsTerminated());
}
/// <summary> /// 插入一条新的工作流 /// </summary> /// <param name="instance"></param> protected abstract StateMachineWorkflowInstance InsertWorkflowInstance(StateMachineWorkflowInstance instance);
/// <summary>
/// 判断指定实例是否需要满足过滤条件，满足则返回True，否则返回False
/// </summary>
/// <param name="instance">工作流实例</param>
/// <param name="role">用户的审批角色</param>
/// <param name="userIdentity">用户的身份</param>
/// <returns>满足则返回True，否则返回False</returns>
protected override bool IsMatch(StateMachineWorkflowInstance instance, ApprovalRole role, IUserIdentity userIdentity)
{
return(WorkflowRuntime.Current.GetService <IWorkflowSecurityService>().IsMyTaskInstance(instance, userIdentity.GetUserId()));
}
