/// <summary>
/// Open a worklist item by serial number
/// </summary>
/// <param name="con">The worklist connection</param>
/// <param name="serialNumber">The serial number</param>
/// <param name="sharedUser">The shared user</param>
/// <param name="managedUser">The manager user</param>
/// <returns>The worklist item</returns>
public K2.WorklistItem OpenWorklistItem(Connection con, string serialNumber, string sharedUser, string managedUser, bool alloc)
{
K2.WorklistItem worklistItem = null;
if (sharedUser == string.Empty && managedUser == string.Empty)
{
worklistItem = con.OpenWorklistItem(serialNumber, "ASP", alloc);
}
if (sharedUser != string.Empty && managedUser == string.Empty)
{
worklistItem = con.OpenSharedWorklistItem(sharedUser, managedUser, serialNumber, "ASP", alloc);
}
if (sharedUser == string.Empty && managedUser != string.Empty)
{
worklistItem = con.OpenManagedWorklistItem(managedUser, serialNumber, "ASP", alloc);
}
if (sharedUser != string.Empty && managedUser != string.Empty)
{
worklistItem = con.OpenSharedWorklistItem(sharedUser, managedUser, serialNumber, "ASP", alloc);
}
if (worklistItem == null)
{
throw new InvalidOperationException(string.Format("Not Found", serialNumber));
}
return(worklistItem);
}
/// <summary>
/// 审批流程实例
/// </summary>
/// <param name="SN">流程编号</param>
/// <param name="DicDataFields">流程参数</param>
/// <param name="ManagedUser">流程审批者</param>
/// <param name="SharedUser">流程共同审批者</param>
/// <param name="ActionName">流程动作</param>
/// <param name="Platform">流程审批页面平台</param>
public static void ApprovalProcessInstance(string SN, Dictionary <string, object> DicDataFields, string ApprovalUserInfoString)
{
Connection Connection = GetK2Connection();//创建K2 链接
try
{
ApprovalUserInfo ApprovalUserInfo = ApprovalUserInfoString.ToObject <ApprovalUserInfo>();
ImpersonateUser(Connection, ApprovalUserInfo.ApprovalUserId);
//获取流程工作项
SourceCode.Workflow.Client.WorklistItem wit = GetWorkListItemBySN(Connection, SN, ApprovalUserInfo.ManagedUser, ApprovalUserInfo.SharedUser, PLATFORM);
BatchSetInstanceDataFields(wit, DicDataFields);
//添加审批历史
AddProcessInstanceApprovalHistory(wit, ApprovalUserInfo);
//设置审批动作 （节点审批成功(任务自动完成)）
string ActionName = string.IsNullOrEmpty(ApprovalUserInfo.ActionName) ? ACTIONNAME : ApprovalUserInfo.ActionName;
//执行审批动作
wit.Actions[ActionName].Execute();
}
catch (Exception ex)
{
throw new K2Exception(ex.ToString());
}
finally
{
// 关闭连接
if (Connection != null)
{
Connection.Close();
}
}
}
/// <summary>
/// Delegate or shared worklist to the specific user
/// </summary>
/// <param name="serialNumber">The serial number</param>
/// <param name="destination">The specific user</param>
public void DelegateWorklistItem(string serialNumber, string destination)
{
try {
using (Connection workflowClient = this.GetWorkflowClient()) {
K2.WorklistItem worklistItem = workflowClient.OpenWorklistItem(serialNumber, null, false);
if (worklistItem == null)
{
throw new InvalidOperationException(string.Format("Not Found", serialNumber));
}
K2.Destination destination2 = new K2.Destination();
foreach (K2.Action action in worklistItem.Actions)
{
if (action != null)
{
destination2.AllowedActions.Add(action.Name);
}
}
destination2.Name = destination;
destination2.DestinationType = DestinationType.User;
worklistItem.Delegate(destination2);
}
} catch (UnauthorizedAccessException ex) {
throw ex;
} catch (SmartException ex) {
throw ex;
}
}
/// <summary>
/// 获取流程实例审批历史（转JSON）
/// </summary>
/// <param name="SN"></param>
/// <param name="ApprovalUserId"></param>
/// <returns></returns>
public static string GetProcessInstanceApprovalHistory(string SN, string ApprovalUserId)
{
Connection connection = GetK2Connection();
try
{
ImpersonateUser(connection, ApprovalUserId);
SourceCode.Workflow.Client.WorklistItem worklistItem = connection.OpenWorklistItem(SN);
string ApprovalResultXML = worklistItem.ProcessInstance.XmlFields["ApprovalResult"].Value;
if (ApprovalResultXML != null)
{
XMLApproval xmlApproval = new XMLApproval();
xmlApproval.LoadFromXML(ApprovalResultXML);
return(xmlApproval.mobj.ToJson());
}
return("");
}
catch (Exception ex)
{
throw new K2Exception(ex.ToString());
}
finally
{
// 关闭连接
if (connection != null)
{
connection.Close();
}
}
}
public static void Sleep(string sn, int second)
{
SourceCode.Workflow.Client.Connection con = new Connection();
try
{
ConnectionSetup conSetup = GetConnectionSetup();
con.Open(conSetup);
con.ImpersonateUser(_CurrentUser);
SourceCode.Workflow.Client.WorklistItem listItem = con.OpenWorklistItem(sn);
listItem.Sleep(true, second);
}
catch (Exception ex)
{
// TODO: throw?
throw ex;
}
finally
{
try
{
con.RevertUser();
}
catch
{
throw;
}
if (con != null)
{
con.Close();
}
}
}
/// <summary>
/// 添加流程实例审批历史
/// </summary>
public static void AddProcessInstanceApprovalHistory(SourceCode.Workflow.Client.WorklistItem worklistItem, ApprovalUserInfo ApprovalUserInfo)
{
//获取流程审批历史
string ApprovalResultXML = GetInstanceDataFields(worklistItem, "ApprovalResult", true);
string LastApprovalResultXML = GetInstanceDataFields(worklistItem, "LastApprovalResult", true);
ApprovalResultXML = XMLApproval.ToResultXML(ApprovalResultXML);
LastApprovalResultXML = XMLApproval.ToResultXML(LastApprovalResultXML);
XMLApproval xmlApproval = new XMLApproval();
//增加一个审批记录
xmlApproval.LoadFromXML(ApprovalResultXML);
xmlApproval.AddApproval(ApprovalUserInfo.ApprovalUserName, ApprovalUserInfo.ApprovalUserId, ApprovalUserInfo.ComAuditText, ApprovalUserInfo.ComAuditComment, GetCurrentActivityName(worklistItem));
SetInstanceDataFields(worklistItem, "ApprovalResult", xmlApproval.ToXML(), true);
//设置最后审批历史记录
xmlApproval.LoadFromXML(LastApprovalResultXML);
xmlApproval.SetLastApproval(ApprovalUserInfo.ApprovalUserName, ApprovalUserInfo.ApprovalUserId, ApprovalUserInfo.ComAuditText, ApprovalUserInfo.ComAuditComment, GetCurrentActivityName(worklistItem));
SetInstanceDataFields(worklistItem, "LastApprovalResult", xmlApproval.ToXML(), true);
//设置审批结果
SetInstanceDataFields(worklistItem, "ComAuditComment", ApprovalUserInfo.ComAuditComment, false);
SetInstanceDataFields(worklistItem, "ComAuditResult", ApprovalUserInfo.ComAuditResult, false);
}
/// <summary>
/// 批量修改流程实例数据字段
/// </summary>
public static void BatchSetInstanceDataFields(SourceCode.Workflow.Client.WorklistItem worklistItem, Dictionary <string, object> DicDataFields)
{
foreach (var dic in DicDataFields)
{
worklistItem.ProcessInstance.DataFields[dic.Key].Value = dic.Value;
}
}
/// <summary>
/// 根据SN 获取流程工作项
/// </summary>
/// <param name="Connection">K2 链接</param>
/// <param name="sn">SN 流程编号</param>
/// <param name="ManagedUser">审批者</param>
/// <param name="SharedUser">共同审批者</param>
/// <param name="Platform">平台</param>
/// <returns></returns>
public static SourceCode.Workflow.Client.WorklistItem GetWorkListItemBySN(Connection Connection, string sn, string ManagedUser, string SharedUser, string Platform)
{
SourceCode.Workflow.Client.WorklistItem worklistItem = null;
//正常的
if ((string.IsNullOrEmpty(SharedUser)) && (ManagedUser == string.Empty))
{
worklistItem = Connection.OpenWorklistItem(sn, Platform);
}
if ((!string.IsNullOrEmpty(SharedUser)) && (ManagedUser == string.Empty))
{
worklistItem = Connection.OpenSharedWorklistItem(SharedUser, ManagedUser, sn);
}
if ((string.IsNullOrEmpty(SharedUser)) && (ManagedUser != string.Empty))
{
worklistItem = Connection.OpenManagedWorklistItem(ManagedUser, sn);
}
// 检查是否为委托的
if ((!string.IsNullOrEmpty(SharedUser)) && (ManagedUser != string.Empty))
{
worklistItem = Connection.OpenSharedWorklistItem(SharedUser, ManagedUser, sn);
}
return(worklistItem);
}
/// <summary>
/// Sleep worklist item by Serial Number
/// </summary>
/// <param name="serialNumber">The Serial Number of worklist item</param>
/// <param name="hours">The durations in Hours</param>
public void SleepWorklistItem(string serialNumber, int hours, string sharedUser, string managedUser)
{
try {
using (Connection workflowClient = this.GetWorkflowClient()) {
K2.WorklistItem worklistItem = workflowClient.OpenWorklistItem(serialNumber, "ASP", false, false, managedUser, sharedUser);
if (worklistItem == null)
{
throw new InvalidOperationException(string.Format("Not Found", serialNumber));
}
var duration = GetCalulateSeconds(hours);
if (duration <= 0)
{
worklistItem.Sleep(false);
}
else
{
worklistItem.Sleep(true, duration);
}
}
} catch (SmartException ex) {
throw ex;
}
}
/// <summary>
/// Execute a worklist item's action by serial number
/// </summary>
/// <param name="serial">The serial number</param>
/// <param name="actionName">The worklist item's action name</param>
/// <param name="commonKey">The Common key data field</param>
/// <param name="comment">The worklist item's comment</param>
public void ExecuteWorklistItem(string serial, string actionName, IDictionary <string, object> dataFields)
{
if (dataFields == null)
{
dataFields = new Dictionary <string, object>();
}
using (Connection conn = GetWorkflowClient()) {
string sharedUser = GetSharedUsersBySerialNumber(serial);
string managedUser = GetFQN();
SourceCode.Workflow.Client.WorklistItem item = conn.OpenWorklistItem(serial, "ASP", false, false, managedUser, sharedUser);
if (item == null || item.Actions[actionName] == null)
{
return;
}
string commentKey = string.Empty, comment = string.Empty;
foreach (string key in _comments)
{
comment = dataFields.SingleOrDefault(p => p.Key == key).Value?.ToString();
dataFields.Remove(key);
if (!string.IsNullOrEmpty(comment))
{
break;
}
}
;
if (!string.IsNullOrEmpty(comment))
{
foreach (K2.DataField dataField in item.ProcessInstance.DataFields)
{
commentKey = _comments.SingleOrDefault(p => p == dataField.Name);
if (!string.IsNullOrEmpty(commentKey))
{
item.ProcessInstance.DataFields[commentKey].Value = comment;
break;
}
}
}
if (dataFields != null && dataFields.Count > 0)
{
List <string> keys = dataFields.Keys.ToList();
keys.ForEach((key) => {
item.ProcessInstance.DataFields[key].Value = dataFields[key];
});
}
item.Actions[actionName].Execute();
}
}
/// <summary>
/// To execute Worklist Item action by serial number and action name
/// </summary>
/// <param name="sn">The worklist item serial number</param>
/// <param name="actionName">The Action name</param>
public void ExecuteWorklistItem(string sn, string actionName, string sharedUser, string managedUser)
{
using (Connection conn = GetWorkflowClient())
{
K2.WorklistItem item = conn.OpenWorklistItem(sn, "ASP", false, false, managedUser, sharedUser);
if (item == null || item.Actions[actionName] == null)
{
return;
}
item.Actions[actionName].Execute();
}
}
//修改流程实例数据字段
public static void SetInstanceDataFields(SourceCode.Workflow.Client.WorklistItem worklistItem, string fieldName, string fieldValue, bool isXMLField)
{
if (worklistItem != null)
{
if (isXMLField)
{
worklistItem.ProcessInstance.XmlFields[fieldName].Value = fieldValue;
}
else
{
worklistItem.ProcessInstance.DataFields[fieldName].Value = fieldValue;
}
}
}
public static WorklistItem FromApi(K2API.WorklistItem wli)
{
return(new WorklistItem {
AllocatedUser = wli.AllocatedUser,
Data = wli.Data,
ID = (long)wli.ID,
SerialNumber = wli.SerialNumber,
Status = (WorklistStatus)wli.Status,
Actions = ActionCollection.FromApi(wli.Actions),
ActivityInstanceDestination = ActivityInstanceDestination.FromApi(wli.ActivityInstanceDestination),
EventInstance = EventInstance.FromApi(wli.EventInstance),
ProcessInstance = ProcessInstance.FromApi(wli.ProcessInstance)
});
}
public void ToApi(SourceCode.Workflow.Client.WorklistItem wli)
{
if (this.ActivityInstanceDestination != null)
{
this.ActivityInstanceDestination.ToApi(wli.ActivityInstanceDestination);
}
if (this.EventInstance != null)
{
this.EventInstance.ToApi(wli.EventInstance);
}
if (this.ProcessInstance != null)
{
this.ProcessInstance.ToApi(wli.ProcessInstance);
}
}
/// <summary>
/// Share worlist item to some users by serial number
/// </summary>
/// <param name="serialNumber">The worklist item's serial number</param>
/// <param name="destination">The destination users</param>
public void Share(string serialNumber, string destination)
{
try {
using (Connection workflowClient = this.GetWorkflowClient()) {
K2.WorklistItem worklistItem = workflowClient.OpenWorklistItem(serialNumber, null, false);
if (worklistItem == null)
{
throw new InvalidOperationException(string.Format("Not Found", serialNumber));
}
worklistItem.Delegate(new K2.Destination(destination));
}
} catch (UnauthorizedAccessException ex) {
throw ex;
}
}
/// <summary>
/// 审批流程
/// </summary>
/// <param name="sn">流程SN,必选</param>
/// <param name="action">流程操作,为空则默认执行第0个操作</param>
/// <param name="folio">流程编码,可选</param>
/// <param name="dataFields">流程变量,必选</param>
public static void ExecuteProcess(string sn, string action, string folio, string currentUser, CDataFields dataFields)
{
using (Connection conn = new Connection())
{
try
{
ConnectionSetup conSetup = GetConnectionSetup();
conn.Open(conSetup);
conn.RevertUser();
conn.ImpersonateUser(currentUser);
SourceCode.Workflow.Client.WorklistItem listItem = conn.OpenWorklistItem(sn);
SetDataFields(listItem, dataFields);
if (!string.IsNullOrEmpty(folio))
{
listItem.ProcessInstance.Folio = folio;
}
if (!string.IsNullOrEmpty(action))
{
listItem.Actions[action].Execute();
}
else
{
listItem.Actions[0].Execute();
}
}
catch
{
// TODO: throw?
throw;
}
finally
{
try
{
conn.RevertUser();
}
catch
{ }
if (conn != null)
{
conn.Close();
}
}
}
}
private Domain.K2.WorklistItem ConvertTaskObject(K2.WorklistItem wli)
{
var actions = new List <string>();
for (int i = 0; i < wli.Actions.Count; i++)
{
actions.Add(wli.Actions[i].Name);
}
return(new Domain.K2.WorklistItem()
{
ActInstDestName = wli.ActivityInstanceDestination.Name,
Actions = actions,
SerialNumber = wli.SerialNumber,
AllocatedUser = wli.AllocatedUser
});
}
public static void Delegate(string sn, string targetUser)
{
SourceCode.Workflow.Client.Connection con = new Connection();
try
{
ConnectionSetup conSetup = GetConnectionSetup();
con.Open(conSetup);
con.ImpersonateUser(_CurrentUser);
SourceCode.Workflow.Client.WorklistItem listItem = con.OpenWorklistItem(sn);
listItem.Release();
Destination dest = new Destination();
dest.DestinationType = DestinationType.User;
for (int i = 0; i < listItem.Actions.Count; i++)
{
dest.AllowedActions.Add(listItem.Actions[i].Name);
}
dest.Name = targetUser;
listItem.Delegate(dest);
DBManager.AddWorkListLog(_CurrentUser, targetUser, listItem.SerialNumber, listItem.ProcessInstance.ID, listItem.ActivityInstanceDestination.ID, "Delegate", _CurrentUser);
}
catch (Exception ex)
{
// TODO: throw?
throw ex;
}
finally
{
try
{
con.RevertUser();
}
catch
{
throw;
}
if (con != null)
{
con.Close();
}
}
}
/// <summary>
/// 获取流程实例数据字段
/// </summary>
/// <param name="oK2Connection"></param>
/// <param name="sn"></param>
/// <param name="fieldName"></param>
/// <param name="isXMLField"></param>
/// <param name="managedUser"></param>
/// <param name="sharedUser"></param>
/// <returns></returns>
public static string GetInstanceDataFields(SourceCode.Workflow.Client.WorklistItem worklistItem, string fieldName, bool isXMLField)
{
string retValue = "";
if (worklistItem != null)
{
if (isXMLField)
{
retValue = worklistItem.ProcessInstance.XmlFields[fieldName].Value.ToString();
}
else
{
retValue = worklistItem.ProcessInstance.DataFields[fieldName].Value.ToString();
}
}
return(retValue);
}
/// <summary>
/// Call and execute worklist item's action
/// </summary>
/// <param name="serialNumber">The worklist item's serial number</param>
/// <param name="action">The worklist item's action name</param>
/// <param name="synchronous">The execution by synchronus or asynchronous</param>
/// <param name="allowNonBatch">The allow non batch</param>
/// <param name="item">The worklist item</param>
/// <param name="sharedUser">The shared users</param>
/// <param name="managedUser">The manager user</param>
private void ExecuteAction(string serialNumber, string action, bool synchronous, bool allowNonBatch, Cores.WorklistItem item, string sharedUser, string managedUser)
{
string text = action.ToUpperInvariant();
if (text.StartsWith("A:") || text.StartsWith("ACTION:"))
{
action = RemovePrefix(action);
}
else
{
if (text.StartsWith("R:") || text.StartsWith("REDIRECT:"))
{
this.Redirect(serialNumber, RemovePrefix(action));
return;
}
if (text.StartsWith("D:") || text.StartsWith("DELEGATE:"))
{
this.DelegateWorklistItem(serialNumber, RemovePrefix(action));
return;
}
}
using (Connection workflowClient = this.GetWorkflowClient()) {
K2.WorklistItem worklistItem = this.OpenWorklistItem(workflowClient, serialNumber, sharedUser, managedUser);
K2.Action newAction = worklistItem.Actions[action];
if (newAction == null)
{
throw new InvalidOperationException(string.Format("Not Found", action));
}
if (!newAction.Batchable && !allowNonBatch)
{
throw new InvalidOperationException(string.Format("Not Batchable", action));
}
if (item != null)
{
item.ToApi(worklistItem);
}
newAction.Execute(synchronous);
}
}
public static void Approve(string sn, string action, NameValueCollection dataFields)
{
SourceCode.Workflow.Client.Connection con = new Connection();
try
{
ConnectionSetup conSetup = GetConnectionSetup();
con.Open(conSetup);
con.ImpersonateUser(_CurrentUser);
SourceCode.Workflow.Client.WorklistItem listItem = con.OpenWorklistItem(sn);
listItem.Release();
if (dataFields != null)
{
for (int i = 0; i < dataFields.Count; i++)
{
string key = dataFields.GetKey(i).ToString();
string value = dataFields[key].ToString();
listItem.ProcessInstance.DataFields[key].Value = value;
}
}
listItem.Actions[action].Execute();
}
catch (Exception ex)
{
// TODO: throw?
throw ex;
}
finally
{
try
{
con.RevertUser();
}
catch
{ }
if (con != null)
{
con.Close();
}
}
}
public List <string> GetSharedUsers(string sn)
{
List <string> destUsers = new List <string>();
K2.WorklistItem wItem = null;
try
{
wItem = _client.GetWorklistItem(sn);
if (wItem == null)
{
throw new System.InvalidOperationException(string.Format("Not Found", sn));
}
var delegateUsers = wItem.DelegatedUsers;
if (delegateUsers != null && delegateUsers.Count > 0)
{
foreach (K2.Destination dest in delegateUsers)
{
if (dest.Name.IsCaseInsensitiveEqual(_userAccount))
{
continue;
}
var criteria = K2Service.Cores.SecurityLabelUtils.GetNameWithoutLabel(dest.Name).ToLower();
destUsers.Add(criteria);
}
}
wItem.Release();
return(destUsers);
}
catch (Exception)
{
return(destUsers);
}
}
/// <summary>
/// Delegate or shared worklist to other users
/// </summary>
/// <param name="serialNumber">The serial number</param>
/// <param name="destinations">The other users</param>
public void Share(string serialNumber, IList <string> destinations)
{
try
{
K2.WorklistItem worklistItem = GetWorklistItem(serialNumber);
if (worklistItem == null)
{
throw new InvalidOperationException(string.Format("Not Found", serialNumber));
}
if (destinations == null || destinations.Count == 0)
{
throw new InvalidOperationException(string.Format("Destination users is null or empty"));
}
var destinationUsers = new K2.Destinations();
foreach (string dest in destinations)
{
K2.Destination destination = new K2.Destination();
foreach (K2.Action action in worklistItem.Actions)
{
if (action != null)
{
destination.AllowedActions.Add(action.Name);
}
}
destination.Name = dest;
destination.DestinationType = DestinationType.User;
destinationUsers.Add(destination);
}
worklistItem.Delegate(destinationUsers);
}
catch (Exception ex)
{
}
}
/// <summary>
/// 挂起
/// </summary>
/// <param name="sn"></param>
/// <param name="sourceUser"></param>
/// <param name="second"></param>
public static void SleepWorkListItem(string sn, string sourceUser, int second)
{
using (Connection conn = new Connection())
{
try
{
ConnectionSetup conSetup = GetConnectionSetup();
conn.Open(conSetup);
conn.ImpersonateUser(sourceUser);
SourceCode.Workflow.Client.WorklistItem listItem = conn.OpenWorklistItem(sn);
listItem.Sleep(true, second);
}
catch
{
// TODO: throw?
throw;
}
finally
{
try
{
conn.RevertUser();
}
catch
{
throw;
}
if (conn != null)
{
conn.Close();
}
}
}
}
/// <summary>
/// 任务移交
/// </summary>
/// <param name="sn">任务SN</param>
/// <param name="sourceUser">源用户</param>
/// <param name="targetUser">目标用户</param>
public static void RedirectWorkListItem(string sn, string sourceUser, string targetUser)
{
using (Connection conn = new Connection())
{
try
{
ConnectionSetup conSetup = GetConnectionSetup();
conn.Open(conSetup);
conn.ImpersonateUser(sourceUser);
SourceCode.Workflow.Client.WorklistItem listItem = conn.OpenWorklistItem(sn);
listItem.Redirect(targetUser);
}
catch (Exception ex)
{
// TODO: throw?
throw ex;
}
finally
{
try
{
conn.RevertUser();
}
catch
{
throw;
}
if (conn != null)
{
conn.Close();
}
}
}
}
public static void Redirect(string sn, string targetUser)
{
SourceCode.Workflow.Client.Connection con = new Connection();
try
{
ConnectionSetup conSetup = GetConnectionSetup();
con.Open(conSetup);
con.ImpersonateUser(_CurrentUser);
SourceCode.Workflow.Client.WorklistItem listItem = con.OpenWorklistItem(sn);
listItem.Release();
listItem.Redirect(targetUser);
DBManager.AddWorkListLog(_CurrentUser, targetUser, listItem.SerialNumber, listItem.ProcessInstance.ID, listItem.ActivityInstanceDestination.ID, "Redirect", _CurrentUser);
}
catch (Exception ex)
{
// TODO: throw?
throw ex;
}
finally
{
try
{
con.RevertUser();
}
catch
{
throw;
}
if (con != null)
{
con.Close();
}
}
}
/// <summary>
/// 获取当前流程实例节点名称
/// </summary>
/// <param name="worklistItem"></param>
/// <returns></returns>
public static string GetCurrentActivityName(SourceCode.Workflow.Client.WorklistItem worklistItem)
{
return(worklistItem.ActivityInstanceDestination.Name);
}
/// <summary>
/// 委托代办
/// </summary>
/// <param name="sn"></param>
/// <param name="sourceUser"></param>
/// <param name="targetUser"></param>
public static string DelegateWorkListItem(string sn, string sourceUser, string targetUser)
{
using (Connection conn = new Connection())
{
string result = "";
bool ContainsTargetUser = false;
try
{
string targetUserSL = SecurityLabelName + ":" + targetUser;
ConnectionSetup conSetup = GetConnectionSetup();
conn.Open(conSetup);
conn.ImpersonateUser(sourceUser);
SourceCode.Workflow.Client.WorklistItem listItem = conn.OpenWorklistItem(sn);
//重置任务状态为Available，只有Available状态下的任务才有权限代理
listItem.Release();
//判断该任务是否已经代理给targetUser
foreach (Destination destuser in listItem.DelegatedUsers)
{
if (destuser.Name.Equals(targetUserSL, StringComparison.InvariantCultureIgnoreCase))
{
ContainsTargetUser = true;
result = "任务不能重复代理给[" + targetUser + "]";
break;
}
}
if (!ContainsTargetUser)
{
//如果该任务是其它人代理给sourceUser的，则sourceUser不能再次代理给targetUser，即禁止传递代理
DataTable DelegationLog = K2DBHelper.GetDelegationsLog(listItem.SerialNumber).Tables[0];
foreach (DataRow dr in DelegationLog.Rows)
{
if (sourceUser.Equals(dr["ToUser"].ToString(), StringComparison.InvariantCultureIgnoreCase))
{
ContainsTargetUser = true;
result = "该任务由[" + dr["FromUser"].ToString() + "]代理给[" + sourceUser + "]";
break;
}
}
}
if (!ContainsTargetUser)
{
Destination dest = new Destination();
dest.DestinationType = DestinationType.User;
for (int i = 0; i < listItem.Actions.Count; i++)
{
dest.AllowedActions.Add(listItem.Actions[i].Name);
}
dest.Name = targetUserSL;
//代理任务
listItem.Delegate(dest);
//Todo:给代理人邮件
//Todo：添加代理历史记录
int parentProcInstID = K2DBHelper.GetRootParentsID(listItem.ProcessInstance.ID);
K2DBHelper.AddDelegationsLog(listItem.ProcessInstance.ID, parentProcInstID, sn, sourceUser, targetUser, sourceUser);
result = "任务代理成功";
}
return(result);
}
catch
{
// TODO: throw?
throw;
}
finally
{
try
{
conn.RevertUser();
}
catch
{
throw;
}
if (conn != null)
{
conn.Close();
}
}
}
}
/// <summary>
/// Open a worklist item by serial number
/// </summary>
/// <param name="con">The worklist connection</param>
/// <param name="serialNumber">The serial number</param>
/// <param name="sharedUser">The shared user</param>
/// <param name="managedUser">The manager user</param>
/// <returns>The worklist item</returns>
public K2.WorklistItem OpenWorklistItem(Connection con, string serialNumber, string sharedUser, string managedUser)
{
K2.WorklistItem worklistItem = OpenWorklistItem(con, serialNumber, sharedUser, managedUser, true);
return(worklistItem);
}