/// <summary>
/// 流程任务处理
/// </summary>
/// <param name="stepId">流程步骤Id</param>
/// <returns>返回操作结果</returns>
public OperationResult ActionTask(Guid stepId)
{
OperationResult or = new OperationResult(OperationResultType.Error);
String msg = String.Empty;
if (this.NowUser.IsNullOrEmpty())
{
msg = "流程启动者未空.";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
if (this.MainId.IsNullOrEmpty())
{
msg = "流程无主题依赖.";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
// 获取当前流程运行实例
List <WFRunInstance> instances = WFRunInstanceService.Entities.Where(c => c.MainId == MainId).ToList();
WFRunInstance runInstance = instances.FirstOrDefault();
if (runInstance.IsNullOrEmpty())
{
msg = "该流程不存在!";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
// 当前流程实例对应步骤信息
List <WFRunStep> rSteps = WFRunStepService.Entities.Where(c => c.InstanceId == runInstance.Id).OrderByDescending(c => c.Sort).ToList();
// 上去步骤
WFRunStep rStep = rSteps.FirstOrDefault(c => c.Id == stepId && c.Status == 0);
if (rStep.IsNullOrEmpty())
{
msg = "该步骤已过期或无效!";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
// 获取当前实例
WFInfo wfInfo = this.GetWFInstall(runInstance.DesignJSON);
List <Line> lines = wfInfo.Lines.Where(c => c.FromID == rStep.SId).ToList();
// 声明下一步骤默认处理者Id和名称
String rId = String.Empty;
foreach (Line line in lines)
{
Step toStep = wfInfo.Steps.Where(c => c.Id == line.ToID).FirstOrDefault();
String id = toStep.DefaultUser;
rId = rId.IsNullOrEmpty() ? id : rId + ";" + id;
WFRunStep item = new WFRunStep
{
Id = Guid.NewGuid(),
ParentId = rStep.Id,
SId = toStep.Id,
Name = toStep.Name,
FormUrl = toStep.FormUrl,
FormId = toStep.FormId.GetGuid(),
InstanceId = runInstance.Id,
SenderId = NowUser.Id,
SenderTime = DateTime.Now,
ReceiveTime = DateTime.Now,
ReceiveId = id,
Status = 0,
Sort = (rSteps.Count == 0 ? 1 : rSteps.Count) + 1
};
rSteps.Add(item);
if (!CreateStep.IsNullOrEmpty())
{
WFTaskArgs args = new WFTaskArgs(item, wfInfo, runInstance, NowUser);
CreateStep(args);
}
//tasks.Add(this.CreateTask(item, user, mainId, wfInfo.Name));
}
// 标记当前步骤完成
rStep.Status = 2;
rSteps.Add(rStep);
if (!CreateStep.IsNullOrEmpty())
{
WFTaskArgs args = new WFTaskArgs(rStep, wfInfo, runInstance, NowUser);
CreateStep(args);
}
or = WFRunStepService.AddOrUpdate(c => new { c.Id }, rSteps);
if (or.ResultType == OperationResultType.Success)
{
or = new OperationResult(OperationResultType.Success, "任务处理完成", true);
if (!WFComplete.IsNullOrEmpty())
{
WFTaskArgs args = new WFTaskArgs(rStep, wfInfo, runInstance, NowUser);
WFComplete(args);
}
}
else
{
or = new OperationResult(OperationResultType.QueryNull, "任务处理失败", false);
}
return(or);
}
/// <summary>
/// 根据指定参数启动流程
/// 根据指定步骤Id查询数据为空，则创建一个新流程
/// </summary>
/// <returns>返回操作结果</returns>
public OperationResult Execute()
{
OperationResult or = new OperationResult(OperationResultType.Error);
String msg = String.Empty;
if (this.DesignId.IsNullOrEmpty())
{
msg = "流程设计Id为空.";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
if (this.MainId.IsNullOrEmpty())
{
msg = "流程无主题依赖.";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
if (this.NowUser.IsNullOrEmpty())
{
msg = "流程启动者不能为空.";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
// 声明流程实例
WFInfo wfInfo = new WFInfo();
// 获取当前流程运行实例
List <WFRunInstance> instances = WFRunInstanceService.Entities.Where(c => c.MainId == this.MainId).ToList();
WFRunInstance runInstance = instances.FirstOrDefault();
// 如果流程实例不存在,这创建流程实例
if (runInstance.IsNullOrEmpty())
{
or = WFModelService.GetByKey(this.DesignId);
WFModel design = or.AppendData as WFModel;
if (!or.IsNullOrEmpty())
{
// 实例当前流程设计
wfInfo = this.GetWFInstall(design.DesignJSON);
runInstance = this.CreateInstance(design.DesignJSON, this.MainId, this.NowUser.Id);
}
else
{
msg = "流程模型未找到！";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
}
else
{
// 实例当前流程设计
wfInfo = this.GetWFInstall(runInstance.DesignJSON);
}
// 获取指定实体对应运行步骤信息
List <WFRunStep> rSteps = WFRunStepService.Entities.Where(c => c.InstanceId == runInstance.Id).OrderByDescending(c => c.Sort).ToList();
// 获得当前运行步骤
WFRunStep rStep = rSteps.FirstOrDefault();
Boolean isFirst = false;
// 判断步骤是否为空,如果为空则为第一次启动流程,并创建一个新步骤信息
if (rStep.IsNullOrEmpty())
{
// 流程当前步骤
Step step = wfInfo.Steps.Where(c => c.Id == wfInfo.FirstStepID).FirstOrDefault();
rStep = new WFRunStep
{
ParentId = Guid.Empty,
SId = step.Id,
FormId = step.FormId.GetGuid(),
Name = step.Name,
FormUrl = step.FormUrl,
InstanceId = runInstance.Id,
SenderId = this.NowUser.Id,
SenderTime = DateTime.Now,
Status = 2,
Sort = 1
};
isFirst = true;
}
// 获取当前步骤下一步路线
List <Line> lines = wfInfo.Lines.Where(c => c.FromID == rStep.SId).ToList();
// 判断当前步骤是否为空
if (lines.IsNullOrEmpty() || lines.Count == 0)
{
msg = "流程设计中连线存在问题.";
return(new OperationResult(OperationResultType.QueryNull, msg));
}
// 声明下一步骤默认处理者Id和名称
String rId = String.Empty;
foreach (Line line in lines)
{
Boolean isTrue = false;
// 判断连线是否满足规则
if (!line.Expression.IsNullOrEmpty())
{
isTrue = LineWhere(line.Expression, wfInfo.DBTableName);
}
if (!line.TSql.IsNullOrEmpty())
{
//or = WFModelService.Context.
SqlParameter s = new SqlParameter("@mainId", SqlDbType.UniqueIdentifier)
{
Value = "00000000-0000-0000-0000-000000000001".GetGuid()
};
Int32 result = WFModelService.DB.SqlQuery <Int32>(line.TSql, s).FirstOrDefault();
isTrue = result > 0 ? true : false;
//if (or.ResultType == OperationResultType.Success)
//{
// or.AppendData
// isTrue = true;
//}
}
//Boolean isTrue = true;
if (isTrue)
{
// 连线下一步骤
Step toStep = wfInfo.Steps.Where(c => c.Id == line.ToID).FirstOrDefault();
String id = toStep.DefaultUser;
rId = rId.IsNullOrEmpty() ? id : rId + ";" + id;
WFRunStep item = new WFRunStep
{
Id = Guid.NewGuid(),
ParentId = rStep.SId,
SId = toStep.Id,
Name = toStep.Name,
FormUrl = toStep.FormUrl,
InstanceId = runInstance.Id,
FormId = toStep.FormId.GetGuid(),
SenderId = NowUser.Id,
SenderTime = DateTime.Now,
ReceiveId = id,
Status = 0,
Sort = (rSteps.Count == 0 ? 1 : rSteps.Count) + 1
};
rSteps.Add(item);
//or = this.Insert(item);
if (!CreateStep.IsNullOrEmpty())
{
WFTaskArgs args = new WFTaskArgs(item, wfInfo, runInstance, NowUser);
CreateStep(args);
}
}
}
// 第一次创建流程
if (isFirst)
{
rStep.ReceiveId = rId;
rSteps.Add(rStep);
if (!CreateStep.IsNullOrEmpty())
{
WFTaskArgs args = new WFTaskArgs(rStep, wfInfo, runInstance, NowUser);
CreateStep(args);
}
}
or = WFRunStepService.AddOrUpdate(c => new { c.Id }, rSteps);
if (or.ResultType == OperationResultType.Success)
{
or = new OperationResult(OperationResultType.Success, "流程启动成功", true);
if (!WFComplete.IsNullOrEmpty())
{
WFTaskArgs args = new WFTaskArgs(rStep, wfInfo, runInstance, NowUser);
WFComplete(args);
}
}
else
{
or = new OperationResult(OperationResultType.QueryNull, "流程启动失败", false);
}
return(or);
}