/// <summary>
/// 验证
/// </summary>
/// <returns></returns>
protected virtual bool Validate(WorkflowArgsEntity args)
{
if (args.Task == null)
{
args.AddError("TaskNoExist");
return(false);
}
if (args.Flow == null)
{
args.AddError("FlowNoExist");
return(false);
}
if (args.Node == null)
{
args.AddError("NodeNoExist");
return(false);
}
if (args.Task.Status != TaskStatusType.Waiting)
{
args.AddError("TaskHandled");
return(false);
}
if (args.Task.Account == null || args.Task.Account.Id != args.AccountId)
{
args.AddError("NoAuthority");
return(false);
}
return(ValidateCreateTask(args));
}
/// <summary>
/// 验证修改
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
public virtual IList <IUnitofwork> Handle(WorkflowArgsEntity args)
{
if (args == null)
{
return(null);
}
if (args.AccountId == 0 || args.TaskId == 0 || args.LevelId == 0)
{
args.AddError("ParamterError");
return(null);
}
FillArgs(args);
if (!Validate(args))
{
return(null);
}
args.Entity = args.Entity.Id == 0 ? args.Entity : GetEntityByConditions(args);
var nodeIds = args.Flow.Nodes == null
? null
: args.Flow.Nodes.Where(it => it.Name == args.Node.Name).Select(it => it.Id).ToArray();
if (nodeIds == null || nodeIds.Length == 0)
{
return(null);
}
var currentTasks = GetCurrentTasks(args.Entity.Id, nodeIds);
args.CreateTasks(currentTasks);
if (args.NextTasks == null)
{
return(null);
}
SetEntityStatus(args);
return(Repository.Save(args.NextTasks));
}
/// <summary>
/// 得到流程
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
protected virtual bool ValidateCreateTask(WorkflowArgsEntity args)
{
if (args.Task != null)
{
return(true);
}
if (args.Task == null && args.Entity.SaveType == SaveType.Add)
{
return(true);
}
var query = new QueryInfo {
IsReturnCount = false
};
query.SetPageSize(1)
.Query <TaskEntity>()
.Where(it => it.DataId == args.Entity.Id && it.Flow.Id == args.Flow.Id)
.Select(it => it.Id);
var infos = Repository.GetEntities <TaskEntity>(query);
if (infos != null && infos.Count > 0)
{
args.AddError("TaskAlreadCreated");
return(false);
}
return(true);
}
