/// <summary>
/// 验证是否合法
/// </summary>
/// <param name="handler">IHandler处理器</param>
public static bool IsValid(Type CheckedType, DataTypes currentTypes)
{
//##获取特性
InputDataTypeLimitAttribute targetAttribute = Attribute.GetCustomAttribute(CheckedType, typeof(InputDataTypeLimitAttribute)) as InputDataTypeLimitAttribute;
//默认允许全部格式
if (targetAttribute == null)
{
return(true);
}
//检查(currentTypes需要在targetAttribute范围内)
return(targetAttribute.LimitedDataTypes.HasFlag(currentTypes));
}
/// <summary>
/// 处理数据(内部)
/// </summary>
/// <param name="openId">OpenID</param>
/// <param name="inputType">输入的类型</param>
/// <param name="rawData">Raw格式的数据</param>
/// <returns>响应结果</returns>
private IResponseMessage ProcessData(string openId, DataTypes inputType, object rawData)
{
#region 输入的数据格式
{
DataTypes allowTypes = DataTypes.InputAll; //默认为接收全部类型
Type handlerType = null;
//获取目标处理器的类型
switch (CurrentNode.NodeStatus)
{
case NodeStatusTypes.Dealing:
if (CurrentNode.DealingHandler != null)
{
handlerType = CurrentNode.DealingHandler.GetType();
}
break;
case NodeStatusTypes.Doned:
if (CurrentNode.DonedHandler != null)
{
handlerType = CurrentNode.DealingHandler.GetType();
}
break;
}
//根据类型，获得 InputDataTypeLimit 特性
if (handlerType != null)
{
InputDataTypeLimitAttribute attribute = Attribute.GetCustomAttribute(handlerType, typeof(InputDataTypeLimitAttribute)) as InputDataTypeLimitAttribute;
if (attribute != null) //有标记具体的特性，则使用具体的类型；否则默认为全部格式。
{
allowTypes = attribute.LimitedDataTypes;
}
}
//执行此次输入数据的类型检查
if (allowTypes.HasFlag(inputType) == false) //允许列表不包含“此次类型”
{
return(new ResponseTextMessage(String.Format(@"您輸入的內容，其類型不符合要求，請重新輸入。
預期的類型有：{0}
此次的類型是：{1}
", allowTypes.GetDescription(),
inputType.GetDescription()
)));
}
}
#endregion
switch (CurrentNode.NodeStatus)
{
case NodeStatusTypes.Created:
{ //##刚创建成功，切换状态并显示“处理的提示消息”
CurrentNode.MarkSuccess_ThisNodeStatus();
return(CurrentNode.DealingHandler.ReadyMessage);
}
case NodeStatusTypes.Dealing:
{ //##进行“处理中”状态
if (CurrentNode.DealingHandler == null)
{
return(null);
}
//##检查类型，允许指定多种格式
if (DataTypeValidator.IsValid(CurrentNode.DealingHandler.GetType(), inputType) == false)
{
return(DealFailResponseResult(CurrentNode.DealingHandler, "輸入的資料類型不正確，請重新輸入。"));
}
//##处理
HandlerResult ret = CurrentNode.DealingHandler.HandlerData(openId, inputType, rawData);
if (ret == HandlerResult.Success)
{
CurrentNode.MarkSuccess_ThisNodeStatus();
return(DealSuccessResponseResult(CurrentNode.DealingHandler, CurrentNode.DonedHandler));
}
else
{
return(DealFailResponseResult(CurrentNode.DealingHandler));
}
}
case NodeStatusTypes.Doned:
{ //##处理完成，等待用户选择其他处理。
if (CurrentNode.DonedHandler == null)
{
//返回主菜单
return(new ResponseJumpNode(ConstString.ROOT_NODE_ID));
}
//##检查类型
if (DataTypeValidator.IsValid(CurrentNode.DonedHandler.GetType(), inputType) == false)
{
return(DealFailResponseResult(CurrentNode.DonedHandler, "輸入的資料類型不正確，請重新輸入。"));
}
//##处理
HandlerResult ret = CurrentNode.DonedHandler.HandlerData(openId, inputType, rawData);
if (ret == HandlerResult.Success)
{
CurrentNode.MarkSuccess_ThisNodeStatus();
return(CurrentNode.DonedHandler.SuccessResponseResult);
}
else
{
return(CurrentNode.DonedHandler.FailResponseResult);
}
}
case NodeStatusTypes.Finalized:
{
throw new InvalidOperationException("CurrentNode.NodeStatus状态异常", new ArgumentOutOfRangeException("状态为Finalized是不合理的应用结果。"));
}
}
return(null);
}