我们正在尝试使用 MS Bot Framework,但尚未完全弄清楚如何实现此场景:
我们有一个 LUIS 对话框(类型<object>
),它工作正常并且经过适当的培训。以常见的三明治为例,LUIS 意图寻找的基本内容是用户询问订单状态。如果问题中提供了订单号(“订单 1234 的状态是什么?”),则 LUIS 对话框会进行查找并直接报告状态(当前全部正常)。
但是,如果用户只是触发意图而不提供订单号(“我想查找订单的状态。”),我想启动另一个对话框/表单来询问用户是否愿意例如通过地址或订单号查找订单,然后根据他们的回答方式进行适当的数据库查找。
我只是不确定如何配置表单/对话框(或者甚至在这种情况下最好)来根据他们选择地址还是号码查找来进行不同的查找。
这是到目前为止的意图:
private readonly BuildFormDelegate<OrderStatusDialog> OrderStatusDelegate;
[LuisIntent(nameof(LuisIntents.OrderStatus))]
public async Task OrderStatus(IDialogContext context, LuisResult result)
{
// Order number(s) were provided
if (result.Entities.Any(Entity => Entity.Type == nameof(LuisEntityTypes.OrderNumber)))
{
// Loop in case they asked about multiple orders
foreach (var entity in result.Entities.Where(Entity => Entity.Type == nameof(LuisEntityTypes.OrderNumber)))
{
var orderNum = entity.Entity;
// Call webservice to check status
var request = new RestRequest(Properties.Settings.Default.GetOrderByNum, Method.GET);
request.AddUrlSegment("num", orderNum);
var response = await RestHelper.SendRestRequestAsync(request);
var parsedResponse = JObject.Parse(response);
if ((bool)parsedResponse["errored"])
{
await context.PostAsync((string)parsedResponse["errMsg"]);
continue;
}
// Grab status from returned JSON
var status = parsedResponse["orderStatus"].ToString();
await context.PostAsync($"The status of order {orderNum} is {status}");
}
context.Wait(MessageReceived);
}
// Order number was not provided
else
{
var orderStatusForm = new FormDialog<OrderStatusDialog>(new OrderStatusDialog(), OrderStatusDelegate,
FormOptions.PromptInStart);
context.Call<OrderStatusDialog>(orderStatusForm, CallBack);
}
}
private async Task CallBack(IDialogContext context, IAwaitable<object> result)
{
context.Wait(MessageReceived);
}
以及形式:
public enum OrderStatusLookupOptions
{
Address,
OrderNumber
}
[Serializable]
public class OrderStatusDialog
{
public OrderStatusLookupOptions? LookupOption;
public static IForm<OrderStatusDialog> BuildForm()
{
return new FormBuilder<OrderStatusDialog>()
.Message("In order to look up the status of a order, we will first need either the order number or your delivery address.")
.Build();
}
}