private static async Task <ActionExecutionContext> RunActions(ILuisService luisService, IList <ActionExecutionContext> actions)
{
if (actions == null || actions.Count == 0)
{
Console.WriteLine(">> ERROR: Action chain cannot be null or empty.");
return(null);
}
var actionExecutionContext = actions.First();
var intentAction = actions.First().Action;
actions.RemoveAt(0);
if (actions.Count > 0)
{
await RunActions(luisService, actions);
}
var validationResults = default(ICollection <ValidationResult>);
bool isValid = intentAction.IsValid(out validationResults);
while (!isValid)
{
var fieldValidation = validationResults.FirstOrDefault();
if (fieldValidation != null)
{
var paramName = fieldValidation.MemberNames.First();
Console.Write("({0}) {1}: ", paramName, fieldValidation.ErrorMessage);
var input = Console.ReadLine();
var queryResult = await LuisActionResolver.QueryValueFromLuisAsync(luisService, intentAction, paramName, input, CancellationToken.None);
if (!queryResult.Succeed && !string.IsNullOrWhiteSpace(queryResult.NewIntent) && queryResult.NewAction != null)
{
var newActionDefinition = LuisActionResolver.GetActionDefinition(queryResult.NewAction);
var currentActionDefinition = LuisActionResolver.GetActionDefinition(intentAction);
var isContextual = false;
if (LuisActionResolver.IsValidContextualAction(queryResult.NewAction, intentAction, out isContextual))
{
var executionContextChain = new List <ActionExecutionContext> {
new ActionExecutionContext(queryResult.NewIntent, queryResult.NewAction)
};
var executionContext = await RunActions(luisService, executionContextChain);
if (executionContext.ChangeRootSignaling)
{
if (LuisActionResolver.IsContextualAction(intentAction))
{
return(executionContext);
}
else
{
intentAction = executionContext.Action;
}
}
}
else if (isContextual && !LuisActionResolver.IsContextualAction(intentAction))
{
Console.WriteLine($"Cannot execute action '{newActionDefinition.FriendlyName}' in the context of '{currentActionDefinition.FriendlyName}' - continuing with current action");
}
else if (!intentAction.GetType().Equals(queryResult.NewAction.GetType()))
{
var valid = LuisActionResolver.UpdateIfValidContextualAction(queryResult.NewAction, intentAction, out isContextual);
if (!valid && isContextual)
{
Console.WriteLine($"Cannot switch to action '{newActionDefinition.FriendlyName}' from '{currentActionDefinition.FriendlyName}' due to invalid context - continuing with current action");
}
else if (currentActionDefinition.ConfirmOnSwitchingContext)
{
Console.Write($"You are about to discard the current action '{currentActionDefinition.FriendlyName}' and start executing '{newActionDefinition.FriendlyName}'\nContinue? ");
var response = Console.ReadLine();
if (response.ToUpperInvariant().StartsWith("Y"))
{
if (LuisActionResolver.IsContextualAction(intentAction) && !LuisActionResolver.IsContextualAction(queryResult.NewAction))
{
return(new ActionExecutionContext(queryResult.NewIntent, queryResult.NewAction)
{
ChangeRootSignaling = true
});
}
intentAction = queryResult.NewAction;
}
}
else
{
intentAction = queryResult.NewAction;
}
}
}
// re-evaluate
isValid = intentAction.IsValid(out validationResults);
}
}
var result = await intentAction.FulfillAsync();
// We just show the ToString() of the result - not care about the result type here
Console.WriteLine(result != null ? result.ToString() : "Cannot resolve your query");
return(actionExecutionContext);
}
protected virtual async Task MessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> item)
{
var nextPromptIdx = 0;
var validationResults = default(ICollection <ValidationResult>);
this.luisAction.IsValid(out validationResults);
if (item != null)
{
var message = await item;
var paramName = validationResults.First().MemberNames.First();
var paramValue = message.Text;
var result = await LuisActionResolver.QueryValueFromLuisAsync(this.luisService, this.luisAction, paramName, paramValue, context.CancellationToken);
if (result.Succeed)
{
nextPromptIdx++;
}
else if (!string.IsNullOrWhiteSpace(result.NewIntent) && result.NewAction != null)
{
var currentActionDefinition = LuisActionResolver.GetActionDefinition(this.luisAction);
var isContextual = false;
if (LuisActionResolver.IsValidContextualAction(result.NewAction, this.luisAction, out isContextual))
{
var executionContextChain = new List <ActionExecutionContext> {
new ActionExecutionContext(result.NewIntent, result.NewAction)
};
var childDialog = new LuisActionMissingEntitiesDialog(this.luisService, executionContextChain);
context.Call(childDialog, this.AfterContextualActionFinished);
return;
}
else if (isContextual & !LuisActionResolver.IsContextualAction(this.luisAction))
{
var newActionDefinition = LuisActionResolver.GetActionDefinition(result.NewAction);
await context.PostAsync($"Cannot execute action '{newActionDefinition.FriendlyName}' in the context of '{currentActionDefinition.FriendlyName}' - continuing with current action");
}
else if (!this.luisAction.GetType().Equals(result.NewAction.GetType()))
{
var newActionDefinition = LuisActionResolver.GetActionDefinition(result.NewAction);
var valid = LuisActionResolver.UpdateIfValidContextualAction(result.NewAction, this.luisAction, out isContextual);
if (!valid && isContextual)
{
await context.PostAsync($"Cannot switch to action '{newActionDefinition.FriendlyName}' from '{currentActionDefinition.FriendlyName}' due to invalid context - continuing with current action");
}
else if (currentActionDefinition.ConfirmOnSwitchingContext)
{
// serialize overrun info
this.overrunData = result;
PromptDialog.Confirm(
context,
this.AfterOverrunCurrentActionSelected,
$"Do you want to discard the current action '{currentActionDefinition.FriendlyName}' and start executing '{newActionDefinition.FriendlyName}' action?");
return;
}
else
{
this.intentName = result.NewIntent;
this.luisAction = result.NewAction;
this.luisAction.IsValid(out validationResults);
}
}
}
}
if (validationResults.Count > nextPromptIdx)
{
await context.PostAsync(validationResults.ElementAt(nextPromptIdx).ErrorMessage);
context.Wait(this.MessageReceivedAsync);
}
else
{
context.Done(new ActionExecutionContext(this.intentName, this.luisAction));
}
}