/// <summary>
/// Execute the turn of the bot. The functionality here closely resembles that which is found in the
/// IBot.OnTurnAsync method in an implementation that is using the regular BotFrameworkAdapter.
/// Also here in this example the focus is explicitly on Dialogs but the pattern could be adapted
/// to other conversation modeling abstractions.
/// </summary>
/// <param name="rootDialog">The dialog to be run.</param>
/// <param name="turnContext">The ITurnContext instance to use. Note this is not the one passed into the IBot OnTurnAsync.</param>
/// <param name="state">The existing or old state of the dialog.</param>
/// <returns>The updated or new state of the dialog.</returns>
private static async Task <JObject> RunTurnAsync(Dialog rootDialog, TurnContext turnContext, JObject state)
{
// For this example we are only interested in Message Activities.
if (turnContext.Activity.Type == ActivityTypes.Message)
{
// If we have some state, deserialize it. (This mimics the shape produced by BotState.cs.)
var dialogStateProperty = state?[nameof(DialogState)];
var dialogState = dialogStateProperty?.ToObject <DialogState>(StateJsonSerializer);
// A custom accessor is used to pass a handle on the state to the dialog system.
var accessor = new RefAccessor <DialogState>(dialogState);
// The following is regular dialog driver code.
var dialogs = new DialogSet(accessor);
dialogs.Add(rootDialog);
var dialogContext = await dialogs.CreateContextAsync(turnContext);
var results = await dialogContext.ContinueDialogAsync();
if (results.Status == DialogTurnStatus.Empty)
{
await dialogContext.BeginDialogAsync("root");
}
// Serialize the result (available as Value on the accessor), and put its value back into a new JObject.
return(new JObject {
{ nameof(DialogState), JObject.FromObject(accessor.Value, StateJsonSerializer) }
});
}
return(state);
}
/// <summary>
/// Execute the turn of the bot. The functionality here closely resembles that which is found in the
/// IBot.OnTurnAsync method in an implementation that is using the regular BotFrameworkAdapter.
/// Also here in this example the focus is explicitly on Dialogs but the pattern could be adapted
/// to other conversation modeling abstractions.
/// </summary>
/// <param name="dialog">The dialog to be run.</param>
/// <param name="turnContext">The ITurnContext instance to use. Note this is not the one passed into the IBot OnTurnAsync.</param>
/// <param name="state">The existing or old state of the dialog.</param>
/// <returns>The updated or new state of the dialog.</returns>
private static async Task <JObject> RunTurnAsync(Dialog dialog, ITurnContext turnContext, JObject state, CancellationToken cancellationToken)
{
// If we have some state, deserialize it. (This mimics the shape produced by BotState.cs.)
var dialogStateProperty = state?[nameof(DialogState)];
var dialogState = dialogStateProperty?.ToObject <DialogState>(StateJsonSerializer);
// A custom accessor is used to pass a handle on the state to the dialog system.
var accessor = new RefAccessor <DialogState>(dialogState);
// Run the dialog.
await dialog.Run(turnContext, accessor, cancellationToken);
// Serialize the result (available as Value on the accessor), and put its value back into a new JObject.
return(new JObject {
{ nameof(DialogState), JObject.FromObject(accessor.Value, StateJsonSerializer) }
});
}