/// <summary>
/// Called when the dialog is started and pushed onto the dialog stack.
/// </summary>
/// <param name="dc">The <see cref="DialogContext"/> for the current turn of conversation.</param>
/// <param name="options">Optional, initial information to pass to the dialog.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public override async Task <DialogTurnResult> BeginDialogAsync(DialogContext dc, object options = null, CancellationToken cancellationToken = default)
{
if (Disabled != null && Disabled.GetValue(dc.State))
{
return(await dc.EndDialogAsync(cancellationToken : cancellationToken).ConfigureAwait(false));
}
// Update the dialog options with the runtime settings.
DialogOptions.BotId = BotId.GetValue(dc.State);
DialogOptions.SkillHostEndpoint = new Uri(SkillHostEndpoint.GetValue(dc.State));
DialogOptions.ConversationIdFactory = dc.Context.TurnState.Get <SkillConversationIdFactoryBase>() ?? throw new NullReferenceException("Unable to locate SkillConversationIdFactoryBase in HostContext");
DialogOptions.SkillClient = dc.Context.TurnState.Get <BotFrameworkClient>() ?? throw new NullReferenceException("Unable to locate BotFrameworkClient in HostContext");
DialogOptions.ConversationState = dc.Context.TurnState.Get <ConversationState>() ?? throw new NullReferenceException($"Unable to get an instance of {nameof(ConversationState)} from TurnState.");
DialogOptions.ConnectionName = ConnectionName.GetValue(dc.State);
// Set the skill to call
DialogOptions.Skill.Id = DialogOptions.Skill.AppId = SkillAppId.GetValue(dc.State);
DialogOptions.Skill.SkillEndpoint = new Uri(SkillEndpoint.GetValue(dc.State));
// Store the initialized DialogOptions in state so we can restore these values when the dialog is resumed.
dc.ActiveDialog.State[_dialogOptionsStateKey] = DialogOptions;
// Get the activity to send to the skill.
Activity activity = null;
if (Activity != null && ActivityProcessed.GetValue(dc.State))
{
// The parent consumed the activity in context, use the Activity property to start the skill.
activity = await Activity.BindAsync(dc, cancellationToken : cancellationToken).ConfigureAwait(false);
}
// Call the base to invoke the skill
// (If the activity has not been processed, send the turn context activity to the skill (pass through)).
return(await base.BeginDialogAsync(dc, new BeginSkillDialogOptions { Activity = activity ?? dc.Context.Activity }, cancellationToken).ConfigureAwait(false));
}
public override async Task <DialogTurnResult> BeginDialogAsync(DialogContext dc, object options = null, CancellationToken cancellationToken = default)
{
var dcState = dc.GetState();
if (Disabled != null && Disabled.GetValue(dcState))
{
return(await dc.EndDialogAsync(cancellationToken : cancellationToken).ConfigureAwait(false));
}
// Update the dialog options with the runtime settings.
DialogOptions.BotId = BotId.GetValue(dcState);
DialogOptions.SkillHostEndpoint = new Uri(SkillHostEndpoint.GetValue(dcState));
DialogOptions.ConversationIdFactory = HostContext.Current.Get <SkillConversationIdFactoryBase>() ?? throw new NullReferenceException("Unable to locate SkillConversationIdFactoryBase in HostContext");
DialogOptions.SkillClient = HostContext.Current.Get <BotFrameworkClient>() ?? throw new NullReferenceException("Unable to locate BotFrameworkClient in HostContext");
DialogOptions.ConversationState = dc.Context.TurnState.Get <ConversationState>() ?? throw new NullReferenceException($"Unable to get an instance of {nameof(ConversationState)} from TurnState.");
// Set the skill to call
DialogOptions.Skill.Id = DialogOptions.Skill.AppId = SkillAppId.GetValue(dcState);
DialogOptions.Skill.SkillEndpoint = new Uri(SkillEndpoint.GetValue(dcState));
// Get the activity to send to the skill.
var activity = await Activity.BindToData(dc.Context, dcState).ConfigureAwait(false);
// Call the base to invoke the skill
return(await base.BeginDialogAsync(dc, new BeginSkillDialogOptions { Activity = activity }, cancellationToken).ConfigureAwait(false));
}