protected override async Task OnMembersAddedAsync(DelegatingTurnContext <IConversationUpdateActivity> turnContext, CancellationToken cancellationToken)
{
Activity messageActivity;
DisplayDirective directive;
GenerateMessage(out messageActivity, out directive);
turnContext.AlexaResponseDirectives().Add(directive);
await turnContext.SendActivityAsync(messageActivity, cancellationToken);
}
/// <summary>
/// Override this in a derived class to provide logic specific to
/// <see cref="ActivityTypes.Message"/> activities, such as the conversational logic.
/// </summary>
/// <param name="turnContext">A strongly-typed context object for this turn.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A task that represents the work queued to execute.</returns>
/// <remarks>
/// When the <see cref="OnTurnAsync(ITurnContext, CancellationToken)"/>
/// method receives a message activity, it calls this method.
/// </remarks>
/// <seealso cref="OnTurnAsync(ITurnContext, CancellationToken)"/>
protected virtual Task OnMessageActivityAsync(DelegatingTurnContext <IMessageActivity> delegatingTurnContext, CancellationToken cancellationToken)
{
return(Task.CompletedTask);
}
/// <summary>
/// Override this in a derived class to provide logic for when members other than the bot
/// join the conversation, such as your bot's welcome logic.
/// </summary>
/// <param name="membersAdded">A list of all the members added to the conversation, as
/// described by the conversation update activity.</param>
/// <param name="turnContext">A strongly-typed context object for this turn.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A task that represents the work queued to execute.</returns>
/// <remarks>
/// When the <see cref="OnConversationUpdateActivityAsync(ITurnContext{IConversationUpdateActivity}, CancellationToken)"/>
/// method receives a conversation update activity that indicates one or more users other than the bot
/// are joining the conversation, it calls this method.
/// </remarks>
/// <seealso cref="OnConversationUpdateActivityAsync(ITurnContext{IConversationUpdateActivity}, CancellationToken)"/>
protected virtual Task OnMembersAddedAsync(DelegatingTurnContext <IConversationUpdateActivity> delegatingTurnContext, CancellationToken cancellationToken)
{
return(Task.CompletedTask);
}
protected override async Task OnMessageActivityAsync(DelegatingTurnContext <IMessageActivity> turnContext, CancellationToken cancellationToken)
{
await _dialog.RunAsync(turnContext, _conversationState.CreateProperty <DialogState>(nameof(DialogState)), cancellationToken);
}