/// <summary>
/// This method gets called by the runtime. Use this method to add services to the container.
/// </summary>
/// <param name="services">Specifies the contract for a <see cref="IServiceCollection"/> of service descriptors.</param>
/// <seealso cref="IStatePropertyAccessor{T}"/>
/// <seealso cref="https://docs.microsoft.com/en-us/aspnet/web-api/overview/advanced/dependency-injection"/>
/// <seealso cref="https://docs.microsoft.com/en-us/azure/bot-service/bot-service-manage-channels?view=azure-bot-service-4.0"/>
public void ConfigureServices(IServiceCollection services)
{
services.AddBot <ComplexDialogBot>(options =>
{
var secretKey = Configuration.GetSection("botFileSecret")?.Value;
var botFilePath = Configuration.GetSection("botFilePath")?.Value;
var appId = Configuration.GetSection("MicrosoftAppId").Value;
var appPassword = Configuration.GetSection("MicrosoftAppPassword").Value;
options.CredentialProvider = new SimpleCredentialProvider(appId, appPassword);
// Loads .bot configuration file and adds a singleton that your Bot can access through dependency injection.
var botConfig = BotConfiguration.Load(botFilePath ?? @".\appsettings.json", secretKey);
services.AddSingleton(sp => botConfig ?? throw new InvalidOperationException($"The .bot configuration file could not be loaded. ({botConfig})"));
// Retrieve current endpoint.
var environment = _isProduction ? "production" : "development";
var service = botConfig.Services.FirstOrDefault(s => s.Type == "endpoint" && s.Name == environment);
if (!(service is EndpointService endpointService))
{
throw new InvalidOperationException($"The .bot file does not contain an endpoint with name '{environment}'.");
}
options.CredentialProvider = new SimpleCredentialProvider(endpointService.AppId, endpointService.AppPassword);
// Creates a logger for the application to use.
ILogger logger = _loggerFactory.CreateLogger <ComplexDialogBot>();
// Catches any errors that occur during a conversation turn and logs them.
options.OnTurnError = async(context, exception) =>
{
logger.LogError($"Exception caught : {exception}");
await context.SendActivityAsync("Sorry, it looks like something went wrong.");
};
});
// Create conversation and user state management objects, using memory storage.
IStorage dataStore = new MemoryStorage();
var conversationState = new ConversationState(dataStore);
var userState = new UserState(dataStore);
// Create and register state accessors.
// Accessors created here are passed into the IBot-derived class on every turn.
services.AddSingleton <ComplexDialogBotAccessors>(sp =>
{
// Create the custom state accessor.
// State accessors enable other components to read and write individual properties of state.
var accessors = new ComplexDialogBotAccessors(conversationState, userState)
{
DialogStateAccessor = conversationState.CreateProperty <DialogState>(ComplexDialogBotAccessors.DialogStateAccessorKey),
UserProfileAccessor = userState.CreateProperty <UserProfile>(ComplexDialogBotAccessors.UserAccessorKey),
};
return(accessors);
});
}
/// <summary>
/// Initializes a new instance of the <see cref="ComplexDialogBot"/> class.
/// </summary>
/// <param name="accessors">A class containing <see cref="IStatePropertyAccessor{T}"/> used to manage state.</param>
public ComplexDialogBot(ComplexDialogBotAccessors accessors)
{
_accessors = accessors ?? throw new ArgumentNullException(nameof(accessors));
// Create a dialog set for the bot. It requires a DialogState accessor, with which
// to retrieve the dialog state from the turn context.
_dialogs = new DialogSet(accessors.DialogStateAccessor);
// Add the prompts we need to the dialog set.
_dialogs
.Add(new TextPrompt(NamePrompt))
.Add(new NumberPrompt <int>(AgePrompt))
.Add(new ChoicePrompt(SelectionPrompt));
// Add the dialogs we need to the dialog set.
_dialogs.Add(new WaterfallDialog(TopLevelDialog)
.AddStep(NameStepAsync)
.AddStep(AgeStepAsync)
.AddStep(StartSelectionStepAsync)
.AddStep(AcknowledgementStepAsync));
_dialogs.Add(new WaterfallDialog(ReviewSelectionDialog)
.AddStep(SelectionStepAsync)
.AddStep(LoopStepAsync));
}
