/// <summary>
/// Gets an instance of <see cref="IQnAMakerClient"/>.
/// </summary>
/// <param name="dc">The <see cref="DialogContext"/> used to access state.</param>
/// <returns>An instance of <see cref="IQnAMakerClient"/>.</returns>
protected virtual Task <IQnAMakerClient> GetQnAMakerClientAsync(DialogContext dc)
{
var qnaClient = dc.Context.TurnState.Get <IQnAMakerClient>();
if (qnaClient != null)
{
// return mock client
return(Task.FromResult(qnaClient));
}
var(epKey, error) = EndpointKey.TryGetValue(dc.State);
var(hn, error2) = HostName.TryGetValue(dc.State);
var(kbId, error3) = KnowledgeBaseId.TryGetValue(dc.State);
var(logPersonalInfo, error4) = LogPersonalInformation.TryGetValue(dc.State);
var endpoint = new QnAMakerEndpoint
{
EndpointKey = epKey ?? throw new InvalidOperationException($"Unable to get a value for {nameof(EndpointKey)} from state. {error}"),
Host = hn ?? throw new InvalidOperationException($"Unable to a get value for {nameof(HostName)} from state. {error2}"),
KnowledgeBaseId = kbId ?? throw new InvalidOperationException($"Unable to get a value for {nameof(KnowledgeBaseId)} from state. {error3}")
};
return(Task.FromResult <IQnAMakerClient>(new QnAMaker(endpoint, new QnAMakerOptions(), HttpClient, TelemetryClient, logPersonalInfo)));
}
}
/// <summary>
/// Gets an <see cref="IQnAMakerClient"/> to use to access the QnA Maker knowledge base.
/// </summary>
/// <param name="dc">The <see cref="DialogContext"/> for the current turn of conversation.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
/// <remarks>If the task is successful, the result contains the QnA Maker client to use.</remarks>
protected virtual async Task <IQnAMakerClient> GetQnAMakerClientAsync(DialogContext dc)
{
var qnaClient = dc.Context.TurnState.Get <IQnAMakerClient>();
if (qnaClient != null)
{
// return mock client
return(qnaClient);
}
var httpClient = dc.Context.TurnState.Get <HttpClient>() ?? HttpClient;
var endpoint = new QnAMakerEndpoint
{
EndpointKey = this.EndpointKey.GetValue(dc.State),
Host = this.HostName.GetValue(dc.State),
KnowledgeBaseId = KnowledgeBaseId.GetValue(dc.State),
QnAServiceType = QnAServiceType.GetValue(dc.State)
};
var options = await GetQnAMakerOptionsAsync(dc).ConfigureAwait(false);
if (endpoint.QnAServiceType == ServiceType.Language)
{
return(new CustomQuestionAnswering(endpoint, options, httpClient, TelemetryClient, LogPersonalInformation.GetValue(dc.State)));
}
return(new QnAMaker(endpoint, options, httpClient, TelemetryClient, LogPersonalInformation.GetValue(dc.State)));
}