/// <summary>
/// Handles a user statement.
/// </summary>
/// <param name="userInput">The user input.</param>
/// <returns>The response to the user statement</returns>
public UserStatementResponse HandleUserStatement(string userInput)
{
var response = new UserStatementResponse();
LastInput = userInput;
LastResponse = response;
return response;
}
private UserStatementResponse HandleUserStatementInternal(
[NotNull] string userInput,
bool saveToLog = true)
{
//- Log the input to the diagnostic log.
Console?.Log(Resources.ChatInputHeader, userInput, LogLevel.UserInput);
// Store the input in chat history (only if we're logging it)
if (saveToLog) { AddHistoryEntry(_user, userInput); }
// Give our input to the chat ChatEngine
var result = GetChatResult(userInput);
//- If it's a catastrophic failure, return a nearly empty object without storing the null response
if (result == null)
{
return new UserStatementResponse(userInput,
Resources.DefaultFailureResponseText,
string.Empty,
ChatCommand.Empty,
null);
}
// Get the template out of the response so we can see if there are any OOB instructions
var template = GetResponseTemplate(result);
// Log and store the response
var output = result.Output;
if (!string.IsNullOrWhiteSpace(output))
{
Console?.Log(Resources.ChatOutputHeader, output, LogLevel.ChatResponse);
AddHistoryEntry(ChatEngine.SystemUser, output, result);
}
//- Log the output to the diagnostic log. Sometimes - for redirect commands / etc. there's no response
if (!string.IsNullOrWhiteSpace(template))
{
Console?.Log(Resources.ChatOutputHeader,
string.Format(CultureInfo.CurrentCulture,
Resources.AimlStatementHandlerUsingTemplate.NonNull(),
template),
LogLevel.Verbose);
}
//- Update query properties and return the result
var response = new UserStatementResponse(userInput, output, template, ChatCommand.Empty, result);
LastResponse = response;
return response;
}