70 lines
2.6 KiB
C#
70 lines
2.6 KiB
C#
using BotSharp.Abstraction.Files;
|
|
using BotSharp.Abstraction.Options;
|
|
using BotSharp.Abstraction.Routing;
|
|
using BotSharp.Core.Infrastructures;
|
|
using BotSharp.Plugin.Twilio.OutboundPhoneCallHandler.LlmContexts;
|
|
using Twilio.Rest.Api.V2010.Account;
|
|
|
|
namespace BotSharp.Plugin.Twilio.OutboundPhoneCallHandler.Functions;
|
|
|
|
public class TransferPhoneCallFn : IFunctionCallback
|
|
{
|
|
private readonly IServiceProvider _services;
|
|
private readonly ILogger _logger;
|
|
private readonly BotSharpOptions _options;
|
|
private readonly TwilioSetting _twilioSetting;
|
|
|
|
public string Name => "util-twilio-transfer_phone_call";
|
|
public string Indication => "Transferring the active line";
|
|
|
|
public TransferPhoneCallFn(
|
|
IServiceProvider services,
|
|
ILogger<TransferPhoneCallFn> logger,
|
|
BotSharpOptions options,
|
|
TwilioSetting twilioSetting)
|
|
{
|
|
_services = services;
|
|
_logger = logger;
|
|
_options = options;
|
|
_twilioSetting = twilioSetting;
|
|
}
|
|
|
|
public async Task<bool> Execute(RoleDialogModel message)
|
|
{
|
|
var args = JsonSerializer.Deserialize<ForwardPhoneCallArgs>(message.FunctionArgs, _options.JsonSerializerOptions);
|
|
|
|
var fileStorage = _services.GetRequiredService<IFileStorageService>();
|
|
var states = _services.GetRequiredService<IConversationStateService>();
|
|
var sid = states.GetState("twilio_call_sid");
|
|
if (string.IsNullOrEmpty(sid))
|
|
{
|
|
_logger.LogError("Twilio call sid is empty.");
|
|
message.Content = "There is an error when transferring the phone call.";
|
|
return false;
|
|
}
|
|
|
|
var routing = _services.GetRequiredService<IRoutingService>();
|
|
var conversationId = routing.Context.ConversationId;
|
|
var processUrl = $"{_twilioSetting.CallbackHost}/twilio/voice/transfer-call?agent-id={routing.Context.EntryAgentId}&conversation-id={conversationId}&transfer-to={args.PhoneNumber}";
|
|
|
|
// Generate initial assistant audio
|
|
if (!string.IsNullOrEmpty(args.TransitionMessage))
|
|
{
|
|
var completion = CompletionProvider.GetAudioCompletion(_services, "openai", "tts-1");
|
|
var data = await completion.GenerateAudioFromTextAsync(args.TransitionMessage);
|
|
var initAudioFile = "transfer.mp3";
|
|
fileStorage.SaveSpeechFile(conversationId, initAudioFile, data);
|
|
|
|
processUrl += $"&init-audio-file={initAudioFile}";
|
|
}
|
|
|
|
// Transfer call
|
|
var call = CallResource.Update(
|
|
pathSid: sid,
|
|
url: new Uri(processUrl));
|
|
|
|
message.Content = args.TransitionMessage;
|
|
return true;
|
|
}
|
|
}
|