public static async Task <HttpResponseMessage> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequestMessage req
, /* Azure Blob Storage(ファイル置き場) への出力 */ [Blob("mp3/voice.mp3", FileAccess.ReadWrite)] CloudBlockBlob mp3Out
, TraceWriter log
)
{
try
{
log.Info("C# HTTP trigger function processed a request.");
var data = await req.Content.ReadAsAsync <Models.DialogFlowRequestModel>();
//log.Info(data);
var say = data.QueryResult.QueryText;
// VoiceText Web API に投げる処理 test
var voiceTextClient = new VoiceTextClient
{
APIKey = Keys.APIKeys.VoiceTextWebApiKey,
Speaker = Speaker.Bear,
Emotion = Emotion.Anger,
EmotionLevel = EmotionLevel.High,
Format = Format.MP3
};
var bytes = await voiceTextClient.GetVoiceAsync(text : say);
// Azure Blob Storage への書き込み（保存）
await mp3Out.UploadFromByteArrayAsync(buffer : bytes, index : 0, count : bytes.Length);
// Azure Blob Storage に書き込まれた mp3 にアクセスするための URL
var mp3Url = mp3Out.Uri;
//DialogFlow v2 では、DialogFlow へのwebhookの応答メッセージ 標準データ形式である必要がある。
//See https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json and https://cloud.google.com/dialogflow/docs/reference/rpc/google.cloud.dialogflow.v2#webhookresponse
var response = new Models.DialogFlowResponseModel
{
Payload = new Models.Payload
{
Google = new Models.Google
{
ExpectUserResponse = false,
RichResponse = new Models.RichResponse
{
Items = new Models.Item[]
{
new Models.Item
{
SimpleResponse = new Models.SimpleResponse
{
// Google Home に喋らせたい文言を渡す。（この場合mp3）
SSML = $"<speak><audio src='{mp3Url}' /></speak>",
// Google Assistant のチャット画面上に出したい文字列
DisplayText = $"「{say}」"
}
}
}
}
}
}
};
var result = req.CreateResponse(HttpStatusCode.OK, response);
result.Headers.Add("ContentType", "application/json");
return(result);
}
catch (Exception ex)
{
log.Error("An exception occurred in GoogleHome.Run", ex);
var result = req.CreateErrorResponse(HttpStatusCode.InternalServerError, ex);
return(result);
}
}
public static string ToJson(this DialogFlowResponseModel self) => JsonConvert.SerializeObject(self, ChomadoVoice.Models.Converter.Settings);