private static async Task <GoogleCloudDialogflowV2DetectIntentResponse> ResponseAsync(string sessionId, string message)
{
ServiceAccountCredential credential;
using (var stream = new FileStream(CREDENTIAL_PATH, FileMode.Open, FileAccess.Read))
{
credential = GoogleCredential.FromStream(stream)
.CreateScoped(DialogflowService.Scope.CloudPlatform)
.UnderlyingCredential as ServiceAccountCredential;
}
var service = new DialogflowService(new BaseClientService.Initializer
{
HttpClientInitializer = credential,
ApplicationName = PROJECT_ID
});
var response = service.Projects.Agent.Sessions.DetectIntent(new GoogleCloudDialogflowV2DetectIntentRequest
{
QueryInput = new GoogleCloudDialogflowV2QueryInput
{
Text = new GoogleCloudDialogflowV2TextInput
{
Text = message,
LanguageCode = "en-US",
},
},
}, $"projects/{PROJECT_ID}/agent/sessions/{sessionId}");
return(await response.ExecuteAsync());
}
public static IServiceCollection AddDialogflow(this IServiceCollection services)
{
var config = GetConfig();
var dialogflowSettings = config.GetSection(nameof(DialogflowSettings)).Get <DialogflowSettings>();
return(services.AddSingleton <INaturalLanguageUnderstandingClient, DialogflowClient>(_ =>
{
var containerClient = new BlobContainerClient(
dialogflowSettings.ApiCredentialsStorageConnectionString,
dialogflowSettings.ApiCredentialsContainerName);
var blobClient = containerClient.GetBlobClient(dialogflowSettings.ApiCredentialsJsonName);
ServiceAccountCredential credential;
using (var stream = new MemoryStream())
{
blobClient.DownloadTo(stream);
stream.Position = 0;
credential = GoogleCredential.FromStream(stream)
.CreateScoped(DialogflowService.Scope.CloudPlatform)
.UnderlyingCredential as ServiceAccountCredential;
}
var service = new DialogflowService(new BaseClientService.Initializer
{
HttpClientInitializer = credential,
});
return new DialogflowClient(service, dialogflowSettings.ProjectId);
}));
}
protected void Page_Load(object sender, EventArgs e)
{
var sessionId = Guid.NewGuid().ToString();
var message = "cc";
var creds = GoogleCredential.FromFile(CREDENTIAL_PATH);
var scopedCreds = creds.CreateScoped(DialogflowService.Scope.CloudPlatform);
var response = new DialogflowService(new BaseClientService.Initializer
{
HttpClientInitializer = scopedCreds,
ApplicationName = PROJECT_ID
}).Projects.Agent.Sessions.DetectIntent(
new GoogleCloudDialogflowV2DetectIntentRequest
{
QueryInput = new GoogleCloudDialogflowV2QueryInput
{
Text = new GoogleCloudDialogflowV2TextInput
{
Text = message,
LanguageCode = "en-US"
}
}
},
$"projects/{PROJECT_ID}/agent/sessions/{sessionId}")
.Execute();
var queryResult = response.QueryResult;
Console.WriteLine(queryResult.FulfillmentText);
}
static void Main(string[] args)
{
Console.WriteLine("== Testing DialogFlow api and service ==");
Console.WriteLine("== Start speaking below: ==");
// Authenticate with google OAuth2.0 servers
UserCredential credential;
AppSecrets settings;
// Requires app secrets
using (var reader = new JsonTextReader(new StreamReader("appSecrets.json")))
{
settings = new JsonSerializer().Deserialize <AppSecrets>(reader);
}
credential = GoogleWebAuthorizationBroker.AuthorizeAsync(
// Client secrets for DialogFlowTest app
settings.Secrets,
new[]
{
DialogflowService.ScopeConstants.CloudPlatform,
DialogflowService.ScopeConstants.Dialogflow
},
"user",
CancellationToken.None)
.Result;
if (credential == null)
{
return;
}
// Initialize the dialog flow service using credential
var dialogFlowService = new DialogflowService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = "DialogFlowTest",
});
// Assign HttpClient baseAddress
dialogFlowService.HttpClient.BaseAddress = new Uri(dialogFlowService.BaseUri);
// Main conversing loop
while (Conversing)
{
var textInput = Console.ReadLine();
var request = DetectIntentRequestBuilder
.NewRequest
.QueryInput.TextInput
.WithText(textInput)
.WithLanguageCode(LanguageCodeConst.enUS)
.Build();
var response = dialogFlowService.HttpClient.PostAsync($"/v2/projects/{settings.ProjectId}/agent/sessions/123456789:detectIntent",
new StringContent(dialogFlowService.Serializer.Serialize(request), Encoding.UTF8, "application/json"))
.Result;
var dialogFlowResponse = dialogFlowService.Serializer.Deserialize <GoogleCloudDialogflowV2DetectIntentResponse>(response.Content.ReadAsStreamAsync().Result);
Console.WriteLine($"Agent: {dialogFlowResponse?.QueryResult?.FulfillmentText ?? "You did not enter anything"}");
Conversing = textInput.ToUpper() == "GOODBYE" ? false : true;
}
Console.ReadKey();
}
public DialogflowClient(DialogflowService service, string projectId)
{
_service = service;
_projectId = projectId;
}
public async Task <HttpResponseMessage> Post(HttpRequestMessage request)
{
var jsonData = await request.Content.ReadAsStringAsync();
dynamic data = JObject.Parse(jsonData);
var clientAccessKey = Request.Headers.GetValues("ClientAccessKey").First().ToString();
var action = (String)data.result.action;
var sessionId = (String)data.sessionId;
DialogflowService service = new DialogflowService(clientAccessKey);
HttpResponseMessage resp = new HttpResponseMessage();
switch (action)
{
case "input.welcome":
resp = service.GetGreetingMessage();
break;
case "portfolio":
resp = service.GetLandorWorkExample();
break;
case "employees":
var fullName = (String)data.result.parameters.fullName;
resp = service.GetEmployeTitle(fullName);
break;
case "learn":
var any = (String)data.result.parameters.any;
var topic = (String)data.result.parameters.topic;
var desc = (String)data.result.parameters.description;
resp = service.Teach(topic, desc);
break;
case "email":
var receiver = (String)data.result.parameters.fullName;
var message = (String)data.result.parameters.message;
resp = service.SendEmail(receiver, message);
break;
case "randomTopic":
resp = service.GetRandomSubject(sessionId);
break;
case "ClearPreviousContexts":
//var userSays = (String)data.result.resolvedQuery;
resp = service.ClearPreviousContexts(sessionId);
break;
case "randomTopicPeople":
resp = service.GetRandomSubjectPeople(sessionId);
break;
case "randomTopicAbout":
resp = service.GetRandomSubjectAboutLandor(sessionId);
break;
case "getIntentByEvent":
//Make sure that the context value is an event name on an intent
var context = (String)data.result.contexts[0].name;
//get the context that contain request keyword
//that will be the name of the event to be executed
if (data.result.contexts.Count > 0)
{
for (int i = 0; i < data.result.contexts.Count; i++)
{
context = (String)data.result.contexts[i].name;
if (context.Contains("request"))
{
context = (String)data.result.contexts[i].name;
break;
}
}
}
resp = service.GetIntentFromContext(sessionId, context);
break;
case "location":
var city = (String)data.result.parameters.locationCity;
var country = (String)data.result.parameters.locationCountry;
if (country != null && country != "")
{
resp = service.GetOfficesByCountry(country);
}
else if (city != null && city != "")
{
resp = service.GetOfficesByCity(city);
}
else
{
var txt = "City or Country?";
var jsn = DialogFlowHelper.CreateJsonObjectResponse(txt);
resp = new HttpResponseMessage()
{
Content = new StringContent(jsn.ToString())
};
}
break;
default:
var text = "Action couldn't be found. Please talk to your developer.";
var json = DialogFlowHelper.CreateJsonObjectResponse(text);
resp = new HttpResponseMessage()
{
Content = new StringContent(json.ToString())
};
break;
}
resp.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
return(resp);
}
