private List <Voice> GetAllVoices(TtsSetting ttsSetting)
{
var region = ttsSetting.EndPoint.Substring(8, ttsSetting.EndPoint.IndexOf('.') - 8);
Authentication auth = new Authentication(ttsSetting.EndPoint, ttsSetting.Key);
using (HttpClient client = new HttpClient())
{
var req = $"https://{region}.tts.speech.microsoft.com/cognitiveservices/voices/list";
using (HttpRequestMessage request = new HttpRequestMessage())
{
string accessToken;
try
{
accessToken = auth.GetAccessToken();
}
catch (Exception ex)
{
Console.WriteLine($"Failed to obtain an access token: {ex}");
return(null);
}
request.Method = HttpMethod.Get;
request.RequestUri = new Uri(req);
request.Headers.Add("Authorization", "Bearer " + accessToken);
using (HttpResponseMessage response = client.SendAsync(request).ConfigureAwait(false).GetAwaiter().GetResult())
{
response.EnsureSuccessStatusCode();
var res = response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
return(JsonConvert.DeserializeObject <List <Voice> >(res));
}
}
}
}
private void SaveTtsSetting(TtsSetting ttsSetting)
{
var ser = JsonConvert.SerializeObject(ttsSetting);
using (StreamWriter sw = new StreamWriter(Server.MapPath(TtsConfigFile)))
{
sw.Write(ser);
}
}
// GET: Tts/Edit
public ActionResult Edit()
{
TtsSetting ttsSetting = new TtsSetting();
if (System.IO.File.Exists(Server.MapPath(TtsConfigFile)))
{
ttsSetting = LoadTtsSetting(Server.MapPath(TtsConfigFile));
PrepareViewBag(ttsSetting);
}
return(View(ttsSetting));
}
private void PrepareViewBag(TtsSetting ttsSetting)
{
try
{
// The langauges
ViewBag.Languages = new SelectList(CultureInfo.GetCultures(CultureTypes.NeutralCultures), nameof(CultureInfo.Name), nameof(CultureInfo.DisplayName));
var voices = GetAllVoices(ttsSetting);
// The voices
ViewBag.Voices = new SelectList(voices, nameof(Voice.ShortName), nameof(Voice.Name));
}
catch
{
// Do nothing, bag will be empty
}
}
public ActionResult Edit(TtsSetting ttsSetting)
{
try
{
if (ttsSetting != null)
{
SaveTtsSetting(ttsSetting);
}
// Check if all is valid
try
{
Authentication auth = new Authentication(ttsSetting.EndPoint, ttsSetting.Key);
var accessToken = auth.GetAccessToken();
}
catch (Exception ex)
{
ViewBag.LastMessage = "Error validating your keys";
PrepareViewBag(ttsSetting);
return(View());
}
// Check if we have a preferred selection, if not, then return to the view
if (string.IsNullOrEmpty(ttsSetting.PrefferedShortName))
{
ViewBag.LastMessage = "Please select a preferred voice";
PrepareViewBag(ttsSetting);
return(View());
}
else
{
// Find and save the voice details
ttsSetting.PrefferedVoice = GetAllVoices(ttsSetting).Where(m => m.ShortName == ttsSetting.PrefferedShortName).FirstOrDefault();
SaveTtsSetting(ttsSetting);
}
return(RedirectToAction("Index"));
}
catch (Exception ex)
{
ViewBag.LastMessage = $"An error occured, please try again: {ex}";
PrepareViewBag(ttsSetting);
return(View());
}
}
