ES LEBT!

USEntryCoach.Server/Program.cs

@@ -1,3 +1,10 @@
+using System.ClientModel;
+using System.Diagnostics;
+using System.Text.Json.Nodes;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using OpenAI.Models;
+using OpenAI.RealtimeConversation;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
@@ -17,30 +24,63 @@ if (app.Environment.IsDevelopment())
 
 app.UseHttpsRedirection();
 
-var summaries = new[]
-{
-    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-};
+HttpClient client = new();
+string? apiKey = app.Configuration.GetValue<string>("API:OpenAI");
+client.DefaultRequestHeaders.Clear();
+client.DefaultRequestHeaders.Add("Authorization", $"Bearer {apiKey}");
 
-app.MapGet("/weatherforecast", () =>
+app.MapGet("/ephemeral_token", async () =>
 {
-    var forecast = Enumerable.Range(1, 5).Select(index =>
-        new WeatherForecast
-        (
-            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
-            Random.Shared.Next(-20, 55),
-            summaries[Random.Shared.Next(summaries.Length)]
-        ))
-        .ToArray();
-    return forecast;
-})
-.WithName("GetWeatherForecast");
+    if (apiKey == null)
+        throw new Exception("API key not set");
+
+#pragma warning disable OPENAI002
+
+    var options = new
+    {
+        model = "gpt-4o-realtime-preview",
+        modalities = new []{"audio", "text"},//ConversationContentModalities.Audio | ConversationContentModalities.Text,
+        voice = "ballad",//ConversationVoice.Ballad,
+        // TODO: Vernünfigte Werte suchen
+        //turn_detection = new {
+
+        //}//ConversationTurnDetectionOptions.CreateServerVoiceActivityTurnDetectionOptions(0.5f, TimeSpan.FromMilliseconds(300), TimeSpan.FromMilliseconds(500), true)
+    };
+
+#pragma warning restore OPENAI002
+
+    try
+    {
+        JsonContent content = JsonContent.Create(options);
+        HttpResponseMessage response = await client.PostAsync("https://api.openai.com/v1/realtime/sessions", content);
+
+        Console.WriteLine($"Failed to create session: {response.RequestMessage.Content.ReadAsStringAsync().Result}");
+        if (response.IsSuccessStatusCode)
+        {
+            var v = await response.Content.ReadFromJsonAsync<JsonObject>();
+
+            string? ephemeralToken = v?["client_secret"]?["value"]?.GetValue<string>();
+            double? expiresAt = v?["client_secret"]?["expires_at"]?.GetValue<double>();
+            return
+            new {
+                ephemeralToken,
+                expiresAt,
+            };
+        }
+        else
+        {
+            Console.WriteLine($"Failed to create session: {response}");
+        }
+    }
+    catch (Exception e)
+    {
+        Console.WriteLine(e);
+        throw;
+    }
+
+    return null;
+}).WithName("GetEphemeralToken");
 
 app.MapFallbackToFile("/index.html");
 
 app.Run();
-
-internal record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
-{
-    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-}