Added TTS

Astrocore.Api/Controllers/TextToSpeechController.cs

@@ -0,0 +1,67 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System.Diagnostics;
+using System.Net.Http;
+using System.Text;
+using System.Text.Json;
+
+namespace Astrocore.Api.Controllers
+{
+
+
+    [Route("api/[controller]")]
+    [ApiController]
+    public class TextToSpeechController : ControllerBase
+    {
+        private readonly IHttpClientFactory _httpClientFactory;
+        public TextToSpeechController(IHttpClientFactory httpClientFactory)
+        {
+            _httpClientFactory = httpClientFactory;
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> Index(string message)
+        {
+            var client = _httpClientFactory.CreateClient();
+            var body = $"msg={Uri.EscapeDataString(message)}&lang=Gwyneth&source=ttsmp3";
+            var request = new HttpRequestMessage(HttpMethod.Post, "https://ttsmp3.com/makemp3_new.php")
+            {
+                Content = new StringContent(body, Encoding.UTF8, "application/x-www-form-urlencoded")
+            };
+
+            var response = await client.SendAsync(request);
+            var json = await response.Content.ReadAsStringAsync();
+            using var doc = JsonDocument.Parse(json);
+            var mp3File = doc.RootElement.GetProperty("URL").GetString();
+            var mp3Bytes = await client.GetByteArrayAsync(mp3File);
+            var tempDir = Path.GetTempPath();
+            var mp3Path = Path.Combine(tempDir, "tts.mp3");
+            var dfpwmPath = Path.Combine(tempDir, "tts.dfpwm");
+
+            await System.IO.File.WriteAllBytesAsync(mp3Path, mp3Bytes);
+            var process = new Process
+            {
+                StartInfo = new ProcessStartInfo
+                {
+                    FileName = "ffmpeg",
+                    Arguments = $"-i \"{mp3Path}\" -ac 1 -c:a dfpwm -ar 48k \"{dfpwmPath}\"",
+                    RedirectStandardError = true,
+                    UseShellExecute = false
+                }
+            };
+
+            process.Start();
+            string errorOutput = await process.StandardError.ReadToEndAsync();
+            process.WaitForExit();
+
+            if (!System.IO.File.Exists(dfpwmPath))
+            {
+                return StatusCode(500, $"FFmpeg failed: {errorOutput}");
+
+            }
+
+            var dfpwmBytes = await System.IO.File.ReadAllBytesAsync(dfpwmPath);
+            return File(dfpwmBytes, "application/octet-stream", "tts.dfpwm");
+        }
+    }
+}