FileDatabase refactor for normalization and consistency

DeepDrftContent/Controllers/TrackController.cs

@@ -0,0 +1,27 @@
+using DeepDrftContent.FileDatabase.Models;
+using DeepDrftContent.FileDatabase.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DeepDrftContent.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class TrackController : ControllerBase
+{
+    private readonly EntryKey _vaultKey = new("tracks", MediaVaultType.Audio);
+    private readonly FileDatabase.Services.FileDatabase _fileDatabase;
+
+    public TrackController(FileDatabase.Services.FileDatabase fileDatabase)
+    {
+        _fileDatabase = fileDatabase;
+    }
+
+    [HttpGet("{trackId}")]
+    public async Task<ActionResult<AudioBinaryDto>> GetTrack([FromQuery] string trackId)
+    {
+        if (_fileDatabase.GetVault(_vaultKey) is not AudioVault vault) { return NotFound(); }
+        var file = await vault.GetEntryAsync<AudioBinary>(MediaVaultType.Audio, new EntryKey(trackId, MediaVaultType.Audio));
+        if (file == null) { return NotFound(); }
+        return File(file.Buffer, MimeTypeExtensions.GetMimeType(file.Extension));
+    }
+}