Daniel Harvey
375 lines
15 KiB
C#
375 lines
15 KiB
C#
using DeepDrftContent.Data.Audio;
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using DeepDrftContent.Data.Constants;
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using DeepDrftContent.Data.FileDatabase.Models;
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using DeepDrftContent.Data.FileDatabase.Services;
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using DeepDrftContent.Middleware;
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using DeepDrftContent.Models;
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using DeepDrftContent.Services;
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using DeepDrftData;
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using Microsoft.AspNetCore.Mvc;
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namespace DeepDrftContent.Controllers;
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[ApiController]
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[Route("api/[controller]")]
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public class TrackController : ControllerBase
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{
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private readonly DeepDrftContent.Data.TrackService _trackService;
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private readonly WavOffsetService _wavOffsetService;
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private readonly UnifiedTrackService _unifiedService;
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private readonly ITrackService _sqlTrackService;
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private readonly ILogger<TrackController> _logger;
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// FileDatabase is injected directly for PutTrack because that endpoint receives a pre-processed
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// AudioBinaryDto over the wire, not a WAV file path. TrackService.AddTrackFromWavAsync is
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// file-path-oriented and not applicable here. If a file-upload flow is added in future,
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// route it through TrackService instead.
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private readonly DeepDrftContent.Data.FileDatabase.Services.FileDatabase _fileDatabase;
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public TrackController(
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DeepDrftContent.Data.TrackService trackService,
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DeepDrftContent.Data.FileDatabase.Services.FileDatabase fileDatabase,
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WavOffsetService wavOffsetService,
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UnifiedTrackService unifiedService,
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ITrackService sqlTrackService,
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ILogger<TrackController> logger)
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{
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_trackService = trackService;
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_fileDatabase = fileDatabase;
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_wavOffsetService = wavOffsetService;
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_unifiedService = unifiedService;
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_sqlTrackService = sqlTrackService;
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_logger = logger;
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}
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// --- Literal-segment routes first ---
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// These are declared before the parameterized "{trackId}" / "{id:long}" actions so route
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// resolution never treats "page", "upload", or "meta" as a trackId.
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// GET api/track/page?page=1&pageSize=20&sortColumn=TrackName&sortDescending=false
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// CMS metadata listing — paged read straight from SQL.
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[ApiKeyAuthorize]
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[HttpGet("page")]
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public async Task<ActionResult> GetPage(
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[FromQuery] int page = 1,
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[FromQuery] int pageSize = 20,
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[FromQuery] string? sortColumn = null,
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[FromQuery] bool sortDescending = false,
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CancellationToken cancellationToken = default)
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{
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var result = await _sqlTrackService.GetPaged(page, pageSize, sortColumn, sortDescending, cancellationToken);
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if (!result.Success || result.Value is null)
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{
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var error = result.Messages.FirstOrDefault()?.Message ?? "Unknown error";
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_logger.LogError("GetPage failed: {Error}", error);
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return StatusCode(500, "Failed to load tracks");
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}
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return Ok(result.Value);
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}
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// POST api/track/upload: raw WAV in (multipart/form-data) + metadata → persisted TrackEntity out.
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// Used by the CMS upload flow on DeepDrftManager; that host proxies the upload here so it never
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// touches the vault disk path or SQL directly. UnifiedTrackService owns the two-database write.
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//
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// RequestSizeLimit/MultipartBodyLengthLimit set to 1 GB: WAV uploads can be tens to hundreds
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// of MB and the framework defaults (~28 MB) reject them outright. The IFormFile path streams
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// the body to a temp file once Kestrel surfaces it, so the limit is the per-request ceiling,
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// not a buffered allocation.
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[ApiKeyAuthorize]
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[HttpPost("upload")]
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[RequestSizeLimit(1_073_741_824)]
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[RequestFormLimits(MultipartBodyLengthLimit = 1_073_741_824)]
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public async Task<ActionResult<DeepDrftModels.Entities.TrackEntity>> UploadTrack(
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[FromForm] IFormFile? wav,
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[FromForm] string? trackName,
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[FromForm] string? artist,
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[FromForm] string? album,
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[FromForm] string? genre,
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[FromForm] string? releaseDate,
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[FromForm] long createdByUserId,
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CancellationToken cancellationToken)
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{
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_logger.LogInformation("UploadTrack called: trackName={TrackName}, artist={Artist}, size={Size}",
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trackName, artist, wav?.Length);
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if (wav is null || wav.Length == 0)
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{
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return BadRequest("WAV file is required");
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}
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if (string.IsNullOrWhiteSpace(trackName))
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{
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return BadRequest("trackName is required");
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}
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if (string.IsNullOrWhiteSpace(artist))
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{
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return BadRequest("artist is required");
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}
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if (!string.Equals(Path.GetExtension(wav.FileName), ".wav", StringComparison.OrdinalIgnoreCase))
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{
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return BadRequest("Uploaded file must have a .wav extension");
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}
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DateOnly? parsedReleaseDate = null;
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if (!string.IsNullOrWhiteSpace(releaseDate))
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{
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if (!DateOnly.TryParseExact(releaseDate, "yyyy-MM-dd", out var parsed))
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{
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return BadRequest("releaseDate must be in YYYY-MM-DD format");
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}
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parsedReleaseDate = parsed;
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}
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// AudioProcessor.ProcessWavFileAsync requires a path ending in .wav and reads from disk.
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// Path.GetTempFileName() yields .tmp, which fails that check — generate our own .wav path.
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var tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N") + ".wav");
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try
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{
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await using (var tempStream = new FileStream(
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tempPath, FileMode.CreateNew, FileAccess.Write, FileShare.None,
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bufferSize: 81920, useAsync: true))
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await using (var uploadStream = wav.OpenReadStream())
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{
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await uploadStream.CopyToAsync(tempStream, cancellationToken);
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}
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var result = await _unifiedService.UploadAsync(
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tempPath,
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trackName,
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artist,
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string.IsNullOrWhiteSpace(album) ? null : album,
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string.IsNullOrWhiteSpace(genre) ? null : genre,
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parsedReleaseDate,
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createdByUserId,
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cancellationToken);
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if (!result.Success || result.Value is null)
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{
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var error = result.Messages.FirstOrDefault()?.Message ?? "Failed to process and store WAV";
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_logger.LogWarning("UploadTrack: UnifiedTrackService failed for {TrackName}: {Error}", trackName, error);
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return StatusCode(500, error);
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}
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_logger.LogInformation("UploadTrack succeeded: id={Id}, entryKey={EntryKey}", result.Value.Id, result.Value.EntryKey);
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return Ok(result.Value);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "UploadTrack failed for {TrackName}", trackName);
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return StatusCode(500, "Internal server error");
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}
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finally
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{
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try
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{
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if (System.IO.File.Exists(tempPath))
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{
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System.IO.File.Delete(tempPath);
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}
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "UploadTrack: failed to delete temp file {TempPath}", tempPath);
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}
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}
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}
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// GET api/track/meta/{id}: single track metadata from SQL.
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[ApiKeyAuthorize]
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[HttpGet("meta/{id:long}")]
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public async Task<ActionResult> GetMeta(long id)
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{
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var result = await _sqlTrackService.GetById(id);
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if (!result.Success)
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{
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var error = result.Messages.FirstOrDefault()?.Message ?? "Unknown error";
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_logger.LogError("GetMeta failed for {TrackId}: {Error}", id, error);
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return StatusCode(500, "Failed to load track");
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}
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if (result.Value is null)
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{
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return NotFound();
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}
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return Ok(result.Value);
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}
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// PUT api/track/meta/{id}: metadata-only update. EntryKey is immutable and not part of the body.
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[ApiKeyAuthorize]
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[HttpPut("meta/{id:long}")]
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public async Task<ActionResult> UpdateMeta(long id, [FromBody] UpdateTrackMetadataRequest request)
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{
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var lookup = await _sqlTrackService.GetById(id);
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if (!lookup.Success)
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{
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var error = lookup.Messages.FirstOrDefault()?.Message ?? "Unknown error";
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_logger.LogError("UpdateMeta lookup failed for {TrackId}: {Error}", id, error);
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return StatusCode(500, "Failed to load track");
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}
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if (lookup.Value is null)
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{
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return NotFound();
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}
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var track = lookup.Value;
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track.TrackName = request.TrackName;
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track.Artist = request.Artist;
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track.Album = request.Album;
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track.Genre = request.Genre;
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track.ReleaseDate = request.ReleaseDate;
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var update = await _sqlTrackService.Update(track);
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if (!update.Success)
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{
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var error = update.Messages.FirstOrDefault()?.Message ?? "Unknown error";
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_logger.LogError("UpdateMeta failed for {TrackId}: {Error}", id, error);
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return StatusCode(500, "Failed to update track");
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}
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return Ok();
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}
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// DELETE api/track/{id}: removes the SQL row then the vault entry. UnifiedTrackService owns
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// the ordering and orphan handling. Declared (with the long route constraint) before the
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// string "{trackId}" GET so a numeric id routes here.
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[ApiKeyAuthorize]
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[HttpDelete("{id:long}")]
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public async Task<ActionResult> DeleteTrack(long id, CancellationToken cancellationToken)
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{
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_logger.LogInformation("DeleteTrack called with id: {Id}", id);
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var result = await _unifiedService.DeleteAsync(id, cancellationToken);
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if (result.Success)
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{
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return Ok();
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}
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var error = result.Messages.FirstOrDefault()?.Message ?? "Unknown error";
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if (string.Equals(error, "Track not found.", StringComparison.Ordinal))
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{
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return NotFound();
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}
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_logger.LogError("DeleteTrack failed for id {Id}: {Error}", id, error);
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return StatusCode(500, error);
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}
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// --- Parameterized routes ---
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[HttpGet("{trackId}")]
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public async Task<ActionResult> GetTrack(string trackId, [FromQuery] long offset = 0)
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{
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_logger.LogInformation("GetTrack called with trackId: {TrackId}, offset: {Offset}", trackId, offset);
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try
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{
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// No-offset path: stream the file straight from disk so a 100 MB WAV does not
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// force a 100 MB LOH allocation per request. The offset path still loads
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// the full buffer because WavOffsetService block-aligns and reslices into
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// a composite stream over the in-memory buffer.
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if (offset == 0)
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{
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var vault = _fileDatabase.GetVault(VaultConstants.Tracks);
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if (vault == null)
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{
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_logger.LogWarning("Tracks vault not found");
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return NotFound();
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}
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var mediaStream = await vault.GetEntryStreamAsync(trackId);
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if (mediaStream == null)
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{
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_logger.LogWarning("Track not found: {TrackId}", trackId);
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return NotFound();
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}
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// Resolve MIME and log before handing the stream to File().
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// If anything here throws, the finally block disposes the wrapper
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// (and its inner FileStream) so neither leaks. On the success path
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// File() takes ownership of the inner stream; ASP.NET Core disposes
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// it after the response body is sent. The wrapper is a thin struct
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// with no extra resources, so disposing it after extracting the
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// inner stream is a no-op — we only call Dispose() in the catch path.
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string streamMimeType;
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long streamLength;
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Stream innerStream;
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try
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{
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streamMimeType = MimeTypeExtensions.GetMimeType(mediaStream.Extension);
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streamLength = mediaStream.Stream.Length;
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innerStream = mediaStream.Stream;
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}
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catch
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{
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await mediaStream.DisposeAsync();
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throw;
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}
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_logger.LogInformation(
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"Streaming track from disk: {TrackId}, Size: {Size} bytes",
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trackId, streamLength);
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// enableRangeProcessing: false — seek is served by WavOffsetService, not Range.
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return File(innerStream, streamMimeType, enableRangeProcessing: false);
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}
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// Offset path: route through TrackService.GetAudioBinaryAsync (Track B's
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// orchestrator boundary) so the controller stays out of FileDatabase directly.
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// The buffered AudioBinary is required because WavOffsetService block-aligns
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// and reslices into a composite stream over the in-memory buffer.
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var file = await _trackService.GetAudioBinaryAsync(trackId);
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if (file == null)
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{
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_logger.LogWarning("Track not found: {TrackId}", trackId);
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return NotFound();
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}
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var mimeType = MimeTypeExtensions.GetMimeType(file.Extension);
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var offsetStream = _wavOffsetService.CreateOffsetStream(file.Buffer, offset);
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if (offsetStream == null)
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{
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_logger.LogWarning("Invalid offset {Offset} for track: {TrackId}", offset, trackId);
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return BadRequest("Invalid offset");
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}
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_logger.LogInformation("Successfully retrieved track with offset: {TrackId}, Offset: {Offset}, StreamSize: {Size} bytes",
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trackId, offset, offsetStream.Length);
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return File(offsetStream, mimeType);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error retrieving track: {TrackId}", trackId);
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return StatusCode(500, "Internal server error");
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}
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}
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[ApiKeyAuthorize]
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[HttpPut("{trackId}")]
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public async Task<ActionResult> PutTrack(string trackId, [FromBody] AudioBinaryDto track)
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{
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_logger.LogInformation("PutTrack called with trackId: {TrackId}", trackId);
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// Reject unknown MIME types up front rather than silently storing the binary
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// with a ".bin" extension. GetExtension returns ".bin" for any unrecognised
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// MIME, so treat that as the sentinel for an unsupported type.
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if (MimeTypeExtensions.GetExtension(track.Mime) == ".bin")
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{
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_logger.LogWarning("PutTrack rejected: unsupported MIME type '{Mime}' for track {TrackId}", track.Mime, trackId);
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return BadRequest($"Unsupported MIME type: {track.Mime}");
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}
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var audioBinary = AudioBinary.From(track);
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// Direct FileDatabase write: this endpoint receives an already-processed AudioBinaryDto,
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// not a WAV file, so TrackService.AddTrackFromWavAsync does not apply. See constructor comment.
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var success = await _fileDatabase.RegisterResourceAsync(
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DeepDrftContent.Data.Constants.VaultConstants.Tracks, trackId, audioBinary);
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return success ? Ok() : BadRequest("Failed to store audio track");
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}
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}
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