50 lines
1.9 KiB
C#
50 lines
1.9 KiB
C#
using ErrorOr;
|
|
using Mediator;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using Microsoft.Extensions.Logging;
|
|
using Musify.Application.Configuration;
|
|
using Musify.Application.Contracts;
|
|
using Musify.Application.Services;
|
|
using Musify.Application.Tracks.Responses;
|
|
using Musify.Domain.ValueObjects;
|
|
|
|
namespace Musify.Application.Tracks;
|
|
|
|
|
|
public record GetTrackStreamQuery(Guid TrackId, long? UserId)
|
|
: IQuery<ErrorOr<TrackStreamResponse>>;
|
|
|
|
public class GetTrackStreamQueryHandler(
|
|
IDatabase database,
|
|
TrackStreamIssuer streamIssuer,
|
|
PlaybackConfiguration playbackConfiguration,
|
|
ILogger<GetTrackStreamQueryHandler> logger)
|
|
: IQueryHandler<GetTrackStreamQuery, ErrorOr<TrackStreamResponse>>
|
|
{
|
|
public async ValueTask<ErrorOr<TrackStreamResponse>> Handle(GetTrackStreamQuery request, CancellationToken cancellationToken)
|
|
{
|
|
if (request.UserId == null && !playbackConfiguration.AllowAnonymousListening)
|
|
return Error.Unauthorized(description: "Sign in to stream music, or ask an administrator to enable anonymous listening.");
|
|
|
|
var track = await database.Tracks.AsNoTracking()
|
|
.Where(t => t.Id == request.TrackId && t.LifeCycleStatus == LifeCycleStatus.Active)
|
|
.Select(t => new { t.Id, t.Audio })
|
|
.SingleOrDefaultAsync(cancellationToken);
|
|
|
|
if (track == null)
|
|
return Error.NotFound();
|
|
|
|
if (!track.Audio.IsProcessed)
|
|
{
|
|
logger.LogInformation("Stream requested for track {TrackId} but audio is not ready", request.TrackId);
|
|
return Error.Conflict(description: "Track audio is not available for streaming yet.");
|
|
}
|
|
|
|
var response = await streamIssuer.IssueAsync(track.Id, track.Audio.FolderName, request.UserId, cancellationToken);
|
|
|
|
logger.LogInformation("Issued stream ticket for track {TrackId} to user {UserId}", request.TrackId, request.UserId?.ToString() ?? "(anonymous)");
|
|
|
|
return response;
|
|
}
|
|
}
|