Change editor rule
This commit is contained in:
@@ -2,34 +2,35 @@ using Musify.Application.Configuration;
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using Musify.Application.Contracts;
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using Musify.Application.Tracks.Responses;
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namespace Musify.Application.Services;
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/// <summary>Builds the stream URL and signed ticket for a processed track. It never touches the database.</summary>
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public sealed class TrackStreamIssuer(
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IStreamTicketService ticketService,
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TrackConfiguration trackConfiguration,
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StreamGatewayConfiguration streamGatewayConfiguration,
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PlaybackConfiguration playbackConfiguration)
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namespace Musify.Application.Services
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{
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public TrackStreamResponse Issue(string audioFolderName, long? userId, Guid? listenId)
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/// <summary>Builds the stream URL and signed ticket for a processed track. It never touches the database.</summary>
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public sealed class TrackStreamIssuer(
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IStreamTicketService ticketService,
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TrackConfiguration trackConfiguration,
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StreamGatewayConfiguration streamGatewayConfiguration,
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PlaybackConfiguration playbackConfiguration)
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{
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var folderPath = trackConfiguration.Routes.BuildProcessedAudioPath(audioFolderName);
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var ticket = ticketService.IssueTicket(userId, $"{folderPath}/", AnonymousFragmentBytes(userId));
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public TrackStreamResponse Issue(string audioFolderName, long? userId, Guid? listenId)
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{
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var folderPath = trackConfiguration.Routes.BuildProcessedAudioPath(audioFolderName);
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var ticket = ticketService.IssueTicket(userId, $"{folderPath}/", AnonymousFragmentBytes(userId));
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var manifestUrl = string.Join('/',
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streamGatewayConfiguration.PublicBaseUrl.TrimEnd('/'),
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"media",
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folderPath,
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streamGatewayConfiguration.AudioFileName);
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var manifestUrl = string.Join('/',
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streamGatewayConfiguration.PublicBaseUrl.TrimEnd('/'),
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"media",
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folderPath,
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streamGatewayConfiguration.AudioFileName);
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return new TrackStreamResponse(manifestUrl, ticket.Token, ticket.ExpiresInSeconds, listenId);
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}
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return new TrackStreamResponse(manifestUrl, ticket.Token, ticket.ExpiresInSeconds, listenId);
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}
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private long? AnonymousFragmentBytes(long? userId)
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{
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if (userId != null || playbackConfiguration.AnonymousFragmentSeconds <= 0)
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return null;
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private long? AnonymousFragmentBytes(long? userId)
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{
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if (userId != null || playbackConfiguration.AnonymousFragmentSeconds <= 0)
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return null;
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return (long)playbackConfiguration.AnonymousFragmentSeconds * playbackConfiguration.EstimatedAudioBytesPerSecond;
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return (long)playbackConfiguration.AnonymousFragmentSeconds * playbackConfiguration.EstimatedAudioBytesPerSecond;
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}
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}
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}
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@@ -8,126 +8,127 @@ using Musify.Application.Shared;
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using Musify.Domain.Entities;
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using Musify.Domain.ValueObjects;
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namespace Musify.Application.Services;
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public sealed record UploadRequest(
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UploadIntentPurpose Purpose,
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PictureRoutes Routes,
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string FileType,
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string ContentType,
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long? ExpectedSizeBytes);
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public sealed record IssuedUpload(
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Guid IntentId,
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string Key,
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string ObjectName,
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string ContentType,
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string UploadUrl);
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/// <summary>Issues pre-signed upload URLs and the upload intents that track them, checking the user quota first.</summary>
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public sealed class UploadIntentIssuer(
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IDatabase database,
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IStorageService storageService,
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UploadIntentValidator uploadIntentValidator,
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ApplicationStorageConfiguration storageConfiguration,
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UploadIntentConfiguration uploadIntentConfiguration,
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ILogger<UploadIntentIssuer> logger)
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namespace Musify.Application.Services
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{
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public async Task<ErrorOr<IReadOnlyList<IssuedUpload>>> IssueAsync(
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long userId,
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IReadOnlyList<UploadRequest> requests,
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CancellationToken cancellationToken)
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public sealed record UploadRequest(
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UploadIntentPurpose Purpose,
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PictureRoutes Routes,
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string FileType,
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string ContentType,
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long? ExpectedSizeBytes);
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public sealed record IssuedUpload(
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Guid IntentId,
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string Key,
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string ObjectName,
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string ContentType,
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string UploadUrl);
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/// <summary>Issues pre-signed upload URLs and the upload intents that track them, checking the user quota first.</summary>
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public sealed class UploadIntentIssuer(
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IDatabase database,
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IStorageService storageService,
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UploadIntentValidator uploadIntentValidator,
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ApplicationStorageConfiguration storageConfiguration,
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UploadIntentConfiguration uploadIntentConfiguration,
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ILogger<UploadIntentIssuer> logger)
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{
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var userExists = await database.Users
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.AsNoTracking()
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.AnyAsync(user => user.Id == userId, cancellationToken);
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if (!userExists)
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return AppErrors.NotFound("User", userId);
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var planned = requests
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.Select(request =>
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{
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var objectName = $"{Guid.NewGuid()}.{request.FileType.TrimStart('.').ToLowerInvariant()}";
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var key = request.Routes.BuildTempPath(uploadIntentConfiguration.TempRootPrefix, userId, objectName);
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var size = request.ExpectedSizeBytes ?? DefaultSize(request.Purpose);
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return (Request: request, ObjectName: objectName, Key: key, Size: size);
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})
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.ToList();
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await using var transaction = await database.BeginTransactionAsync(
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System.Data.IsolationLevel.Serializable, cancellationToken);
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var quota = await uploadIntentValidator.CheckQuotaAsync(
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userId, planned.Sum(item => item.Size), planned.Count, cancellationToken);
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if (quota.IsError)
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return quota.Errors;
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var expiresIn = TimeSpan.FromSeconds(uploadIntentConfiguration.UploadUrlExpiresInSeconds);
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var expiresAt = DateTime.UtcNow + expiresIn;
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var issued = new List<IssuedUpload>(planned.Count);
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foreach (var item in planned)
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public async Task<ErrorOr<IReadOnlyList<IssuedUpload>>> IssueAsync(
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long userId,
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IReadOnlyList<UploadRequest> requests,
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CancellationToken cancellationToken)
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{
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var uploadUrl = await storageService.GetUploadUrlAsync(
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storageConfiguration.Bucket, item.Key, item.Request.ContentType, expiresIn, cancellationToken: cancellationToken);
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var userExists = await database.Users
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.AsNoTracking()
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.AnyAsync(user => user.Id == userId, cancellationToken);
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if (!userExists)
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return AppErrors.NotFound("User", userId);
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var intent = new UploadIntent
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var planned = requests
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.Select(request =>
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{
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var objectName = $"{Guid.NewGuid()}.{request.FileType.TrimStart('.').ToLowerInvariant()}";
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var key = request.Routes.BuildTempPath(uploadIntentConfiguration.TempRootPrefix, userId, objectName);
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var size = request.ExpectedSizeBytes ?? DefaultSize(request.Purpose);
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return (Request: request, ObjectName: objectName, Key: key, Size: size);
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})
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.ToList();
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await using var transaction = await database.BeginTransactionAsync(
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System.Data.IsolationLevel.Serializable, cancellationToken);
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var quota = await uploadIntentValidator.CheckQuotaAsync(
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userId, planned.Sum(item => item.Size), planned.Count, cancellationToken);
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if (quota.IsError)
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return quota.Errors;
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var expiresIn = TimeSpan.FromSeconds(uploadIntentConfiguration.UploadUrlExpiresInSeconds);
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var expiresAt = DateTime.UtcNow + expiresIn;
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var issued = new List<IssuedUpload>(planned.Count);
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foreach (var item in planned)
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{
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UserId = userId,
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Bucket = storageConfiguration.Bucket,
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Key = item.Key,
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ObjectName = item.ObjectName,
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ContentType = item.Request.ContentType,
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ExpectedSizeBytes = item.Size,
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Purpose = item.Request.Purpose,
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ExpiresAt = expiresAt,
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};
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var uploadUrl = await storageService.GetUploadUrlAsync(
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storageConfiguration.Bucket, item.Key, item.Request.ContentType, expiresIn, cancellationToken: cancellationToken);
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await database.UploadIntents.AddAsync(intent, cancellationToken);
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issued.Add(new IssuedUpload(intent.Id, item.Key, item.ObjectName, item.Request.ContentType, uploadUrl));
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var intent = new UploadIntent
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{
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UserId = userId,
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Bucket = storageConfiguration.Bucket,
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Key = item.Key,
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ObjectName = item.ObjectName,
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ContentType = item.Request.ContentType,
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ExpectedSizeBytes = item.Size,
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Purpose = item.Request.Purpose,
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ExpiresAt = expiresAt,
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};
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await database.UploadIntents.AddAsync(intent, cancellationToken);
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issued.Add(new IssuedUpload(intent.Id, item.Key, item.ObjectName, item.Request.ContentType, uploadUrl));
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}
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await database.SaveChangesAsync(cancellationToken);
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await transaction.CommitAsync(cancellationToken);
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logger.LogInformation("Issued {Count} upload intents for user {UserId} ({Purposes})",
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issued.Count, userId, string.Join('/', planned.Select(item => item.Request.Purpose)));
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return issued;
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}
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await database.SaveChangesAsync(cancellationToken);
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await transaction.CommitAsync(cancellationToken);
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public async Task<ErrorOr<IssuedUpload>> IssueOneAsync(long userId, UploadRequest request, CancellationToken cancellationToken)
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{
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var issued = await IssueAsync(userId, [request], cancellationToken);
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return issued.IsError ? issued.Errors : issued.Value[0];
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}
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logger.LogInformation("Issued {Count} upload intents for user {UserId} ({Purposes})",
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issued.Count, userId, string.Join('/', planned.Select(item => item.Request.Purpose)));
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public async Task<ErrorOr<PictureUploadResponse>> IssuePictureAsync(
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long userId,
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UploadIntentPurpose purpose,
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IPictureOwnerConfiguration owner,
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string fileType,
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string contentType,
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long? expectedSizeBytes,
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CancellationToken cancellationToken)
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{
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var issued = await IssueOneAsync(
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userId, new UploadRequest(purpose, owner.Routes, fileType, contentType, expectedSizeBytes), cancellationToken);
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if (issued.IsError)
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return issued.Errors;
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return issued;
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return new PictureUploadResponse(
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issued.Value.IntentId,
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storageConfiguration.Bucket,
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issued.Value.Key,
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issued.Value.ObjectName,
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issued.Value.ContentType,
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uploadIntentConfiguration.UploadUrlExpiresInSeconds,
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issued.Value.UploadUrl);
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}
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private long DefaultSize(UploadIntentPurpose purpose) =>
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purpose == UploadIntentPurpose.TrackAudio
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? uploadIntentConfiguration.DefaultExpectedAudioSizeBytes
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: uploadIntentConfiguration.DefaultExpectedPictureSizeBytes;
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}
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public async Task<ErrorOr<IssuedUpload>> IssueOneAsync(long userId, UploadRequest request, CancellationToken cancellationToken)
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{
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var issued = await IssueAsync(userId, [request], cancellationToken);
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return issued.IsError ? issued.Errors : issued.Value[0];
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}
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public async Task<ErrorOr<PictureUploadResponse>> IssuePictureAsync(
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long userId,
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UploadIntentPurpose purpose,
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IPictureOwnerConfiguration owner,
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string fileType,
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string contentType,
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long? expectedSizeBytes,
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CancellationToken cancellationToken)
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{
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var issued = await IssueOneAsync(
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userId, new UploadRequest(purpose, owner.Routes, fileType, contentType, expectedSizeBytes), cancellationToken);
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if (issued.IsError)
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return issued.Errors;
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return new PictureUploadResponse(
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issued.Value.IntentId,
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storageConfiguration.Bucket,
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issued.Value.Key,
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issued.Value.ObjectName,
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issued.Value.ContentType,
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uploadIntentConfiguration.UploadUrlExpiresInSeconds,
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issued.Value.UploadUrl);
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}
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private long DefaultSize(UploadIntentPurpose purpose) =>
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purpose == UploadIntentPurpose.TrackAudio
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? uploadIntentConfiguration.DefaultExpectedAudioSizeBytes
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: uploadIntentConfiguration.DefaultExpectedPictureSizeBytes;
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}
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@@ -6,72 +6,73 @@ using Musify.Application.Shared;
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using Musify.Domain.Entities;
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using Musify.Domain.ValueObjects;
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namespace Musify.Application.Services;
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public sealed class UploadIntentValidator(
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IDatabase database,
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IStorageService storageService,
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UploadIntentConfiguration config)
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namespace Musify.Application.Services
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{
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public async Task<ErrorOr<Success>> CheckQuotaAsync(
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long userId,
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long requiredBytes,
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int requiredIntentCount,
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CancellationToken cancellationToken)
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public sealed class UploadIntentValidator(
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IDatabase database,
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IStorageService storageService,
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UploadIntentConfiguration config)
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{
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var now = DateTime.UtcNow;
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var pictureDefault = config.DefaultExpectedPictureSizeBytes;
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var audioDefault = config.DefaultExpectedAudioSizeBytes;
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public async Task<ErrorOr<Success>> CheckQuotaAsync(
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long userId,
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long requiredBytes,
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int requiredIntentCount,
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CancellationToken cancellationToken)
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{
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var now = DateTime.UtcNow;
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var pictureDefault = config.DefaultExpectedPictureSizeBytes;
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var audioDefault = config.DefaultExpectedAudioSizeBytes;
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var active = await database.UploadIntents
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.AsNoTracking()
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.Where(intent => intent.UserId == userId && intent.Status == UploadIntentStatus.Issued && intent.ExpiresAt > now)
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.GroupBy(_ => 1)
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.Select(group => new
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{
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Count = group.Count(),
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Bytes = group.Sum(intent => intent.ExpectedSizeBytes
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?? (intent.Purpose == UploadIntentPurpose.TrackAudio ? audioDefault : pictureDefault))
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})
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.SingleOrDefaultAsync(cancellationToken);
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var active = await database.UploadIntents
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.AsNoTracking()
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.Where(intent => intent.UserId == userId && intent.Status == UploadIntentStatus.Issued && intent.ExpiresAt > now)
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.GroupBy(_ => 1)
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.Select(group => new
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{
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Count = group.Count(),
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Bytes = group.Sum(intent => intent.ExpectedSizeBytes
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?? (intent.Purpose == UploadIntentPurpose.TrackAudio ? audioDefault : pictureDefault))
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})
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.SingleOrDefaultAsync(cancellationToken);
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if ((active?.Count ?? 0) + requiredIntentCount > config.MaxActiveUploadIntentsPerUser)
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return Error.Validation(description: "Upload intent limit exceeded. Wait for existing uploads to complete or expire.");
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if ((active?.Count ?? 0) + requiredIntentCount > config.MaxActiveUploadIntentsPerUser)
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return Error.Validation(description: "Upload intent limit exceeded. Wait for existing uploads to complete or expire.");
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if ((active?.Bytes ?? 0) + requiredBytes > config.MaxActiveUploadBytesPerUser)
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return Error.Validation(description: "Upload byte quota exceeded. Wait for existing uploads to complete or expire.");
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if ((active?.Bytes ?? 0) + requiredBytes > config.MaxActiveUploadBytesPerUser)
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return Error.Validation(description: "Upload byte quota exceeded. Wait for existing uploads to complete or expire.");
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return Result.Success;
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}
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return Result.Success;
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}
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public async Task<ErrorOr<UploadIntent>> ValidateAndLoadAsync(
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Guid intentId,
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long userId,
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UploadIntentPurpose purpose,
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CancellationToken cancellationToken)
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{
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var intent = await database.UploadIntents
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.FirstOrDefaultAsync(i => i.Id == intentId, cancellationToken);
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public async Task<ErrorOr<UploadIntent>> ValidateAndLoadAsync(
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Guid intentId,
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long userId,
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UploadIntentPurpose purpose,
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CancellationToken cancellationToken)
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{
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var intent = await database.UploadIntents
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.FirstOrDefaultAsync(i => i.Id == intentId, cancellationToken);
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if (intent == null || intent.UserId != userId)
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return AppErrors.NotFound("UploadIntent", intentId);
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if (intent == null || intent.UserId != userId)
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return AppErrors.NotFound("UploadIntent", intentId);
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if (intent.Purpose != purpose)
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return Error.Validation(description: "Upload intent was issued for a different purpose.");
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if (intent.Purpose != purpose)
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return Error.Validation(description: "Upload intent was issued for a different purpose.");
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if (intent.IsConsumed)
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return AppErrors.Conflict("UploadIntent.Consumed", "Upload intent has already been consumed.");
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if (intent.IsConsumed)
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return AppErrors.Conflict("UploadIntent.Consumed", "Upload intent has already been consumed.");
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if (intent.IsExpiredAt(DateTime.UtcNow))
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return Error.Validation(description: "Upload intent has expired.");
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if (intent.IsExpiredAt(DateTime.UtcNow))
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return Error.Validation(description: "Upload intent has expired.");
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var metadata = await storageService.HeadObjectAsync(intent.Bucket, intent.Key, cancellationToken);
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if (metadata == null)
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return Error.NotFound("UploadIntent.ObjectMissing", "Uploaded object not found in storage. Upload the file first.");
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var metadata = await storageService.HeadObjectAsync(intent.Bucket, intent.Key, cancellationToken);
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if (metadata == null)
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return Error.NotFound("UploadIntent.ObjectMissing", "Uploaded object not found in storage. Upload the file first.");
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if (metadata.ContentLength > config.MaxUploadBytes)
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return Error.Validation(description: $"Uploaded file exceeds the maximum allowed size of {config.MaxUploadBytes} bytes.");
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if (metadata.ContentLength > config.MaxUploadBytes)
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return Error.Validation(description: $"Uploaded file exceeds the maximum allowed size of {config.MaxUploadBytes} bytes.");
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return intent;
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return intent;
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}
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}
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}
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