A lot of changes

2026-05-14 14:32:19 +02:00
parent d2b83524cf
commit 7215eebb5a
43 changed files with 2941 additions and 444 deletions
@@ -0,0 +1,110 @@
+using Ardalis.Result;
+using Mediator;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Abstractions.Infrastructure;
+using Musify.Application.Configuration;
+using Musify.Application.Tracks.Commands;
+using Musify.Application.Tracks.Responses;
+
+namespace Musify.Application.Tracks.Handler
+{
+    public class RequestTrackUploadUrlsCommandHandler(
+        IDatabase database,
+        IStorageService storageService,
+        ILogger<RequestTrackUploadUrlsCommandHandler> logger,
+        ApplicationStorageConfiguration storageConfiguration,
+        TrackConfiguration trackConfiguration)
+        : ICommandHandler<RequestTrackUploadUrlsCommand, Result<TrackUploadUrlsResponse>>
+    {
+        static readonly string[] AllowedPictureExtensions = [".webp", ".png", ".jpg", ".jpeg"];
+        static readonly string[] AllowedAudioExtensions = [".mp3", ".wav", ".m4a", ".flac", ".ogg", ".aac", ".opus"];
+        const int ExpiresInSeconds = 600;
+
+        public async ValueTask<Result<TrackUploadUrlsResponse>> Handle(RequestTrackUploadUrlsCommand request, CancellationToken cancellationToken)
+        {
+            var userExists = await database.Users
+                .AsNoTracking()
+                .AnyAsync(u => u.Id == request.UserId, cancellationToken);
+            if (!userExists)
+            {
+                logger.LogWarning("User {UserId} not found", request.UserId);
+                return Result.NotFound($"User {request.UserId} not found");
+            }
+
+            var pictureExtensionResult = ValidateExtension(request.PictureFileType, AllowedPictureExtensions);
+            if (!pictureExtensionResult.IsSuccess)
+                return Result.Invalid(pictureExtensionResult.Errors.Select(error => new ValidationError(error)).ToArray());
+
+            var audioExtensionResult = ValidateExtension(request.AudioFileType, AllowedAudioExtensions);
+            if (!audioExtensionResult.IsSuccess)
+                return Result.Invalid(audioExtensionResult.Errors.Select(error => new ValidationError(error)).ToArray());
+
+            if (string.IsNullOrWhiteSpace(request.PictureContentType))
+                return Result.Invalid(new ValidationError("PictureContentType is required"));
+
+            if (string.IsNullOrWhiteSpace(request.AudioContentType))
+                return Result.Invalid(new ValidationError("AudioContentType is required"));
+
+            var pictureName = Guid.NewGuid() + pictureExtensionResult.Value;
+            var audioName = Guid.NewGuid() + audioExtensionResult.Value;
+
+            var pictureKey = trackConfiguration.Routes.BuildOriginalPicturePath(request.UserId, pictureName);
+            var audioKey = trackConfiguration.Routes.BuildOriginalAudioPath(request.UserId, audioName);
+
+            try
+            {
+                var pictureUploadUrl = await storageService.GetUploadUrlAsync(
+                    storageConfiguration.Bucket,
+                    pictureKey,
+                    request.PictureContentType,
+                    TimeSpan.FromSeconds(ExpiresInSeconds),
+                    cancellationToken);
+
+                var audioUploadUrl = await storageService.GetUploadUrlAsync(
+                    storageConfiguration.Bucket,
+                    audioKey,
+                    request.AudioContentType,
+                    TimeSpan.FromSeconds(ExpiresInSeconds),
+                    cancellationToken);
+
+                return Result.Success(new TrackUploadUrlsResponse(
+                    storageConfiguration.Bucket,
+                    pictureKey,
+                    pictureName,
+                    request.PictureContentType,
+                    pictureUploadUrl,
+                    audioKey,
+                    audioName,
+                    request.AudioContentType,
+                    audioUploadUrl,
+                    ExpiresInSeconds));
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Failed to generate track upload URLs for user {UserId}", request.UserId);
+                return Result.Error("Failed to generate upload URLs");
+            }
+        }
+
+        static Result<string> ValidateExtension(string fileType, string[] allowedExtensions)
+        {
+            if (string.IsNullOrWhiteSpace(fileType))
+                return Result.Error("FileType is required");
+
+            var extension = fileType.Trim();
+            if (!extension.StartsWith('.'))
+                extension = "." + extension;
+
+            extension = extension.ToLowerInvariant();
+
+            if (extension.Contains('/') || extension.Contains('\\'))
+                return Result.Error("Invalid FileType");
+
+            if (!allowedExtensions.Contains(extension))
+                return Result.Error($"Unsupported FileType '{extension}'");
+
+            return Result.Success(extension);
+        }
+    }
+}