Initial commitwasm-initial

1 files changed, 0 insertions, 400 deletions

diff --git a/Services/MediaService.cs b/Services/MediaService.cs
deleted file mode 100644
index e497570..0000000
--- a/Services/MediaService.cs
+++ /dev/null
@@ -1,400 +0,0 @@
-using HyperBooru.ApiModels;
-using ImageMagick;
-using Microsoft.EntityFrameworkCore;
-using MimeDetective;
-using MimeDetective.Definitions;
-using System.Security.Cryptography;
-using System.Text.RegularExpressions;
-
-namespace HyperBooru.Services;
-
-public interface IMediaService {
-    public void SetDescription(
-        Media media,
-        string? shortDescription,
-        string? longDescription);
-
-    public void SetIngest(Media media, bool ingest);
-
-    public Media Create(
-        Stream fileData,
-        string fileName,
-        string? checksum = null,
-        DateTime? lastAccessTime = null,
-        DateTime? lastWriteTime = null,
-        DateTime? createTime = null,
-        string? path = null,
-        PathType? pathType = null,
-        Guid[]? tagIds = null);
-
-    public void Delete(Guid media);
-    public void Delete(Media media);
-    public void DeleteThumbnails(Guid media);
-    public void DeleteThumbnails(Media media);
-    public Stream GetThumbnail(Guid media, int? width, int? height);
-    public Stream GetThumbnail(Media media, int? width, int? height);
-    public Stream GetConverted(Guid mediaId, string mimeType = "image/png");
-    public Stream GetConverted(Media media, string mimeType = "image/png");
-    public string GetPath(Guid media);
-    public string GetPath(Media media);
-
-}
-
-public class MediaService : IMediaService {
-    private readonly Dictionary<string,MagickFormat> FormatMap = new() {
-        ["image/jpeg"] = MagickFormat.Jpeg,
-        ["image/jpg"]  = MagickFormat.Jpg,
-        ["image/png"]  = MagickFormat.Png,
-        ["image/webp"] = MagickFormat.WebP
-    };
-
-    private IDbContextFactory<HBContext> dbFactory;
-    private IConfigService               config;
-
-    private IContentInspector inspector;
-
-    public MediaService(IDbContextFactory<HBContext> dbFactory,
-        IConfigService config) {
-
-        this.dbFactory = dbFactory;
-        this.config    = config;
-
-        ContentInspectorBuilder inspectorBuilder = new() {
-            Definitions =
-                DefaultDefinitions.FileTypes.Images.All()
-                .Union(DefaultDefinitions.FileTypes.Video.All())
-                .ToList()
-        };
-
-        inspector = inspectorBuilder.Build();
-    }
-
-    public void SetIngest(Media media, bool ingest) {
-        using var db = dbFactory.CreateDbContext();
-        media = db.Media
-            .Include(m => m.Tags)
-            .ThenInclude(t => t.TagDefinition)
-            .First(m => m.Guid == media.Guid);
-        var ingestTag = db.TagDefinitions
-            .First(td => td.Guid == HBContext.IngestTag);
-
-        if(ingest) {
-            if(!media.Tags.Select(t => t.TagDefinition.Guid).Contains(HBContext.IngestTag))
-                media.Tags.Add(new(ingestTag));
-        } else {
-            media.Tags.RemoveAll(t => t.TagDefinition.Guid == HBContext.IngestTag);
-        }
-
-        db.SaveChanges();
-    }
-
-    public void SetDescription(
-        Media media,
-        string? shortDescription,
-        string? longDescription) {
-
-        using var db = dbFactory.CreateDbContext();
-        var m = db.Media.First(m => m.Guid == media.Guid);
-
-        shortDescription = shortDescription?.Trim();
-        longDescription  = longDescription?.Trim();
-
-        if(string.IsNullOrEmpty(shortDescription))
-            shortDescription = null;
-        if(string.IsNullOrEmpty(longDescription))
-            longDescription = null;
-
-        m.ShortDescription = shortDescription;
-        m.LongDescription  = longDescription;
-
-        db.SaveChanges();
-    }
-
-    public Media Create(
-        Stream fileData,
-        string fileName,
-        string? checksum = null,
-        DateTime? lastAccessTime = null,
-        DateTime? lastWriteTime = null,
-        DateTime? createTime = null,
-        string? path = null,
-        PathType? pathType = null,
-        Guid[]? tagIds = null) {
-
-        using var db = dbFactory.CreateDbContext();
-        using var transaction = db.Database.BeginTransaction();
-
-        if(fileData.Length == 0)
-            throw new MediaCreateException("File is empty");
-
-        // Calculate the checksum using the in-memory file contents
-        var hash = BitConverter
-            .ToString(MD5.Create().ComputeHash(fileData))
-            .Replace("-", "")
-            .ToLower();
-
-        if(checksum is not null && hash != checksum.ToLower())
-            throw new MediaCreateException("Checksum does not match");
-
-        // Determine the MIME type
-        fileData.Seek(0, SeekOrigin.Begin);
-        var defs = inspector.Inspect(fileData);
-        var mime = defs.ByMimeType().FirstOrDefault()?.MimeType;
-        if(mime is null)
-            throw new MediaCreateException("Unsupported file type");
-
-        // Read the image with ImageMagick to determine the width and height
-        fileData.Seek(0, SeekOrigin.Begin);
-        using var magickImage = new MagickImage(fileData);
-
-        var media = db.Media
-            .Include(m => m.UploadedFiles)
-            .Include(m => m.Tags)
-            .FirstOrDefault(m => m.UploadedFiles.Any(uf => uf.Checksum == hash));
-
-        var fileRecord = new UploadedFile() {
-            Filename         = fileName,
-            Length           = fileData.Length,
-            Checksum         = hash,
-            ChecksumVerified = checksum is not null,
-            MimeType         = mime,
-            Width            = (int) magickImage.Width,
-            Height           = (int) magickImage.Height,
-            UploadTime       = DateTime.UtcNow,
-            LastAccessTime   = lastAccessTime,
-            LastWriteTime    = lastWriteTime,
-            CreateTime       = createTime,
-            Path             = pathType is null ? null : path,
-            PathType         = pathType
-        };
-
-        var tags = Array.Empty<TagDefinition>();
-        if(tagIds is not null) {
-            tagIds = tagIds.Distinct().ToArray();
-
-            tags = db.TagDefinitions
-                .Where(td => tagIds.Contains(td.Guid))
-                .ToArray();
-
-            if(tags.Count() < tagIds.Count()) {
-                var badIds = tagIds
-                    .Where(x => !tags.Select(td => td.Guid).Contains(x))
-                    .Order();
-
-                throw new MediaCreateException(
-                    $"Non-existent tags specified: {string.Join(", ", badIds)}");
-            }
-        }
-
-        if(media is null) {
-            var ingestTagDef = db.TagDefinitions
-                .First(td => td.Guid == HBContext.IngestTag);
-
-            media = new() {
-                UploadedFiles = new() {
-                    fileRecord
-                },
-                Tags = tags is null ? [ new() { TagDefinition = ingestTagDef } ] : tags
-                    .Select(td => new Tag() { TagDefinition = td })
-                    .ToList()
-            };
-
-            using var newFile = File.Create(GetPath(media));
-
-            fileData.Seek(0, SeekOrigin.Begin);
-            fileData.CopyTo(newFile);
-            newFile.Flush();
-
-            db.Media.Add(media);
-            db.SaveChanges();
-            media.CurrentUploadedFile = fileRecord;
-            db.SaveChanges();
-        } else {
-            var fileHashes = media.UploadedFiles
-                .Select(uf => GetUploadedFileHash(uf));
-            // Only add the uploaded file record if it contains new information
-            if(!fileHashes.Contains(GetUploadedFileHash(fileRecord)))
-                media.UploadedFiles.Add(fileRecord);
-            // Add new tags if needed
-            var missingTags = tags
-                .Where(td => !media.Tags.Select(t => t.TagDefinition.Guid).Contains(td.Guid));
-            media.Tags.AddRange(missingTags.Select(td => new Tag() { TagDefinition = td }));
-            db.Update(media);
-            db.SaveChanges();
-        }
-
-        transaction.Commit();
-
-        return media;
-    }
-
-    public void Delete(Guid media) {
-        using var db = dbFactory.CreateDbContext();
-        var m = db.Media.First(m => m.Guid == media);
-
-        var path = Path.Join(
-            config.MediaBasePath,
-            m.Guid.ToString().Substring(0, 2),
-            m.Guid.ToString().Substring(2, 2),
-            m.Guid.ToString());
-
-        try {
-            var fileInfo = new FileInfo(path);
-            fileInfo.Delete();
-            fileInfo.Directory?.Delete();
-            fileInfo.Directory?.Parent?.Delete();
-        } catch(IOException) {}
-
-        try {
-            DeleteThumbnails(media);
-        } catch {}
-
-        db.Media.Remove(m);
-        db.SaveChanges();
-    }
-
-    public void Delete(Media media) =>
-        Delete(media.Guid);
-
-    public void DeleteThumbnails(Guid media) {
-        var dir = new DirectoryInfo(Path.Join(
-            config.ThumbnailBasePath,
-            media.ToString().Substring(0, 2),
-            media.ToString().Substring(2, 2)));
-
-        var pattern = new Regex($"^{media}-[0-9]+-[0-9]+$");
-        var toDelete = dir.GetFiles()
-            .Where(f => pattern.IsMatch(f.Name))
-            .ToList();
-
-        List<Exception> exceptions = new();
-
-        foreach(var file in toDelete) {
-            try {
-                file.Delete();
-            } catch(Exception e) {
-                exceptions.Add(e);
-            }
-        }
-
-        try {
-            dir.Delete();
-            dir.Parent?.Delete();
-        } catch(Exception e) {
-            exceptions.Add(e);
-        }
-
-        // TODO: wrap the AggregateException in a ThumbnailException
-        if(exceptions.Count() > 1)
-            throw new AggregateException(exceptions);
-    }
-
-    public void DeleteThumbnails(Media media) =>
-        DeleteThumbnails(media.Guid);
-
-    public Stream GetThumbnail(Guid mediaId, int? width, int? height) {
-        if(width is null && height is null)
-            throw new ThumbnailException(
-                "Both width and height cannot be null!",
-                mediaId);
-
-        var thumbPath = GetThumbnailPath(mediaId, width, height);
-
-        if(File.Exists(thumbPath))
-            return System.IO.File.OpenRead(thumbPath);
-
-        if(!File.Exists(GetPath(mediaId)))
-            throw new ObjectNotFoundException(mediaId);
-
-        using var image = new MagickImage(GetPath(mediaId));
-
-        if(width > image.Width || height > image.Height) {
-            width  = (int) image.Width;
-            height = (int) image.Height;
-        }
-
-        image.Thumbnail((uint) (width ?? -1), (uint) (height ?? -1));
-        image.Write(thumbPath, MagickFormat.Jpeg);
-
-        return System.IO.File.OpenRead(thumbPath);
-    }
-
-    public Stream GetConverted(Guid mediaId, string mimeType) {
-        if(!FormatMap.TryGetValue(mimeType, out var format))
-            throw new MediaException($"Cannot convert to unknown format ({mimeType})", mediaId);
-
-        var convertedPath = GetConvertedPath(mediaId, mimeType);
-
-        if(File.Exists(convertedPath))
-            return System.IO.File.OpenRead(convertedPath);
-
-        if(!File.Exists(GetPath(mediaId)))
-            throw new ObjectNotFoundException(mediaId);
-
-        using var image = new MagickImage(GetPath(mediaId));
-        image.Write(convertedPath, format);
-
-        return System.IO.File.OpenRead(convertedPath);
-    }
-
-    public Stream GetThumbnail(Media media, int? width, int? height) =>
-        GetThumbnail(media.Guid, width, height);
-
-    public Stream GetConverted(Media media, string mimeType) =>
-        GetConverted(media.Guid, mimeType);
-
-    public string GetPath(Guid mediaId) {
-        var fileInfo = new FileInfo(
-            Path.Join(
-                config.MediaBasePath,
-                mediaId.ToString().Substring(0, 2),
-                mediaId.ToString().Substring(2, 2),
-                mediaId.ToString()));
-
-        Directory.CreateDirectory(fileInfo.Directory!.FullName);
-        return fileInfo.FullName;
-    }
-
-    public string GetThumbnailPath(Guid mediaId, int? width, int? height) {
-        if(width is null && height is null)
-            throw new ThumbnailException(
-                "Both width and height cannot be null!",
-                mediaId);
-
-        var fileInfo = new FileInfo(Path.Join(
-            config.ThumbnailBasePath,
-            mediaId.ToString().Substring(0, 2),
-            mediaId.ToString().Substring(2, 2),
-            $"{mediaId.ToString()}-{(width ?? 0)}-{(height ?? 0)}"));
-
-        Directory.CreateDirectory(fileInfo.Directory!.FullName);
-        return fileInfo.FullName;
-    }
-
-    public string GetConvertedPath(Guid mediaId, string mimeType) {
-        var fileInfo = new FileInfo(Path.Join(
-            config.ConvertedMediaBasePath,
-            mediaId.ToString().Substring(0, 2),
-            mediaId.ToString().Substring(2, 2),
-            $"{mediaId.ToString()}-{mimeType.Split('/')[1]}"));
-
-        Directory.CreateDirectory(fileInfo.Directory!.FullName);
-        return fileInfo.FullName;
-    }
-
-    public string GetPath(Media media) =>
-        GetPath(media.Guid);
-
-    public string GetThumbnailPath(Media media, int? width, int? height) =>
-        GetThumbnailPath(media.Guid, width, height);
-
-    public string GetConvertedPath(Media media, string mimeType) =>
-        GetConvertedPath(media.Guid, mimeType);
-
-    private int GetUploadedFileHash(UploadedFile uf) => (
-        uf.CreateTime,
-        uf.LastWriteTime,
-        uf.Filename,
-        uf.Length,
-        uf.Checksum).GetHashCode();
-}