misc: move Models & Helpers into Common & Avalonia projects

2025-07-29 09:10:01 -06:00 · 2024-12-29 19:09:28 -06:00
parent 9baaa2b8f8
commit 6caab1aa37
65 changed files with 141 additions and 146 deletions
--- a/src/Ryujinx/Utilities/DownloadableContentsHelper.cs
+++ b/src/Ryujinx/Utilities/DownloadableContentsHelper.cs
@ -0,0 +1,135 @@
+using LibHac.Common;
+using LibHac.Fs;
+using LibHac.Fs.Fsa;
+using LibHac.Tools.FsSystem;
+using LibHac.Tools.FsSystem.NcaUtils;
+using Ryujinx.Ava.Common.Models;
+using Ryujinx.Common.Configuration;
+using Ryujinx.Common.Logging;
+using Ryujinx.Common.Utilities;
+using Ryujinx.HLE.FileSystem;
+using Ryujinx.HLE.Utilities;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Path = System.IO.Path;
+
+namespace Ryujinx.Ava.Utilities
+{
+    public static class DownloadableContentsHelper
+    {
+        private static readonly DownloadableContentJsonSerializerContext _serializerContext = new(JsonHelper.GetDefaultSerializerOptions());
+
+        public static List<(DownloadableContentModel, bool IsEnabled)> LoadDownloadableContentsJson(VirtualFileSystem vfs, ulong applicationIdBase)
+        {
+            var downloadableContentJsonPath = PathToGameDLCJson(applicationIdBase);
+
+            if (!File.Exists(downloadableContentJsonPath))
+            {
+                return [];
+            }
+
+            try
+            {
+                var downloadableContentContainerList = JsonHelper.DeserializeFromFile(downloadableContentJsonPath,
+                    _serializerContext.ListDownloadableContentContainer);
+                return LoadDownloadableContents(vfs, downloadableContentContainerList);
+            }
+            catch
+            {
+                Logger.Error?.Print(LogClass.Configuration, "Downloadable Content JSON failed to deserialize.");
+                return [];
+            }
+        }
+
+        public static void SaveDownloadableContentsJson(ulong applicationIdBase, List<(DownloadableContentModel, bool IsEnabled)> dlcs)
+        {
+            DownloadableContentContainer container = default;
+            List<DownloadableContentContainer> downloadableContentContainerList = new();
+
+            foreach ((DownloadableContentModel dlc, bool isEnabled) in dlcs)
+            {
+                if (container.ContainerPath != dlc.ContainerPath)
+                {
+                    if (!string.IsNullOrWhiteSpace(container.ContainerPath))
+                    {
+                        downloadableContentContainerList.Add(container);
+                    }
+
+                    container = new DownloadableContentContainer
+                    {
+                        ContainerPath = dlc.ContainerPath,
+                        DownloadableContentNcaList = [],
+                    };
+                }
+
+                container.DownloadableContentNcaList.Add(new DownloadableContentNca
+                {
+                    Enabled = isEnabled,
+                    TitleId = dlc.TitleId,
+                    FullPath = dlc.FullPath,
+                });
+            }
+
+            if (!string.IsNullOrWhiteSpace(container.ContainerPath))
+            {
+                downloadableContentContainerList.Add(container);
+            }
+
+            var downloadableContentJsonPath = PathToGameDLCJson(applicationIdBase);
+            JsonHelper.SerializeToFile(downloadableContentJsonPath, downloadableContentContainerList, _serializerContext.ListDownloadableContentContainer);
+        }
+
+        private static List<(DownloadableContentModel, bool IsEnabled)> LoadDownloadableContents(VirtualFileSystem vfs, List<DownloadableContentContainer> downloadableContentContainers)
+        {
+            var result = new List<(DownloadableContentModel, bool IsEnabled)>();
+
+            foreach (DownloadableContentContainer downloadableContentContainer in downloadableContentContainers)
+            {
+                if (!File.Exists(downloadableContentContainer.ContainerPath))
+                {
+                    continue;
+                }
+
+                using IFileSystem partitionFileSystem = PartitionFileSystemUtils.OpenApplicationFileSystem(downloadableContentContainer.ContainerPath, vfs);
+
+                foreach (DownloadableContentNca downloadableContentNca in downloadableContentContainer.DownloadableContentNcaList)
+                {
+                    using UniqueRef<IFile> ncaFile = new();
+
+                    partitionFileSystem.OpenFile(ref ncaFile.Ref, downloadableContentNca.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
+
+                    Nca nca = TryOpenNca(vfs, ncaFile.Get.AsStorage());
+                    if (nca == null)
+                    {
+                        continue;
+                    }
+
+                    var content = new DownloadableContentModel(nca.Header.TitleId,
+                        downloadableContentContainer.ContainerPath,
+                        downloadableContentNca.FullPath);
+
+                    result.Add((content, downloadableContentNca.Enabled));
+                }
+            }
+
+            return result;
+        }
+
+        private static Nca TryOpenNca(VirtualFileSystem vfs, IStorage ncaStorage)
+        {
+            try
+            {
+                return new Nca(vfs.KeySet, ncaStorage);
+            }
+            catch (Exception) { }
+
+            return null;
+        }
+
+        private static string PathToGameDLCJson(ulong applicationIdBase)
+        {
+            return Path.Combine(AppDataManager.GamesDirPath, applicationIdBase.ToString("x16"), "dlc.json");
+        }
+    }
+}