Avalonia - Save Manager (#3476)

* Add save manager to account selector

* add fallback to app metadata for titlename if app is not in gamelist

* Allow recovering lost accounts

Ryujinx.Ava/Ui/Models/SaveModel.cs

@@ -0,0 +1,122 @@
+using LibHac;
+using LibHac.Fs;
+using LibHac.Fs.Shim;
+using LibHac.Ncm;
+using Ryujinx.Ava.Common;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.Ui.Controls;
+using Ryujinx.Ava.Ui.ViewModels;
+using Ryujinx.Ava.Ui.Windows;
+using Ryujinx.HLE.FileSystem;
+using Ryujinx.Ui.App.Common;
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Ava.Ui.Models
+{
+    public class SaveModel : BaseModel
+    {
+        private readonly HorizonClient _horizonClient;
+        private long _size;
+
+        public Action DeleteAction { get; set; }
+        public ulong SaveId { get; }
+        public ProgramId TitleId { get; }
+        public string TitleIdString => $"{TitleId.Value:X16}";
+        public UserId UserId { get; }
+        public bool InGameList { get; }
+        public string Title { get; }
+        public byte[] Icon { get; }
+
+        public long Size
+        {
+            get => _size; set
+            {
+                _size = value;
+                SizeAvailable = true;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(SizeString));
+                OnPropertyChanged(nameof(SizeAvailable));
+            }
+        }
+
+        public bool SizeAvailable { get; set; }
+
+        public string SizeString => $"{((float)_size * 0.000000954):0.###}MB";
+
+        public SaveModel(SaveDataInfo info, HorizonClient horizonClient, VirtualFileSystem virtualFileSystem)
+        {
+            _horizonClient = horizonClient;
+            SaveId = info.SaveDataId;
+            TitleId = info.ProgramId;
+            UserId = info.UserId;
+
+            var appData = MainWindow.MainWindowViewModel.Applications.FirstOrDefault(x => x.TitleId.ToUpper() == TitleIdString);
+
+            InGameList = appData != null;
+
+            if (InGameList)
+            {
+                Icon = appData.Icon;
+                Title = appData.TitleName;
+            }
+            else
+            {
+                var appMetadata = MainWindow.MainWindowViewModel.ApplicationLibrary.LoadAndSaveMetaData(TitleIdString);
+                Title = appMetadata.Title ?? TitleIdString;
+            }
+
+            Task.Run(() =>
+            {
+                var saveRoot = System.IO.Path.Combine(virtualFileSystem.GetNandPath(), $"user/save/{info.SaveDataId:x16}");
+
+                long total_size = GetDirectorySize(saveRoot);
+                long GetDirectorySize(string path)
+                {
+                    long size = 0;
+                    if (Directory.Exists(path))
+                    {
+                        var directories = Directory.GetDirectories(path);
+                        foreach (var directory in directories)
+                        {
+                            size += GetDirectorySize(directory);
+                        }
+
+                        var files = Directory.GetFiles(path);
+                        foreach (var file in files)
+                        {
+                            size += new FileInfo(file).Length;
+                        }
+                    }
+
+                    return size;
+                }
+
+                Size = total_size;
+            });
+
+        }
+
+        public void OpenLocation()
+        {
+            ApplicationHelper.OpenSaveDir(SaveId);
+        }
+
+        public async void Delete()
+        {
+            var result = await ContentDialogHelper.CreateConfirmationDialog(LocaleManager.Instance["DeleteUserSave"],
+                LocaleManager.Instance["IrreversibleActionNote"],
+                LocaleManager.Instance["InputDialogYes"],
+                LocaleManager.Instance["InputDialogNo"], "");
+
+            if (result == UserResult.Yes)
+            {
+                _horizonClient.Fs.DeleteSaveData(SaveDataSpaceId.User, SaveId);
+
+                DeleteAction?.Invoke();
+            }
+        }
+    }
+}