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using Avalonia.Controls;
using DynamicData;
using DynamicData.Binding;
using LibHac;
using LibHac.Common;
using LibHac.Fs;
using LibHac.Fs.Shim;
using Ryujinx.Ava.Common;
using Ryujinx.Ava.Common.Locale;
using Ryujinx.Ava.UI.Models;
using Ryujinx.HLE.FileSystem;
using Ryujinx.Ui.App.Common;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
using UserProfile = Ryujinx.Ava.UI.Models.UserProfile;
namespace Ryujinx.Ava.UI.Controls
{
public partial class SaveManager : UserControl
{
private readonly UserProfile _userProfile;
private readonly HorizonClient _horizonClient;
private readonly VirtualFileSystem _virtualFileSystem;
private int _sortIndex;
private int _orderIndex;
private ObservableCollection<SaveModel> _view = new ObservableCollection<SaveModel>();
private string _search;
public ObservableCollection<SaveModel> Saves { get; set; } = new ObservableCollection<SaveModel>();
public ObservableCollection<SaveModel> View
{
get => _view;
set => _view = value;
}
public int SortIndex
{
get => _sortIndex;
set
{
_sortIndex = value;
Sort();
}
}
public int OrderIndex
{
get => _orderIndex;
set
{
_orderIndex = value;
Sort();
}
}
public string Search
{
get => _search;
set
{
_search = value;
Sort();
}
}
public SaveManager()
{
InitializeComponent();
}
public SaveManager(UserProfile userProfile, HorizonClient horizonClient, VirtualFileSystem virtualFileSystem)
{
_userProfile = userProfile;
_horizonClient = horizonClient;
_virtualFileSystem = virtualFileSystem;
InitializeComponent();
DataContext = this;
Task.Run(LoadSaves);
}
public void LoadSaves()
{
Saves.Clear();
var saveDataFilter = SaveDataFilter.Make(programId: default, saveType: SaveDataType.Account,
new UserId((ulong)_userProfile.UserId.High, (ulong)_userProfile.UserId.Low), saveDataId: default, index: default);
using var saveDataIterator = new UniqueRef<SaveDataIterator>();
_horizonClient.Fs.OpenSaveDataIterator(ref saveDataIterator.Ref(), SaveDataSpaceId.User, in saveDataFilter).ThrowIfFailure();
Span<SaveDataInfo> saveDataInfo = stackalloc SaveDataInfo[10];
while (true)
{
saveDataIterator.Get.ReadSaveDataInfo(out long readCount, saveDataInfo).ThrowIfFailure();
if (readCount == 0)
{
break;
}
for (int i = 0; i < readCount; i++)
{
var save = saveDataInfo[i];
if (save.ProgramId.Value != 0)
{
var saveModel = new SaveModel(save, _horizonClient, _virtualFileSystem);
Saves.Add(saveModel);
saveModel.DeleteAction = () => { Saves.Remove(saveModel); };
}
Sort();
}
}
}
private void Sort()
{
Saves.AsObservableChangeSet()
.Filter(Filter)
.Sort(GetComparer())
.Bind(out var view).AsObservableList();
_view.Clear();
_view.AddRange(view);
}
private IComparer<SaveModel> GetComparer()
{
switch (SortIndex)
{
case 0:
return OrderIndex == 0
? SortExpressionComparer<SaveModel>.Ascending(save => save.Title)
: SortExpressionComparer<SaveModel>.Descending(save => save.Title);
case 1:
return OrderIndex == 0
? SortExpressionComparer<SaveModel>.Ascending(save => save.Size)
: SortExpressionComparer<SaveModel>.Descending(save => save.Size);
default:
return null;
}
}
private bool Filter(object arg)
{
if (arg is SaveModel save)
{
return string.IsNullOrWhiteSpace(_search) || save.Title.ToLower().Contains(_search.ToLower());
}
return false;
}
}
}
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