1 files changed, 117 insertions, 0 deletions
diff --git a/src/Ryujinx/UI/ViewModels/UserSaveManagerViewModel.cs b/src/Ryujinx/UI/ViewModels/UserSaveManagerViewModel.cs
new file mode 100644
index 00000000..85adef00
--- /dev/null
+++ b/src/Ryujinx/UI/ViewModels/UserSaveManagerViewModel.cs
@@ -0,0 +1,117 @@
+using DynamicData;
+using DynamicData.Binding;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Models;
+using Ryujinx.HLE.HOS.Services.Account.Acc;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+
+namespace Ryujinx.Ava.UI.ViewModels
+{
+    public class UserSaveManagerViewModel : BaseModel
+    {
+        private int _sortIndex;
+        private int _orderIndex;
+        private string _search;
+        private ObservableCollection<SaveModel> _saves = new();
+        private ObservableCollection<SaveModel> _views = new();
+        private readonly AccountManager _accountManager;
+
+        public string SaveManagerHeading => LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.SaveManagerHeading, _accountManager.LastOpenedUser.Name, _accountManager.LastOpenedUser.UserId);
+
+        public int SortIndex
+        {
+            get => _sortIndex;
+            set
+            {
+                _sortIndex = value;
+                OnPropertyChanged();
+                Sort();
+            }
+        }
+
+        public int OrderIndex
+        {
+            get => _orderIndex;
+            set
+            {
+                _orderIndex = value;
+                OnPropertyChanged();
+                Sort();
+            }
+        }
+
+        public string Search
+        {
+            get => _search;
+            set
+            {
+                _search = value;
+                OnPropertyChanged();
+                Sort();
+            }
+        }
+
+        public ObservableCollection<SaveModel> Saves
+        {
+            get => _saves;
+            set
+            {
+                _saves = value;
+                OnPropertyChanged();
+                Sort();
+            }
+        }
+
+        public ObservableCollection<SaveModel> Views
+        {
+            get => _views;
+            set
+            {
+                _views = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public UserSaveManagerViewModel(AccountManager accountManager)
+        {
+            _accountManager = accountManager;
+        }
+
+        public void Sort()
+        {
+            Saves.AsObservableChangeSet()
+                .Filter(Filter)
+                .Sort(GetComparer())
+                .Bind(out var view).AsObservableList();
+
+            _views.Clear();
+            _views.AddRange(view);
+            OnPropertyChanged(nameof(Views));
+        }
+
+        private bool Filter(object arg)
+        {
+            if (arg is SaveModel save)
+            {
+                return string.IsNullOrWhiteSpace(_search) || save.Title.ToLower().Contains(_search.ToLower());
+            }
+
+            return false;
+        }
+
+        private IComparer<SaveModel> GetComparer()
+        {
+            return SortIndex switch
+            {
+                0 => OrderIndex == 0
+                    ? SortExpressionComparer<SaveModel>.Ascending(save => save.Title)
+                    : SortExpressionComparer<SaveModel>.Descending(save => save.Title),
+                1 => OrderIndex == 0
+                    ? SortExpressionComparer<SaveModel>.Ascending(save => save.Size)
+                    : SortExpressionComparer<SaveModel>.Descending(save => save.Size),
+                _ => null,
+            };
+        }
+    }
+}