- add: Favorites - start

Nebula.Launcher/ViewModels/Pages/ServerListViewModel.Favorite.cs

@@ -0,0 +1,79 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading;
+using CommunityToolkit.Mvvm.ComponentModel;
+using Nebula.Shared;
+using Nebula.Shared.Models;
+using Nebula.Shared.Services;
+using Nebula.Shared.Utils;
+
+namespace Nebula.Launcher.ViewModels.Pages;
+
+public partial class ServerListViewModel
+{
+    [GenerateProperty] private ConfigurationService ConfigurationService { get; }
+    [GenerateProperty] private RestService RestService { get; }
+
+    [ObservableProperty] private bool _favoriteVisible = false;
+    
+    public List<(RobustUrl,ServerStatus)> FavoriteServers = new();
+    public ObservableCollection<ServerEntryModelView> SortedFavoriteServers { get; } = new();
+
+    private void SortFavorite()
+    {
+        SortedFavoriteServers.Clear();
+        FavoriteServers.Sort(new ServerComparer());
+        foreach (var server in FavoriteServers.Where(a => CheckServerThink(a.Item2))) 
+            SortedFavoriteServers.Add(GetServerEntryModelView(server));
+    }
+
+    private ServerEntryModelView GetServerEntryModelView((RobustUrl, ServerStatus) server)
+    {
+        var model = ViewHelperService.GetViewModel<ServerEntryModelView>().WithData(server.Item1, server.Item2);
+        model.OnFavoriteToggle += ()=> RemoveFavorite(model);
+        return model;
+    }
+
+    private async void FetchFavorite()
+    {
+        FavoriteServers.Clear();
+        
+        var servers = ConfigurationService.GetConfigValue(CurrentConVar.Favorites);
+        if (servers is null || servers.Length == 0)
+        {
+            FavoriteVisible = false;
+            return;
+        }
+
+        FavoriteVisible = true;
+        
+        foreach (var server in servers)
+        {
+            var uri = server.ToRobustUrl();
+            var serverInfo = await RestService.GetAsync<ServerStatus>(uri.StatusUri, CancellationToken.None);
+            if (serverInfo.Value is null)
+            {
+                continue;
+            }
+            
+            FavoriteServers.Add((uri, serverInfo.Value));
+        }
+        
+        SortFavorite();
+    }
+
+    public void AddFavorite(ServerEntryModelView entryModelView)
+    {
+        var servers = (ConfigurationService.GetConfigValue(CurrentConVar.Favorites) ?? []).ToList();
+        servers.Add(entryModelView.Address.ToString());
+        ConfigurationService.SetConfigValue(CurrentConVar.Favorites, servers.ToArray());
+    }
+
+    public void RemoveFavorite(ServerEntryModelView entryModelView)
+    {
+        var servers = (ConfigurationService.GetConfigValue(CurrentConVar.Favorites) ?? []).ToList();
+        servers.Remove(entryModelView.Address.ToString());
+        ConfigurationService.SetConfigValue(CurrentConVar.Favorites, servers.ToArray());
+    }
+}