New dev build

ViewModels/InstallPackageDialogViewModel.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using System.Threading.Tasks;
+using System.Web;
+using Avalonia.Markup.Xaml.Templates;
+using Avalonia.Media;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using CommunityToolkit.Mvvm.Messaging;
+using CrossLangDevStudio.Messages;
+using CrossLangDevStudio.Views;
+using Newtonsoft.Json;
+
+namespace CrossLangDevStudio.ViewModels;
+
+public partial class InstallPackageDialogViewModel : ViewModelBase
+{
+    public InstallPackageMessage Message { get; }
+    [ObservableProperty]
+    private int _versionIndex = 0;
+    public ObservableCollection<VersionObject> Versions { get; } = new ObservableCollection<VersionObject>();
+
+    public InstallPackageDialogViewModel(InstallPackageMessage msg)
+    {
+        Message = msg;
+
+        Task.Run(async () =>
+        {
+            var res = await Message.Client.GetStringAsync($"{msg.Server.TrimEnd('/')}/api/v1/versions?name={HttpUtility.UrlEncode(msg.Name)}");
+            if (!string.IsNullOrWhiteSpace(res))
+            {
+                var res2 = JsonConvert.DeserializeObject<VersionsMessage>(res);
+                if (res2 is not null && res2.Success)
+                {
+                    foreach (var res3 in res2.Versions)
+                    {
+                        Versions.Add(res3.ToObject());
+                    }
+                    VersionIndex = 0;
+                }
+            }
+        });
+    }
+    [RelayCommand]
+    private void Install()
+    {
+        if(VersionIndex < Versions.Count)
+        WeakReferenceMessenger.Default.Send(new InstallPackageResponseMessage(Versions[VersionIndex].Version));
+    }
+    [RelayCommand]
+    private void Cancel()
+    {
+        WeakReferenceMessenger.Default.Send(new InstallPackageResponseMessage(null));
+    }
+    public partial class VersionObject(CrossLangVersion version, DateTime date) : ObservableObject
+    {
+        public CrossLangVersion Version => version;
+        [ObservableProperty]
+        private string _text = $"{version} at {date.ToShortDateString()}";
+    }
+
+    public class VersionsMessage
+    {
+        [JsonProperty("success")]
+        public bool Success { get; set; }
+        [JsonProperty("versions")]
+        public List<VersionMessage> Versions { get; set; } = new();
+
+        public class VersionMessage
+        {
+            [JsonProperty("version")]
+            public CrossLangVersion Version { get; set; }
+
+            [JsonProperty("uploadTime")]
+            public long UploadTime { get; set; } = 0;
+
+            public VersionObject ToObject()
+            {
+
+                return new VersionObject(Version, DateTimeOffset.FromUnixTimeSeconds(UploadTime).LocalDateTime);
+            }
+
+
+        }
+    }
+}