some bugfixing & more

ModpackUpdater.Manager/ModpackInstaller.cs

@@ -81,7 +81,10 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
             var infos = await DownloadInstallInfos();
 
             if (infos is not null && infos.Actions.Count != 0)
+            {
                 result.Actions.AddRange(infos.Actions);
+                result.LatestVersion = infos.Version;
+            }
             else
                 result.HasError = true;
         }
@@ -176,32 +179,45 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
     {
         Directory.CreateDirectory(Path.GetDirectoryName(destFilePath));
 
-        // Download
-        var fsDestinationPath = isZip ? Path.Combine(Path.GetTempPath(), $"mc_update_file_{DateTime.Now.ToBinary()}.zip") : destFilePath;
-        var sRemote = await httpClient.GetStreamAsync(sourceUrl);
-        var fs = new FileStream(destFilePath, FileMode.Create, FileAccess.ReadWrite);
-        await sRemote.CopyToAsync(fs);
-        sRemote.Close();
-        fs.Close();
-
-        // Handle zip file
-        if (isZip)
+        if (!isZip || localZipCache.FirstOrDefault(n => n.DownloadUrl == sourceUrl) is not LocalZipCacheEntry cachedZipInfo)
         {
+            // Download
+            var fsDestinationPath = isZip ? Path.Combine(Path.GetTempPath(), $"mc_update_file_{DateTime.Now.ToBinary()}.zip") : destFilePath;
+            var sRemote = await httpClient.GetStreamAsync(sourceUrl);
+            var fs = new FileStream(fsDestinationPath, FileMode.Create, FileAccess.ReadWrite);
+            await sRemote.CopyToAsync(fs);
+            await fs.FlushAsync();
+            sRemote.Close();
+            fs.Close();
+
             // Extract
-            var zipDir = $"{Path.GetFileNameWithoutExtension(fsDestinationPath)}_extracted";
-            ZipFile.ExtractToDirectory(fsDestinationPath, zipDir);
-
-            // Copy content
-            var zipSrc = Path.Combine(zipDir, zipPath);
-            Extensions.CopyDirectory(zipSrc, destFilePath, true);
-
-            // Delete/cache temporary files
-            File.Delete(fsDestinationPath);
-            localZipCache?.Add(new LocalZipCacheEntry
+            if (isZip)
             {
-                DownloadUrl = sourceUrl,
-                ExtractedZipPath = zipDir
-            });
+                // Extract files
+                var zipDir = Path.Combine(Path.GetDirectoryName(fsDestinationPath), Path.GetFileNameWithoutExtension(fsDestinationPath));
+                ZipFile.ExtractToDirectory(fsDestinationPath, zipDir);
+
+                // Create cache entry
+                cachedZipInfo = new()
+                {
+                    DownloadUrl = sourceUrl,
+                    ExtractedZipPath = zipDir
+                };
+                localZipCache.Add(cachedZipInfo);
+
+                // Remofe temp zip file
+                File.Delete(fsDestinationPath);
+            }
+            else
+                cachedZipInfo = null;
+        }
+
+        // Handle zip file content
+        if (cachedZipInfo != null)
+        {
+            // Copy content
+            var zipSrc = Path.Combine(cachedZipInfo.ExtractedZipPath, zipPath);
+            Extensions.CopyDirectory(zipSrc, destFilePath, true);
         }
     }
 }

ModpackUpdater.Model/InstallInfos.cs

@@ -1,10 +1,13 @@
 using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
 
 namespace ModpackUpdater.Model;
 
 public class InstallInfos
 {
-    public List<InstallAction> Actions { get; private set; } = [];
+    [JsonConverter(typeof(VersionConverter))]
+    public Version Version { get; set; }
+    public List<InstallAction> Actions { get; } = [];
 
     public static InstallInfos Parse(string content)
     {

ModpackUpdater/Form1.cs

@@ -1,6 +1,7 @@
 using ModpackUpdater.Manager;
 using ModpackUpdater.Model;
 using ModpackUpdater.My.Resources;
+using System.Diagnostics;
 using Telerik.WinControls;
 using Telerik.WinControls.UI;
 
@@ -142,9 +143,11 @@ public partial class Form1
                     else
                         SetStatus(LangRes.StatusText_ErrorWhileUpdateCheckOrUpdate, MySymbols.icons8_delete_16px);
                 }
-                catch
+                catch(Exception)
                 {
                     SetStatus(LangRes.StatusText_ErrorWhileUpdateCheckOrUpdate, MySymbols.icons8_delete_16px);
+                    if (Debugger.IsAttached)
+                        throw;
                 }
                 finally
                 {

ModpackUpdater/Program.cs

@@ -17,6 +17,7 @@ public static class Program
         MigrateLegacySettings(GetSettingsPath(null));
     }
 
+    [STAThread]
     internal static void Main(string[] args)
     {
         var options = new Options(args);