public void HandleManualInstallPlugin()

in src/dotnet/RiderPlugin.UnrealLink/PluginInstaller/UnrealPluginInstaller.cs [526:578]
51 lines of code
6 McCabe index (conditional complexity)

        public void HandleManualInstallPlugin(InstallPluginDescription installPluginDescription)
        {
            var unrealPluginInstallInfo = myPluginDetector.InstallInfoProperty.Value;
            if (unrealPluginInstallInfo == null) return;

            Lifetime.UsingNestedAsync(async lt =>
            {
                var lifetimeDefinition = lt.CreateNested();
                var lifetime = lifetimeDefinition.Lifetime;

                lifetime.Bracket(
                    () => myUnrealHost.myModel.RiderLinkInstallationInProgress.Value = true,
                    () => myUnrealHost.myModel.RiderLinkInstallationInProgress.Value = false
                );
                var prefix = unrealPluginInstallInfo.EnginePlugin.IsPluginAvailable ? "Updating" : "Installing";
                var header = $"{prefix} RiderLink plugin";
                var progress = new Property<double>("UnrealLink.InstallPluginProgress", 0.0);
                var task = BackgroundProgressBuilder.Create()
                    .AsCancelable(() =>
                    {
                        myUnrealHost.myModel.RiderLinkInstallMessage(
                            new InstallMessage(Strings.RiderLinkInstallationHasBeenCancelled_Text, ContentType.Error));
                        lifetimeDefinition.Terminate();
                    })
                    .WithHeader(header)
                    .WithProgress(progress)
                    .WithDescriptionFromProgress();
                myBackgroundProgressManager.AddNewTask(lifetime, task);
                myUnrealHost.myModel.CancelRiderLinkInstall.AdviseOnce(lifetime, _ =>
                {
                    myUnrealHost.myModel.RiderLinkInstallMessage(
                        new InstallMessage(Strings.RiderLinkInstallationHasBeenCancelled_Text, ContentType.Error));
                    lifetimeDefinition.Terminate();
                });
                myUnrealHost.myModel.RiderLinkInstallPanelInit();
                await lifetime.StartBackground(() =>
                {
                    switch (installPluginDescription.Location)
                    {
                        case PluginInstallLocation.Engine:
                            InstallPluginInEngine(lifetime, unrealPluginInstallInfo, progress, installPluginDescription.BuildRequired);
                            break;
                        case PluginInstallLocation.Game:
                            InstallPluginInGame(lifetime, unrealPluginInstallInfo, progress, installPluginDescription.BuildRequired);
                            break;
                        case PluginInstallLocation.NotInstalled:
                        default:
                            myLogger.Error("UnrealLink: Invalid location set for installing RiderLink plugin");
                            break;
                    }
                });
            });
        }