Merge pull request #248 from ionite34/catch-install-errors

Catch & display install errors

StabilityMatrix.Avalonia/ViewModels/PackageManagerViewModel.cs

@@ -143,6 +143,9 @@ public partial class PackageManagerViewModel : PageViewModelBase
 
             EventManager.Instance.OnPackageInstallProgressAdded(runner);
             await runner.ExecuteSteps(steps.ToList());
+
+            if (!runner.Failed)
+            {
                 EventManager.Instance.OnInstalledPackagesChanged();
                 notificationService.Show(
                     "Package Install Complete",
@@ -151,6 +154,7 @@ public partial class PackageManagerViewModel : PageViewModelBase
                 );
             }
         }
+    }
 
     private IEnumerable<UnknownInstalledPackage> IndexUnknownPackages()
     {

StabilityMatrix.Avalonia/ViewModels/Progress/PackageInstallProgressItemViewModel.cs

@@ -42,6 +42,7 @@ public class PackageInstallProgressItemViewModel : ProgressItemViewModelBase
         Progress.IsIndeterminate = e.IsIndeterminate;
         Progress.Text = packageModificationRunner.CurrentStep?.ProgressTitle;
         Name = packageModificationRunner.CurrentStep?.ProgressTitle;
+        Failed = packageModificationRunner.Failed;
 
         if (string.IsNullOrWhiteSpace(e.Message) || e.Message.Contains("Downloading..."))
             return;
@@ -59,6 +60,12 @@ public class PackageInstallProgressItemViewModel : ProgressItemViewModelBase
         {
             Dispatcher.UIThread.Post(() => dialog?.Hide());
         }
+
+        if (Failed)
+        {
+            Progress.Text = "Package Modification Failed";
+            Name = "Package Modification Failed";
+        }
     }
 
     public async Task ShowProgressDialog()

StabilityMatrix.Core/Models/PackageModification/IPackageModificationRunner.cs

@@ -13,4 +13,5 @@ public interface IPackageModificationRunner
     Guid Id { get; }
     bool ShowDialogOnStart { get; init; }
     string? ModificationCompleteMessage { get; init; }
+    bool Failed { get; set; }
 }

StabilityMatrix.Core/Models/PackageModification/PackageModificationRunner.cs

@@ -21,9 +21,27 @@ public class PackageModificationRunner : IPackageModificationRunner
         foreach (var step in steps)
         {
             CurrentStep = step;
+            try
+            {
                 await step.ExecuteAsync(progress).ConfigureAwait(false);
             }
+            catch (Exception e)
+            {
+                progress.Report(
+                    new ProgressReport(
+                        1f,
+                        title: "Error modifying package",
+                        message: $"Error: {e}",
+                        isIndeterminate: false
+                    )
+                );
+                Failed = true;
+                break;
+            }
+        }
 
+        if (!Failed)
+        {
             progress.Report(
                 new ProgressReport(
                     1f,
@@ -31,6 +49,7 @@ public class PackageModificationRunner : IPackageModificationRunner
                     isIndeterminate: false
                 )
             );
+        }
 
         IsRunning = false;
     }
@@ -39,6 +58,7 @@ public class PackageModificationRunner : IPackageModificationRunner
     public bool ShowDialogOnStart { get; init; }
 
     public bool IsRunning { get; set; }
+    public bool Failed { get; set; }
     public ProgressReport CurrentProgress { get; set; }
     public IPackageStep? CurrentStep { get; set; }
     public List<string> ConsoleOutput { get; } = new();