feat: exception handler for async methods

Directory.Build.props

@@ -2,7 +2,7 @@
 
   <PropertyGroup Label="Versioning">
     <VersionMajor>3</VersionMajor>
-    <VersionMinor>1</VersionMinor>
+    <VersionMinor>2</VersionMinor>
     <VersionPatch>$([System.DateTime]::UtcNow.ToString("MMdd"))</VersionPatch>
     <VersionRevision>$([System.DateTime]::UtcNow.ToString("HHmm"))</VersionRevision>
     <VersionPrefix>$(VersionMajor).$(VersionMinor).$(VersionPatch).$(VersionRevision)</VersionPrefix>
@@ -70,7 +70,7 @@
   <ItemGroup Condition="!$(MSBuildProjectName.EndsWith('Tests'))">
     <InternalsVisibleTo Include="$(AssemblyName)Tests" Key="00240000048000009400000006020000002400005253413100040000010001001d279f3822ca86e5157254452c9b0bda97bfeef3ed7964a8626318a1e46449adb0b62b7ca2f37b461ab2f28d0203344b11da76c5244331ff0a8629a258901534d0fb7d1cdfc6c048031874fced4f4c6a6d87991d4105e072adde2a965ccd440bbf8c3f90d6de6f8cfce47bd8908d9fdcdc08c617dc04616fc1dfcd290b4f4eec" />
     <None Include="..\..\LICENSE" Pack="True" PackagePath="\" />
-    <None Include="..\..\icon.png" Pack="True" PackagePath="" />
+    <None Include="..\..\icon.png" Pack="True" PackagePath="\" />
     <None Include="..\..\README.md" Pack="True" PackagePath="\" />
   </ItemGroup>
 

src/BB84.Notifications/Commands/AsyncActionCommand.cs

@@ -1,4 +1,6 @@
-using BB84.Notifications.Interfaces.Commands;
+using BB84.Notifications.Extensions;
+using BB84.Notifications.Interfaces.Commands;
+using BB84.Notifications.Interfaces.Components;
 
 namespace BB84.Notifications.Commands;
 
@@ -7,17 +9,11 @@ namespace BB84.Notifications.Commands;
 /// </summary>
 /// <param name="execute">The task to execute.</param>
 /// <param name="canExecute">The condition to execute.</param>
-public sealed class AsyncActionCommand(Func<Task> execute, Func<bool>? canExecute) : IAsyncActionCommand
+/// <param name="handler">The exception handler to use.</param>
+public sealed class AsyncActionCommand(Func<Task> execute, Func<bool>? canExecute = null, IExceptionHandler? handler = null) : IAsyncActionCommand
 {
   private bool _isExecuting;
 
-  /// <summary>
-  /// Initializes a new instance of the <see cref="AsyncActionCommand"/> class that can always execute.
-  /// </summary>
-  /// <param name="execute">The task to execute.</param>
-  public AsyncActionCommand(Func<Task> execute) : this(execute, null)
-  { }
-
   /// <inheritdoc/>
   public event EventHandler? CanExecuteChanged;
 
@@ -50,7 +46,7 @@ public bool CanExecute(object? parameter)
 
   /// <inheritdoc/>
   public void Execute(object? parameter)
-    => ExecuteAsync().Wait();
+    => ExecuteAsync().ToSaveVoid(handler);
 
   /// <inheritdoc/>
   public void RaiseCanExecuteChanged()
@@ -66,17 +62,11 @@ public void RaiseCanExecuteChanged()
 /// <typeparam name="T">The generic type to work with.</typeparam>
 /// <param name="execute">The task to execute.</param>
 /// <param name="canExecute">The condition to execute.</param>
-public sealed class AsyncActionCommand<T>(Func<T, Task> execute, Func<T, bool>? canExecute) : IAsyncActionCommand<T>
+/// <param name="handler">The exception handler to use.</param>
+public sealed class AsyncActionCommand<T>(Func<T, Task> execute, Func<T, bool>? canExecute = null, IExceptionHandler? handler = null) : IAsyncActionCommand<T>
 {
   private bool _isExecuting;
 
-  /// <summary>
-  /// Initializes a new instance of <see cref="AsyncActionCommand{T}"/> class that can always execute.
-  /// </summary>
-  /// <param name="execute">The task to execute.</param>
-  public AsyncActionCommand(Func<T, Task> execute) : this(execute, null)
-  { }
-
   /// <inheritdoc/>
   public event EventHandler? CanExecuteChanged;
 
@@ -90,7 +80,7 @@ public bool CanExecute(object? parameter)
 
   /// <inheritdoc/>
   public void Execute(object? parameter)
-    => ExecuteAsync((T)parameter!).Wait();
+    => ExecuteAsync((T)parameter!).ToSaveVoid(handler);
 
   /// <inheritdoc/>
   public async Task ExecuteAsync(T parameter)

src/BB84.Notifications/Extensions/TaskExtensions.cs

@@ -0,0 +1,27 @@
+using BB84.Notifications.Interfaces.Components;
+
+namespace BB84.Notifications.Extensions;
+
+/// <summary>
+/// The task extensions class.
+/// </summary>
+public static class TaskExtensions
+{
+  /// <summary>
+  /// Awaits the provided <paramref name="task"/>, uses the exception <paramref name="handler"/>
+  /// if an <see cref="Exception"/> occured and returns <see cref="void"/>.
+  /// </summary>
+  /// <param name="task">The task to await.</param>
+  /// <param name="handler">Sends the exception to an exception handler.</param>
+  public static async void ToSaveVoid(this Task task, IExceptionHandler? handler = null)
+  {
+    try
+    {
+      await task;
+    }
+    catch (Exception ex)
+    {
+      handler?.Handle(ex);
+    }
+  }
+}

src/BB84.Notifications/Interfaces/Components/IExceptionHandler.cs

@@ -0,0 +1,13 @@
+namespace BB84.Notifications.Interfaces.Components;
+
+/// <summary>
+/// The exception handler interface.
+/// </summary>
+public interface IExceptionHandler
+{
+  /// <summary>
+  /// If an error occurs, it send the exception to an error handler.
+  /// </summary>
+  /// <param name="exception">The exception to handle.</param>
+  void Handle(Exception exception);
+}