Change discover handler to async

#117 non-breaking

Author: rickjansen-dev

src/SharpBrick.PoweredUp.Cli/Program.cs

@@ -146,6 +146,9 @@ private static (ulong bluetoothAddress, SystemType systemType) FindAndSelectHub(
 
                     idx++;
                 }
+
+                return Task.CompletedTask;
+
             }, cts.Token);
 
             var input = Console.ReadLine();

src/SharpBrick.PoweredUp.WinRT/WinRTPoweredUpBluetoothAdapter.cs

@@ -10,7 +10,7 @@ namespace SharpBrick.PoweredUp.WinRT
 {
     public class WinRTPoweredUpBluetoothAdapter : IPoweredUpBluetoothAdapter
     {
-        public void Discover(Action<PoweredUpBluetoothDeviceInfo> discoveryHandler, CancellationToken cancellationToken = default)
+        public void Discover(Func<PoweredUpBluetoothDeviceInfo, Task> discoveryHandler, CancellationToken cancellationToken = default)
         {
             BluetoothLEAdvertisementWatcher watcher = new BluetoothLEAdvertisementWatcher();
             watcher.ScanningMode = BluetoothLEScanningMode.Active;
@@ -26,7 +26,7 @@ public void Discover(Action<PoweredUpBluetoothDeviceInfo> discoveryHandler, Canc
 
             watcher.Start();
 
-            void ReceivedHandler(BluetoothLEAdvertisementWatcher watcher, BluetoothLEAdvertisementReceivedEventArgs eventArgs)
+            async void ReceivedHandler(BluetoothLEAdvertisementWatcher watcher, BluetoothLEAdvertisementReceivedEventArgs eventArgs)
             {
                 var info = new PoweredUpBluetoothDeviceInfo();
 
@@ -47,7 +47,7 @@ void ReceivedHandler(BluetoothLEAdvertisementWatcher watcher, BluetoothLEAdverti
 
                 info.BluetoothAddress = eventArgs.BluetoothAddress;
 
-                discoveryHandler(info);
+                await discoveryHandler(info);
             }
         }
 

src/SharpBrick.PoweredUp/Bluetooth/IPoweredUpBluetoothAdapter.cs

@@ -6,7 +6,7 @@ namespace SharpBrick.PoweredUp.Bluetooth
 {
     public interface IPoweredUpBluetoothAdapter
     {
-        void Discover(Action<PoweredUpBluetoothDeviceInfo> discoveryHandler, CancellationToken cancellationToken = default);
+        void Discover(Func<PoweredUpBluetoothDeviceInfo, Task> discoveryHandler, CancellationToken cancellationToken = default);
 
         Task<IPoweredUpBluetoothDevice> GetDeviceAsync(ulong bluetoothAddress);
     }

src/SharpBrick.PoweredUp/PoweredUpHost.cs

@@ -43,7 +43,7 @@ public THub FindByName<THub>(string name) where THub : Hub, IDisposable
 
         public void Discover(Func<Hub, Task> onDiscovery, CancellationToken token = default)
         {
-            _bluetoothAdapter.Discover(deviceInfo =>
+            _bluetoothAdapter.Discover(async deviceInfo =>
             {
                 try
                 {
@@ -55,7 +55,7 @@ public void Discover(Func<Hub, Task> onDiscovery, CancellationToken token = defa
 
                         _logger.LogInformation($"Discovered log of type {hub.GetType().Name} with name '{deviceInfo.Name}' on Bluetooth Address '{deviceInfo.BluetoothAddress}'");
 
-                        onDiscovery(hub).Wait();
+                        await onDiscovery(hub);
                     }
                 }
                 catch (Exception e)

test/SharpBrick.PoweredUp.Test/Bluetooth/PoweredUpBluetoothAdapterMock.cs

@@ -23,7 +23,7 @@ public PoweredUpBluetoothAdapterMock()
         public PoweredUpBluetoothServiceMock MockService { get; }
         public PoweredUpBluetoothCharacteristicMock MockCharacteristic { get; }
 
-        public void Discover(Action<PoweredUpBluetoothDeviceInfo> discoveryHandler, CancellationToken cancellationToken = default)
+        public void Discover(Func<PoweredUpBluetoothDeviceInfo, Task> discoveryHandler, CancellationToken cancellationToken = default)
         {
             throw new NotImplementedException();
         }