Propagate exception when selecting / deselecting routes

So that when toggling a route switch, it won't be
in an inconsistent state in case of error from engine

app/src/main/java/io/netbird/client/repository/VPNServiceRepository.java

@@ -159,13 +159,13 @@ public class VPNServiceRepository {
         }
     }
 
-    public void selectRoute(String route) {
+    public void selectRoute(String route) throws Exception {
         if (binder != null) {
             binder.selectRoute(route);
         }
     }
 
-    public void deselectRoute(String route) {
+    public void deselectRoute(String route) throws Exception {
         if (binder != null) {
             binder.deselectRoute(route);
         }

app/src/main/java/io/netbird/client/ui/home/NetworksAdapter.java

@@ -16,7 +16,7 @@ import io.netbird.client.databinding.ListItemResourceBinding;
 
 public class NetworksAdapter extends RecyclerView.Adapter<NetworksAdapter.ResourceViewHolder> {
     public interface RouteSwitchToggleHandler {
-        void handleSwitchToggle(String route, boolean isChecked);
+        void handleSwitchToggle(String route, boolean isChecked) throws Exception;
     }
 
     private final List<Resource> resourcesList;
@@ -145,8 +145,19 @@ public class NetworksAdapter extends RecyclerView.Adapter<NetworksAdapter.Resour
             binding.peer.setText(resource.getPeer());
 
             binding.switchControl.setChecked(resource.isSelected());
+            binding.switchControl.setTag(false);
             binding.switchControl.setOnCheckedChangeListener((buttonView, isChecked) -> {
-                this.switchToggleHandler.handleSwitchToggle(resource.getName(), isChecked);
+                try {
+                    boolean tag = (boolean)binding.switchControl.getTag();
+                    if (!tag) {
+                        this.switchToggleHandler.handleSwitchToggle(resource.getName(), isChecked);
+                    }
+                } catch (Exception ignored) {
+                    // This is done so that reversing the toggle action won't retrigger the toggle handler.
+                    binding.switchControl.setTag(true);
+                    binding.switchControl.setChecked(!isChecked);
+                    binding.switchControl.setTag(false);
+                }
             });
 
             binding.verticalLine.setBackgroundResource(getConnectionStatusIndicatorDrawable(resource, peers));

app/src/main/java/io/netbird/client/ui/home/NetworksFragment.java

@@ -107,7 +107,7 @@ public class NetworksFragment extends Fragment {
       );
    }
 
-   private void routeSwitchToggleHandler(String route, boolean isChecked) {
+   private void routeSwitchToggleHandler(String route, boolean isChecked) throws Exception {
       if (isChecked) {
          model.selectRoute(route);
       } else {

app/src/main/java/io/netbird/client/ui/home/NetworksFragmentViewModel.java

@@ -67,11 +67,11 @@ public class NetworksFragmentViewModel extends ViewModel implements VPNServiceBi
         uiState.postValue(new NetworksFragmentUiState(resources, peers));
     }
 
-    public void selectRoute(String route) {
+    public void selectRoute(String route) throws Exception {
         this.repository.selectRoute(route);
     }
 
-    public void deselectRoute(String route) {
+    public void deselectRoute(String route) throws Exception {
         this.repository.deselectRoute(route);
     }
 }

tool/src/main/java/io/netbird/client/tool/EngineRunner.java

@@ -168,23 +168,25 @@ class EngineRunner {
         }
     }
 
-    public void selectRoute(String route) {
+    public void selectRoute(String route) throws Exception {
         Log.d(LOGTAG, String.format("selecting route: %s", route));
         try {
             goClient.selectRoute(route);
         } catch (Exception e) {
             Log.e(LOGTAG, "goClient error", e);
             notifyError(e);
+            throw e;
         }
     }
 
-    public void deselectRoute(String route) {
+    public void deselectRoute(String route) throws Exception {
         Log.d(LOGTAG, String.format("deselecting route: %s", route));
         try {
             goClient.deselectRoute(route);
         } catch (Exception e) {
             Log.e(LOGTAG, "goClient error", e);
             notifyError(e);
+            throw e;
         }
     }
 }

tool/src/main/java/io/netbird/client/tool/VPNService.java

@@ -180,11 +180,11 @@ public class VPNService extends android.net.VpnService {
             }
         }
 
-        public void selectRoute(String route) {
+        public void selectRoute(String route) throws Exception {
             engineRunner.selectRoute(route);
         }
 
-        public void deselectRoute(String route) {
+        public void deselectRoute(String route) throws Exception {
             engineRunner.deselectRoute(route);
         }
     }