Added Login validation

Wallet.Avalonia/OpenWalletView.axaml

@@ -23,14 +23,17 @@
             PasswordChar="●"
             Text="{Binding Password}">
             <Interaction.Behaviors>
-                <KeyBindingTriggerBehaviour Gesture="Enter">
+                <KeyBindingTriggerBehaviour Gesture="Enter" IsEnabled="{Binding Password, Converter={x:Static StringConverters.IsNotNullOrEmpty}}">
                     <InvokeCommandAction Command="{Binding InvokeCommand}" />
                 </KeyBindingTriggerBehaviour>
             </Interaction.Behaviors>
         </TextBox>
+        <Grid>
+            <TextBlock HorizontalAlignment="Center" Text="{ReflectionBinding Validation.Errors[Password]}" />
             <ProgressRing
                 HorizontalAlignment="Center"
                 VerticalAlignment="Center"
                 IsActive="{Binding IsActive}" />
+        </Grid>
     </StackPanel>
 </UserControl>

Wallet/CreateWalletViewModel.cs

@@ -61,7 +61,7 @@ public partial class CreateWalletViewModel :
     {
         if (args.PropertyName is string name)
         {
-            Validation.Validate(name);
+            _ = Validation.Validate(name);
         }
 
         base.OnPropertyChanged(args);

Wallet/OpenWalletViewModel.cs

@@ -1,21 +1,21 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using System.Diagnostics.CodeAnalysis;
 using Toolkit.Foundation;
 
 namespace Wallet;
 
 public partial class OpenWalletViewModel : Observable
 {
-    private readonly IValidation validation;
+    [ObservableProperty]
+    private IValidation validation;
 
     [ObservableProperty]
     private string? name;
 
+    [MaybeNull]
     [ObservableProperty]
-    private string? password;
-
-    [ObservableProperty]
-    private string? repeatedPassword;
+    private string password;
 
     public OpenWalletViewModel(IValidation validation,
         IServiceProvider provider, 
@@ -35,13 +35,11 @@ public partial class OpenWalletViewModel : Observable
     {
         using (await new ActivityLock(this))
         {
-            if (Password is { Length: > 0 })
-            {
-                if (await Mediator.Handle<ActivateEventArgs<Wallet<string>>, bool>(Activate.As(new Wallet<string>(Password))))
+            if (await validation.Validate(() => Password, [new ValidationRule(async () => 
+                await Mediator.Handle<ActivateEventArgs<Wallet<string>>, bool>(Activate.As(new Wallet<string>(Password))), "The password is incorrect, please try again.")]))
             {
                 Publisher.Publish(Opened.As<Wallet>());
             }
         }
     }
 }
-}