Added Validation logics

Wallet/CreateWalletViewModel.cs

@@ -1,17 +1,11 @@
 using CommunityToolkit.Mvvm.ComponentModel;
+using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
-using System.Reactive.Disposables;
 using Toolkit.Foundation;
 
 namespace Wallet;
 
-public partial class CreateWalletViewModel(IServiceProvider provider,
-    IServiceFactory factory,
-    IPublisher publisher,
-    IMediator mediator,
-    ISubscriber subscriber,
-    IDisposer disposer) :
-    Observable(provider, factory, mediator, publisher, subscriber, disposer),
+public partial class CreateWalletViewModel : Observable,
     IPrimaryConfirmation
 {
     [MaybeNull]
@@ -22,6 +16,32 @@ public partial class CreateWalletViewModel(IServiceProvider provider,
     [ObservableProperty]
     private string password;
 
+    [MaybeNull]
+    [ObservableProperty]
+    private string? repeatedPassword;
+
+    [ObservableProperty]
+    private IValidation validation;
+
+    public CreateWalletViewModel(IValidation validation, 
+        IServiceProvider provider,
+        IServiceFactory factory,
+        IMediator mediator, 
+        IPublisher publisher,
+        ISubscriber subscriber, 
+        IDisposer disposer) : base(provider, factory, mediator, publisher, subscriber, disposer)
+    {
+        Validation = validation;
+
+        Validation.Add(() => Name, [new ValidationRule(() => Name is { Length: > 0 })],
+            ValidationTrigger.Immediate);
+
+        Validation.Add(() => Password, [new ValidationRule(() => Password is { Length: > 0 })], 
+            ValidationTrigger.Immediate);
+
+        Name = name;
+    }
+
     public async Task<bool> ConfirmPrimary()
     {
         using (await new ActivityLock(this))
@@ -30,4 +50,14 @@ public partial class CreateWalletViewModel(IServiceProvider provider,
                 bool>(Create.As(new Wallet<(string, string)>((Name, Password))));
         }
     }
+
+    protected override void OnPropertyChanged(PropertyChangedEventArgs args)
+    {
+        if (args.PropertyName is string name)
+        {
+            Validation.Validate(name);
+        }
+
+        base.OnPropertyChanged(args);
+    }
 }

Wallet/OpenWalletViewModel.cs

@@ -1,25 +1,37 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
-using System.ComponentModel.DataAnnotations;
 using Toolkit.Foundation;
 
 namespace Wallet;
 
-public partial class OpenWalletViewModel(IServiceProvider provider,
-    IServiceFactory factory,
-    IMediator mediator,
-    IPublisher publisher,
-    ISubscriber subscriber,
-    IDisposer disposer,
-    string name) :
-    Observable(provider, factory, mediator, publisher, subscriber, disposer)
+public partial class OpenWalletViewModel : Observable
 {
+    private readonly IValidation validation;
+
     [ObservableProperty]
-    private string? name = name;
+    private string? name;
 
     [ObservableProperty]
     private string? password;
 
+
+    [ObservableProperty]
+    private string? repeatedPassword;
+
+    public OpenWalletViewModel(IValidation validation,
+        IServiceProvider provider, 
+        IServiceFactory factory,
+        IMediator mediator, 
+        IPublisher publisher, 
+        ISubscriber subscriber,
+        IDisposer disposer,
+        string name) : base(provider, factory, mediator, publisher, subscriber, disposer)
+    {
+        this.validation = validation;
+
+        Name = name;
+    }
+
     [RelayCommand]
     private async Task Invoke()
     {