From e2a02f388709d7bbadf511bff63a38a91c9fa2aa Mon Sep 17 00:00:00 2001
From: Vladimir Seldemirov <ligowsky.dev@gmail.com>
Date: Mon, 22 Apr 2024 12:10:48 +0400
Subject: [PATCH] Move StateHasChanged to PageViewModel

---
 src/BitzArt.Blazor.MVVM/Components/PageBase.cs |  2 --
 .../ViewModels/PageViewModel.cs                | 18 +++++++++---------
 2 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/src/BitzArt.Blazor.MVVM/Components/PageBase.cs b/src/BitzArt.Blazor.MVVM/Components/PageBase.cs
index 475c1bc..a3b0777 100644
--- a/src/BitzArt.Blazor.MVVM/Components/PageBase.cs
+++ b/src/BitzArt.Blazor.MVVM/Components/PageBase.cs
@@ -21,8 +21,6 @@ public abstract class PageBase<TViewModel> : ComponentBase, IPersistentComponent
     [Inject]
     protected TViewModel ViewModel { get; set; } = null!;
 
-    PersistentComponentState IPersistentComponent.ComponentState => throw new NotImplementedException();
-
     /// <summary>
     /// Method invoked when the component is ready to start, having received its initial
     /// parameters from its parent in the render tree. Override this method if you will
diff --git a/src/BitzArt.Blazor.MVVM/ViewModels/PageViewModel.cs b/src/BitzArt.Blazor.MVVM/ViewModels/PageViewModel.cs
index 37a3b2d..f5956fb 100644
--- a/src/BitzArt.Blazor.MVVM/ViewModels/PageViewModel.cs
+++ b/src/BitzArt.Blazor.MVVM/ViewModels/PageViewModel.cs
@@ -17,7 +17,15 @@ public virtual Task InitializeAsync()
         return Task.CompletedTask;
     }
 
-    internal abstract Task PersistStateAsync();
+    internal virtual Task PersistStateAsync() => Task.CompletedTask;
+
+    /// <summary>
+    /// Notifies the component that the state has changed.
+    /// </summary>
+    protected void StateHasChanged()
+    {
+        Component.StateHasChanged();
+    }
 }
 
 /// <summary>
@@ -81,12 +89,4 @@ internal override Task PersistStateAsync()
 
         return Task.CompletedTask;
     }
-
-    /// <summary>
-    /// Notifies the component that the state has changed.
-    /// </summary>
-    protected void StateHasChanged()
-    {
-        Component.StateHasChanged();
-    }
 }