Add busy dialog

Hcs.WebApp/Components/Layout/MainLayout.razor

@@ -5,6 +5,7 @@
 @inject NavigationManager NavigationManager
 @inject NotificationService NotificationService
 
+<RadzenDialog />
 <RadzenLayout>
     <RadzenHeader>
         <RadzenStack Orientation="Orientation.Horizontal" AlignItems="AlignItems.Center" Gap="0">

Hcs.WebApp/Components/Pages/Account/Manage.razor

@@ -58,6 +58,7 @@
         </RadzenTabsItem>
     </Tabs>
 </RadzenTabs>
+<BusyDialog @ref=@busyDialog />
 
 @code {
     sealed class PasswordInputModel
@@ -72,6 +73,7 @@
     bool hasError;
     string? errorMessage;
     bool hasSuccess;
+    BusyDialog busyDialog;
 
     [SupplyParameterFromForm]
     PasswordInputModel PasswordInput { get; set; } = new();
@@ -83,6 +85,8 @@
 
         try
         {
+            busyDialog.Show();
+
             await IdentityService.ChangePassword(PasswordInput.OldPassword, PasswordInput.NewPassword);
 
             hasSuccess = true;
@@ -92,5 +96,9 @@
             hasError = true;
             errorMessage = e.Message;
         }
+        finally
+        {
+            busyDialog.Hide();
+        }
     }
 }

Hcs.WebApp/Components/Shared/BusyDialog.razor

@@ -0,0 +1,26 @@
+@inject DialogService DialogService
+
+@code {
+    public void Show()
+    {
+        DialogService.Open(
+            "",
+            x =>
+            @<RadzenStack AlignItems="AlignItems.Center" Gap="2rem" class="rz-p-6">
+                <RadzenProgressBarCircular Value="100" ShowValue="false" Mode="ProgressBarMode.Indeterminate" />
+                <RadzenText TextStyle="TextStyle.H5">Пожалуйста, подождите...</RadzenText>
+            </RadzenStack>,
+            new DialogOptions()
+            {
+                ShowTitle = false,
+                Style = "min-height:auto;min-width:auto;width:auto",
+                CloseDialogOnEsc = false,
+                CssClass = ""
+            });
+    }
+
+    public void Hide()
+    {
+        DialogService.Close();
+    }
+}