refactor(app): extract dialog component logic to code-behind

src/Duempelkas.App/Components/Dialogs/ConfirmDialog.razor.cs

@@ -0,0 +1,42 @@
+using Microsoft.AspNetCore.Components;
+
+namespace Duempelkas.App.Components.Dialogs;
+
+public partial class ConfirmDialog
+{
+    #region Parameters
+
+    [Parameter]
+    public string Title { get; set; } = "Bestätigung";
+
+    [Parameter]
+    public string Message { get; set; } = "Sind Sie sicher?";
+
+    [Parameter]
+    public string ConfirmText { get; set; } = "Ja, bestätigen";
+
+    [Parameter]
+    public string CancelText { get; set; } = "Nein, abbrechen";
+
+    [Parameter]
+    public string ConfirmButtonClass { get; set; } = "btn btn-danger";
+
+    [Parameter]
+    public string ConfirmIconClass { get; set; } = "bi bi-trash";
+
+    [Parameter]
+    public EventCallback OnConfirm { get; set; }
+
+    [Parameter]
+    public EventCallback OnCancel { get; set; }
+
+    #endregion
+
+    #region Actions
+
+    private async Task Confirm() => await OnConfirm.InvokeAsync();
+
+    private async Task Cancel() => await OnCancel.InvokeAsync();
+
+    #endregion
+}