Fix: Allow user to save files with validation errors

src/DayzServerTools.Application/Models/IConfirmationDialog.cs

@@ -0,0 +1,28 @@
+namespace DayzServerTools.Application.Models;
+
+public enum ConfirmationDialogResult
+{
+    None = 0,
+    OK = 1,
+    Cancel = 2,
+    Yes = 6,
+    No = 7
+}
+
+public enum ConfirmationDialogButton
+{
+    OK = 0,
+    OKCancel = 1,
+    YesNoCancel = 3,
+    YesNo = 4
+}
+
+public interface IConfirmationDialog
+{
+    string Message { get; set; }
+    string Title { get; set; }
+    MessageDialogImage Image { get; set; }
+    ConfirmationDialogButton Button { get; set; }
+
+    ConfirmationDialogResult Show();
+}

src/DayzServerTools.Application/Models/IMessageDialog.cs

@@ -13,6 +13,6 @@ public interface IMessageDialog
     string Message { get; set; }
     string Title { get; set; }
     MessageDialogImage Image { get; set; }
-    
+
     bool? Show();
 }

src/DayzServerTools.Application/Services/IDialogFactory.cs

@@ -4,6 +4,7 @@ namespace DayzServerTools.Application.Services;
 
 public interface IDialogFactory
 {
+    IConfirmationDialog CreateConfirmationDialog();
     IMessageDialog CreateMessageDialog();
     IFileDialog CreateOpenFileDialog();
     IFileDialog CreateSaveFileDialog();

src/DayzServerTools.Application/ViewModels/Base/ProjectFileViewModel.cs

@@ -1,6 +1,6 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
-
+using DayzServerTools.Application.Models;
 using DayzServerTools.Application.Services;
 using DayzServerTools.Library.Common;
 using FluentValidation;
@@ -68,7 +68,25 @@ public void Close()
 
         protected abstract bool Validate();
 
-        protected virtual bool CanSave() => Validate();
+        protected virtual bool CanSave()
+        {
+            var isValid =  Validate();
+
+            if (!isValid)
+            {
+                var confirmationDialog = _dialogFactory.CreateConfirmationDialog();
+                confirmationDialog.Title = "Validation Errors";
+                confirmationDialog.Message = "The file contains validation errors! Do you want to save it?";
+                confirmationDialog.Button = ConfirmationDialogButton.YesNo;
+                confirmationDialog.Image = MessageDialogImage.Warning;
+
+                var res = confirmationDialog.Show();
+                return res == ConfirmationDialogResult.Yes;
+            }
+
+            return true;
+        }
+
         protected void SaveTo(string filePath)
         {
             if (!string.IsNullOrEmpty(filePath))

src/DayzServerTools.Windows/Models/WindowsConfirmationDialog.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Windows;
+
+using DayzServerTools.Application.Models;
+
+namespace DayzServerTools.Windows.Models;
+
+public class WindowsConfirmationDialog : IConfirmationDialog
+{
+    public string Message { get; set; }
+    public string Title { get; set; }
+    public MessageDialogImage Image { get; set; } = MessageDialogImage.None;
+    public ConfirmationDialogButton Button { get; set; } = ConfirmationDialogButton.YesNo;
+
+    public ConfirmationDialogResult Show()
+    {
+        var button = (MessageBoxButton)Enum.Parse(typeof(MessageBoxButton), Button.ToString());
+        var image = (MessageBoxImage)Enum.Parse(typeof(MessageBoxImage), Image.ToString());
+
+        var res = MessageBox.Show(Message, Title, button, image);
+        return (ConfirmationDialogResult)Enum.Parse(typeof(ConfirmationDialogResult), res.ToString());
+    }
+}

src/DayzServerTools.Windows/Services/WindowsDialogFactory.cs

@@ -11,6 +11,9 @@ internal class WindowsDialogFactory : IDialogFactory
     public IClassnameImportDialog CreateClassnameImportDialog()
         => new WindowsClassnameImportDialog();
 
+    public IConfirmationDialog CreateConfirmationDialog() 
+        => new WindowsConfirmationDialog();
+
     public IExportDialog CreateExportDialog()
         => new WindowsExportDialog();