Catalog/imagecatalog/ViewModels/PathSettingsViewModel.cs

using System;
using System.IO;

namespace ImageCatalog_2.ViewModels;

public class PathSettingsViewModel : ViewModelBase
{
    private string _sourcePath = string.Empty;
    public string SourcePath
    {
        get => _sourcePath;
        set
        {
            _sourcePath = value;
            NotifyPropertyChanged();
        }
    }

    private string _destinationPath = string.Empty;
    public string DestinationPath
    {
        get => _destinationPath;
        set
        {
            _destinationPath = value;
            NotifyPropertyChanged();
        }
    }

    public void NormalizePaths()
    {
        SourcePath = NormalizePath(SourcePath);
        DestinationPath = NormalizePath(DestinationPath);
    }

    public static string NormalizePath(string path)
    {
        if (string.IsNullOrWhiteSpace(path))
        {
            return string.Empty;
        }

        path = path.Trim().Trim('"');
        path = path.Replace('/', Path.DirectorySeparatorChar)
            .Replace('\\', Path.DirectorySeparatorChar);

        return path.TrimEnd(Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar;
    }
}