TMusic/ViewModel/MusicMenuViewModel.cs

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using CommunityToolkit.Mvvm.ComponentModel;
using TMusic.Model;

namespace TMusic.ViewModel
{
    public class MusicMenuViewModel : ObservableObject
    {
        private string _menuId;
        private string _name;
        private string _iconKind;
        private int _no;
        private int _musicCount;

        public string MenuId { get => _menuId; set => SetProperty(ref _menuId, value); }

        public string Name { get => _name; set => SetProperty(ref _name, value); }

        public string IconKind { get => _iconKind; set => SetProperty(ref _iconKind, value); }

        public int No { get => _no; set => SetProperty(ref _no, value); }

        public int MusicCount { get => _musicCount; set => SetProperty(ref _musicCount, value); }

        public void FromModel(MusicMenuModel model)
        {
            MenuId = model.MenuId;
            Name = model.Name;
            IconKind = model.IconKind;
            No = model.No;

            if (model.MusicList != null)
            {
                MusicCount = model.GetMusicCount();
            }
        }

        public bool IsPlayListItem()
        {
            return AppConstant.VALUE_MENU_PLAY_LIST_ID == MenuId;
        }

        public bool IsDefaultItem()
        {
            return AppConstant.VALUE_DEFAULT_MENU_ID == MenuId;
        }

        public static MusicMenuViewModel ToViewModel(MusicMenuModel model)
        {
            MusicMenuViewModel viewModel = new MusicMenuViewModel();
            viewModel.FromModel(model);
            return viewModel;
        }

        public static MusicMenuModel ToModel(MusicMenuViewModel viewModel)
        {
            MusicMenuModel model = new MusicMenuModel
            {
                MenuId = viewModel.MenuId,
                Name = viewModel.Name,
                IconKind = viewModel.IconKind,