IPTVplayer/TV Player WPF/ViewModels/ProgramsGroupViewModel.cs

using CommunityToolkit.Mvvm.Input;
using System.Windows.Input;
using TV_Player.ViewModels;

namespace TV_Player
{
    public class ProgramsGroupViewModel : ObservableViewModelBase, IDisposable
    {
        private List<GroupInfo> _programs;

        public List<GroupInfo> Programs
        {
            get => _programs;
            set => SetProperty(ref _programs, value);
        }

        public GroupInfo SelectedItem { get; set; }
        public ICommand ItemSelectedCommand { get; }
        public IDisposable _groupInformationSubscriber;

        public ProgramsGroupViewModel()
        {
            ItemSelectedCommand = new RelayCommand(OnItemSelected);
            _groupInformationSubscriber = TVPlayerViewModel.Instance.CurrentProgrmsData.GroupsInformation.Subscribe(x => 
            Programs = SettingsModel.HiddenGroups == null ? x : x.Where(g => !SettingsModel.HiddenGroups.Contains(g.Name.ToLower())).ToList());

            TVPlayerViewModel.Instance.TopPanelVisible(true, "Groups");

            TVPlayerViewModel.Instance.SetBackButtonAction(new Action(() =>
            {
                TVPlayerViewModel.Instance.ShowPlaylistsGroupScreen();
            }));
        }

        private void OnItemSelected()
        {
            TVPlayerViewModel.Instance.ShowProgramsListScreen(SelectedItem);
        }

        public void Dispose()
        {
            _groupInformationSubscriber.Dispose();
        }
    }
}