more design

TV Player WPF/ViewModels/PlayerViewModel.cs

@@ -1,14 +1,13 @@
 using CommunityToolkit.Mvvm.Input;
+using System.Reactive.Linq;
 using System.Windows.Input;
 using TV_Player.ViewModels;
 
 namespace TV_Player
 {
-    
-    public class PlayerViewModel: ObservableViewModelBase
+
+    public class PlayerViewModel : ObservableViewModelBase, IDisposable
     {
-
-
         private M3UInfo _currentProgram;
         public M3UInfo SelectedProgram
         {
@@ -23,17 +22,82 @@ namespace TV_Player
             set => SetProperty(ref _topPaneTitle, value);
         }
 
+        private int _durationValue;
+        public int DurationValue
+        {
+            get => _durationValue;
+            set => SetProperty(ref _durationValue, value);
+        }
+
+        private string _programGuide;
+        public string ProgramGuideText
+        {
+            get => _programGuide;
+            set => SetProperty(ref _programGuide, value);
+        }
+
+        private string _startProgram;
+        public string StartProgram
+        {
+            get => _startProgram;
+            set => SetProperty(ref _startProgram, value);
+        }
+
+        private string _endProgram;
+        public string EndProgram
+        {
+            get => _endProgram;
+            set => SetProperty(ref _endProgram, value);
+        }
+
+
         public M3UInfo SelectedItem { get; set; }
         public ICommand BackCommand { get; }
 
+        private ProgramGuide _currentGuide;
+        private ProgramInfo _currentProgramInfo;
+
+        private IDisposable _programGuideDisposable;
+        private IDisposable _timer;
         public PlayerViewModel(M3UInfo selectedProgram)
         {
             _currentProgram = selectedProgram;
             BackCommand = new RelayCommand(OnButtonBackClick);
             TVPlayerViewModel.Instance.TopPanelVisible(false, selectedProgram.Name);
+
             TopPanelTitle = selectedProgram.Name;
+
+            _programGuideDisposable = ProgramsData.Instance.ProgramGuideInfo.Subscribe(x =>
+                {
+                    try
+                    {
+                        _currentGuide = x.FirstOrDefault(p => p.Id == selectedProgram.TvgID);
+                        UpdateScreenInfo();
+
+                        _timer = Observable.Interval(TimeSpan.FromMinutes(1)).Subscribe(x =>
+                        {
+                            UpdateScreenInfo();
+                        });
+                    }
+                    catch { }
+                });
+
         }
 
+        private void UpdateScreenInfo()
+        {
+            _currentProgramInfo = _currentGuide.Programs.FirstOrDefault(d => d.StartTime <= DateTime.Now && d.StopTime >= DateTime.Now);
+            if (_currentProgramInfo.Title != ProgramGuideText)
+            {
+                ProgramGuideText = _currentProgramInfo.Title;
+                StartProgram = _currentProgramInfo.StartTime.ToShortTimeString();
+                EndProgram = _currentProgramInfo.StopTime.ToShortTimeString();
+            }
+            var programMinutes = (_currentProgramInfo.StopTime - _currentProgramInfo.StartTime).TotalMinutes;
+            DurationValue = (int)((DateTime.Now - _currentProgramInfo.StartTime).TotalMinutes / programMinutes * 100);
+        }
+
+
         private void OnButtonBackClick()
         {
             var groupInfo = new GroupInfo() { Name = _currentProgram.GroupTitle, Count = 0 };
@@ -43,5 +107,10 @@ namespace TV_Player
             TVPlayerViewModel.Instance.SetPageContext(conrtrol, programListViewModel);
         }
 
+        public void Dispose()
+        {
+            _programGuideDisposable.Dispose();
+            _timer.Dispose();
+        }
     }
 }