add translation, fix small bugs

TV Player WPF/ViewModels/ProgramsData.cs

@@ -10,10 +10,12 @@ namespace TV_Player
         private readonly ReplaySubject<Unit> programGuideSubject = new ReplaySubject<Unit>();
         public IObservable<List<M3UInfo>> AllPrograms => programsSubject;
         public IObservable<List<GroupInfo>> GroupsInformation => groupsSubject;
-
         public IObservable<Unit> ProgramGuideInfo => programGuideSubject;
+
+        private readonly string _programName;
         public ProgramsData(string name,string playlistURL)
         {
+            _programName = name;
             Task.Run(() => GetPrograms(name,playlistURL));
         }
 
@@ -34,7 +36,7 @@ namespace TV_Player
 
         public Task<ProgramGuide> GetGuideByProgram(string channelID)
         {
-            return M3UParser.ParseEpg(channelID);
+            return M3UParser.ParseEpg(_programName,channelID);
         }
 
         private async Task GetProgramGuide(string name, string guideLink)

TV Player WPF/ViewModels/SettingsViewModel.cs

@@ -63,7 +63,19 @@ namespace TV_Player.ViewModels
 
         private void OnAddPlaylistCommand()
         {
-            Playlists.Add(new KeyValuePair<string, string>(PlaylistName, PlaylistURL));
+            var url = PlaylistURL?.Trim();
+            var name = PlaylistName?.Trim();
+            if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(url))
+                return;
+            if (IsValidUrl(url))
+                Playlists.Add(new KeyValuePair<string, string>(name, url));
+        }
+
+        private bool IsValidUrl(string url)
+        {
+            Uri uriResult;
+            return Uri.TryCreate(url, UriKind.Absolute, out uriResult)
+                   && (uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps);
         }
 
         private void OnPlaylistDeleteCommand(KeyValuePair<string, string> pair)

TV Player WPF/ViewModels/TVPlayerViewModel.cs

@@ -1,4 +1,5 @@
-using System.Windows.Controls;
+using System.Windows;
+using System.Windows.Controls;
 
 namespace TV_Player.ViewModels
 {
@@ -12,7 +13,7 @@ namespace TV_Player.ViewModels
 
         public Action ButtonBackAction { get; set; }
 
-        private string _currentPlaylistName;
+        public string _currentPlaylistName;
 
         private static TVPlayerViewModel? _instance;
         public static TVPlayerViewModel Instance
@@ -44,6 +45,7 @@ namespace TV_Player.ViewModels
         {
             if (SettingsModel.Playlists!=null && SettingsModel.Playlists.Any())
             {
+                SetLanguageDictionary();
                 PlayListsData.Clear();
                 foreach (var playlist in SettingsModel.Playlists)
                 {
@@ -64,6 +66,24 @@ namespace TV_Player.ViewModels
             }
         }
 
+        private void SetLanguageDictionary()
+        {
+            ResourceDictionary dict = new ResourceDictionary();
+            switch (Thread.CurrentThread.CurrentCulture.ToString())
+            {
+                case "en-US":
+                    dict.Source = new Uri("..\\Assets\\en-US.xaml", UriKind.Relative);
+                    break;
+                case "ru-RU":
+                    dict.Source = new Uri("..\\Assets\\ru-RU.xaml", UriKind.Relative);
+                    break;
+                default:
+                    dict.Source = new Uri("..\\Assets\\en-US.xaml", UriKind.Relative);
+                    break;
+            }
+            Application.Current.Resources.MergedDictionaries.Add(dict);
+        }
+
         public void SelectScreen()
         {
             switch (SettingsModel.LastScreen)