display current program in tv channel osd

MediaBrowser.Controller/LiveTv/ILiveTvManager.cs

@@ -372,5 +372,14 @@ namespace MediaBrowser.Controller.LiveTv
         /// <param name="feature">The feature.</param>
         /// <returns>Task&lt;MBRegistrationRecord&gt;.</returns>
         Task<MBRegistrationRecord> GetRegistrationInfo(string channelId, string programId, string feature);
+
+        /// <summary>
+        /// Adds the channel information.
+        /// </summary>
+        /// <param name="dto">The dto.</param>
+        /// <param name="channel">The channel.</param>
+        /// <param name="options">The options.</param>
+        /// <param name="user">The user.</param>
+        void AddChannelInfo(BaseItemDto dto, LiveTvChannel channel, DtoOptions options, User user);
     }
 }

MediaBrowser.Model/Dto/BaseItemDto.cs

@@ -1195,6 +1195,10 @@ namespace MediaBrowser.Model.Dto
         /// </summary>
         /// <value>The timer identifier.</value>
         public string TimerId { get; set; }
-
+        /// <summary>
+        /// Gets or sets the current program.
+        /// </summary>
+        /// <value>The current program.</value>
+        public BaseItemDto CurrentProgram { get; set; }
     }
 }

MediaBrowser.Server.Implementations/Dto/DtoService.cs

@@ -98,7 +98,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
                 var byName = item as IItemByName;
 
-                if (byName != null && !(item is LiveTvChannel))
+                if (byName != null)
                 {
                     if (options.Fields.Contains(ItemFields.ItemCounts))
                     {
@@ -140,7 +140,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             var byName = item as IItemByName;
 
-            if (byName != null && !(item is LiveTvChannel))
+            if (byName != null)
             {
                 if (options.Fields.Contains(ItemFields.ItemCounts))
                 {
@@ -351,6 +351,12 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             AttachBasicFields(dto, item, owner, options);
 
+            var tvChannel = item as LiveTvChannel;
+            if (tvChannel != null)
+            {
+                _livetvManager().AddChannelInfo(dto, tvChannel, options, user);
+            }
+
             var collectionFolder = item as ICollectionFolder;
             if (collectionFolder != null)
             {
@@ -1520,12 +1526,6 @@ namespace MediaBrowser.Server.Implementations.Dto
                 SetPhotoProperties(dto, photo);
             }
 
-            var tvChannel = item as LiveTvChannel;
-            if (tvChannel != null)
-            {
-                dto.MediaSources = _mediaSourceManager().GetStaticMediaSources(tvChannel, true).ToList();
-            }
-
             dto.ChannelId = item.ChannelId;
             
             var channelItem = item as IChannelItem;

MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs

@@ -1040,6 +1040,8 @@ namespace MediaBrowser.Server.Implementations.LiveTv
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
+                _logger.Debug("Refreshing guide from {0}", service.Name);
+
                 try
                 {
                     var innerProgress = new ActionableProgress<double>();
@@ -1721,6 +1723,32 @@ namespace MediaBrowser.Server.Implementations.LiveTv
             return dto;
         }
 
+        public void AddChannelInfo(BaseItemDto dto, LiveTvChannel channel, DtoOptions options, User user)
+        {
+            dto.MediaSources = channel.GetMediaSources(true).ToList();
+
+            var now = DateTime.UtcNow;
+
+            var programs = _libraryManager.GetItems(new InternalItemsQuery
+            {
+                IncludeItemTypes = new[] { typeof(LiveTvProgram).Name },
+                ChannelIds = new[] { channel.Id.ToString("N") },
+                MaxStartDate = now,
+                MinEndDate = now,
+                Limit = 1
+
+            }).Items.Cast<LiveTvProgram>();
+
+            var currentProgram = programs
+                .OrderBy(i => i.StartDate)
+                .FirstOrDefault();
+
+            if (currentProgram != null)
+            {
+                dto.CurrentProgram = _dtoService.GetBaseItemDto(currentProgram, options, user);
+            }
+        }
+
         private async Task<Tuple<SeriesTimerInfo, ILiveTvService>> GetNewTimerDefaultsInternal(CancellationToken cancellationToken, LiveTvProgram program = null)
         {
             var service = program != null && !string.IsNullOrWhiteSpace(program.ServiceName) ?