automatically adjust timer schedules to program changes

Emby.Server.Core/ApplicationHost.cs

@@ -489,6 +489,7 @@ namespace Emby.Server.Core
         {
             var migrations = new List<IVersionMigration>
             {
+                new LibraryScanMigration(ServerConfigurationManager, TaskManager)
             };
 
             foreach (var task in migrations)

Emby.Server.Implementations/Emby.Server.Implementations.csproj

@@ -181,6 +181,7 @@
     <Compile Include="Localization\LocalizationManager.cs" />
     <Compile Include="MediaEncoder\EncodingManager.cs" />
     <Compile Include="Migrations\IVersionMigration.cs" />
+    <Compile Include="Migrations\LibraryScanMigration.cs" />
     <Compile Include="Migrations\UpdateLevelMigration.cs" />
     <Compile Include="News\NewsEntryPoint.cs" />
     <Compile Include="News\NewsService.cs" />

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -328,15 +328,35 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 }
                 await UpdateTimersForSeriesTimer(epgData, timer, true).ConfigureAwait(false);
             }
+        }
 
+        public async Task RefreshTimers(CancellationToken cancellationToken, IProgress<double> progress)
+        {
             var timers = await GetTimersAsync(cancellationToken).ConfigureAwait(false);
 
-            foreach (var timer in timers.ToList())
+            foreach (var timer in timers)
             {
                 if (DateTime.UtcNow > timer.EndDate && !_activeRecordings.ContainsKey(timer.Id))
                 {
                     OnTimerOutOfDate(timer);
+                    continue;
+                }
+
+                if (string.IsNullOrWhiteSpace(timer.ProgramId) || string.IsNullOrWhiteSpace(timer.ChannelId))
+                {
+                    continue;
+                }
+
+                var epg = GetEpgDataForChannel(timer.ChannelId);
+                var program = epg.FirstOrDefault(i => string.Equals(i.Id, timer.ProgramId, StringComparison.OrdinalIgnoreCase));
+                if (program == null)
+                {
+                    OnTimerOutOfDate(timer);
+                    continue;
                 }
+
+                RecordingHelper.CopyProgramInfoToTimerInfo(program, timer);
+                _timerProvider.Update(timer);
             }
         }
 

Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs

@@ -41,6 +41,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         public static void CopyProgramInfoToTimerInfo(ProgramInfo programInfo, TimerInfo timerInfo)
         {
+            timerInfo.Name = programInfo.Name;
+            timerInfo.StartDate = programInfo.StartDate;
+            timerInfo.EndDate = programInfo.EndDate;
+            timerInfo.ChannelId = programInfo.ChannelId;
+
             timerInfo.SeasonNumber = programInfo.SeasonNumber;
             timerInfo.EpisodeNumber = programInfo.EpisodeNumber;
             timerInfo.IsMovie = programInfo.IsMovie;
@@ -54,6 +59,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             timerInfo.HomePageUrl = programInfo.HomePageUrl;
             timerInfo.CommunityRating = programInfo.CommunityRating;
+            timerInfo.Overview = programInfo.Overview;
             timerInfo.ShortOverview = programInfo.ShortOverview;
             timerInfo.OfficialRating = programInfo.OfficialRating;
             timerInfo.IsRepeat = programInfo.IsRepeat;

Emby.Server.Implementations/LiveTv/LiveTvManager.cs

@@ -1231,6 +1231,7 @@ namespace Emby.Server.Implementations.LiveTv
             if (coreService != null)
             {
                 await coreService.RefreshSeriesTimers(cancellationToken, new Progress<double>()).ConfigureAwait(false);
+                await coreService.RefreshTimers(cancellationToken, new Progress<double>()).ConfigureAwait(false);
             }
 
             // Load these now which will prefetch metadata

MediaBrowser.Model/Configuration/ServerConfiguration.cs

@@ -201,6 +201,7 @@ namespace MediaBrowser.Model.Configuration
         public bool DisplayCollectionsView { get; set; }
         public string[] LocalNetworkAddresses { get; set; }
         public string[] CodecsUsed { get; set; }
+        public string[] Migrations { get; set; }
         public bool EnableChannelView { get; set; }
         public bool EnableExternalContentInSuggestions { get; set; }
         public bool EnableSimpleArtistDetection { get; set; }
@@ -213,6 +214,7 @@ namespace MediaBrowser.Model.Configuration
         {
             LocalNetworkAddresses = new string[] { };
             CodecsUsed = new string[] { };
+            Migrations = new string[] { };
             ImageExtractionTimeoutMs = 0;
 
             EnableLocalizedGuids = true;