add error checking

9 years ago · e321d3c544
parent b6665e3b4d
commit e321d3c544
1 changed files with 11 additions and 1 deletions
--- a/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/MediaBrowser.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@ -498,7 +498,17 @@ namespace MediaBrowser.Server.Implementations.LiveTv.EmbyTV

        private bool IsListingProviderEnabledForTuner(ListingsProviderInfo info, string tunerHostId)
        {
-            return info.EnableAllTuners || info.EnabledTuners.Contains(tunerHostId ?? string.Empty, StringComparer.OrdinalIgnoreCase);
+            if (info.EnableAllTuners)
+            {
+                return true;
+            }
+
+            if (string.IsNullOrWhiteSpace(tunerHostId))
+            {
+                throw new ArgumentNullException("tunerHostId");
+            }
+
+            return info.EnabledTuners.Contains(tunerHostId, StringComparer.OrdinalIgnoreCase);
        }

        private async Task<IEnumerable<ProgramInfo>> GetProgramsAsyncInternal(string channelId, DateTime startDateUtc, DateTime endDateUtc, CancellationToken cancellationToken)