From 60e01e1f22fa6fc3505469abd96d85d64b05fac1 Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Sat, 11 Apr 2026 18:00:41 +0200
Subject: Apply review suggestions

---
 .../LiveTv/ISchedulesDirectService.cs              |  7 ++++++
 src/Jellyfin.LiveTv/Guide/GuideManager.cs          |  8 +++++++
 src/Jellyfin.LiveTv/Listings/SchedulesDirect.cs    | 26 +++++++++++++++++-----
 3 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/MediaBrowser.Controller/LiveTv/ISchedulesDirectService.cs b/MediaBrowser.Controller/LiveTv/ISchedulesDirectService.cs
index a33b4422b2..6953650952 100644
--- a/MediaBrowser.Controller/LiveTv/ISchedulesDirectService.cs
+++ b/MediaBrowser.Controller/LiveTv/ISchedulesDirectService.cs
@@ -21,4 +21,11 @@ public interface ISchedulesDirectService
     /// </summary>
     /// <returns><c>true</c> if the image limit has been hit and has not yet reset; otherwise <c>false</c>.</returns>
     bool IsImageDailyLimitActive();
+
+    /// <summary>
+    /// Gets a value indicating whether the Schedules Direct service is available.
+    /// Returns <c>false</c> if a permanent account error has occurred or a transient backoff is active.
+    /// </summary>
+    /// <returns><c>true</c> if the service can accept requests; otherwise <c>false</c>.</returns>
+    bool IsServiceAvailable();
 }
diff --git a/src/Jellyfin.LiveTv/Guide/GuideManager.cs b/src/Jellyfin.LiveTv/Guide/GuideManager.cs
index a659cc020b..556516674b 100644
--- a/src/Jellyfin.LiveTv/Guide/GuideManager.cs
+++ b/src/Jellyfin.LiveTv/Guide/GuideManager.cs
@@ -738,6 +738,14 @@ public class GuideManager : IGuideManager
             _cacheParallelOptions,
             async (program, cancellationToken) =>
             {
+                // Re-check: limit may have been set by a parallel task since the LINQ filter ran.
+                if (_schedulesDirectService.IsImageDailyLimitActive()
+                    && program.ImageInfos.All(
+                        img => img.IsLocalFile || img.Path.Contains("schedulesdirect", StringComparison.OrdinalIgnoreCase)))
+                {
+                    return;
+                }
+
                 for (var i = 0; i < program.ImageInfos.Length; i++)
                 {
                     if (cancellationToken.IsCancellationRequested)
diff --git a/src/Jellyfin.LiveTv/Listings/SchedulesDirect.cs b/src/Jellyfin.LiveTv/Listings/SchedulesDirect.cs
index 7b97dcc8db..3aa0f0408b 100644
--- a/src/Jellyfin.LiveTv/Listings/SchedulesDirect.cs
+++ b/src/Jellyfin.LiveTv/Listings/SchedulesDirect.cs
@@ -45,8 +45,8 @@ namespace Jellyfin.LiveTv.Listings
 
         private readonly ConcurrentDictionary<string, NameValuePair> _tokens = new();
         private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
-        private DateTime _lastErrorResponse;
-        private bool _accountError;
+        private long _lastErrorResponseTicks;
+        private volatile bool _accountError;
         private bool _disposed = false;
 
         private byte[] _countriesCache;
@@ -594,7 +594,7 @@ namespace Jellyfin.LiveTv.Listings
             }
 
             // Avoid hammering SD after transient login failures (e.g. max attempts / temporary lockout)
-            if ((DateTime.UtcNow - _lastErrorResponse).TotalMinutes < 30)
+            if ((DateTime.UtcNow - new DateTime(Interlocked.Read(ref _lastErrorResponseTicks), DateTimeKind.Utc)).TotalMinutes < 30)
             {
                 return null;
             }
@@ -635,7 +635,7 @@ namespace Jellyfin.LiveTv.Listings
                         && (int)ex.StatusCode.Value < 500)
                     {
                         _tokens.Clear();
-                        _lastErrorResponse = DateTime.UtcNow;
+                        Interlocked.Exchange(ref _lastErrorResponseTicks, DateTime.UtcNow.Ticks);
                     }
 
                     throw;
@@ -695,7 +695,7 @@ namespace Jellyfin.LiveTv.Listings
             {
                 // Transient login errors — back off for 30 minutes, then allow retry.
                 _tokens.Clear();
-                _lastErrorResponse = DateTime.UtcNow;
+                Interlocked.Exchange(ref _lastErrorResponseTicks, DateTime.UtcNow.Ticks);
             }
             else if (sdCode is SdErrorCode.MaxImageDownloads)
             {
@@ -876,6 +876,22 @@ namespace Jellyfin.LiveTv.Listings
             return null;
         }
 
+        /// <inheritdoc />
+        public bool IsServiceAvailable()
+        {
+            if (_accountError)
+            {
+                return false;
+            }
+
+            if ((DateTime.UtcNow - new DateTime(Interlocked.Read(ref _lastErrorResponseTicks), DateTimeKind.Utc)).TotalMinutes < 30)
+            {
+                return false;
+            }
+
+            return true;
+        }
+
         /// <inheritdoc />
         public bool IsImageDailyLimitActive()
         {
-- 
cgit v1.2.3