Use TV guide for livestreams

Jellyfin.Plugin.SRFPlay/Channels/SRFPlayChannel.cs

@@ -2,13 +2,13 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
-using System.Security.Cryptography;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Api;
 using Jellyfin.Plugin.SRFPlay.Constants;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using Jellyfin.Plugin.SRFPlay.Utilities;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Providers;
@@ -81,7 +81,7 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
     /// <inheritdoc />
     public InternalChannelFeatures GetChannelFeatures()
     {
-        _logger.LogInformation("=== GetChannelFeatures called for SRF Play channel ===");
+        _logger.LogDebug("GetChannelFeatures called");
 
         return new InternalChannelFeatures
         {
@@ -127,12 +127,12 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
     /// <inheritdoc />
     public async Task<ChannelItemResult> GetChannelItems(InternalChannelItemQuery query, CancellationToken cancellationToken)
     {
-        _logger.LogInformation("=== GetChannelItems called! FolderId: {FolderId} ===", query.FolderId);
+        _logger.LogDebug("GetChannelItems called for folder {FolderId}", query.FolderId);
 
         try
         {
             var items = await GetFolderItemsAsync(query.FolderId, cancellationToken).ConfigureAwait(false);
-            _logger.LogInformation("Returning {Count} channel items for folder {FolderId}", items.Count, query.FolderId);
+            _logger.LogDebug("Returning {Count} channel items for folder {FolderId}", items.Count, query.FolderId);
 
             return new ChannelItemResult
             {
@@ -393,8 +393,14 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
         var enabledTopics = config?.EnabledTopics != null && config.EnabledTopics.Count > 0
             ? string.Join(",", config.EnabledTopics)
             : "all";
-        var date = DateTime.Now.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture);
-        return $"{config?.BusinessUnit}_{config?.EnableLatestContent}_{config?.EnableTrendingContent}_{config?.EnableCategoryFolders}_{enabledTopics}_{date}";
+
+        // Use 15-minute time buckets for cache key so live content refreshes frequently
+        // This ensures livestream folders update as programs start/end throughout the day
+        var now = DateTime.Now;
+        var timeBucket = new DateTime(now.Year, now.Month, now.Day, now.Hour, (now.Minute / 15) * 15, 0);
+        var timeKey = timeBucket.ToString("yyyy-MM-dd-HH-mm", CultureInfo.InvariantCulture);
+
+        return $"{config?.BusinessUnit}_{config?.EnableLatestContent}_{config?.EnableTrendingContent}_{config?.EnableCategoryFolders}_{enabledTopics}_{timeKey}";
     }
 
     private async Task<List<ChannelItemInfo>> ConvertUrnsToChannelItems(List<string> urns, CancellationToken cancellationToken)
@@ -449,7 +455,7 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
                 }
 
                 // Generate deterministic GUID from URN
-                var itemId = UrnToGuid(urn);
+                var itemId = UrnHelper.ToGuid(urn);
 
                 // Use factory to create MediaSourceInfo (handles stream URL, auth, proxy registration)
                 var mediaSource = await _mediaSourceFactory.CreateMediaSourceAsync(
@@ -557,25 +563,6 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
         return items;
     }
 
-    /// <summary>
-    /// Generates a deterministic GUID from a URN.
-    /// This ensures the same URN always produces the same GUID.
-    /// MD5 is used for non-cryptographic purposes only (generating IDs).
-    /// </summary>
-    /// <param name="urn">The URN to convert.</param>
-    /// <returns>A deterministic GUID.</returns>
-#pragma warning disable CA5351 // MD5 is used for non-cryptographic purposes (ID generation)
-    private static string UrnToGuid(string urn)
-    {
-        // Use MD5 to generate a deterministic hash from the URN
-        var hash = MD5.HashData(Encoding.UTF8.GetBytes(urn));
-
-        // Convert the first 16 bytes to a GUID
-        var guid = new Guid(hash);
-        return guid.ToString();
-    }
-#pragma warning restore CA5351
-
     /// <summary>
     /// Creates a proxy URL for an image to fix Content-Type headers from SRF CDN.
     /// </summary>