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Precache livetv program images (#11083)

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* Precache livetv program images

* return if cache hit

* use EnsureSuccessStatusCode

* Read proper bytes
This commit is contained in:
Cody Robibero
2024-03-03 13:32:55 -07:00
committed by GitHub
parent 3bd1a5c557
commit f7f3ad9eb7
6 changed files with 137 additions and 47 deletions
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42
src/Jellyfin.LiveTv/Guide/GuideManager.cs
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@@ -27,6 +27,8 @@ public class GuideManager : IGuideManager
private const string EtagKey = "ProgramEtag";
private const string ExternalServiceTag = "ExternalServiceId";
private static readonly ParallelOptions _cacheParallelOptions = new() { MaxDegreeOfParallelism = Math.Min(Environment.ProcessorCount, 10) };
private readonly ILogger<GuideManager> _logger;
private readonly IConfigurationManager _config;
private readonly IFileSystem _fileSystem;
@@ -209,6 +211,7 @@ public class GuideManager : IGuideManager
_logger.LogInformation("Refreshing guide with {0} days of guide data", guideDays);
var maxCacheDate = DateTime.UtcNow.AddDays(2);
foreach (var currentChannel in list)
{
cancellationToken.ThrowIfCancellationRequested();
@@ -263,6 +266,7 @@ public class GuideManager : IGuideManager
if (newPrograms.Count > 0)
{
_libraryManager.CreateItems(newPrograms, null, cancellationToken);
await PrecacheImages(newPrograms, maxCacheDate).ConfigureAwait(false);
}
if (updatedPrograms.Count > 0)
@@ -272,6 +276,7 @@ public class GuideManager : IGuideManager
currentChannel,
ItemUpdateType.MetadataImport,
cancellationToken).ConfigureAwait(false);
await PrecacheImages(updatedPrograms, maxCacheDate).ConfigureAwait(false);
}
currentChannel.IsMovie = isMovie;
@@ -708,4 +713,41 @@ public class GuideManager : IGuideManager
return (item, isNew, isUpdated);
}
private async Task PrecacheImages(IReadOnlyList<BaseItem> programs, DateTime maxCacheDate)
{
await Parallel.ForEachAsync(
programs
.Where(p => p.EndDate.HasValue && p.EndDate.Value < maxCacheDate)
.DistinctBy(p => p.Id),
_cacheParallelOptions,
async (program, cancellationToken) =>
{
for (var i = 0; i < program.ImageInfos.Length; i++)
{
if (cancellationToken.IsCancellationRequested)
{
return;
}
var imageInfo = program.ImageInfos[i];
if (!imageInfo.IsLocalFile)
{
try
{
program.ImageInfos[i] = await _libraryManager.ConvertImageToLocal(
program,
imageInfo,
imageIndex: 0,
removeOnFailure: false)
.ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogWarning(ex, "Unable to precache {Url}", imageInfo.Path);
}
}
}
}).ConfigureAwait(false);
}
}