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Restrict metadata refresh of missing/virtual episodes

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This commit can significantly improe library scan times!
(in my case from 15minutes to 50s)

This fixes the following situation:

When a user has a series in his library with lots of episodes (like
thousands), the metadata for ALL series episodes was refreshed during
each library scan. This resulted in very long scan times, even when
using the provider's cached data.

This fix skips metadata refresh for episodes that are NOT present in the
local library and are having an airdate older than 30days (no more
changes likely to occur) during library scans.

But these skipped items would still be refreshed during a full metadata
refresh.

I believe this is an acceptable balance between performance and
accuracy.
This commit is contained in:
softworkz 2016-04-23 06:30:05 +02:00
parent 584e793a6d
commit ad6bde6355
1 changed files with 21 additions and 3 deletions
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24
MediaBrowser.Controller/Entities/TV/Series.cs
View file

@ -255,7 +255,7 @@ namespace MediaBrowser.Controller.Entities.TV
// Refresh current item
await RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
// Refresh TV
// Refresh seasons
foreach (var item in seasons)
{
cancellationToken.ThrowIfCancellationRequested();
@ -268,12 +268,30 @@ namespace MediaBrowser.Controller.Entities.TV
progress.Report(percent * 100);
}
// Refresh all non-songs
// Refresh episodes and other children
foreach (var item in otherItems)
{
cancellationToken.ThrowIfCancellationRequested();
await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
var skipItem = false;
var episode = item as Episode;
if (episode != null
&& refreshOptions.MetadataRefreshMode != MetadataRefreshMode.FullRefresh
&& !refreshOptions.ReplaceAllMetadata
&& episode.IsMissingEpisode
&& episode.LocationType == Model.Entities.LocationType.Virtual
&& episode.PremiereDate.HasValue
&& (DateTime.UtcNow - episode.PremiereDate.Value).TotalDays > 30)
{
skipItem = true;
}
if (!skipItem)
{
await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
}
numComplete++;
double percent = numComplete;