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Reduce the amount of db calls during the post scan event
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a2dd2ddd55
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@ -35,64 +35,52 @@ namespace Emby.Server.Implementations.Channels
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public static string GetUserDistinctValue(User user)
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{
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var channels = user.Policy.EnabledChannels
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.OrderBy(i => i)
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.ToList();
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.OrderBy(i => i);
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return string.Join("|", channels.ToArray());
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return string.Join("|", channels);
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}
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private void CleanDatabase(CancellationToken cancellationToken)
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{
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var installedChannelIds = ((ChannelManager)_channelManager).GetInstalledChannelIds();
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var databaseIds = _libraryManager.GetItemIds(new InternalItemsQuery
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var databaseIds = _libraryManager.GetItemList(new InternalItemsQuery
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{
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IncludeItemTypes = new[] { typeof(Channel).Name }
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IncludeItemTypes = new[] { typeof(Channel).Name },
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ExcludeItemIds = installedChannelIds.ToArray()
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});
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var invalidIds = databaseIds
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.Except(installedChannelIds)
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.ToList();
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foreach (var id in invalidIds)
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foreach (var channel in databaseIds.Cast<Channel>())
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{
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cancellationToken.ThrowIfCancellationRequested();
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CleanChannel(id, cancellationToken);
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CleanChannel(channel, cancellationToken);
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}
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}
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private void CleanChannel(Guid id, CancellationToken cancellationToken)
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private void CleanChannel(Channel channel, CancellationToken cancellationToken)
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{
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_logger.LogInformation("Cleaning channel {0} from database", id);
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_logger.LogInformation("Cleaning channel {0} from database", channel.Id);
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// Delete all channel items
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var allIds = _libraryManager.GetItemIds(new InternalItemsQuery
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var items = _libraryManager.GetItemList(new InternalItemsQuery
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{
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ChannelIds = new[] { id }
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ChannelIds = new[] { channel.Id }
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});
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foreach (var deleteId in allIds)
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foreach (var item in items)
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{
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cancellationToken.ThrowIfCancellationRequested();
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DeleteItem(deleteId);
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_libraryManager.DeleteItem(item, new DeleteOptions
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{
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DeleteFileLocation = false
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}, false);
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}
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// Finally, delete the channel itself
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DeleteItem(id);
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}
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private void DeleteItem(Guid id)
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{
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var item = _libraryManager.GetItemById(id);
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if (item == null)
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{
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return;
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}
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_libraryManager.DeleteItem(item, new DeleteOptions
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_libraryManager.DeleteItem(channel, new DeleteOptions
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{
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DeleteFileLocation = false
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