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127 lines
4.6 KiB
C#
127 lines
4.6 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Threading;
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using Jellyfin.Extensions;
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using MediaBrowser.Controller.Channels;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Model.Configuration;
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namespace MediaBrowser.Controller.BaseItemManager
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{
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/// <inheritdoc />
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public class BaseItemManager : IBaseItemManager
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{
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private readonly IServerConfigurationManager _serverConfigurationManager;
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private int _metadataRefreshConcurrency;
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/// <summary>
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/// Initializes a new instance of the <see cref="BaseItemManager"/> class.
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/// </summary>
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/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
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public BaseItemManager(IServerConfigurationManager serverConfigurationManager)
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{
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_serverConfigurationManager = serverConfigurationManager;
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_metadataRefreshConcurrency = GetMetadataRefreshConcurrency();
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SetupMetadataThrottler();
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_serverConfigurationManager.ConfigurationUpdated += OnConfigurationUpdated;
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}
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/// <inheritdoc />
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public SemaphoreSlim MetadataRefreshThrottler { get; private set; }
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/// <inheritdoc />
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public bool IsMetadataFetcherEnabled(BaseItem baseItem, LibraryOptions libraryOptions, string name)
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{
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if (baseItem is Channel)
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{
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// Hack alert.
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return true;
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}
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if (baseItem.SourceType == SourceType.Channel)
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{
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// Hack alert.
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return !baseItem.EnableMediaSourceDisplay;
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}
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var typeOptions = libraryOptions.GetTypeOptions(baseItem.GetType().Name);
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if (typeOptions != null)
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{
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return typeOptions.MetadataFetchers.Contains(name.AsSpan(), StringComparison.OrdinalIgnoreCase);
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}
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var itemConfig = _serverConfigurationManager.Configuration.MetadataOptions.FirstOrDefault(i => string.Equals(i.ItemType, baseItem.GetType().Name, StringComparison.OrdinalIgnoreCase));
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return itemConfig == null || !itemConfig.DisabledMetadataFetchers.Contains(name.AsSpan(), StringComparison.OrdinalIgnoreCase);
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}
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/// <inheritdoc />
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public bool IsImageFetcherEnabled(BaseItem baseItem, LibraryOptions libraryOptions, string name)
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{
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if (baseItem is Channel)
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{
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// Hack alert.
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return true;
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}
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if (baseItem.SourceType == SourceType.Channel)
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{
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// Hack alert.
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return !baseItem.EnableMediaSourceDisplay;
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}
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var typeOptions = libraryOptions.GetTypeOptions(baseItem.GetType().Name);
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if (typeOptions != null)
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{
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return typeOptions.ImageFetchers.Contains(name.AsSpan(), StringComparison.OrdinalIgnoreCase);
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}
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var itemConfig = _serverConfigurationManager.Configuration.MetadataOptions.FirstOrDefault(i => string.Equals(i.ItemType, baseItem.GetType().Name, StringComparison.OrdinalIgnoreCase));
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return itemConfig == null || !itemConfig.DisabledImageFetchers.Contains(name.AsSpan(), StringComparison.OrdinalIgnoreCase);
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}
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/// <summary>
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/// Called when the configuration is updated.
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/// It will refresh the metadata throttler if the relevant config changed.
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/// </summary>
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private void OnConfigurationUpdated(object? sender, EventArgs e)
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{
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int newMetadataRefreshConcurrency = GetMetadataRefreshConcurrency();
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if (_metadataRefreshConcurrency != newMetadataRefreshConcurrency)
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{
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_metadataRefreshConcurrency = newMetadataRefreshConcurrency;
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SetupMetadataThrottler();
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}
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}
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/// <summary>
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/// Creates the metadata refresh throttler.
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/// </summary>
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[MemberNotNull(nameof(MetadataRefreshThrottler))]
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private void SetupMetadataThrottler()
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{
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MetadataRefreshThrottler = new SemaphoreSlim(_metadataRefreshConcurrency);
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}
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/// <summary>
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/// Returns the metadata refresh concurrency.
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/// </summary>
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private int GetMetadataRefreshConcurrency()
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{
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var concurrency = _serverConfigurationManager.Configuration.LibraryMetadataRefreshConcurrency;
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if (concurrency <= 0)
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{
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concurrency = Environment.ProcessorCount;
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}
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return concurrency;
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}
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}
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}
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