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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.IO;
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using Microsoft.Extensions.Logging;
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namespace MediaBrowser.LocalMetadata.Images
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{
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/// <summary>
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/// Internal metadata folder image provider.
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/// </summary>
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public class InternalMetadataFolderImageProvider : ILocalImageProvider, IHasOrder
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{
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private readonly IFileSystem _fileSystem;
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private readonly ILogger<InternalMetadataFolderImageProvider> _logger;
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/// <summary>
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/// Initializes a new instance of the <see cref="InternalMetadataFolderImageProvider"/> class.
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/// </summary>
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/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
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/// <param name="logger">Instance of the <see cref="ILogger{InternalMetadataFolderImageProvider}"/> interface.</param>
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public InternalMetadataFolderImageProvider(
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IFileSystem fileSystem,
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ILogger<InternalMetadataFolderImageProvider> logger)
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{
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_fileSystem = fileSystem;
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_logger = logger;
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}
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/// Make sure this is last so that all other locations are scanned first
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/// <inheritdoc />
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public int Order => 1000;
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/// <inheritdoc />
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public string Name => "Internal Images";
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/// <inheritdoc />
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public bool Supports(BaseItem item)
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{
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if (item is Photo)
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{
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return false;
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}
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if (!item.IsSaveLocalMetadataEnabled())
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{
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return true;
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}
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// Extracted images will be saved in here
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if (item is Audio)
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{
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return true;
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}
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if (item.SupportsLocalMetadata && !item.AlwaysScanInternalMetadataPath)
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{
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return false;
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}
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return true;
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}
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/// <inheritdoc />
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public IEnumerable<LocalImageInfo> GetImages(BaseItem item, IDirectoryService directoryService)
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{
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var path = item.GetInternalMetadataPath();
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if (!Directory.Exists(path))
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{
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return Enumerable.Empty<LocalImageInfo>();
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}
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try
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{
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return new LocalImageProvider(_fileSystem).GetImages(item, path, directoryService);
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}
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catch (IOException ex)
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{
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_logger.LogError(ex, "Error while getting images for {Library}", item.Name);
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return Enumerable.Empty<LocalImageInfo>();
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}
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}
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}
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}
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