mirror of
https://github.com/jellyfin/jellyfin.git
synced 2026-02-15 15:49:35 -05:00
644df3585b
When writing an image to the disk, we use the completion of the async task as a signal indicating the completion of a write operation. However, this approach may not be entirely accurate, as the operating system can optimize IO operations by writing data to an intermediate cache instead of directly to the disk before completing the operation. This optimization can lead to a data race for our scanner, as subsequent tasks such as blurhash computation may attempt to read a file that has not yet been flushed from the volatile cache. Consequently, the data within the file becomes invalid, causing the blurhash computation task to fail. Use WriteThrough mode to ensure the data is actual on disk before return to resolve this issue.
703 lines
27 KiB
C#
703 lines
27 KiB
C#
#nullable disable
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#pragma warning disable CS1591
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Jellyfin.Extensions;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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using Microsoft.Extensions.Logging;
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using Episode = MediaBrowser.Controller.Entities.TV.Episode;
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using MusicAlbum = MediaBrowser.Controller.Entities.Audio.MusicAlbum;
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using Person = MediaBrowser.Controller.Entities.Person;
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using Season = MediaBrowser.Controller.Entities.TV.Season;
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namespace MediaBrowser.Providers.Manager
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{
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/// <summary>
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/// Class ImageSaver.
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/// </summary>
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public class ImageSaver
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{
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/// <summary>
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/// The _config.
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/// </summary>
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private readonly IServerConfigurationManager _config;
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/// <summary>
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/// The _directory watchers.
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/// </summary>
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private readonly ILibraryMonitor _libraryMonitor;
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private readonly IFileSystem _fileSystem;
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private readonly ILogger _logger;
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/// <summary>
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/// Initializes a new instance of the <see cref="ImageSaver" /> class.
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/// </summary>
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/// <param name="config">The config.</param>
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/// <param name="libraryMonitor">The directory watchers.</param>
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/// <param name="fileSystem">The file system.</param>
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/// <param name="logger">The logger.</param>
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public ImageSaver(IServerConfigurationManager config, ILibraryMonitor libraryMonitor, IFileSystem fileSystem, ILogger logger)
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{
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_config = config;
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_libraryMonitor = libraryMonitor;
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_fileSystem = fileSystem;
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_logger = logger;
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}
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private bool EnableExtraThumbsDuplication
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{
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get
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{
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var config = _config.GetConfiguration<XbmcMetadataOptions>("xbmcmetadata");
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return config.EnableExtraThumbsDuplication;
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}
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}
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/// <summary>
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/// Saves the image.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="source">The source.</param>
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/// <param name="mimeType">Type of the MIME.</param>
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/// <param name="type">The type.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="ArgumentNullException">mimeType.</exception>
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public Task SaveImage(BaseItem item, Stream source, string mimeType, ImageType type, int? imageIndex, CancellationToken cancellationToken)
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{
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return SaveImage(item, source, mimeType, type, imageIndex, null, cancellationToken);
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}
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public async Task SaveImage(BaseItem item, Stream source, string mimeType, ImageType type, int? imageIndex, bool? saveLocallyWithMedia, CancellationToken cancellationToken)
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{
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ArgumentException.ThrowIfNullOrEmpty(mimeType);
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var saveLocally = item.SupportsLocalMetadata && item.IsSaveLocalMetadataEnabled() && !item.ExtraType.HasValue && item is not Audio;
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if (type != ImageType.Primary && item is Episode)
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{
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saveLocally = false;
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}
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if (!item.IsFileProtocol)
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{
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saveLocally = false;
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// If season is virtual under a physical series, save locally
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if (item is Season season)
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{
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var series = season.Series;
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if (series is not null && series.SupportsLocalMetadata && series.IsSaveLocalMetadataEnabled())
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{
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saveLocally = true;
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}
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}
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}
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if (saveLocallyWithMedia.HasValue && !saveLocallyWithMedia.Value)
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{
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saveLocally = saveLocallyWithMedia.Value;
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}
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if (!imageIndex.HasValue && item.AllowsMultipleImages(type))
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{
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imageIndex = item.GetImages(type).Count();
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}
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var index = imageIndex ?? 0;
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var paths = GetSavePaths(item, type, imageIndex, mimeType, saveLocally);
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string[] retryPaths = [];
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if (saveLocally)
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{
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retryPaths = GetSavePaths(item, type, imageIndex, mimeType, false);
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}
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// If there are more than one output paths, the stream will need to be seekable
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if (paths.Length > 1 && !source.CanSeek)
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{
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var memoryStream = new MemoryStream();
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await using (source.ConfigureAwait(false))
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{
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await source.CopyToAsync(memoryStream, cancellationToken).ConfigureAwait(false);
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}
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source = memoryStream;
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}
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var currentImage = GetCurrentImage(item, type, index);
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var currentImageIsLocalFile = currentImage is not null && currentImage.IsLocalFile;
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var currentImagePath = currentImage?.Path;
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var savedPaths = new List<string>();
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await using (source.ConfigureAwait(false))
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{
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for (int i = 0; i < paths.Length; i++)
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{
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if (i != 0)
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{
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source.Position = 0;
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}
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string retryPath = null;
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if (paths.Length == retryPaths.Length)
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{
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retryPath = retryPaths[i];
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}
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var savedPath = await SaveImageToLocation(source, paths[i], retryPath, cancellationToken).ConfigureAwait(false);
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savedPaths.Add(savedPath);
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}
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}
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// Set the path into the item
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SetImagePath(item, type, imageIndex, savedPaths[0]);
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// Delete the current path
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if (currentImageIsLocalFile
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&& !savedPaths.Contains(currentImagePath, StringComparison.OrdinalIgnoreCase)
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&& (saveLocally || currentImagePath.Contains(_config.ApplicationPaths.InternalMetadataPath, StringComparison.OrdinalIgnoreCase)))
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{
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var currentPath = currentImagePath;
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_logger.LogInformation("Deleting previous image {0}", currentPath);
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_libraryMonitor.ReportFileSystemChangeBeginning(currentPath);
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try
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{
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_fileSystem.DeleteFile(currentPath);
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// Remove local episode metadata directory if it exists and is empty
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var directory = Path.GetDirectoryName(currentPath);
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if (item is Episode && directory.Equals("metadata", StringComparison.Ordinal))
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{
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var parentDirectoryPath = Directory.GetParent(currentPath).FullName;
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if (_fileSystem.DirectoryExists(parentDirectoryPath) && !_fileSystem.GetFiles(parentDirectoryPath).Any())
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{
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try
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{
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_logger.LogInformation("Deleting empty local metadata folder {Folder}", parentDirectoryPath);
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Directory.Delete(parentDirectoryPath);
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}
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catch (UnauthorizedAccessException ex)
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{
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_logger.LogError(ex, "Error deleting directory {Path}", parentDirectoryPath);
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}
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catch (IOException ex)
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{
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_logger.LogError(ex, "Error deleting directory {Path}", parentDirectoryPath);
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}
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}
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}
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}
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catch (FileNotFoundException)
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{
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}
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finally
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{
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_libraryMonitor.ReportFileSystemChangeComplete(currentPath, false);
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}
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}
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}
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public async Task SaveImage(Stream source, string path)
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{
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await SaveImageToLocation(source, path, path, CancellationToken.None).ConfigureAwait(false);
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}
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private async Task<string> SaveImageToLocation(Stream source, string path, string retryPath, CancellationToken cancellationToken)
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{
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try
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{
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await SaveImageToLocation(source, path, cancellationToken).ConfigureAwait(false);
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return path;
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}
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catch (UnauthorizedAccessException)
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{
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var retry = !string.IsNullOrWhiteSpace(retryPath) &&
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!string.Equals(path, retryPath, StringComparison.OrdinalIgnoreCase);
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if (retry)
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{
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_logger.LogError("UnauthorizedAccessException - Access to path {0} is denied. Will retry saving to {1}", path, retryPath);
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}
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else
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{
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throw;
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}
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}
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catch (IOException ex)
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{
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var retry = !string.IsNullOrWhiteSpace(retryPath) &&
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!string.Equals(path, retryPath, StringComparison.OrdinalIgnoreCase);
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if (retry)
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{
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_logger.LogError(ex, "IOException saving to {0}. Will retry saving to {1}", path, retryPath);
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}
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else
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{
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throw;
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}
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}
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await SaveImageToLocation(source, retryPath, cancellationToken).ConfigureAwait(false);
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return retryPath;
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}
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/// <summary>
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/// Saves the image to location.
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/// </summary>
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/// <param name="source">The source.</param>
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/// <param name="path">The path.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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private async Task SaveImageToLocation(Stream source, string path, CancellationToken cancellationToken)
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{
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_logger.LogDebug("Saving image to {0}", path);
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var parentFolder = Path.GetDirectoryName(path);
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try
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{
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_libraryMonitor.ReportFileSystemChangeBeginning(path);
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_libraryMonitor.ReportFileSystemChangeBeginning(parentFolder);
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Directory.CreateDirectory(Path.GetDirectoryName(path));
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_fileSystem.SetAttributes(path, false, false);
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var fileStreamOptions = AsyncFile.WriteOptions;
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fileStreamOptions.Mode = FileMode.Create;
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fileStreamOptions.Options = FileOptions.WriteThrough;
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if (source.CanSeek)
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{
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fileStreamOptions.PreallocationSize = source.Length;
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}
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var fs = new FileStream(path, fileStreamOptions);
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await using (fs.ConfigureAwait(false))
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{
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await source.CopyToAsync(fs, cancellationToken).ConfigureAwait(false);
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}
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if (_config.Configuration.SaveMetadataHidden)
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{
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SetHidden(path, true);
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}
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}
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finally
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{
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_libraryMonitor.ReportFileSystemChangeComplete(path, false);
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_libraryMonitor.ReportFileSystemChangeComplete(parentFolder, false);
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}
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}
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private void SetHidden(string path, bool hidden)
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{
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try
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{
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_fileSystem.SetHidden(path, hidden);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error setting hidden attribute on {0}", path);
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}
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}
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/// <summary>
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/// Gets the save paths.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="type">The type.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <param name="mimeType">Type of the MIME.</param>
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/// <param name="saveLocally">if set to <c>true</c> [save locally].</param>
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/// <returns>IEnumerable{System.String}.</returns>
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private string[] GetSavePaths(BaseItem item, ImageType type, int? imageIndex, string mimeType, bool saveLocally)
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{
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if (!saveLocally || (_config.Configuration.ImageSavingConvention == ImageSavingConvention.Legacy))
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{
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return new[] { GetStandardSavePath(item, type, imageIndex, mimeType, saveLocally) };
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}
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return GetCompatibleSavePaths(item, type, imageIndex, mimeType);
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}
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/// <summary>
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/// Gets the current image path.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="type">The type.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <returns>System.String.</returns>
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/// <exception cref="ArgumentNullException">
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/// imageIndex
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/// or
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/// imageIndex.
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/// </exception>
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private ItemImageInfo GetCurrentImage(BaseItem item, ImageType type, int imageIndex)
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{
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return item.GetImageInfo(type, imageIndex);
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}
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/// <summary>
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/// Sets the image path.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="type">The type.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <param name="path">The path.</param>
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/// <exception cref="ArgumentNullException">imageIndex
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/// or
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/// imageIndex.
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/// </exception>
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private void SetImagePath(BaseItem item, ImageType type, int? imageIndex, string path)
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{
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item.SetImagePath(type, imageIndex ?? 0, _fileSystem.GetFileInfo(path));
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}
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/// <summary>
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/// Gets the save path.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="type">The type.</param>
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/// <param name="imageIndex">Index of the image.</param>
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/// <param name="mimeType">Type of the MIME.</param>
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/// <param name="saveLocally">if set to <c>true</c> [save locally].</param>
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/// <returns>System.String.</returns>
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/// <exception cref="ArgumentNullException">
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/// imageIndex
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/// or
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/// imageIndex.
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/// </exception>
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private string GetStandardSavePath(BaseItem item, ImageType type, int? imageIndex, string mimeType, bool saveLocally)
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{
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var season = item as Season;
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var extension = MimeTypes.ToExtension(mimeType);
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if (string.IsNullOrWhiteSpace(extension))
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{
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throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, "Unable to determine image file extension from mime type {0}", mimeType));
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}
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if (string.Equals(extension, ".jpeg", StringComparison.OrdinalIgnoreCase))
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{
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extension = ".jpg";
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}
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extension = extension.ToLowerInvariant();
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if (type == ImageType.Primary && saveLocally)
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{
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if (season is not null && season.IndexNumber.HasValue)
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{
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var seriesFolder = season.SeriesPath;
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var seasonMarker = season.IndexNumber.Value == 0
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? "-specials"
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: season.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
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var imageFilename = "season" + seasonMarker + "-poster" + extension;
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return Path.Combine(seriesFolder, imageFilename);
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}
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}
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if (type == ImageType.Backdrop && saveLocally)
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{
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if (season is not null
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&& season.IndexNumber.HasValue
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&& (imageIndex is null || imageIndex == 0))
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{
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var seriesFolder = season.SeriesPath;
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var seasonMarker = season.IndexNumber.Value == 0
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? "-specials"
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: season.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
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var imageFilename = "season" + seasonMarker + "-fanart" + extension;
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return Path.Combine(seriesFolder, imageFilename);
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}
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}
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if (type == ImageType.Thumb && saveLocally)
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{
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if (season is not null && season.IndexNumber.HasValue)
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{
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var seriesFolder = season.SeriesPath;
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var seasonMarker = season.IndexNumber.Value == 0
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? "-specials"
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: season.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
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var imageFilename = "season" + seasonMarker + "-landscape" + extension;
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return Path.Combine(seriesFolder, imageFilename);
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}
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if (item.IsInMixedFolder)
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{
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return GetSavePathForItemInMixedFolder(item, type, "landscape", extension);
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}
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return Path.Combine(item.ContainingFolderPath, "landscape" + extension);
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}
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if (type == ImageType.Banner && saveLocally)
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{
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if (season is not null && season.IndexNumber.HasValue)
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{
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var seriesFolder = season.SeriesPath;
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var seasonMarker = season.IndexNumber.Value == 0
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? "-specials"
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: season.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
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var imageFilename = "season" + seasonMarker + "-banner" + extension;
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return Path.Combine(seriesFolder, imageFilename);
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}
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}
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string filename;
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var folderName = item is MusicAlbum ||
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item is MusicArtist ||
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item is PhotoAlbum ||
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item is Person ||
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(saveLocally && _config.Configuration.ImageSavingConvention == ImageSavingConvention.Legacy) ?
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"folder" :
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"poster";
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switch (type)
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{
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case ImageType.Art:
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filename = "clearart";
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break;
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case ImageType.BoxRear:
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filename = "back";
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break;
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case ImageType.Thumb:
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filename = "landscape";
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break;
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case ImageType.Disc:
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filename = item is MusicAlbum ? "cdart" : "disc";
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break;
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case ImageType.Primary:
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filename = saveLocally && item is Episode ? Path.GetFileNameWithoutExtension(item.Path) : folderName;
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break;
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case ImageType.Backdrop:
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filename = GetBackdropSaveFilename(item.GetImages(type), "backdrop", "backdrop", imageIndex);
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break;
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default:
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filename = type.ToString().ToLowerInvariant();
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break;
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}
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string path = null;
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if (saveLocally)
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{
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if (type == ImageType.Primary && item is Episode)
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{
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path = Path.Combine(Path.GetDirectoryName(item.Path), filename + "-thumb" + extension);
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}
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else if (item.IsInMixedFolder)
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{
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path = GetSavePathForItemInMixedFolder(item, type, filename, extension);
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}
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if (string.IsNullOrEmpty(path))
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{
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path = Path.Combine(item.ContainingFolderPath, filename + extension);
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}
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}
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// None of the save local conditions passed, so store it in our internal folders
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if (string.IsNullOrEmpty(path))
|
|
{
|
|
if (string.IsNullOrEmpty(filename))
|
|
{
|
|
filename = folderName;
|
|
}
|
|
|
|
path = Path.Combine(item.GetInternalMetadataPath(), filename + extension);
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
private string GetBackdropSaveFilename(IEnumerable<ItemImageInfo> images, string zeroIndexFilename, string numberedIndexPrefix, int? index)
|
|
{
|
|
if (index.HasValue && index.Value == 0)
|
|
{
|
|
return zeroIndexFilename;
|
|
}
|
|
|
|
var filenames = images.Select(i => Path.GetFileNameWithoutExtension(i.Path)).ToList();
|
|
|
|
var current = 1;
|
|
while (filenames.Contains(numberedIndexPrefix + current.ToString(CultureInfo.InvariantCulture), StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
current++;
|
|
}
|
|
|
|
return numberedIndexPrefix + current.ToString(CultureInfo.InvariantCulture);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the compatible save paths.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="type">The type.</param>
|
|
/// <param name="imageIndex">Index of the image.</param>
|
|
/// <param name="mimeType">Type of the MIME.</param>
|
|
/// <returns>IEnumerable{System.String}.</returns>
|
|
/// <exception cref="ArgumentNullException">imageIndex.</exception>
|
|
private string[] GetCompatibleSavePaths(BaseItem item, ImageType type, int? imageIndex, string mimeType)
|
|
{
|
|
var season = item as Season;
|
|
|
|
var extension = MimeTypes.ToExtension(mimeType);
|
|
|
|
// Backdrop paths
|
|
if (type == ImageType.Backdrop)
|
|
{
|
|
if (!imageIndex.HasValue)
|
|
{
|
|
throw new ArgumentNullException(nameof(imageIndex));
|
|
}
|
|
|
|
if (imageIndex.Value == 0)
|
|
{
|
|
if (item.IsInMixedFolder)
|
|
{
|
|
return new[] { GetSavePathForItemInMixedFolder(item, type, "fanart", extension) };
|
|
}
|
|
|
|
if (season is not null && season.IndexNumber.HasValue)
|
|
{
|
|
var seriesFolder = season.SeriesPath;
|
|
|
|
var seasonMarker = season.IndexNumber.Value == 0
|
|
? "-specials"
|
|
: season.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
|
|
|
|
var imageFilename = "season" + seasonMarker + "-fanart" + extension;
|
|
|
|
return new[] { Path.Combine(seriesFolder, imageFilename) };
|
|
}
|
|
|
|
return new[]
|
|
{
|
|
Path.Combine(item.ContainingFolderPath, "fanart" + extension)
|
|
};
|
|
}
|
|
|
|
var outputIndex = imageIndex.Value;
|
|
|
|
if (item.IsInMixedFolder)
|
|
{
|
|
return new[] { GetSavePathForItemInMixedFolder(item, type, "fanart" + outputIndex.ToString(CultureInfo.InvariantCulture), extension) };
|
|
}
|
|
|
|
var extraFanartFilename = GetBackdropSaveFilename(item.GetImages(ImageType.Backdrop), "fanart", "fanart", outputIndex);
|
|
|
|
var list = new List<string>
|
|
{
|
|
Path.Combine(item.ContainingFolderPath, "extrafanart", extraFanartFilename + extension)
|
|
};
|
|
|
|
if (EnableExtraThumbsDuplication)
|
|
{
|
|
list.Add(Path.Combine(item.ContainingFolderPath, "extrathumbs", "thumb" + outputIndex.ToString(CultureInfo.InvariantCulture) + extension));
|
|
}
|
|
|
|
return list.ToArray();
|
|
}
|
|
|
|
if (type == ImageType.Primary)
|
|
{
|
|
if (season is not null && season.IndexNumber.HasValue)
|
|
{
|
|
var seriesFolder = season.SeriesPath;
|
|
|
|
var seasonMarker = season.IndexNumber.Value == 0
|
|
? "-specials"
|
|
: season.IndexNumber.Value.ToString("00", CultureInfo.InvariantCulture);
|
|
|
|
var imageFilename = "season" + seasonMarker + "-poster" + extension;
|
|
|
|
return new[] { Path.Combine(seriesFolder, imageFilename) };
|
|
}
|
|
|
|
if (item is Episode)
|
|
{
|
|
var seasonFolder = Path.GetDirectoryName(item.Path);
|
|
|
|
var imageFilename = Path.GetFileNameWithoutExtension(item.Path) + "-thumb" + extension;
|
|
|
|
return new[] { Path.Combine(seasonFolder, imageFilename) };
|
|
}
|
|
|
|
if (item.IsInMixedFolder || item is MusicVideo)
|
|
{
|
|
return new[] { GetSavePathForItemInMixedFolder(item, type, string.Empty, extension) };
|
|
}
|
|
|
|
if (item is MusicAlbum || item is MusicArtist)
|
|
{
|
|
return new[] { Path.Combine(item.ContainingFolderPath, "folder" + extension) };
|
|
}
|
|
|
|
return new[] { Path.Combine(item.ContainingFolderPath, "poster" + extension) };
|
|
}
|
|
|
|
// All other paths are the same
|
|
return new[] { GetStandardSavePath(item, type, imageIndex, mimeType, true) };
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the save path for item in mixed folder.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="type">The type.</param>
|
|
/// <param name="imageFilename">The image filename.</param>
|
|
/// <param name="extension">The extension.</param>
|
|
/// <returns>System.String.</returns>
|
|
private string GetSavePathForItemInMixedFolder(BaseItem item, ImageType type, string imageFilename, string extension)
|
|
{
|
|
if (type == ImageType.Primary)
|
|
{
|
|
imageFilename = "poster";
|
|
}
|
|
|
|
var folder = Path.GetDirectoryName(item.Path);
|
|
|
|
return Path.Combine(folder, Path.GetFileNameWithoutExtension(item.Path) + "-" + imageFilename + extension);
|
|
}
|
|
}
|
|
}
|