567 lines
21 KiB
C#
567 lines
21 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.IO;
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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.Entities.TV;
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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.Logging;
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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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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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private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
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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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/// <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="System.ArgumentNullException">mimeType</exception>
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public async Task SaveImage(IHasImages item, Stream source, string mimeType, ImageType type, int? imageIndex, CancellationToken cancellationToken)
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{
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if (string.IsNullOrEmpty(mimeType))
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{
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throw new ArgumentNullException("mimeType");
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}
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var saveLocally = item.SupportsLocalMetadata && item.IsSaveLocalMetadataEnabled() && !item.IsOwnedItem && !(item is Audio);
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if (item is User)
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{
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saveLocally = true;
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}
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if (item is IItemByName)
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{
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var hasDualAccess = item as IHasDualAccess;
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if (hasDualAccess == null || hasDualAccess.IsAccessedByName)
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{
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saveLocally = true;
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}
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}
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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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var locationType = item.LocationType;
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if (locationType == LocationType.Remote || locationType == LocationType.Virtual)
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{
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saveLocally = false;
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var season = item as Season;
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// If season is virtual under a physical series, save locally if using compatible convention
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if (season != null && _config.Configuration.ImageSavingConvention == ImageSavingConvention.Compatible)
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{
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var series = season.Series;
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if (series != 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 (!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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// 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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using (source)
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{
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await source.CopyToAsync(memoryStream).ConfigureAwait(false);
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}
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memoryStream.Position = 0;
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source = memoryStream;
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}
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var currentPath = GetCurrentImagePath(item, type, index);
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using (source)
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{
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var isFirst = true;
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foreach (var path in paths)
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{
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// Seek back to the beginning
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if (!isFirst)
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{
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source.Position = 0;
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}
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await SaveImageToLocation(source, path, cancellationToken).ConfigureAwait(false);
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isFirst = false;
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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, paths[0]);
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// Delete the current path
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if (!string.IsNullOrEmpty(currentPath) && !paths.Contains(currentPath, StringComparer.OrdinalIgnoreCase))
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{
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_libraryMonitor.ReportFileSystemChangeBeginning(currentPath);
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try
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{
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var currentFile = new FileInfo(currentPath);
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// This will fail if the file is hidden
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if (currentFile.Exists)
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{
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if ((currentFile.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
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{
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currentFile.Attributes &= ~FileAttributes.Hidden;
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}
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currentFile.Delete();
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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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/// <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.Debug("Saving image to {0}", path);
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var parentFolder = Path.GetDirectoryName(path);
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_libraryMonitor.ReportFileSystemChangeBeginning(path);
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_libraryMonitor.ReportFileSystemChangeBeginning(parentFolder);
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try
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{
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Directory.CreateDirectory(Path.GetDirectoryName(path));
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// If the file is currently hidden we'll have to remove that or the save will fail
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var file = new FileInfo(path);
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// This will fail if the file is hidden
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if (file.Exists)
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{
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if ((file.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
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{
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file.Attributes &= ~FileAttributes.Hidden;
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}
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}
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using (var fs = _fileSystem.GetFileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, true))
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{
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await source.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, cancellationToken).ConfigureAwait(false);
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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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/// <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(IHasImages item, ImageType type, int? imageIndex, string mimeType, bool saveLocally)
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{
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if (_config.Configuration.ImageSavingConvention == ImageSavingConvention.Legacy || !saveLocally)
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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="System.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 GetCurrentImagePath(IHasImages item, ImageType type, int imageIndex)
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{
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return item.GetImagePath(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="System.ArgumentNullException">imageIndex
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/// or
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/// imageIndex</exception>
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private void SetImagePath(IHasImages item, ImageType type, int? imageIndex, string path)
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{
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item.SetImagePath(type, imageIndex ?? 0, new FileInfo(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="System.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(IHasImages item, ImageType type, int? imageIndex, string mimeType, bool saveLocally)
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{
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string filename;
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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.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 = item is Episode ? _fileSystem.GetFileNameWithoutExtension(item.Path) : "folder";
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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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case ImageType.Screenshot:
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filename = GetBackdropSaveFilename(item.GetImages(type), "screenshot", "screenshot", imageIndex);
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break;
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default:
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filename = type.ToString().ToLower();
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break;
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}
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var extension = mimeType.Split('/').Last();
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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.ToLower();
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string path = null;
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if (saveLocally)
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{
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if (item is Episode)
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{
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path = Path.Combine(Path.GetDirectoryName(item.Path), "metadata", filename + 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))
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{
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if (string.IsNullOrEmpty(filename))
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{
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filename = "folder";
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}
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path = Path.Combine(_config.ApplicationPaths.GetInternalMetadataPath(item.Id), filename + extension);
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}
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return path;
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}
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private string GetBackdropSaveFilename(IEnumerable<ItemImageInfo> images, string zeroIndexFilename, string numberedIndexPrefix, int? index)
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{
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if (index.HasValue && index.Value == 0)
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{
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return zeroIndexFilename;
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}
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var filenames = images.Select(i => _fileSystem.GetFileNameWithoutExtension(i.Path)).ToList();
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var current = 1;
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while (filenames.Contains(numberedIndexPrefix + current.ToString(UsCulture), StringComparer.OrdinalIgnoreCase))
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{
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current++;
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}
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return numberedIndexPrefix + current.ToString(UsCulture);
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}
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/// <summary>
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/// Gets the compatible 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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/// <returns>IEnumerable{System.String}.</returns>
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/// <exception cref="System.ArgumentNullException">imageIndex</exception>
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private string[] GetCompatibleSavePaths(IHasImages item, ImageType type, int? imageIndex, string mimeType)
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{
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var season = item as Season;
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var extension = mimeType.Split('/').Last();
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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.ToLower();
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// Backdrop paths
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if (type == ImageType.Backdrop)
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{
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if (!imageIndex.HasValue)
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{
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throw new ArgumentNullException("imageIndex");
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}
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if (imageIndex.Value == 0)
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{
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if (item.IsInMixedFolder)
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{
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return new[] { GetSavePathForItemInMixedFolder(item, type, "fanart", extension) };
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}
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if (season != 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", UsCulture);
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var imageFilename = "season" + seasonMarker + "-fanart" + extension;
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return new[] { Path.Combine(seriesFolder, imageFilename) };
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}
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return new[]
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{
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Path.Combine(item.ContainingFolderPath, "fanart" + extension)
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};
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}
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var outputIndex = imageIndex.Value;
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if (item.IsInMixedFolder)
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{
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return new[] { GetSavePathForItemInMixedFolder(item, type, "fanart" + outputIndex.ToString(UsCulture), extension) };
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}
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var extraFanartFilename = GetBackdropSaveFilename(item.GetImages(ImageType.Backdrop), "fanart", "fanart", outputIndex);
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var list = new List<string>
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{
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Path.Combine(item.ContainingFolderPath, "extrafanart", extraFanartFilename + extension)
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};
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if (EnableExtraThumbsDuplication)
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{
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list.Add(Path.Combine(item.ContainingFolderPath, "extrathumbs", "thumb" + outputIndex.ToString(UsCulture) + extension));
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}
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return list.ToArray();
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}
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if (type == ImageType.Primary)
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{
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if (season != 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", UsCulture);
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var imageFilename = "season" + seasonMarker + "-poster" + extension;
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return new[] { Path.Combine(seriesFolder, imageFilename) };
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}
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if (item is Episode)
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{
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var seasonFolder = Path.GetDirectoryName(item.Path);
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var imageFilename = _fileSystem.GetFileNameWithoutExtension(item.Path) + "-thumb" + extension;
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return new[] { Path.Combine(seasonFolder, imageFilename) };
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}
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if (item.IsInMixedFolder || item is MusicVideo)
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{
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return new[] { GetSavePathForItemInMixedFolder(item, type, string.Empty, extension) };
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}
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if (item is MusicAlbum || item is MusicArtist)
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{
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return new[] { Path.Combine(item.ContainingFolderPath, "folder" + extension) };
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}
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return new[] { Path.Combine(item.ContainingFolderPath, "poster" + extension) };
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}
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if (type == ImageType.Banner)
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{
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if (season != 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", UsCulture);
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var imageFilename = "season" + seasonMarker + "-banner" + extension;
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return new[] { Path.Combine(seriesFolder, imageFilename) };
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}
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}
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if (type == ImageType.Thumb)
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{
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if (season != 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", UsCulture);
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var imageFilename = "season" + seasonMarker + "-landscape" + extension;
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return new[] { Path.Combine(seriesFolder, imageFilename) };
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}
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if (item.IsInMixedFolder)
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{
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return new[] { GetSavePathForItemInMixedFolder(item, type, "landscape", extension) };
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}
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return new[] { Path.Combine(item.ContainingFolderPath, "landscape" + extension) };
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}
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// All other paths are the same
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return new[] { GetStandardSavePath(item, type, imageIndex, mimeType, true) };
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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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/// Gets the save path for item in mixed folder.
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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="imageFilename">The image filename.</param>
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/// <param name="extension">The extension.</param>
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/// <returns>System.String.</returns>
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private string GetSavePathForItemInMixedFolder(IHasImages item, ImageType type, string imageFilename, string extension)
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|
{
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|
if (type == ImageType.Primary)
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|
{
|
|
imageFilename = "poster";
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|
}
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|
var folder = Path.GetDirectoryName(item.Path);
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|
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return Path.Combine(folder, _fileSystem.GetFileNameWithoutExtension(item.Path) + "-" + imageFilename + extension);
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|
}
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|
}
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|
}
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