C# IDirectoryService.GetFileSystemEntries方法代码示例

        public List<LocalImageInfo> GetImages(IHasImages item, IDirectoryService directoryService)
        {
            var parentPath = Path.GetDirectoryName(item.Path);

            var parentPathFiles = directoryService.GetFileSystemEntries(parentPath)
                .ToList();

            var nameWithoutExtension = _fileSystem.GetFileNameWithoutExtension(item.Path);

            var files = GetFilesFromParentFolder(nameWithoutExtension, parentPathFiles);

            if (files.Count > 0)
            {
                return files;
            }

            var metadataPath = Path.Combine(parentPath, "metadata");

            if (parentPathFiles.Any(i => string.Equals(i.FullName, metadataPath, StringComparison.OrdinalIgnoreCase)))
            {
                return GetFilesFromParentFolder(nameWithoutExtension, directoryService.GetFiles(metadataPath));
            }

            return new List<LocalImageInfo>();
        }

        private IEnumerable<FileSystemInfo> GetFiles(IHasImages item, bool includeDirectories, IDirectoryService directoryService)
        {
            if (item.LocationType != LocationType.FileSystem)
            {
                return new List<FileSystemInfo>();
            }

            var path = item.ContainingFolderPath;

            if (includeDirectories)
            {
                return directoryService.GetFileSystemEntries(path)
                .Where(i => BaseItem.SupportedImageExtensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase) ||
                (i.Attributes & FileAttributes.Directory) == FileAttributes.Directory);
            }

            return directoryService.GetFiles(path)
                .Where(i => BaseItem.SupportedImageExtensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase));
        }

        private IEnumerable<FileSystemMetadata> GetFiles(IHasImages item, bool includeDirectories, IDirectoryService directoryService)
        {
            if (item.LocationType != LocationType.FileSystem)
            {
                return new List<FileSystemMetadata>();
            }

            var path = item.ContainingFolderPath;

            if (includeDirectories)
            {
                return directoryService.GetFileSystemEntries(path)
                .Where(i => BaseItem.SupportedImageExtensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase) || i.IsDirectory)

                .OrderBy(i => BaseItem.SupportedImageExtensionsList.IndexOf(i.Extension ?? string.Empty));
            }

            return directoryService.GetFiles(path)
                .Where(i => BaseItem.SupportedImageExtensions.Contains(i.Extension, StringComparer.OrdinalIgnoreCase))
                .OrderBy(i => BaseItem.SupportedImageExtensionsList.IndexOf(i.Extension ?? string.Empty));
        }

        /// <summary>
        /// Gets the filtered file system entries.
        /// </summary>
        /// <param name="directoryService">The directory service.</param>
        /// <param name="path">The path.</param>
        /// <param name="fileSystem">The file system.</param>
        /// <param name="logger">The logger.</param>
        /// <param name="args">The args.</param>
        /// <param name="flattenFolderDepth">The flatten folder depth.</param>
        /// <param name="resolveShortcuts">if set to <c>true</c> [resolve shortcuts].</param>
        /// <returns>Dictionary{System.StringFileSystemInfo}.</returns>
        /// <exception cref="System.ArgumentNullException">path</exception>
        public static Dictionary<string, FileSystemMetadata> GetFilteredFileSystemEntries(IDirectoryService directoryService,
            string path,
            IFileSystem fileSystem,
            ILogger logger,
            ItemResolveArgs args,
            int flattenFolderDepth = 0,
            bool resolveShortcuts = true)
        {
            if (string.IsNullOrEmpty(path))
            {
                throw new ArgumentNullException("path");
            }
            if (args == null)
            {
                throw new ArgumentNullException("args");
            }

            if (!resolveShortcuts && flattenFolderDepth == 0)
            {
                return directoryService.GetFileSystemDictionary(path);
            }

            var entries = directoryService.GetFileSystemEntries(path);

            var dict = new Dictionary<string, FileSystemMetadata>(StringComparer.OrdinalIgnoreCase);

            foreach (var entry in entries)
            {
                var isDirectory = entry.IsDirectory;

                var fullName = entry.FullName;

                if (resolveShortcuts && fileSystem.IsShortcut(fullName))
                {
                    try
                    {
                        var newPath = fileSystem.ResolveShortcut(fullName);

                        if (string.IsNullOrWhiteSpace(newPath))
                        {
                            //invalid shortcut - could be old or target could just be unavailable
                            logger.Warn("Encountered invalid shortcut: " + fullName);
                            continue;
                        }

                        // Don't check if it exists here because that could return false for network shares.
                        var data = fileSystem.GetDirectoryInfo(newPath);

                        // add to our physical locations
                        args.AddAdditionalLocation(newPath);

                        dict[newPath] = data;
                    }
                    catch (Exception ex)
                    {
                        logger.ErrorException("Error resolving shortcut from {0}", ex, fullName);
                    }
                }
                else if (flattenFolderDepth > 0 && isDirectory)
                {
                    foreach (var child in GetFilteredFileSystemEntries(directoryService, fullName, fileSystem, logger, args, flattenFolderDepth: flattenFolderDepth - 1, resolveShortcuts: resolveShortcuts))
                    {
                        dict[child.Key] = child.Value;
                    }
                }
                else
                {
                    dict[fullName] = entry;
                }
            }

            return dict;
        }

        /// <summary>
        /// Determines whether [is season folder] [the specified path].
        /// </summary>
        /// <param name="path">The path.</param>
        /// <param name="directoryService">The directory service.</param>
        /// <param name="fileSystem">The file system.</param>
        /// <returns><c>true</c> if [is season folder] [the specified path]; otherwise, <c>false</c>.</returns>
        private static bool IsSeasonFolder(string path, IDirectoryService directoryService, IFileSystem fileSystem)
        {
            var seasonNumber = GetSeasonNumberFromPath(path);
            var hasSeasonNumber = seasonNumber != null;

            if (!hasSeasonNumber)
            {
                return false;
            }

            // It's a season folder if it's named as such and does not contain any audio files, apart from theme.mp3
            foreach (var fileSystemInfo in directoryService.GetFileSystemEntries(path))
            {
                var attributes = fileSystemInfo.Attributes;

                if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
                {
                    continue;
                }

                // Can't enforce this because files saved by Bitcasa are always marked System
                //if ((attributes & FileAttributes.System) == FileAttributes.System)
                //{
                //    continue;
                //}

                if ((attributes & FileAttributes.Directory) == FileAttributes.Directory)
                {
                    //if (IsBadFolder(fileSystemInfo.Name))
                    //{
                    //    return false;
                    //}
                }
                else
                {
                    if (EntityResolutionHelper.IsAudioFile(fileSystemInfo.FullName) &&
                        !string.Equals(fileSystem.GetFileNameWithoutExtension(fileSystemInfo), BaseItem.ThemeSongFilename))
                    {
                        return false;
                    }
                }
            }

            return true;
        }