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94 lines
2.8 KiB
C#
94 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using MediaBrowser.Model.IO;
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using Microsoft.Extensions.Logging;
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namespace MediaBrowser.Controller.Providers
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{
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public class DirectoryService : IDirectoryService
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{
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private readonly ILogger _logger;
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private readonly IFileSystem _fileSystem;
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private readonly Dictionary<string, FileSystemMetadata[]> _cache = new Dictionary<string, FileSystemMetadata[]>(StringComparer.OrdinalIgnoreCase);
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private readonly Dictionary<string, FileSystemMetadata> _fileCache = new Dictionary<string, FileSystemMetadata>(StringComparer.OrdinalIgnoreCase);
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private readonly Dictionary<string, List<string>> _filePathCache = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
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public DirectoryService(ILogger logger, IFileSystem fileSystem)
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{
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_logger = logger;
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_fileSystem = fileSystem;
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}
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public FileSystemMetadata[] GetFileSystemEntries(string path)
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{
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if (!_cache.TryGetValue(path, out FileSystemMetadata[] entries))
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{
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//_logger.LogDebug("Getting files for " + path);
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entries = _fileSystem.GetFileSystemEntries(path).ToArray();
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//_cache.TryAdd(path, entries);
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_cache[path] = entries;
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}
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return entries;
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}
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public List<FileSystemMetadata> GetFiles(string path)
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{
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var list = new List<FileSystemMetadata>();
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var items = GetFileSystemEntries(path);
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foreach (var item in items)
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{
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if (!item.IsDirectory)
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{
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list.Add(item);
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}
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}
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return list;
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}
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public FileSystemMetadata GetFile(string path)
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{
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if (!_fileCache.TryGetValue(path, out FileSystemMetadata file))
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{
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file = _fileSystem.GetFileInfo(path);
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if (file != null && file.Exists)
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{
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//_fileCache.TryAdd(path, file);
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_fileCache[path] = file;
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}
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else
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{
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return null;
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}
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}
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return file;
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//return _fileSystem.GetFileInfo(path);
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}
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public List<string> GetFilePaths(string path)
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{
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return GetFilePaths(path, false);
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}
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public List<string> GetFilePaths(string path, bool clearCache)
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{
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if (clearCache || !_filePathCache.TryGetValue(path, out List<string> result))
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{
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result = _fileSystem.GetFilePaths(path).ToList();
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_filePathCache[path] = result;
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}
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return result;
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}
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}
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}
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