1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#pragma warning disable CS1591
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Model.IO;
namespace MediaBrowser.Controller.Providers
{
public class DirectoryService : IDirectoryService
{
private readonly IFileSystem _fileSystem;
private readonly ConcurrentDictionary<string, FileSystemMetadata[]> _cache = new (StringComparer.Ordinal);
private readonly ConcurrentDictionary<string, FileSystemMetadata> _fileCache = new (StringComparer.Ordinal);
private readonly ConcurrentDictionary<string, List<string>> _filePathCache = new (StringComparer.Ordinal);
public DirectoryService(IFileSystem fileSystem)
{
_fileSystem = fileSystem;
}
public FileSystemMetadata[] GetFileSystemEntries(string path)
{
return _cache.GetOrAdd(path, (p, fileSystem) => fileSystem.GetFileSystemEntries(p).ToArray(), _fileSystem);
}
public List<FileSystemMetadata> GetFiles(string path)
{
var list = new List<FileSystemMetadata>();
var items = GetFileSystemEntries(path);
for (var i = 0; i < items.Length; i++)
{
var item = items[i];
if (!item.IsDirectory)
{
list.Add(item);
}
}
return list;
}
public FileSystemMetadata? GetFile(string path)
{
if (!_fileCache.TryGetValue(path, out var result))
{
var file = _fileSystem.GetFileInfo(path);
if (file.Exists)
{
result = file;
_fileCache.TryAdd(path, result);
}
}
return result;
}
public IReadOnlyList<string> GetFilePaths(string path)
=> GetFilePaths(path, false);
public IReadOnlyList<string> GetFilePaths(string path, bool clearCache, bool sort = false)
{
if (clearCache)
{
_filePathCache.TryRemove(path, out _);
}
var filePaths = _filePathCache.GetOrAdd(path, (p, fileSystem) => fileSystem.GetFilePaths(p).ToList(), _fileSystem);
if (sort)
{
filePaths.Sort();
}
return filePaths;
}
}
}
|
