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using MediaBrowser.Controller;
using System;
using System.IO;
using System.Linq;
using CommonIO;
namespace MediaBrowser.Api.Library
{
/// <summary>
/// Class LibraryHelpers
/// </summary>
public static class LibraryHelpers
{
/// <summary>
/// The shortcut file extension
/// </summary>
private const string ShortcutFileExtension = ".mblink";
/// <summary>
/// The shortcut file search
/// </summary>
private const string ShortcutFileSearch = "*" + ShortcutFileExtension;
/// <summary>
/// Deletes a shortcut from within a virtual folder, within either the default view or a user view
/// </summary>
/// <param name="fileSystem">The file system.</param>
/// <param name="virtualFolderName">Name of the virtual folder.</param>
/// <param name="mediaPath">The media path.</param>
/// <param name="appPaths">The app paths.</param>
/// <exception cref="System.IO.DirectoryNotFoundException">The media folder does not exist</exception>
public static void RemoveMediaPath(IFileSystem fileSystem, string virtualFolderName, string mediaPath, IServerApplicationPaths appPaths)
{
if (string.IsNullOrWhiteSpace(mediaPath))
{
throw new ArgumentNullException("mediaPath");
}
var rootFolderPath = appPaths.DefaultUserViewsPath;
var path = Path.Combine(rootFolderPath, virtualFolderName);
if (!fileSystem.DirectoryExists(path))
{
throw new DirectoryNotFoundException(string.Format("The media collection {0} does not exist", virtualFolderName));
}
var shortcut = Directory.EnumerateFiles(path, ShortcutFileSearch, SearchOption.AllDirectories).FirstOrDefault(f => fileSystem.ResolveShortcut(f).Equals(mediaPath, StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrEmpty(shortcut))
{
fileSystem.DeleteFile(shortcut);
}
}
/// <summary>
/// Adds an additional mediaPath to an existing virtual folder, within either the default view or a user view
/// </summary>
/// <param name="fileSystem">The file system.</param>
/// <param name="virtualFolderName">Name of the virtual folder.</param>
/// <param name="path">The path.</param>
/// <param name="appPaths">The app paths.</param>
public static void AddMediaPath(IFileSystem fileSystem, string virtualFolderName, string path, IServerApplicationPaths appPaths)
{
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentNullException("path");
}
if (!fileSystem.DirectoryExists(path))
{
throw new DirectoryNotFoundException("The path does not exist.");
}
var rootFolderPath = appPaths.DefaultUserViewsPath;
var virtualFolderPath = Path.Combine(rootFolderPath, virtualFolderName);
var shortcutFilename = fileSystem.GetFileNameWithoutExtension(path);
var lnk = Path.Combine(virtualFolderPath, shortcutFilename + ShortcutFileExtension);
while (fileSystem.FileExists(lnk))
{
shortcutFilename += "1";
lnk = Path.Combine(virtualFolderPath, shortcutFilename + ShortcutFileExtension);
}
fileSystem.CreateShortcut(lnk, path);
}
}
}
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