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fix multiple scan restarts when renaming collection

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This commit is contained in:
Luke Pulverenti 2013-11-04 11:26:49 -05:00
parent 8792ed9ab0
commit 4b886ea93f
2 changed files with 40 additions and 47 deletions
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38
MediaBrowser.Api/Library/LibraryHelpers.cs
View File

@ -21,44 +21,6 @@ namespace MediaBrowser.Api.Library
/// </summary>
private const string ShortcutFileSearch = "*" + ShortcutFileExtension;
/// <summary>
/// Renames the virtual folder.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="newName">The new name.</param>
/// <param name="user">The user.</param>
/// <param name="appPaths">The app paths.</param>
/// <exception cref="System.IO.DirectoryNotFoundException">The media collection does not exist</exception>
/// <exception cref="System.ArgumentException">There is already a media collection with the name + newPath + .</exception>
public static void RenameVirtualFolder(string name, string newName, User user, IServerApplicationPaths appPaths)
{
var rootFolderPath = user != null ? user.RootFolderPath : appPaths.DefaultUserViewsPath;
var currentPath = Path.Combine(rootFolderPath, name);
var newPath = Path.Combine(rootFolderPath, newName);
if (!Directory.Exists(currentPath))
{
throw new DirectoryNotFoundException("The media collection does not exist");
}
if (!string.Equals(currentPath, newPath, StringComparison.OrdinalIgnoreCase) && Directory.Exists(newPath))
{
throw new ArgumentException("There is already a media collection with the name " + newPath + ".");
}
//Only make a two-phase move when changing capitalization
if (string.Equals(currentPath, newPath, StringComparison.OrdinalIgnoreCase))
{
//Create an unique name
var temporaryName = Guid.NewGuid().ToString();
var temporaryPath = Path.Combine(rootFolderPath, temporaryName);
Directory.Move(currentPath,temporaryPath);
currentPath = temporaryPath;
}
Directory.Move(currentPath, newPath);
}
/// <summary>
/// Deletes a shortcut from within a virtual folder, within either the default view or a user view
/// </summary>

45
MediaBrowser.Api/Library/LibraryStructureService.cs
View File

@ -1,5 +1,4 @@
using System.IO;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.IO;
using MediaBrowser.Controller.Library;
@ -8,6 +7,7 @@ using MediaBrowser.Model.Logging;
using ServiceStack.ServiceHost;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
@ -302,21 +302,50 @@ namespace MediaBrowser.Api.Library
/// <param name="request">The request.</param>
public void Post(RenameVirtualFolder request)
{
_directoryWatchers.Stop();
string rootFolderPath;
try
{
if (string.IsNullOrEmpty(request.UserId))
{
LibraryHelpers.RenameVirtualFolder(request.Name, request.NewName, null, _appPaths);
rootFolderPath = _appPaths.DefaultUserViewsPath;
}
else
{
var user = _userManager.GetUserById(new Guid(request.UserId));
LibraryHelpers.RenameVirtualFolder(request.Name, request.NewName, user, _appPaths);
rootFolderPath = user.RootFolderPath;
}
var currentPath = Path.Combine(rootFolderPath, request.Name);
var newPath = Path.Combine(rootFolderPath, request.NewName);
if (!Directory.Exists(currentPath))
{
throw new DirectoryNotFoundException("The media collection does not exist");
}
if (!string.Equals(currentPath, newPath, StringComparison.OrdinalIgnoreCase) && Directory.Exists(newPath))
{
throw new ArgumentException("There is already a media collection with the name " + newPath + ".");
}
_directoryWatchers.Stop();
_directoryWatchers.TemporarilyIgnore(currentPath);
_directoryWatchers.TemporarilyIgnore(newPath);
try
{
// Only make a two-phase move when changing capitalization
if (string.Equals(currentPath, newPath, StringComparison.OrdinalIgnoreCase))
{
//Create an unique name
var temporaryName = Guid.NewGuid().ToString();
var temporaryPath = Path.Combine(rootFolderPath, temporaryName);
Directory.Move(currentPath, temporaryPath);
currentPath = temporaryPath;
}
Directory.Move(currentPath, newPath);
// Need to add a delay here or directory watchers may still pick up the changes
var task = Task.Delay(1000);
// Have to block here to allow exceptions to bubble
@ -325,6 +354,8 @@ namespace MediaBrowser.Api.Library
finally
{
_directoryWatchers.Start();
_directoryWatchers.RemoveTempIgnore(currentPath);
_directoryWatchers.RemoveTempIgnore(newPath);
}
if (request.RefreshLibrary)