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Code Issues Releases Wiki Activity

Introduce new class MigratableStorage

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This commit is contained in:
Shivam 2020-06-16 17:39:20 +02:00
parent 02d66c4856
commit dd9697032c
2 changed files with 105 additions and 60 deletions
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70
osu.Game.Tournament/IO/TournamentStorage.cs
View File

@ -11,7 +11,7 @@ using osu.Game.Tournament.Configuration;
namespace osu.Game.Tournament.IO
{
public class TournamentStorage : WrappedStorage
public class TournamentStorage : MigratableStorage
{
private readonly Storage storage;
internal readonly TournamentVideoResourceStore VideoStore;
@ -52,8 +52,15 @@ namespace osu.Game.Tournament.IO
var destination = new DirectoryInfo(GetFullPath(default_tournament));
var cfgDestination = new DirectoryInfo(GetFullPath(default_tournament + Path.DirectorySeparatorChar + config_directory));
if (!destination.Exists)
destination.Create();
// if (!destination.Exists)
// destination.Create();
if (source.Exists)
{
Logger.Log("Migrating tournament assets to default tournament storage.");
copyRecursive(source, destination);
deleteRecursive(source);
}
if (!cfgDestination.Exists)
destination.CreateSubdirectory(config_directory);
@ -62,13 +69,6 @@ namespace osu.Game.Tournament.IO
moveFileIfExists("drawings.txt", destination);
moveFileIfExists("drawings_results.txt", destination);
moveFileIfExists("drawings.ini", cfgDestination);
if (source.Exists)
{
Logger.Log("Migrating tournament assets to default tournament storage.");
copyRecursive(source, destination);
deleteRecursive(source);
}
}
private void moveFileIfExists(string file, DirectoryInfo destination)
@ -81,55 +81,5 @@ namespace osu.Game.Tournament.IO
fileInfo.Delete();
}
}
private void copyRecursive(DirectoryInfo source, DirectoryInfo destination)
{
// based off example code https://docs.microsoft.com/en-us/dotnet/api/system.io.directoryinfo
foreach (System.IO.FileInfo fi in source.GetFiles())
{
attemptOperation(() => fi.CopyTo(Path.Combine(destination.FullName, fi.Name), true));
}
foreach (DirectoryInfo dir in source.GetDirectories())
{
copyRecursive(dir, destination.CreateSubdirectory(dir.Name));
}
}
private void deleteRecursive(DirectoryInfo target)
{
foreach (System.IO.FileInfo fi in target.GetFiles())
{
attemptOperation(() => fi.Delete());
}
foreach (DirectoryInfo dir in target.GetDirectories())
{
attemptOperation(() => dir.Delete(true));
}
if (target.GetFiles().Length == 0 && target.GetDirectories().Length == 0)
attemptOperation(target.Delete);
}
private void attemptOperation(Action action, int attempts = 10)
{
while (true)
{
try
{
action();
return;
}
catch (Exception)
{
if (attempts-- == 0)
throw;
}
Thread.Sleep(250);
}
}
}
}

95
osu.Game/IO/MigratableStorage.cs Normal file
View File

@ -0,0 +1,95 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.IO;
using System.Linq;
using System.Threading;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Game.Configuration;
namespace osu.Game.IO
{
public abstract class MigratableStorage : WrappedStorage
{
virtual protected string[] IGNORE_DIRECTORIES { get; set; } = Array.Empty<string>();
virtual protected string[] IGNORE_FILES { get; set; } = Array.Empty<string>();
public MigratableStorage(Storage storage, string subPath = null)
: base(storage, subPath)
{
}
protected void deleteRecursive(DirectoryInfo target, bool topLevelExcludes = true)
{
foreach (System.IO.FileInfo fi in target.GetFiles())
{
if (topLevelExcludes && IGNORE_FILES.Contains(fi.Name))
continue;
attemptOperation(() => fi.Delete());
}
foreach (DirectoryInfo dir in target.GetDirectories())
{
if (topLevelExcludes && IGNORE_DIRECTORIES.Contains(dir.Name))
continue;
attemptOperation(() => dir.Delete(true));
}
if (target.GetFiles().Length == 0 && target.GetDirectories().Length == 0)
attemptOperation(target.Delete);
}
protected void copyRecursive(DirectoryInfo source, DirectoryInfo destination, bool topLevelExcludes = true)
{
// based off example code https://docs.microsoft.com/en-us/dotnet/api/system.io.directoryinfo
if (!destination.Exists)
Directory.CreateDirectory(destination.FullName);
foreach (System.IO.FileInfo fi in source.GetFiles())
{
if (topLevelExcludes && IGNORE_FILES.Contains(fi.Name))
continue;
attemptOperation(() => fi.CopyTo(Path.Combine(destination.FullName, fi.Name), true));
}
foreach (DirectoryInfo dir in source.GetDirectories())
{
if (topLevelExcludes && IGNORE_DIRECTORIES.Contains(dir.Name))
continue;
copyRecursive(dir, destination.CreateSubdirectory(dir.Name), false);
}
}
/// <summary>
/// Attempt an IO operation multiple times and only throw if none of the attempts succeed.
/// </summary>
/// <param name="action">The action to perform.</param>
/// <param name="attempts">The number of attempts (250ms wait between each).</param>
protected static void attemptOperation(Action action, int attempts = 10)
{
while (true)
{
try
{
action();
return;
}
catch (Exception)
{
if (attempts-- == 0)
throw;
}
Thread.Sleep(250);
}
}
}
}