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Added BackupUnit.cs becauase Git ?????

pull/46/head
Anairkoen Schno 6 years ago
parent
commit
9aeb75f756
1 changed files with 126 additions and 0 deletions
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      IllusionInjector/Updating/Backup/BackupUnit.cs

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IllusionInjector/Updating/Backup/BackupUnit.cs View File

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using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Text;
namespace IllusionInjector.Updating.Backup
{
/// <summary>
/// A unit for backup. WIP.
/// </summary>
internal class BackupUnit
{
public string Name { get; private set; }
private DirectoryInfo _BackupPath;
private List<string> _Files = new List<string>();
public BackupUnit(string backupPath) : this(backupPath, DateTime.Now.ToString("yyyy-MM-dd_h-mm-ss"))
{
}
public BackupUnit(string backupPath, string name)
{
Name = name;
_BackupPath = new DirectoryInfo(Path.Combine(backupPath, Name));
}
public static BackupUnit FromDirectory(DirectoryInfo directory, string backupPath)
{
var unit = new BackupUnit(backupPath, directory.Name);
// Parse directory
foreach(var file in directory.GetFiles("*", SearchOption.AllDirectories)) {
var relativePath = file.FullName.Substring(directory.FullName.Length + 1);
unit._Files.Add(relativePath);
}
return unit;
}
public void Add(string file)
{
Add(new FileInfo(file));
}
internal void Delete()
{
_BackupPath.Delete(true);
}
/// <summary>
/// Adds a file to the list of changed files and backups it.
/// </summary>
/// <param name="path"></param>
public void Add(FileInfo file)
{
/*if(!file.FullName.StartsWith(_Context.ProjectRoot))
{
Console.Error.WriteLine("Invalid file path for backup! {0}", file);
return;
}*/
var relativePath = new Uri(Environment.CurrentDirectory, UriKind.Absolute).MakeRelativeUri(new Uri(file.FullName)).ToString();//file.FullName.Substring(_Context.ProjectRoot.Length + 1);
var backupPath = new FileInfo(Path.Combine(_BackupPath.FullName, relativePath));
if(_Files.Contains(relativePath))
{
Console.WriteLine("Skipping backup of {0}", relativePath);
return;
}
// Copy over
backupPath.Directory.Create();
if (file.Exists)
{
file.CopyTo(backupPath.FullName);
} else
{
// Make empty file
backupPath.Create().Close();
}
// Add to list
_Files.Add(relativePath);
}
/// <summary>
/// Reverts the changes made in this unit.
/// </summary>
public void Restore()
{
foreach(var relativePath in _Files)
{
Console.WriteLine("Restoring {0}", relativePath);
// Original version
var backupFile = new FileInfo(Path.Combine(_BackupPath.FullName, relativePath));
var target = new FileInfo(Path.Combine(Environment.CurrentDirectory, relativePath));
if (backupFile.Exists)
{
if (backupFile.Length > 0)
{
Console.WriteLine(" {0} => {1}", backupFile.FullName, target.FullName);
target.Directory.Create();
backupFile.CopyTo(target.FullName, true);
} else
{
Console.WriteLine(" x {0}", target.FullName);
if(target.Exists)
{
target.Delete();
}
}
} else {
Console.Error.WriteLine("Backup not found!");
}
}
}
}
}

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