{ // Метод восстанавливающий состояние файла из бекапа сформированного BackupHandler
public static byte[] Restore(byte[] file1, string workDirectory, CMapObject differences)
{
string type = differences.action;
int[] adress = differences.changesAdress;
byte[] result = default;
byte[] buffer = default;
if (differences.rawAdress != null)
{
buffer = File.ReadAllBytes($"{workDirectory}\\{differences.rawAdress}");
}
switch (type)
{
case ("replace"):
result = Replace(file1, adress, buffer);
break;
case ("remove"):
result = Remove(file1, adress);
break;
case ("insert"):
result = Insert(file1, adress, buffer);
break;
}
return(result);
}
public static void ApplyChangesToFilesList(List <string> neededBackups, List <FileObject> files, string workDirectory, bool onlyNames = false)
{ // Метод проходящийся по списку обновлений и применяющий их к относящимся файлам
foreach (string backup in neededBackups)
{
if (Directory.GetFiles(backup).Contains($@"{backup}\changes"))
{
ChangesObject changes = JsonConvert.DeserializeObject <ChangesObject>(GetMapOrChanges($@"{backup}\changes"));
for (int i = 0; i < files.Count; i++)
{
if (files[i] != null && files[i].path == changes.path)
{
if (changes.action == "remove")
{
files[i] = null;
}
else
{
files[i].path = changes.newPath;
}
}
}
}
else if (Directory.GetFiles(backup).Contains($@"{backup}\multipleChanges"))
{
List <ChangesObject> multipleChanges = JsonConvert.DeserializeObject <List <ChangesObject> >(GetMapOrChanges($"{backup}\\multipleChanges"));
foreach (ChangesObject changes in multipleChanges)
{
for (int i = 0; i < files.Count; i++)
{
if (files[i] != null && files[i].path == changes.path)
{
if (changes.action == "remove")
{
files[i] = null;
}
else
{
files[i].path = changes.newPath;
}
}
}
}
}
else if (Directory.GetFiles(backup).Contains($@"{backup}\cmap"))
{
if (!onlyNames)
{
CMapObject changesMap = JsonConvert.DeserializeObject <CMapObject>(GetMapOrChanges($@"{backup}\cmap"));
for (int i = 0; i < files.Count; i++)
{
if (files[i] != null && changesMap.path == files[i].path)
{
files[i].body = RestoreHandler.Restore(files[i].body, workDirectory, changesMap);
}
}
}
}
else if (Directory.GetFiles(backup).Contains($@"{backup}\map"))
{
Dictionary <string, string> map = JsonConvert.DeserializeObject <Dictionary <string, string> >(GetMapOrChanges($@"{backup}\map"));
if (!onlyNames)
{
foreach (string name in map.Keys)
{
files.Add(new FileObject(name, File.ReadAllBytes($"{workDirectory}\\{map[name]}")));
}
}
else
{
foreach (string name in map.Keys)
{
files.Add(new FileObject(name, null));
}
}
}
}
}
