public RestorePoint CreateBackup(RestorePoint lastPoint, List <string> objectsForBackup, BackupStoringAlgorithm storingAlgorithm)
{
var lastFullBackupPoint = lastPoint;
while (lastFullBackupPoint != null && !(lastFullBackupPoint is FullBackupPoint))
{
lastFullBackupPoint = lastFullBackupPoint.PreviousPoint;
}
if (lastFullBackupPoint == null)
{
throw new IncrementalBackupCannotBeFirstException();
}
var list = new Dictionary <string, FileRestoreCopyInfo>();
foreach (var filePath in objectsForBackup)
{
// Упрощение: Если нет, или изменился размер файла
if (!lastPoint.Info.ContainsKey(filePath) ||
lastPoint.Info[filePath].BackupSize != new FileInfo(filePath).Length)
{
var point = lastPoint;
while (!point.Info.ContainsKey(filePath) && !(point is FullBackupPoint))
{
point = point.PreviousPoint;
}
var size = new FileInfo(filePath).Length;
if (!point.Info.ContainsKey(filePath))
{
size = Math.Abs(size - point.Info[filePath].BackupSize);
}
list.Add(filePath, new FileRestoreCopyInfo(filePath, size, DateTimeProvider.Now, storingAlgorithm.BackupPath));
// storingAlgorithm.CopyFile(filePath);
}
}
if (list.Count == 0)
{
throw new NoChangesForIncrementalBackupException();
}
return(new IncrementalBackupPoint(lastPoint, list, DateTimeProvider.Now));
}
public RestorePoint CreateBackup(RestorePoint lastPoint, List <string> objectsForBackup, BackupStoringAlgorithm storingAlgorithm)
{
var list = new Dictionary <string, FileRestoreCopyInfo>();
foreach (var filePath in objectsForBackup)
{
list.Add(filePath, new FileRestoreCopyInfo(filePath, new FileInfo(filePath).Length, DateTimeProvider.Now, storingAlgorithm.BackupPath));
// storingAlgorithm.CopyFile(filePath);
}
return(new FullBackupPoint(lastPoint, list, DateTimeProvider.Now));
}