private IBackupIndex GetUnstoredFiles(IBackupIndex existingIndex, IBackupIndex previousIndex)
{
if (previousIndex == null)
{
return(existingIndex);
}
var diffIndex = new BackupIndex();
var allPreviousFileHashes = previousIndex.GetAllNodeHashes();
foreach (var existingBackupSet in existingIndex.BackupSets)
{
var diffBackupSet = diffIndex.AddBackupSet(existingBackupSet.BasePath, existingBackupSet.Root.Name);
DiffBackupSets(existingBackupSet.Root, diffBackupSet.Root, allPreviousFileHashes);
}
return(diffIndex);
}
private IBackupIndex GetNewBackupIndex()
{
var newBackupIndex = new BackupIndex();
var directoriesToBackup = Catalog.GetDirectories();
foreach (var directory in directoriesToBackup)
{
var backupDirectory = BackupIOFactory.GetBackupDirectory(directory);
var newBranch = new Branch(backupDirectory.Name);
var root = GetTree(backupDirectory, newBranch);
var newBackupSet = new BackupSet(backupDirectory.FullName, backupDirectory.Name)
{
Root = root
};
newBackupIndex.BackupSets.Add(newBackupSet);
}
return(newBackupIndex);
}