public void Save()
{
using (var context = _repository.NameOrConnectionString == null ? new SqlContext() : new SqlContext(_repository.NameOrConnectionString))
{
var backup = new Backup
{
Name = Name = GetRandomName (),
CreationDate = CreationDate,
Creator = Creator,
Description = Description,
ParentSqlBackup = ParentBackup == null ? null : context.Backups.Single(a => a.Name == ParentBackup.Name),
Blobs = new EntityCollection<Blob> (),
DeletedFiles = new EntityCollection<DeletedFile> ()
};
foreach (var file in _files)
{
var hashStream = new MemoryStream(file.Value.ToArray ());
var blob = new Blob
{
Backup = backup,
Path = file.Key,
Hash = FileHelpers.CalculateHash(hashStream),
};
var blobData = new BlobData
{
Blob = blob,
Data = hashStream.ToArray ()
};
blob.BlobData = blobData;
backup.Blobs.Add(blob);
context.Blobs.Add(blob);
context.BlobDatas.Add(blobData);
}
foreach (var fileDeletion in _fileDeletions)
{
var deletedFile = new DeletedFile
{
Backup = backup,
Path = fileDeletion
};
backup.DeletedFiles.Add(deletedFile);
context.DeletedFiles.Add(deletedFile);
}
context.Backups.Add(backup);
context.SaveChanges ();
}
}
public EntityBackup(EntityRepository repository, int id)
{
_context = (_repository = repository).NameOrConnectionString != null ? new SqlContext(repository.NameOrConnectionString) : new SqlContext ();
_backup = _context.Backups.Single(a => a.BackupId == id);
}