public void CreateNewVersionOfFile(File file, Stream inputStream)
{
using (var db = DbHelper.CreateConnection())
{
var lastVersion =
db.Select <FileVersion>(version => version.FileId == file.Id)
.OrderByDescending(version => version.Id).FirstOrDefault();
CreateNewVersion(lastVersion == null ? 1 : lastVersion.VersionNumber + 1, file, inputStream, db);
}
}
private void CreateNewVersion(int versionNumber, File file, Stream inputStream, IDbConnection db)
{
byte[] binaryFile;
using (var stream = new MemoryStream())
{
inputStream.CopyTo(stream);
binaryFile = stream.ToArray();
}
var version = new FileVersion
{
File = binaryFile,
FileId = file.Id,
VersionNumber = versionNumber
};
db.Insert(version);
}
public void CreateNewFile(File file, Stream inputStream)
{
using (var db = DbHelper.CreateConnection())
{
var transaction = db.BeginTransaction();
try
{
db.Insert(file);
file.Id = (int)db.GetLastInsertId();
CreateNewVersion(1, file, inputStream, db);
transaction.Commit();
}
catch (Exception)
{
transaction.Rollback();
throw;
}
}
}
public void CreateDocument(Stream inputStream, int profileName, string fileName)
{
File file = _documentRepository.GetFileByNameAndFolder(fileName, _sessionHelper.CurrentFolder.FolderId);
if (file != null)
{
_documentRepository.CreateNewVersionOfFile(file, inputStream);
}
else
{
_documentRepository.CreateNewFile(new File
{
FolderId = _sessionHelper.CurrentFolder.FolderId,
FileName = fileName,
CreateDate = DateTime.Now,
Owner = _sessionHelper.CurrentUser.Id
}, inputStream);
}
}