public void BackupDatabase(IWrapperProvider wrapperProvider, string path)
{
IPathWrapper pathWrapper = wrapperProvider.GetWrapper <IPathWrapper>();
IDirectoryWrapper directoryWrapper = wrapperProvider.GetWrapper <IDirectoryWrapper>();
IFileWrapper fileWrapper = wrapperProvider.GetWrapper <IFileWrapper>();
//copy data.xml to data.xml.bak
//copy data.xml to data_date.bak - it will override last dayily backup. first run of day will create new one
string backupFileName = pathWrapper.GetFileNameWithoutExtension(path) + DateTime.Now.ToString("yyyyMMdd");
string backupPath = pathWrapper.Combine(
pathWrapper.GetDirectoryName(path),
backupFileName);
backupPath = pathWrapper.ChangeExtension(backupPath, pathWrapper.GetExtension(path));
bool backupExists = File.Exists(backupPath);
File.Copy(path, backupPath, true);
if (!backupExists)
{
ManageBackups(path, pathWrapper, directoryWrapper, fileWrapper);
}
}
public void ManageBackups(
string path,
IPathWrapper pathWrapper,
IDirectoryWrapper directoryWrapper,
IFileWrapper fileWrapper)
{
string dataFileFilter = Path.ChangeExtension(
string.Format("{0}*", Path.GetFileNameWithoutExtension(DataFile)),
Path.GetExtension(DataFile));
var backupFiles = directoryWrapper.EnumerateFiles(
pathWrapper.GetDirectoryName(path),
dataFileFilter).Where(f => f != FullDataFilePath).OrderByDescending(f => f);
//first save of day - delete old backups
int backupcount = backupFiles.Count();
int skipfiles = 7; //backups to keep
if (backupcount > skipfiles)
{
foreach (string s in backupFiles.Skip(skipfiles))
{
fileWrapper.Delete(s);
}
}
}
private void CreateDirectoryIfNotExists(string path)
{
_directoryWrapper.CreateDirectory(_pathWrapper.GetDirectoryName(path));
}