private bool BackupDB(bool force = false)
{
string backupFilepath;
DateTime now = DateTime.UtcNow;
if (!force && lastBackup.Date + maxDaysWithoutBackup >= now)
{
return(true);
}
backupFilepath = DBFile + ".backup";
try {
if (File.Exists(backupFilepath))
{
File.Delete(backupFilepath);
}
File.Copy(DBFile, backupFilepath);
Log.Debug("Created backup for database at ", backupFilepath);
lastBackup = new BackupDate {
Date = now
};
UpdateBackupDate(false);
return(true);
} catch (Exception ex) {
Log.Error("Could not create backup");
Log.Exception(ex);
return(false);
}
}
private void GetBackupDate()
{
lastBackup = GetObject <BackupDate> ();
if (lastBackup == null)
{
lastBackup = new BackupDate {
Date = DateTime.UtcNow
};
UpdateBackupDate(true);
}
Log.Information("DB last backup: " + lastBackup.Date.ToShortDateString());
}
private void UpdateBackupDate(bool create)
{
IObjectContainer db = Db4oFactory.OpenFile(DBFile);
try {
IQuery query = db.Query();
query.Constrain(typeof(BackupDate));
IObjectSet result = query.Execute();
while (result.HasNext())
{
BackupDate date = result.Next() as BackupDate;
db.Delete(date);
}
db.Store(lastBackup);
} finally {
db.Close();
}
}
private void CreateNewDB()
{
// Create new DB and add version and last backup date
IObjectContainer db = Db4oFactory.OpenFile(DBFile);
try {
dbVersion = new Version(Constants.DB_MAYOR_VERSION, Constants.DB_MINOR_VERSION);
lastBackup = new BackupDate {
Date = DateTime.UtcNow
};
db.Store(dbVersion);
db.Store(lastBackup);
Log.Information("Created new database:" + DBFile);
}
finally {
db.Close();
}
}
private void BackupDB()
{
string backupFilepath;
DateTime now = DateTime.UtcNow;
if (lastBackup.Date + maxDaysWithoutBackup >= now)
{
return;
}
backupFilepath = Path.Combine(Config.DBDir(), backupFilename);
if (File.Exists(backupFilepath))
{
File.Delete(backupFilepath);
}
File.Move(file, backupFilepath);
Log.Information("Created backup for database at ", backupFilename);
lastBackup = new BackupDate {
Date = now
};
UpdateBackupDate();
}