public void Merge(string otherFilePath)
{
var ourRecords = ReadAllRecords();
// read all other records
var otherDirary = new Diary();
otherDirary.OpenDiary(otherFilePath);
if (!_header.Equals(otherDirary._header))
{
throw new ApplicationException("Different headers, cannot merge");
}
otherDirary._rsa = _rsa;
otherDirary.IsLocked = false;
var otherRecords = otherDirary.ReadAllRecords();
var merged = ourRecords.Concat(otherRecords).Distinct().OrderBy(r => r.Created).ToList();
_fileStream.Seek(_headerLength + 4, SeekOrigin.Begin);
WriteRecords(merged);
_fileStream.SetLength(_fileStream.Position);
}
