public HistoryDto Load_history_by_id(string id)
{
var history = _repo.Load_history_by_id(id);
return(new HistoryDto {
ExpirationDate = _repo.Calculate_expiration_date(history.LastUsed),
Id = history.Id,
Email = history.Email,
Name = history.Name,
HistoricalData = history.HistoricalData.Select(d => new DatapointDto {
Value = d.Value, Tags = d.Tags
}).ToArray(),
Tags = history.Compile_tags()
});
}