public IActionResult DeleteValuePair(int chartId, int id)
{
if (!_chartRepository.ChartExists(chartId))
{
return(NotFound());
}
var valuePairEntity = _chartRepository.GetValuePairForChart(chartId, id);
if (valuePairEntity == null)
{
return(NotFound());
}
_chartRepository.DeleteValuePair(valuePairEntity);
if (!_chartRepository.Save())
{
return(StatusCode(500, "A problem happened while handling your request."));
}
return(NoContent());
}