public async Task <ActionResult <Column> > GetSingleColumn(int id)
{
try
{
var column = await ColumnService.GetSingleColumnAsync(id);
return(column != null ? column : NotFound());
}
catch (Exception e)
{
if (e is ArgumentNullException)
{
return(Problem("Database not found", statusCode: 500));
}
if (e is InvalidOperationException)
{
return(Problem("There is more than one column with the given id.", statusCode: 500));
}
else
{
return(Problem(statusCode: 500));
}
}
}