public virtual async Task <MoodleGradebookColumn> CreateColumnAsync(string title, float maximumScore, string tag = null)
{
// Title must not be null
if (title == null)
{
throw new ArgumentNullException(nameof(title));
}
// Score must be positive
if (maximumScore < 0)
{
throw new ArgumentOutOfRangeException(nameof(maximumScore), "The maximum score must not be negative.");
}
// Create line item
var lineItem = new MoodleLtiLineItem
{
Label = title,
ResourceLinkId = _resourceLinkId,
ScoreMaximum = maximumScore,
Tag = tag
};
int id = await _ltiApi.CreateLineItemAsync(lineItem);
// Retrieve and return created line item
var createdLineItem = await _ltiApi.GetLineItemAsync(id);
return(new MoodleGradebookColumn(createdLineItem));
}
