public virtual async Task SetGradeAsync(int columnId, int userId, MoodleGradebookGrade grade)
{
// Sanity check
if (grade.Score < 0)
{
throw new ArgumentOutOfRangeException(nameof(grade.Score), "The score must not be negative.");
}
// Retrieve affected column
var column = await GetColumnAsync(columnId);
// Prepare score object
var score = new MoodleLtiScore
{
UserId = userId.ToString(),
ScoreGiven = grade.Score,
Comment = grade.Comment,
Timestamp = grade.Timestamp,
ScoreMaximum = column.MaximumScore,
ActivityProgress = ActivityProgressStatus.Completed,
GradingProgress = GradingProgressStatus.FullyGraded
};
// Store score
await _ltiApi.UpdateScoreAsync(columnId, score);
}
public async Task UpdateScoreAsync(int lineItemId, MoodleLtiScore score)
{
// Build URL
string url = $"{_serviceUrl}/lineitems/{lineItemId}/scores?{_queryStringPrefix}";
// Serialize and send score
string serializedScore = JsonConvert.SerializeObject(score, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
});
await DoPostRequestAsync(url, serializedScore, "application/vnd.ims.lis.v1.score+json", new[] { HttpStatusCode.OK });
}
public Task UpdateScoreAsync(int lineItemId, MoodleLtiScore score)
{
if (!_lineItems.ContainsKey(lineItemId))
{
throw new MoodleLtiException(nameof(UpdateScoreAsync));
}
var lid = _lineItems[lineItemId];
if (!lid.Scores.TryGetValue(score.UserId, out var s))
{
s = new MoodleLtiScore();
}
s.ActivityProgress = score.ActivityProgress;
s.Comment = score.Comment;
s.GradingProgress = score.GradingProgress;
s.ScoreGiven = score.ScoreGiven;
s.ScoreMaximum = score.ScoreMaximum;
s.Timestamp = score.Timestamp;
return(Task.CompletedTask);
}
