private static async Task <GetAuthorPlagiarismsResponse> GetAuthorPlagiarismsAsync(UserExerciseSubmission submission)
{
RemoveOldValuesFromCache();
var userId = Guid.Parse(submission.UserId);
var taskId = submission.SlideId;
var cacheKey = Tuple.Create(userId, taskId);
if (plagiarismsCache.TryGetValue(cacheKey, out var cachedValue))
{
return(cachedValue.Item2);
}
var value = await antiPlagiarismClient.GetAuthorPlagiarismsAsync(new GetAuthorPlagiarismsParameters
{
AuthorId = userId,
TaskId = taskId
}).ConfigureAwait(false);
plagiarismsCache.AddOrUpdate(cacheKey, key => Tuple.Create(DateTime.Now, value), (key, old) => Tuple.Create(DateTime.Now, value));
return(value);
}
