private static bool IsTimerOut(Exercise task, IList <ExerciseResult> candidateExerciseResults)
{
if (task == null || candidateExerciseResults == null)
{
return(false);
}
var result = candidateExerciseResults.FirstOrDefault(res => res.CandidateExerciseId == task.Id);
if (result == null || result.Score != 0 || !(result is TaskResult taskResult) ||
taskResult.StartDate == null)
{
return(false);
}
return((DateTime.UtcNow - taskResult.StartDate.Value).TotalSeconds > task.TimeMinutes * 60);
}
private static int GetExerciseUsedTipsNumber(
Exercise exercise,
IEnumerable <ExerciseResult> candidateExerciseResults)
{
if (exercise.GetType() == typeof(TestModel))
{
return(TestUsedTipsNumber);
}
var exerciseResult = candidateExerciseResults.FirstOrDefault(
result => result.CandidateExerciseId == exercise.Id);
if (exerciseResult == null)
{
return(TestUsedTipsNumber);
}
var taskResult = exerciseResult as TaskResult;
return(taskResult?.UsedTipsNumber ?? TestUsedTipsNumber);
}
private static ExerciseForList CreateExerciseForList(
Exercise exercise,
IList <ExerciseResult> candidateExerciseResults)
{
return(new ExerciseForList
{
Id = exercise.Id,
Name = exercise.Name,
Subject = exercise.Subject,
MaximumScore = exercise.MaximumScore,
CandidateScore = candidateExerciseResults.FirstOrDefault(
result => result.CandidateExerciseId == exercise.Id)?.Score ?? ExerciseNotCompleted,
UsedTipsNumber = GetExerciseUsedTipsNumber(exercise, candidateExerciseResults),
IsCompleted = candidateExerciseResults.Any(result => result.CandidateExerciseId == exercise.Id && result.Score != 0),
ResultId = candidateExerciseResults.FirstOrDefault(
result => result.CandidateExerciseId == exercise.Id)?.Id ?? ExerciseNotCompleted,
IsSoftDeleted = false,
IsTimeOut = IsTimerOut(exercise, candidateExerciseResults),
HasTimer = exercise.TimeMinutes.HasValue
});
}