EssaysReportsGenerator::getEssayScore( $activity )

	protected function getEssayScore($activity)
	{
		if (! $activity->activity_completed) {
			return '-';
		}

		$essayId    = $activity->essay_id;
		$essay      = get_post($essayId);
		$quizId     = get_post_meta($essayId, 'quiz_id', true);
		$questionId = get_post_meta($essayId, 'question_id', true);

		$questionMapper = new WpProQuiz_Model_QuestionMapper();
		$question       = $questionMapper->fetchById(intval($questionId), null);

		if ( ! $question instanceof WpProQuiz_Model_Question ) {
			return '-';
		}

		$maxPoints = $question->getPoints();
		$essayData = learndash_get_submitted_essay_data($quizId, $questionId, $essay);
		$currentPoints = $essayData['points_awarded']? intval($essayData['points_awarded']) : 0;

		return sprintf(
			_x(
				'%1$s / %2$s',
				'placeholders: current points / maximum point',
				'buddyboss'
			), $currentPoints, $maxPoints
		);
	}