Beispiel #1
0
def _has_db_updated_with_new_score(self, scored_block_usage_key, **kwargs):
    """
    Returns whether the database has been updated with the
    expected new score values for the given problem and user.
    """
    if kwargs[
            'score_db_table'] == ScoreDatabaseTableEnum.courseware_student_module:
        score = get_score(kwargs['user_id'], scored_block_usage_key)
        found_modified_time = score.modified if score is not None else None

    elif kwargs['score_db_table'] == ScoreDatabaseTableEnum.submissions:
        score = sub_api.get_score({
            "student_id":
            kwargs['anonymous_user_id'],
            "course_id":
            six.text_type(scored_block_usage_key.course_key),
            "item_id":
            six.text_type(scored_block_usage_key),
            "item_type":
            scored_block_usage_key.block_type,
        })
        found_modified_time = score['created_at'] if score is not None else None
    else:
        assert kwargs['score_db_table'] == ScoreDatabaseTableEnum.overrides
        from . import api
        score = api.get_subsection_grade_override(
            user_id=kwargs['user_id'],
            course_key_or_id=kwargs['course_id'],
            usage_key_or_id=kwargs['usage_id'])
        found_modified_time = score.modified if score is not None else None

    if score is None:
        # score should be None only if it was deleted.
        # Otherwise, it hasn't yet been saved.
        db_is_updated = kwargs['score_deleted']
    else:
        db_is_updated = found_modified_time >= from_timestamp(
            kwargs['expected_modified_time'])

    if not db_is_updated:
        log.info(
            u"Grades: tasks._has_database_updated_with_new_score is False. Task ID: {}. Kwargs: {}. Found "
            u"modified time: {}".format(
                self.request.id,
                kwargs,
                found_modified_time,
            ))

    return db_is_updated
    def validate_timestamp(self, value):
        """ Ensure the request has been received in a timely manner. """
        date_time = from_timestamp(value)

        # Ensure we converted the timestamp to a datetime
        if not date_time:
            msg = f'[{value}] is not a valid timestamp'
            log.warning(msg)
            raise serializers.ValidationError(msg)

        elapsed = (datetime.datetime.now(pytz.UTC) - date_time).total_seconds()
        if elapsed > settings.CREDIT_PROVIDER_TIMESTAMP_EXPIRATION:
            msg = f'[{value}] is too far in the past (over [{elapsed}] seconds).'
            log.warning(msg)
            raise serializers.ValidationError(msg)

        return value