def get_context_data(self, **kwargs):
        context = super(EnrollmentDemographicsGenderView,
                        self).get_context_data(**kwargs)
        presenter = CourseEnrollmentDemographicsPresenter(self.course_id)
        gender_data = None
        trend = None
        known_enrollment_percent = None
        last_updated = None

        try:
            last_updated, gender_data, trend, known_enrollment_percent = presenter.get_gender(
            )
        except NotFoundError:
            logger.error(
                "Failed to retrieve enrollment demographic gender data for %s.",
                self.course_id)

        # add the enrollment data for the page
        context['js_data']['course']['genders'] = gender_data
        context['js_data']['course']['genderTrend'] = trend

        context.update({
            'update_message':
            self.get_last_updated_message(last_updated),
            'chart_tooltip_value':
            self.format_percentage(known_enrollment_percent),
            'data_information_message':
            self.data_information_message
        })
        context['page_data'] = self.get_page_data(context)

        return context
    def get_context_data(self, **kwargs):
        context = super(EnrollmentDemographicsEducationView,
                        self).get_context_data(**kwargs)
        presenter = CourseEnrollmentDemographicsPresenter(self.course_id)
        binned_education = None
        summary = None
        known_enrollment_percent = None
        last_updated = None

        try:
            last_updated, summary, binned_education, known_enrollment_percent = presenter.get_education(
            )
        except NotFoundError:
            logger.error(
                "Failed to retrieve enrollment demographic education data for %s.",
                self.course_id)

        # add the enrollment data for the page
        context['js_data']['course']['education'] = binned_education

        context.update({
            'summary':
            summary,
            'chart_tooltip_value':
            self.format_percentage(known_enrollment_percent),
            'update_message':
            self.get_last_updated_message(last_updated),
            'data_information_message':
            self.data_information_message
        })
        context['page_data'] = self.get_page_data(context)

        return context