public static function delete_data_for_all_users_in_context(\context $context) {
        global $DB;

        if ($context->contextlevel == CONTEXT_MODULE) {
            $cm = get_coursemodule_from_id('assign', $context->instanceid);
            if ($cm) {
                // Get the assignment related to this context.
                $assign = new \assign($context, null, null);
                // What to do first... Get sub plugins to delete their stuff.
                $requestdata = new assign_plugin_request_data($context, $assign);
                manager::plugintype_class_callback('assignsubmission', self::ASSIGNSUBMISSION_INTERFACE,
                    'delete_submission_for_context', [$requestdata]);
                $requestdata = new assign_plugin_request_data($context, $assign);
                manager::plugintype_class_callback('assignfeedback', self::ASSIGNFEEDBACK_INTERFACE,
                    'delete_feedback_for_context', [$requestdata]);
                $DB->delete_records('assign_grades', ['assignment' => $assign->get_instance()->id]);

                // Delete advanced grading information.
                $gradingmanager = get_grading_manager($context, 'mod_assign', 'submissions');
                $controller = $gradingmanager->get_active_controller();
                if (isset($controller)) {
                    \core_grading\privacy\provider::delete_instance_data($context);
                }

                // Time to roll my own method for deleting overrides.
                static::delete_overrides_for_users($assign);
                $DB->delete_records('assign_submission', ['assignment' => $assign->get_instance()->id]);
                $DB->delete_records('assign_user_flags', ['assignment' => $assign->get_instance()->id]);
                $DB->delete_records('assign_user_mapping', ['assignment' => $assign->get_instance()->id]);
            }
        }
    }