views_handler_filter_course.inc in Course 8.2

File

views/handlers/views_handler_filter_course.inc

<?php

use Drupal\course\Entity\CourseType;

/**
 * A filter that allows the user to show or hide all courses.
 */
class views_handler_filter_course extends views_handler_filter_boolean_operator {
  function query() {
    $this
      ->ensure_my_table();
    $field = "{$this->table_alias}.{$this->real_field}";
    $types = CourseType::loadMultiple();
    $in = $this->value ? 'IN' : 'NOT IN';
    $this->query
      ->add_where($this->options['group'], db_and()
      ->condition($field, $types, $in));
  }
  function get_value_options() {
    $this->value_options = array(
      1 => t('Yes'),
      0 => t('No'),
    );
  }

}

Classes

Name	Description
views_handler_filter_course	A filter that allows the user to show or hide all courses.