GroupByNumeric.php

1. 8.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/argument/GroupByNumeric.php
2. 8.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/sort/GroupByNumeric.php
3. 8.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/GroupByNumeric.php

<?php

/**
 * @file
 * Definition of Drupal\views\Plugin\views\filter\GroupByNumeric.
 */
namespace Drupal\views\Plugin\views\filter;

use Drupal\Component\Annotation\PluginID;

/**
 * Simple filter to handle greater than/less than filters
 *
 * @ingroup views_filter_handlers
 *
 * @PluginID("groupby_numeric")
 */
class GroupByNumeric extends Numeric {
  public function query() {
    $this
      ->ensureMyTable();
    $field = $this
      ->getField();
    $info = $this
      ->operators();
    if (!empty($info[$this->operator]['method'])) {
      $this
        ->{$info[$this->operator]['method']}($field);
    }
  }
  protected function opBetween($field) {
    $placeholder_min = $this
      ->placeholder();
    $placeholder_max = $this
      ->placeholder();
    if ($this->operator == 'between') {
      $this->query
        ->addHavingExpression($this->options['group'], "{$field} >= {$placeholder_min}", array(
        $placeholder_min => $this->value['min'],
      ));
      $this->query
        ->addHavingExpression($this->options['group'], "{$field} <= {$placeholder_max}", array(
        $placeholder_max => $this->value['max'],
      ));
    }
    else {
      $this->query
        ->addHavingExpression($this->options['group'], "{$field} <= {$placeholder_min} OR {$field} >= {$placeholder_max}", array(
        $placeholder_min => $this->value['min'],
        $placeholder_max => $this->value['max'],
      ));
    }
  }
  protected function opSimple($field) {
    $placeholder = $this
      ->placeholder();
    $this->query
      ->addHavingExpression($this->options['group'], "{$field} {$this->operator} {$placeholder}", array(
      $placeholder => $this->value['value'],
    ));
  }
  protected function opEmpty($field) {
    if ($this->operator == 'empty') {
      $operator = "IS NULL";
    }
    else {
      $operator = "IS NOT NULL";
    }
    $this->query
      ->addHavingExpression($this->options['group'], "{$field} {$operator}");
  }
  public function adminLabel($short = FALSE) {
    return $this
      ->getField(parent::adminLabel($short));
  }
  public function canGroup() {
    return FALSE;
  }

}