CakePHP Soft Delete Behaviour

SoftDeleteBehavior.php

<?php

App::uses('ModelBehavior', 'Model');

class SoftDeleteBehavior extends ModelBehavior {

  public function setup(Model $Model, $settings = array()) {
    $field = isset($settings['field']) ? $settings['field'] : 'is_deleted';
    $this->settings[$Model->alias]['field'] = $field;
  }

  public function beforeFind(Model $Model, $query) {
    $field = $Model->escapeField($this->settings[$Model->alias]['field']);
    if (!isset($query['conditions'][$field])) {
      $query['conditions'][$field] = false;
    }
    return $query;
  }

  public function softDelete(Model $Model) {
    return $Model->saveField($this->settings[$Model->alias]['field'], true);
  }

}