TermNode.php in Zircon Profile 8

Contains \Drupal\taxonomy\Plugin\migrate\source\d6\TermNode.

Namespace

Drupal\taxonomy\Plugin\migrate\source\d6

File

core/modules/taxonomy/src/Plugin/migrate/source/d6/TermNode.php

<?php

/**
 * @file
 * Contains \Drupal\taxonomy\Plugin\migrate\source\d6\TermNode.
 */
namespace Drupal\taxonomy\Plugin\migrate\source\d6;

use Drupal\migrate\Row;
use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;

/**
 * Source returning tids from the term_node table for the current revision.
 *
 * @MigrateSource(
 *   id = "d6_term_node",
 *   source_provider = "taxonomy"
 * )
 */
class TermNode extends DrupalSqlBase {

  /**
   * The join options between the node and the term node table.
   */
  const JOIN = 'tn.vid = n.vid';

  /**
   * {@inheritdoc}
   */
  public function query() {
    $query = $this
      ->select('term_node', 'tn')
      ->distinct()
      ->fields('tn', array(
      'nid',
      'vid',
    ))
      ->fields('n', array(
      'type',
    ));

    // Because this is an inner join it enforces the current revision.
    $query
      ->innerJoin('term_data', 'td', 'td.tid = tn.tid AND td.vid = :vid', array(
      ':vid' => $this->configuration['vid'],
    ));
    $query
      ->innerJoin('node', 'n', static::JOIN);
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function fields() {
    return array(
      'nid' => $this
        ->t('The node revision ID.'),
      'vid' => $this
        ->t('The node revision ID.'),
      'tid' => $this
        ->t('The term ID.'),
    );
  }

  /**
   * {@inheritdoc}
   */
  public function prepareRow(Row $row) {

    // Select the terms belonging to the revision selected.
    $query = $this
      ->select('term_node', 'tn')
      ->fields('tn', array(
      'tid',
    ))
      ->condition('n.nid', $row
      ->getSourceProperty('nid'));
    $query
      ->join('node', 'n', static::JOIN);
    $query
      ->innerJoin('term_data', 'td', 'td.tid = tn.tid AND td.vid = :vid', array(
      ':vid' => $this->configuration['vid'],
    ));
    $row
      ->setSourceProperty('tid', $query
      ->execute()
      ->fetchCol());
    return parent::prepareRow($row);
  }

  /**
   * {@inheritdoc}
   */
  public function getIds() {
    $ids['vid']['type'] = 'integer';
    $ids['vid']['alias'] = 'tn';
    return $ids;
  }

}

Classes

Name	Description
TermNode	Source returning tids from the term_node table for the current revision.