comment.inc in Drupal-to-Drupal data migration 7.2

Implementation of DrupalCommentMigration for Drupal 7 sources.

File

d7/comment.inc

<?php

/**
 * @file
 * Implementation of DrupalCommentMigration for Drupal 7 sources.
 */

/**
 * Handling specific to a Drupal 7 source for comments.
 */
class DrupalComment7Migration extends DrupalCommentMigration {

  /**
   * @param array $arguments
   */
  public function __construct(array $arguments) {
    parent::__construct($arguments);
    if (!$this->newOnly) {
      $this->highwaterField = array(
        'name' => 'changed',
        'alias' => 'c',
        'type' => 'int',
      );
    }

    // Version-specific field mappings
    $this
      ->addSimpleMappings(array(
      'comment_body',
      'created',
      'changed',
      'status',
      'language',
    ));
    $this
      ->addFieldMapping('comment_body:format', 'comment_body:format')
      ->callbacks(array(
      $this,
      'mapFormat',
    ));
  }

  /**
   * Implementation of DrupalCommentMigration::query().
   *
   * We join to {node} so that we can use separate comment migration classes
   * for each associated node type.
   *
   * @return SelectQueryInterface
   */
  protected function query() {
    $query = Database::getConnection('default', $this->sourceConnection)
      ->select('comment', 'c')
      ->fields('c', array(
      'cid',
      'pid',
      'nid',
      'uid',
      'subject',
      'hostname',
      'created',
      'changed',
      'status',
      'thread',
      'name',
      'mail',
      'homepage',
      'language',
    ));
    $query
      ->join('node', 'n', 'c.nid = n.nid');
    $query
      ->condition('n.type', $this->sourceType)
      ->orderBy('c.changed');
    return $query;
  }

  /**
   * Called after the query data is fetched - we'll use this to populate the
   * source row with the CCK fields.
   */
  public function prepareRow($row) {
    if (parent::prepareRow($row) === FALSE) {
      return FALSE;
    }
    $this->version
      ->getSourceValues($row, $row->cid);
  }

}

Classes

Name	Description
DrupalComment7Migration	Handling specific to a Drupal 7 source for comments.