relation_migrate.migration.inc in Relation 8

Migration for entityreference fields.

File

relation_migrate/relation_migrate.migration.inc

<?php

/**
 * @file
 * Migration for entityreference fields.
 */
use Drupal\Core\Language\Language;

/**
 *
 */
abstract class RelationMigrateReference extends Migration {

  /**
   * Constructor.
   *
   * @param $field_type Field type machine name.
   */
  public function __construct($field_type) {
    parent::__construct();
    $this->fields = array_filter(variable_get('relation_migrate_' . $field_type . '_fields', array()));
    $this->relation_type = variable_get('relation_migrate_' . $field_type . '_relation_type', NULL);
    $this->dependencies = array();
    $this->description = 'Copy the contents from the ' . $field_type . ' fields to relation entities.';
    $this->map = new MigrateSQLMap($this->machineName, array(
      'source_type' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
      ),
      'source_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'destination_type' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
      ),
      'destination_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'delta' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ), MigrateDestinationRelation::getKeySchema());
    $this->destination = new MigrateDestinationRelation($this->relation_type);
    $this
      ->addFieldMapping('uid')
      ->defaultValue(variable_get('relation_migrate_' . $field_type . '_user', 1))
      ->description(t('The owner of relation.'));
  }

  /**
   *
   */
  public function prepare(stdClass $relation, stdClass $source_row) {
    $relation->endpoints[Language::LANGCODE_NOT_SPECIFIED] = array(
      array(
        'entity_type' => $source_row->source_type,
        'entity_id' => $source_row->source_id,
      ),
      array(
        'entity_type' => $source_row->destination_type,
        'entity_id' => $source_row->destination_id,
      ),
    );
  }

}

/**
 *
 */
class RelationMigrateEntityReference extends RelationMigrateReference {

  /**
   *
   */
  public function __construct() {
    parent::__construct('entityreference');
    $this->source = new MigrateSourceEntityReference($this->fields);
  }

}

/**
 *
 */
class RelationMigrateNodeReference extends RelationMigrateReference {

  /**
   *
   */
  public function __construct() {
    parent::__construct('node_reference');
    $this->source = new MigrateSourceNodeReference($this->fields);
  }

}

/**
 *
 */
class RelationMigrateUserReference extends RelationMigrateReference {

  /**
   *
   */
  public function __construct() {
    parent::__construct('user_reference');
    $this->source = new MigrateSourceUserReference($this->fields);
  }

}

/**
 *
 */
class RelationMigrateTermReference extends RelationMigrateReference {

  /**
   *
   */
  public function __construct() {
    parent::__construct('taxonomy_term_reference');
    $this->source = new MigrateSourceTermReference($this->fields);
  }

}

Classes

Name	Description
RelationMigrateEntityReference
RelationMigrateNodeReference
RelationMigrateReference
RelationMigrateTermReference
RelationMigrateUserReference