public function MigrateExampleMediaVideoMigration::__construct in Migrate Extras 7.2

General initialization of a Migration object.

Overrides Migration::__construct

File

migrate_extras_examples/migrate_extras_media/migrate_extras_media.migrate.inc, line 72

Examples and test fodder for migration of Media entities and fields.

Class

MigrateExampleMediaVideoMigration

Migration class for media_youtube entities.

Code

public function __construct() {
  parent::__construct();
  $this->description = t('Example migration of Youtube videos');
  $this->map = new MigrateSQLMap($this->machineName, array(
    'uri' => array(
      'type' => 'varchar',
      'length' => 255,
      'not null' => TRUE,
      'description' => 'YouTube URI',
    ),
  ), MigrateDestinationMedia::getKeySchema());

  // Source fields available in the XML file.
  $fields = array(
    'uri' => t('URI of a YouTube video'),
    'description' => t('Description of the video'),
  );

  // Our test data is in an XML file
  $xml_folder = drupal_get_path('module', 'migrate_extras_media');
  $items_url = $xml_folder . '/migrate_extras_media.xml';
  $item_xpath = '/source_data/item/video';
  $item_ID_xpath = 'uri';
  $items_class = new MigrateItemsXML($items_url, $item_xpath, $item_ID_xpath);
  $this->source = new MigrateSourceMultiItems($items_class, $fields);

  // In this case, we need to specify the file_class in the second paramter -
  // this class understands how to translate a http://www.youtube.com/ URI
  // into Drupal's Youtube file scheme (youtube://).
  $this->destination = new MigrateDestinationMedia('video', 'MigrateExtrasFileYoutube');

  // We just need to map the 'value' in the media destination to the Youtube
  // URI.
  $this
    ->addFieldMapping('value', 'uri')
    ->xpath('uri');
  $this
    ->addFieldMapping('field_video_description', 'description')
    ->xpath('description');
  $this
    ->addFieldMapping('uid')
    ->defaultValue(1);
  $this
    ->addUnmigratedDestinations(array(
    'field_video_description:format',
    'field_video_description:language',
    'timestamp',
  ));
  if (module_exists('path')) {
    $this
      ->addUnmigratedDestinations(array(
      'path',
    ));
  }
}