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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\migrate_drupal\Plugin\migrate\source\Variable. | |
| */ | |
| namespace Drupal\migrate_drupal\Plugin\migrate\source; | |
| use Drupal\Core\Entity\EntityManagerInterface; | |
| use Drupal\Core\State\StateInterface; | |
| use Drupal\migrate\Entity\MigrationInterface; | |
| /** | |
| * Drupal variable source from database. | |
| * | |
| * This source class always returns a single row and as such is not a good | |
| * example for any normal source class returning multiple rows. | |
| * | |
| * @MigrateSource( | |
| * id = "variable" | |
| * ) | |
| */ | |
| class Variable extends DrupalSqlBase { | |
| /** | |
| * The variable names to fetch. | |
| * | |
| * @var array | |
| */ | |
| protected $variables; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, StateInterface $state, EntityManagerInterface $entity_manager) { | |
| parent::__construct($configuration, $plugin_id, $plugin_definition, $migration, $state, $entity_manager); | |
| $this->variables = $this->configuration['variables']; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function initializeIterator() { | |
| return new \ArrayIterator(array($this->values())); | |
| } | |
| /** | |
| * Return the values of the variables specified in the plugin configuration. | |
| * | |
| * @return array | |
| * An associative array where the keys are the variables specified in the | |
| * plugin configuration and the values are the values found in the source. | |
| * Only those values are returned that are actually in the database. | |
| */ | |
| protected function values() { | |
| // Create an ID field so we can record migration in the map table. | |
| // Arbitrarily, use the first variable name. | |
| $values['id'] = reset($this->variables); | |
| return $values + array_map('unserialize', $this->prepareQuery()->execute()->fetchAllKeyed()); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function count() { | |
| return intval($this->query()->countQuery()->execute()->fetchField() > 0); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function fields() { | |
| return array_combine($this->variables, $this->variables); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function query() { | |
| return $this->getDatabase() | |
| ->select('variable', 'v') | |
| ->fields('v', array('name', 'value')) | |
| ->condition('name', $this->variables, 'IN'); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getIds() { | |
| $ids['id']['type'] = 'string'; | |
| return $ids; | |
| } | |
| } |