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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\field\Plugin\migrate\source\d6\Field. | |
| */ | |
| namespace Drupal\field\Plugin\migrate\source\d6; | |
| use Drupal\migrate\Row; | |
| use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase; | |
| /** | |
| * Drupal 6 field source from database. | |
| * | |
| * @MigrateSource( | |
| * id = "d6_field", | |
| * source_provider = "content" | |
| * ) | |
| */ | |
| class Field extends DrupalSqlBase { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function query() { | |
| $query = $this->select('content_node_field', 'cnf') | |
| ->fields('cnf', array( | |
| 'field_name', | |
| 'type', | |
| 'global_settings', | |
| 'required', | |
| 'multiple', | |
| 'db_storage', | |
| 'module', | |
| 'db_columns', | |
| 'active', | |
| 'locked', | |
| )) | |
| ->distinct(); | |
| // Only import fields which are actually being used. | |
| $query->innerJoin('content_node_field_instance', 'cnfi', 'cnfi.field_name = cnf.field_name'); | |
| return $query; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function fields() { | |
| return array( | |
| 'field_name' => $this->t('Field name'), | |
| 'type' => $this->t('Type (text, integer, ....)'), | |
| 'widget_type' => $this->t('An instance-specific widget type'), | |
| 'global_settings' => $this->t('Global settings. Shared with every field instance.'), | |
| 'required' => $this->t('Required'), | |
| 'multiple' => $this->t('Multiple'), | |
| 'db_storage' => $this->t('DB storage'), | |
| 'module' => $this->t('Module'), | |
| 'db_columns' => $this->t('DB Columns'), | |
| 'active' => $this->t('Active'), | |
| 'locked' => $this->t('Locked'), | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function prepareRow(Row $row) { | |
| // The instance widget_type helps determine what D8 field type we'll use. | |
| // Identify the distinct widget_types being used in D6. | |
| $widget_types = $this->select('content_node_field_instance', 'cnfi') | |
| ->fields('cnfi', ['widget_type']) | |
| ->condition('field_name', $row->getSourceProperty('field_name')) | |
| ->distinct() | |
| ->orderBy('widget_type') | |
| ->execute() | |
| ->fetchCol(); | |
| // Arbitrarily use the first widget_type - if there are multiples, let the | |
| // migrator know. | |
| $row->setSourceProperty('widget_type', $widget_types[0]); | |
| if (count($widget_types) > 1) { | |
| $this->migration->getIdMap()->saveMessage( | |
| ['field_name' => $row->getSourceProperty('field_name')], | |
| $this->t('Widget types @types are used in Drupal 6 field instances: widget type @selected_type applied to the Drupal 8 base field', [ | |
| '@types' => implode(', ', $widget_types), | |
| '@selected_type' => $widget_types[0], | |
| ]) | |
| ); | |
| } | |
| // Unserialize data. | |
| $global_settings = unserialize($row->getSourceProperty('global_settings')); | |
| $db_columns = unserialize($row->getSourceProperty('db_columns')); | |
| $row->setSourceProperty('global_settings', $global_settings); | |
| $row->setSourceProperty('db_columns', $db_columns); | |
| return parent::prepareRow($row); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getIds() { | |
| $ids['field_name'] = array( | |
| 'type' => 'string', | |
| 'alias' => 'cnf', | |
| ); | |
| return $ids; | |
| } | |
| } |