class TermLocalizedTranslation in Drupal 8

Gets i18n taxonomy terms from source database.

Plugin annotation

@MigrateSource(
  id = "d7_term_localized_translation",
  source_module = "i18n_taxonomy"
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\migrate\Plugin\migrate\source\SourcePluginBase implements RollbackAwareInterface, MigrateSourceInterface
      • class \Drupal\migrate\Plugin\migrate\source\SqlBase implements ContainerFactoryPluginInterface, RequirementsInterface
        • class \Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase implements DependentPluginInterface, ContainerFactoryPluginInterface uses DeprecatedServicePropertyTrait, DependencyTrait
          • class \Drupal\migrate_drupal\Plugin\migrate\source\d7\FieldableEntity
            • class \Drupal\taxonomy\Plugin\migrate\source\d7\Term
              • class \Drupal\taxonomy\Plugin\migrate\source\d7\TermLocalizedTranslation uses I18nQueryTrait

File

core/modules/taxonomy/src/Plugin/migrate/source/d7/TermLocalizedTranslation.php, line 16

Namespace

Drupal\taxonomy\Plugin\migrate\source\d7

class TermLocalizedTranslation extends Term {
  use I18nQueryTrait;

  /**
   * {@inheritdoc}
   */
  public function query() {

    // Ideally, the query would return rows for each language for each taxonomy
    // term with the translations for both the name and description or just the
    // name translation or just the description translation. That query quickly
    // became complex and would be difficult to maintain.
    // Therefore, build a query based on i18nstrings table where each row has
    // the translation for only one property, either name or description. The
    // method prepareRow() is then used to obtain the translation for the other
    // property.
    $query = parent::query();
    $query
      ->addField('td', 'language', 'td.language');

    // Add in the property, which is either name or description.
    // Cast td.tid as char for PostgreSQL compatibility.
    $query
      ->leftJoin('i18n_string', 'i18n', 'CAST(td.tid AS CHAR(255)) = i18n.objectid');
    $query
      ->condition('i18n.type', 'term');
    $query
      ->addField('i18n', 'lid');
    $query
      ->addField('i18n', 'property');

    // Add in the translation for the property.
    $query
      ->innerJoin('locales_target', 'lt', 'i18n.lid = lt.lid');
    $query
      ->addField('lt', 'language', 'lt.language');
    $query
      ->addField('lt', 'translation');
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function prepareRow(Row $row) {
    $language = $row
      ->getSourceProperty('ltlanguage');
    $tid = $row
      ->getSourceProperty('tid');

    // If this row has been migrated it is a duplicate then skip it.
    if ($this->idMap
      ->lookupDestinationIds([
      'tid' => $tid,
      'language' => $language,
    ])) {
      return FALSE;
    }

    // Save the translation for the property already in the row.
    $property_in_row = $row
      ->getSourceProperty('property');
    $row
      ->setSourceProperty($property_in_row . '_translated', $row
      ->getSourceProperty('translation'));

    // Get the translation for the property not already in the row and save it
    // in the row.
    $property_not_in_row = $property_in_row == 'name' ? 'description' : 'name';

    // Get the translation, if one exists, for the property not already in the
    // row.
    $query = $this
      ->select('i18n_string', 'i18n')
      ->fields('i18n', [
      'lid',
    ])
      ->condition('i18n.property', $property_not_in_row);
    $query
      ->leftJoin('locales_target', 'lt', 'i18n.lid = lt.lid');
    $query
      ->condition('lt.language', $language);
    $query
      ->addField('lt', 'translation');
    $results = $query
      ->execute()
      ->fetchAssoc();
    if (!$results) {
      $row
        ->setSourceProperty($property_not_in_row . '_translated', NULL);
    }
    else {
      $row
        ->setSourceProperty($property_not_in_row . '_translated', $results['translation']);
    }
    parent::prepareRow($row);
  }

  /**
   * {@inheritdoc}
   */
  public function fields() {
    $fields = [
      'language' => $this
        ->t('Language for this term.'),
      'name_translated' => $this
        ->t('Term name translation.'),
      'description_translated' => $this
        ->t('Term description translation.'),
    ];
    return parent::fields() + $fields;
  }

  /**
   * {@inheritdoc}
   */
  public function getIds() {
    $ids['language']['type'] = 'string';
    $ids['language']['alias'] = 'lt';
    return parent::getIds() + $ids;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
DependencyTrait::$dependencies	protected	property	The object's dependencies.
DependencyTrait::addDependencies	protected	function	Adds multiple dependencies.
DependencyTrait::addDependency	protected	function	Adds a dependency.
DeprecatedServicePropertyTrait::__get	public	function	Allows to access deprecated/removed properties.
DrupalSqlBase::$deprecatedProperties	protected	property		1
DrupalSqlBase::$entityTypeManager	protected	property	The entity type manager.
DrupalSqlBase::$requirements	protected	property	If the source provider is missing.
DrupalSqlBase::$systemData	protected	property	The contents of the system table.
DrupalSqlBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies	1
DrupalSqlBase::checkRequirements	public	function	Checks if requirements for this plugin are OK. Overrides SqlBase::checkRequirements	2
DrupalSqlBase::create	public static	function	Creates an instance of the plugin. Overrides SqlBase::create	3
DrupalSqlBase::getModuleSchemaVersion	protected	function	Retrieves a module schema_version from the source Drupal database.
DrupalSqlBase::getSystemData	public	function	Retrieves all system data information from the source Drupal database.
DrupalSqlBase::moduleExists	protected	function	Checks if a given module is enabled in the source Drupal database.
DrupalSqlBase::variableGet	protected	function	Reads a variable from a source Drupal database.
DrupalSqlBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides SqlBase::__construct	6
FieldableEntity::getEntityTranslationSourceLanguage	protected	function	Gets an entity source language from the 'entity_translation' table.
FieldableEntity::getFields	protected	function	Returns all non-deleted field instances attached to a specific entity type.
FieldableEntity::getFieldValues	protected	function	Retrieves field values for a single field of a single entity.
FieldableEntity::isEntityTranslatable	protected	function	Checks if an entity type uses Entity Translation.
I18nQueryTrait::$i18nStringTable	protected	property	The i18n string table name.
I18nQueryTrait::getPropertyNotInRowTranslation	protected	function	Gets the translation for the property not already in the row.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
SourcePluginBase::$cache	protected	property	The backend cache.
SourcePluginBase::$cacheCounts	protected	property	Whether this instance should cache the source count.	1
SourcePluginBase::$cacheKey	protected	property	Key to use for caching counts.
SourcePluginBase::$currentRow	protected	property	The current row from the query.
SourcePluginBase::$currentSourceIds	protected	property	The primary key of the current row.
SourcePluginBase::$highWaterProperty	protected	property	Information on the property used as the high-water mark.
SourcePluginBase::$highWaterStorage	protected	property	The key-value storage for the high-water value.
SourcePluginBase::$idMap	protected	property	The migration ID map.
SourcePluginBase::$iterator	protected	property	The iterator to iterate over the source rows.
SourcePluginBase::$mapRowAdded	protected	property	Flags whether source plugin will read the map row and add to data row.
SourcePluginBase::$migration	protected	property	The entity migration object.
SourcePluginBase::$moduleHandler	protected	property	The module handler service.	2
SourcePluginBase::$originalHighWater	protected	property	The high water mark at the beginning of the import operation.
SourcePluginBase::$skipCount	protected	property	Whether this instance should not attempt to count the source.	1
SourcePluginBase::$trackChanges	protected	property	Flags whether to track changes to incoming data.	1
SourcePluginBase::aboveHighwater	protected	function	Check if the incoming data is newer than what we've previously imported.
SourcePluginBase::current	public	function
SourcePluginBase::doCount	protected	function	Gets the source count checking if the source is countable or using the iterator_count function.	1
SourcePluginBase::getCache	protected	function	Gets the cache object.
SourcePluginBase::getCurrentIds	public	function	Gets the currentSourceIds data member.
SourcePluginBase::getHighWater	protected	function	The current value of the high water mark.
SourcePluginBase::getHighWaterField	protected	function	Get the name of the field used as the high watermark.
SourcePluginBase::getHighWaterProperty	protected	function	Get information on the property used as the high watermark.
SourcePluginBase::getHighWaterStorage	protected	function	Get the high water storage object.	1
SourcePluginBase::getIterator	protected	function	Returns the iterator that will yield the row arrays to be processed.
SourcePluginBase::getModuleHandler	protected	function	Gets the module handler.
SourcePluginBase::getSourceModule	public	function	Gets the source module providing the source data. Overrides MigrateSourceInterface::getSourceModule
SourcePluginBase::key	public	function	Gets the iterator key.
SourcePluginBase::next	public	function	The migration iterates over rows returned by the source plugin. This method determines the next row which will be processed and imported into the system.
SourcePluginBase::postRollback	public	function	Performs post-rollback tasks. Overrides RollbackAwareInterface::postRollback
SourcePluginBase::preRollback	public	function	Performs pre-rollback tasks. Overrides RollbackAwareInterface::preRollback
SourcePluginBase::rewind	public	function	Rewinds the iterator.
SourcePluginBase::rowChanged	protected	function	Checks if the incoming row has changed since our last import.
SourcePluginBase::saveHighWater	protected	function	Save the new high water mark.
SourcePluginBase::valid	public	function	Checks whether the iterator is currently valid.
SqlBase::$batch	protected	property	The count of the number of batches run.
SqlBase::$batchSize	protected	property	Number of records to fetch from the database during each batch.
SqlBase::$database	protected	property	The database object.	1
SqlBase::$query	protected	property	The query string.
SqlBase::$state	protected	property	State service for retrieving database info.
SqlBase::count	public	function	Gets the source count. Overrides SourcePluginBase::count	6
SqlBase::fetchNextBatch	protected	function	Prepares query for the next set of data from the source database.
SqlBase::fetchNextRow	protected	function	Position the iterator to the following row. Overrides SourcePluginBase::fetchNextRow
SqlBase::getDatabase	public	function	Gets the database connection object.	2
SqlBase::initializeIterator	protected	function	Initializes the iterator with the source data. Overrides SourcePluginBase::initializeIterator	20
SqlBase::mapJoinable	protected	function	Checks if we can join against the map table.	1
SqlBase::prepareQuery	protected	function	Adds tags and metadata to the query.
SqlBase::select	protected	function	Wrapper for database select.
SqlBase::setUpDatabase	protected	function	Gets a connection to the referenced database.
SqlBase::__toString	public	function	Prints the query string when the object is used as a string. Overrides MigrateSourceInterface::__toString
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
TermLocalizedTranslation::fields	public	function	Returns available fields on the source. Overrides Term::fields
TermLocalizedTranslation::getIds	public	function	Defines the source fields uniquely identifying a source row. Overrides Term::getIds
TermLocalizedTranslation::prepareRow	public	function	Adds additional data to the row. Overrides Term::prepareRow
TermLocalizedTranslation::query	public	function	Overrides Term::query