--- /dev/null
+<?php
+
+namespace Drupal\node\Plugin\migrate;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Component\Plugin\Exception\PluginNotFoundException;
+use Drupal\Core\Database\DatabaseExceptionWrapper;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Drupal\migrate\Exception\RequirementsException;
+use Drupal\migrate\Plugin\MigrationDeriverTrait;
+use Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface;
+use Drupal\migrate_drupal\Plugin\MigrateFieldPluginManagerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Deriver for Drupal 7 node and node revision migrations based on node types.
+ */
+class D7NodeDeriver extends DeriverBase implements ContainerDeriverInterface {
+ use MigrationDeriverTrait;
+
+ /**
+ * The base plugin ID this derivative is for.
+ *
+ * @var string
+ */
+ protected $basePluginId;
+
+ /**
+ * Already-instantiated cckfield plugins, keyed by ID.
+ *
+ * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldInterface[]
+ */
+ protected $cckPluginCache;
+
+ /**
+ * The CCK plugin manager.
+ *
+ * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface
+ */
+ protected $cckPluginManager;
+
+ /**
+ * Already-instantiated field plugins, keyed by ID.
+ *
+ * @var \Drupal\migrate_drupal\Plugin\MigrateFieldInterface[]
+ */
+ protected $fieldPluginCache;
+
+ /**
+ * The field plugin manager.
+ *
+ * @var \Drupal\migrate_drupal\Plugin\MigrateFieldPluginManagerInterface
+ */
+ protected $fieldPluginManager;
+
+ /**
+ * Whether or not to include translations.
+ *
+ * @var bool
+ */
+ protected $includeTranslations;
+
+ /**
+ * D7NodeDeriver constructor.
+ *
+ * @param string $base_plugin_id
+ * The base plugin ID for the plugin ID.
+ * @param \Drupal\migrate_drupal\Plugin\MigrateCckFieldPluginManagerInterface $cck_manager
+ * The CCK plugin manager.
+ * @param \Drupal\migrate_drupal\Plugin\MigrateFieldPluginManagerInterface $field_manager
+ * The field plugin manager.
+ * @param bool $translations
+ * Whether or not to include translations.
+ */
+ public function __construct($base_plugin_id, MigrateCckFieldPluginManagerInterface $cck_manager, MigrateFieldPluginManagerInterface $field_manager, $translations) {
+ $this->basePluginId = $base_plugin_id;
+ $this->cckPluginManager = $cck_manager;
+ $this->fieldPluginManager = $field_manager;
+ $this->includeTranslations = $translations;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, $base_plugin_id) {
+ // Translations don't make sense unless we have content_translation.
+ return new static(
+ $base_plugin_id,
+ $container->get('plugin.manager.migrate.cckfield'),
+ $container->get('plugin.manager.migrate.field'),
+ $container->get('module_handler')->moduleExists('content_translation')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getDerivativeDefinitions($base_plugin_definition) {
+ if (in_array('translation', $base_plugin_definition['migration_tags']) && !$this->includeTranslations) {
+ // Refuse to generate anything.
+ return $this->derivatives;
+ }
+
+ $node_types = static::getSourcePlugin('d7_node_type');
+ try {
+ $node_types->checkRequirements();
+ }
+ catch (RequirementsException $e) {
+ // If the d7_node_type requirements failed, that means we do not have a
+ // Drupal source database configured - there is nothing to generate.
+ return $this->derivatives;
+ }
+
+ $fields = [];
+ try {
+ $source_plugin = static::getSourcePlugin('d7_field_instance');
+ $source_plugin->checkRequirements();
+
+ // Read all field instance definitions in the source database.
+ foreach ($source_plugin as $row) {
+ if ($row->getSourceProperty('entity_type') == 'node') {
+ $fields[$row->getSourceProperty('bundle')][$row->getSourceProperty('field_name')] = $row->getSource();
+ }
+ }
+ }
+ catch (RequirementsException $e) {
+ // If checkRequirements() failed then the field module did not exist and
+ // we do not have any fields. Therefore, $fields will be empty and below
+ // we'll create a migration just for the node properties.
+ }
+
+ try {
+ foreach ($node_types as $row) {
+ $node_type = $row->getSourceProperty('type');
+ $values = $base_plugin_definition;
+
+ $values['label'] = t('@label (@type)', [
+ '@label' => $values['label'],
+ '@type' => $row->getSourceProperty('name'),
+ ]);
+ $values['source']['node_type'] = $node_type;
+ $values['destination']['default_bundle'] = $node_type;
+
+ // If this migration is based on the d7_node_revision migration or
+ // is for translations of nodes, it should explicitly depend on the
+ // corresponding d7_node variant.
+ if ($base_plugin_definition['id'] == ['d7_node_revision'] || in_array('translation', $base_plugin_definition['migration_tags'])) {
+ $values['migration_dependencies']['required'][] = 'd7_node:' . $node_type;
+ }
+
+ $migration = \Drupal::service('plugin.manager.migration')->createStubMigration($values);
+ if (isset($fields[$node_type])) {
+ foreach ($fields[$node_type] as $field_name => $info) {
+ $field_type = $info['type'];
+ try {
+ $plugin_id = $this->fieldPluginManager->getPluginIdFromFieldType($field_type, ['core' => 7], $migration);
+ if (!isset($this->fieldPluginCache[$field_type])) {
+ $this->fieldPluginCache[$field_type] = $this->fieldPluginManager->createInstance($plugin_id, ['core' => 7], $migration);
+ }
+ $this->fieldPluginCache[$field_type]
+ ->processFieldValues($migration, $field_name, $info);
+ }
+ catch (PluginNotFoundException $ex) {
+ try {
+ $plugin_id = $this->cckPluginManager->getPluginIdFromFieldType($field_type, ['core' => 7], $migration);
+ if (!isset($this->cckPluginCache[$field_type])) {
+ $this->cckPluginCache[$field_type] = $this->cckPluginManager->createInstance($plugin_id, ['core' => 7], $migration);
+ }
+ $this->cckPluginCache[$field_type]
+ ->processCckFieldValues($migration, $field_name, $info);
+ }
+ catch (PluginNotFoundException $ex) {
+ $migration->setProcessOfProperty($field_name, $field_name);
+ }
+ }
+ }
+ }
+ $this->derivatives[$node_type] = $migration->getPluginDefinition();
+ }
+ }
+ catch (DatabaseExceptionWrapper $e) {
+ // Once we begin iterating the source plugin it is possible that the
+ // source tables will not exist. This can happen when the
+ // MigrationPluginManager gathers up the migration definitions but we do
+ // not actually have a Drupal 7 source database.
+ }
+ return $this->derivatives;
+ }
+
+}