diff modules/contrib/migrate_upgrade/src/MigrateUpgradeDrushRunner.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/contrib/migrate_upgrade/src/MigrateUpgradeDrushRunner.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,218 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\migrate_upgrade\MigrateUpgradeDrushRunner.
+ */
+
+namespace Drupal\migrate_upgrade;
+
+use Drupal\migrate\Plugin\MigrationInterface;
+use Drupal\migrate\Event\MigrateEvents;
+use Drupal\migrate\Event\MigrateIdMapMessageEvent;
+use Drupal\migrate\MigrateExecutable;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\migrate_drupal\MigrationCreationTrait;
+use Drupal\migrate_plus\Entity\Migration;
+use Drupal\migrate_plus\Entity\MigrationGroup;
+
+class MigrateUpgradeDrushRunner {
+
+  use MigrationCreationTrait;
+  use StringTranslationTrait;
+
+  /**
+   * The list of migrations to run and their configuration.
+   *
+   * @var \Drupal\migrate\Plugin\Migration[]
+   */
+  protected $migrationList;
+
+  /**
+   * MigrateMessage instance to display messages during the migration process.
+   *
+   * @var \Drupal\migrate_upgrade\DrushLogMigrateMessage
+   */
+  protected static $messages;
+
+  /**
+   * The Drupal version being imported.
+   *
+   * @var string
+   */
+  protected $version;
+
+  /**
+   * The state key used to store database configuration.
+   *
+   * @var string
+   */
+  protected $databaseStateKey;
+
+  /**
+   * From the provided source information, instantiate the appropriate migrations
+   * in the active configuration.
+   *
+   * @throws \Exception
+   */
+  public function configure() {
+    $db_url = drush_get_option('legacy-db-url');
+    $db_spec = drush_convert_db_from_db_url($db_url);
+    $db_prefix = drush_get_option('legacy-db-prefix');
+    $db_spec['prefix'] = $db_prefix;
+
+    $connection = $this->getConnection($db_spec);
+    $this->version = $this->getLegacyDrupalVersion($connection);
+    $this->createDatabaseStateSettings($db_spec, $this->version);
+    $this->databaseStateKey = 'migrate_drupal_' . $this->version;
+    $migrations = $this->getMigrations($this->databaseStateKey, $this->version);
+    $this->migrationList = [];
+    foreach ($migrations as $migration) {
+      $destination = $migration->get('destination');
+      if ($destination['plugin'] === 'entity:file') {
+        // Make sure we have a single trailing slash.
+        $source_base_path = rtrim(drush_get_option('legacy-root'), '/') . '/';
+        $destination['source_base_path'] = $source_base_path;
+        $migration->set('destination', $destination);
+      }
+      $this->migrationList[$migration->id()] = $migration;
+    }
+  }
+
+  /**
+   * Run the configured migrations.
+   */
+  public function import() {
+    static::$messages = new DrushLogMigrateMessage();
+    if (drush_get_option('debug')) {
+      \Drupal::service('event_dispatcher')->addListener(MigrateEvents::IDMAP_MESSAGE,
+        [get_class(), 'onIdMapMessage']);
+    }
+    foreach ($this->migrationList as $migration_id => $migration) {
+      drush_print(dt('Upgrading @migration', ['@migration' => $migration_id]));
+      $executable = new MigrateExecutable($migration, static::$messages);
+      // drush_op() provides --simulate support.
+      drush_op([$executable, 'import']);
+    }
+  }
+
+  /**
+   * Export the configured migration plugins as configuration entities.
+   */
+  public function export() {
+    $db_info = \Drupal::state()->get($this->databaseStateKey);
+
+    // Create a group to hold the database configuration.
+    $group = [
+      'id' => $this->databaseStateKey,
+      'label' => 'Import from Drupal ' . $this->version,
+      'description' => 'Migrations originally generated from drush migrate-upgrade --configure-only',
+      'source_type' => 'Drupal ' . $this->version,
+      'shared_configuration' => [
+        'source' => [
+          'key' => 'drupal_' . $this->version,
+          'database' => $db_info['database'],
+        ]
+      ]
+    ];
+    $group = MigrationGroup::create($group);
+    $group->save();
+    foreach ($this->migrationList as $migration_id => $migration) {
+      drush_print(dt('Exporting @migration as @new_migration',
+        ['@migration' => $migration_id, '@new_migration' => $this->modifyId($migration_id)]));
+      $entity_array['id'] = $migration_id;
+      $entity_array['migration_group'] = $this->databaseStateKey;
+      $entity_array['migration_tags'] = $migration->get('migration_tags');
+      $entity_array['label'] = $migration->get('label');
+      $entity_array['source'] = $migration->getSourceConfiguration();
+      $entity_array['destination'] = $migration->getDestinationConfiguration();
+      $entity_array['process'] = $migration->get('process');
+      $entity_array['migration_dependencies'] = $migration->getMigrationDependencies();
+      $migration_entity = Migration::create($this->substituteIds($entity_array));
+      $migration_entity->save();
+    }
+  }
+
+  /**
+   * Rewrite any migration plugin IDs so they won't conflict with the core
+   * IDs.
+   *
+   * @param $entity_array
+   *   A configuration array for a migration.
+   *
+   * @return array
+   *   The migration configuration array modified with new IDs.
+   */
+  protected function substituteIds($entity_array) {
+    $entity_array['id'] = $this->modifyId($entity_array['id']);
+    foreach ($entity_array['migration_dependencies'] as $type => $dependencies) {
+      foreach ($dependencies as $key => $dependency) {
+        $entity_array['migration_dependencies'][$type][$key] = $this->modifyId($dependency);
+      }
+    }
+    foreach ($entity_array['process'] as $destination => $process) {
+      if (is_array($process)) {
+        if ($process['plugin'] == 'migration') {
+          $entity_array['process'][$destination]['migration'] =
+            $this->modifyId($process['migration']);
+        }
+      }
+    }
+    return $entity_array;
+  }
+
+  /**
+   * @param $id
+   *   The original core plugin ID.
+   *
+   * @return string
+   *   The ID modified to serve as a configuration entity ID.
+   */
+  protected function modifyId($id) {
+    return drush_get_option('migration-prefix', 'upgrade_') . str_replace(':', '_', $id);
+  }
+
+  /**
+   * Rolls back the configured migrations.
+   */
+  public function rollback() {
+    static::$messages = new DrushLogMigrateMessage();
+    $database_state_key = \Drupal::state()->get('migrate.fallback_state_key');
+    $database_state = \Drupal::state()->get($database_state_key);
+    $db_spec = $database_state['database'];
+    $connection = $this->getConnection($db_spec);
+    $version = $this->getLegacyDrupalVersion($connection);
+    $migrations = $this->getMigrations('migrate_drupal_' . $version, $version);
+
+    // Roll back in reverse order.
+    $this->migrationList = array_reverse($migrations);
+
+    foreach ($migrations as $migration) {
+      drush_print(dt('Rolling back @migration', ['@migration' => $migration->id()]));
+      $executable = new MigrateExecutable($migration, static::$messages);
+      // drush_op() provides --simulate support.
+      drush_op([$executable, 'rollback']);
+    }
+  }
+
+  /**
+   * Display any messages being logged to the ID map.
+   *
+   * @param \Drupal\migrate\Event\MigrateIdMapMessageEvent $event
+   *   The message event.
+   */
+  public static function onIdMapMessage(MigrateIdMapMessageEvent $event) {
+    if ($event->getLevel() == MigrationInterface::MESSAGE_NOTICE ||
+        $event->getLevel() == MigrationInterface::MESSAGE_INFORMATIONAL) {
+      $type = 'status';
+    }
+    else {
+      $type = 'error';
+    }
+    $source_id_string = implode(',', $event->getSourceIdValues());
+    $message = t('Source ID @source_id: @message',
+      ['@source_id' => $source_id_string, '@message' => $event->getMessage()]);
+    static::$messages->display($message, $type);
+  }
+
+}