Files
farmOS-dev/web/modules/migrate_tools/src/MigrateBatchExecutable.php
2024-12-10 15:08:16 +01:00

332 lines
11 KiB
PHP

<?php
declare(strict_types = 1);
namespace Drupal\migrate_tools;
use Drupal\migrate\MigrateMessage;
use Drupal\migrate\MigrateMessageInterface;
use Drupal\migrate\Plugin\MigrationInterface;
use Drupal\migrate\Plugin\MigrationPluginManagerInterface;
/**
* Defines a migrate executable class for batch migrations through UI.
*/
class MigrateBatchExecutable extends MigrateExecutable {
/**
* Representing a batch import operation.
*/
public const BATCH_IMPORT = 1;
/**
* Indicates if we need to update existing rows or skip them.
*
* @var int
*/
protected int $updateExistingRows = 0;
/**
* Indicates if we need import dependent migrations also.
*
* @var int
*/
protected int $checkDependencies = 0;
/**
* The ID list as single string expression.
*
* @var string
*/
protected string $idlistExpression = '';
protected bool $syncSource = FALSE;
protected $batchContext;
protected array $configuration = [];
protected MigrationPluginManagerInterface $migrationPluginManager;
/**
* {@inheritdoc}
*/
public function __construct(MigrationInterface $migration, MigrateMessageInterface $message, array $options = []) {
if (isset($options['update'])) {
$this->updateExistingRows = $options['update'];
}
if (isset($options['force'])) {
$this->checkDependencies = $options['force'];
}
if (isset($options['sync'])) {
$this->syncSource = $options['sync'];
}
if (isset($options['configuration'])) {
$this->configuration = $options['configuration'];
}
if (isset($options['idlist'])) {
$this->idlistExpression = $options['idlist'];
}
parent::__construct($migration, $message, $options);
$this->migrationPluginManager = \Drupal::getContainer()->get('plugin.manager.migration');
}
/**
* Sets the current batch content so listeners can update the messages.
*
* @param array|\DrushBatchContext $context
* The batch context.
*/
public function setBatchContext(&$context): void {
$this->batchContext = &$context;
}
/**
* Gets a reference to the current batch context.
*
* The batch context.
*/
public function &getBatchContext() {
return $this->batchContext;
}
/**
* Setup batch operations for running the migration.
*/
public function batchImport(): void {
// Create the batch operations for each migration that needs to be executed.
// This includes the migration for this executable, but also the dependent
// migrations.
$operations = $this->batchOperations([$this->migration], 'import', [
'limit' => $this->itemLimit,
'update' => $this->updateExistingRows,
'force' => $this->checkDependencies,
'sync' => $this->syncSource,
'idlist' => $this->idlistExpression ?: NULL,
'configuration' => $this->configuration,
]);
if (count($operations) > 0) {
$batch = [
'operations' => $operations,
'title' => $this->t('Migrating %migrate', ['%migrate' => $this->migration->label()]),
'init_message' => $this->t('Start migrating %migrate', ['%migrate' => $this->migration->label()]),
'progress_message' => $this->t('Migrating %migrate', ['%migrate' => $this->migration->label()]),
'error_message' => $this->t('An error occurred while migrating %migrate.', ['%migrate' => $this->migration->label()]),
'finished' => [static::class, 'batchFinishedImport'],
];
batch_set($batch);
}
}
/**
* Helper to generate the batch operations for importing migrations.
*
* @param \Drupal\migrate\Plugin\MigrationInterface[] $migrations
* The migrations.
* @param string $operation
* The batch operation to perform.
* @param array $options
* The migration options.
*
* @return array
* The batch operations to perform.
*/
protected function batchOperations(array $migrations, string $operation, array $options = []): array {
$operations = [];
foreach ($migrations as $migration) {
if (!empty($options['update'])) {
if (empty($options['idlist'])) {
$migration->getIdMap()->prepareUpdate();
}
else {
$source_id_values_list = MigrateTools::buildIdList($options);
$keys = array_keys($migration->getSourcePlugin()->getIds());
foreach ($source_id_values_list as $source_id_values) {
$migration->getIdMap()->setUpdate(array_combine($keys, $source_id_values));
}
}
}
if (!empty($options['force'])) {
$migration->set('requirements', []);
}
else {
$dependencies = $migration->getMigrationDependencies();
if (!empty($dependencies['required'])) {
$required_migrations = $this->migrationPluginManager->createInstances($dependencies['required']);
// For dependent migrations will need to be migrate all items.
$operations = array_merge($operations, $this->batchOperations($required_migrations, $operation, [
'limit' => 0,
'update' => $options['update'],
'force' => $options['force'],
'sync' => $options['sync'],
]));
}
}
$operations[] = [
sprintf('%s::%s', static::class, 'batchProcessImport'),
[$migration->id(), $options],
];
}
return $operations;
}
/**
* Batch 'operation' callback.
*
* @param string $migration_id
* The migration id.
* @param array $options
* The batch executable options.
* @param array|\DrushBatchContext $context
* The sandbox context.
*/
public static function batchProcessImport(string $migration_id, array $options, &$context): void {
if (empty($context['sandbox'])) {
$context['finished'] = 0;
$context['sandbox'] = [];
$context['sandbox']['total'] = 0;
$context['sandbox']['counter'] = 0;
$context['sandbox']['batch_limit'] = 0;
$context['sandbox']['operation'] = self::BATCH_IMPORT;
}
// Prepare the migration executable.
$message = new MigrateMessage();
/** @var \Drupal\migrate\Plugin\MigrationInterface $migration */
$migration = \Drupal::getContainer()->get('plugin.manager.migration')->createInstance($migration_id, $options['configuration'] ?? []);
unset($options['configuration']);
// Each batch run we need to reinitialize the counter for the migration.
if (!empty($options['limit']) && isset($context['results'][$migration->id()]['@numitems'])) {
$options['limit'] -= $context['results'][$migration->id()]['@numitems'];
}
$executable = new static($migration, $message, $options);
if (empty($context['sandbox']['total'])) {
$context['sandbox']['total'] = $executable->getSource()->count();
$context['sandbox']['batch_limit'] = $executable->calculateBatchLimit($context);
$context['results'][$migration->id()] = [
'@numitems' => 0,
'@created' => 0,
'@updated' => 0,
'@failures' => 0,
'@ignored' => 0,
'@name' => $migration->id(),
];
}
// Every iteration, we reset our batch counter.
$context['sandbox']['batch_counter'] = 0;
// Make sure we know our batch context.
$executable->setBatchContext($context);
// Do the import.
$result = $executable->import();
// Store the result; will need to combine the results of all our iterations.
$context['results'][$migration->id()] = [
'@numitems' => $context['results'][$migration->id()]['@numitems'] + $executable->getProcessedCount(),
'@created' => $context['results'][$migration->id()]['@created'] + $executable->getCreatedCount(),
'@updated' => $context['results'][$migration->id()]['@updated'] + $executable->getUpdatedCount(),
'@failures' => $context['results'][$migration->id()]['@failures'] + $executable->getFailedCount(),
'@ignored' => $context['results'][$migration->id()]['@ignored'] + $executable->getIgnoredCount(),
'@name' => $migration->id(),
];
// Do some housekeeping.
if ($result !== MigrationInterface::RESULT_INCOMPLETE) {
$context['finished'] = 1;
}
else {
$context['sandbox']['counter'] = $context['results'][$migration->id()]['@numitems'];
if ($context['sandbox']['counter'] <= $context['sandbox']['total']) {
$context['finished'] = ((float) $context['sandbox']['counter'] / (float) $context['sandbox']['total']);
$context['message'] = t('Importing %migration (@percent%).', [
'%migration' => $migration->label(),
'@percent' => (int) ($context['finished'] * 100),
]);
}
}
}
/**
* Finished callback for import batches.
*
* @param bool $success
* A boolean indicating whether the batch has completed successfully.
* @param array $results
* The value set in $context['results'] by callback_batch_operation().
* @param array $operations
* If $success is FALSE, contains the operations that remained unprocessed.
*/
public static function batchFinishedImport(bool $success, array $results, array $operations): void {
if ($success) {
foreach ($results as $migration_id => $result) {
$singular_message = "Processed 1 item (@created created, @updated updated, @failures failed, @ignored ignored) - done with '@name'";
$plural_message = "Processed @numitems items (@created created, @updated updated, @failures failed, @ignored ignored) - done with '@name'";
\Drupal::messenger()->addStatus(\Drupal::translation()->formatPlural($result['@numitems'],
$singular_message,
$plural_message,
$result));
}
}
}
/**
* {@inheritdoc}
*/
public function checkStatus(): int {
$status = parent::checkStatus();
if ($status === MigrationInterface::RESULT_COMPLETED) {
// Do some batch housekeeping.
$context = $this->getBatchContext();
if (!empty($context['sandbox']) && $context['sandbox']['operation'] === self::BATCH_IMPORT) {
$context['sandbox']['batch_counter']++;
if ($context['sandbox']['batch_counter'] >= $context['sandbox']['batch_limit']) {
$status = MigrationInterface::RESULT_INCOMPLETE;
}
}
}
return $status;
}
/**
* Calculates how much a single batch iteration will handle.
*
* @param array|\DrushBatchContext $context
* The sandbox context.
*
* @return float
* The batch limit.
*/
public function calculateBatchLimit($context): float {
// @todo Maybe we need some other more sophisticated logic here?
return ceil($context['sandbox']['total'] / 100);
}
/**
* Suppress progress messages since we are executing via batch UI.
*
* @param bool $done
* TRUE if this is the last items to process. Otherwise FALSE.
*/
protected function progressMessage($done = TRUE) {}
}