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<?php
namespace Drupal\media_migration\Plugin\media_migration\file_entity;
use Drupal\Core\Database\Connection;
use Drupal\media_migration\FileEntityDealerBase;
use Drupal\migrate\Row;
abstract class FileBase extends FileEntityDealerBase {
public function alterMediaEntityMigrationDefinition(array &$migration_definition, Connection $connection) : void {
$source_field_name = $this
->getDestinationMediaSourceFieldName();
$migration_definition['process'][$source_field_name . '/target_id'] = 'fid';
$migration_definition['process'][$source_field_name . '/display'] = 'display';
$migration_definition['process'][$source_field_name . '/description'] = 'description';
}
public function prepareMediaEntityRow(Row $row, Connection $connection) : void {
parent::prepareMediaEntityRow($row, $connection);
foreach ($this
->getFileData($connection, $row
->getSourceProperty('fid')) as $data_key => $data_value) {
$row
->setSourceProperty($data_key, $data_value);
}
}
protected function getFileFieldData(Connection $connection, bool $field_names_only = TRUE) : array {
$field_query = $connection
->select('field_config', 'fs')
->fields('fs', [
'field_name',
])
->condition('fs.type', 'file')
->condition('fs.active', 1)
->condition('fs.deleted', 0)
->condition('fs.storage_active', 1)
->condition('fi.deleted', 0);
$field_query
->join('field_config_instance', 'fi', 'fs.id = fi.field_id');
if ($field_names_only) {
return array_keys($field_query
->execute()
->fetchAllAssoc('field_name'));
}
$field_query
->addField('fs', 'data', 'field_storage_data');
$field_query
->addField('fi', 'data', 'field_instance_data');
$fields_data = [];
foreach ($field_query
->execute()
->fetchAll(\PDO::FETCH_ASSOC) as $item) {
foreach ([
'field_storage_data',
'field_instance_data',
] as $data_key) {
$item[$data_key] = unserialize($item[$data_key]);
}
$fields_data[] = $item;
}
return $fields_data;
}
protected function getFileData(Connection $connection, $file_id) : array {
foreach ($this
->getFileFieldData($connection) as $field_name) {
$field_table_name = "field_data_{$field_name}";
$data_query = $connection
->select($field_table_name, $field_name);
$data_query
->addField($field_name, "{$field_name}_display", 'display');
$data_query
->addField($field_name, "{$field_name}_description", 'description');
$data_query
->condition("{$field_name}_fid", $file_id);
if (!empty($results = $data_query
->execute()
->fetchAll(\PDO::FETCH_ASSOC))) {
$result = reset($results);
return array_filter($result);
}
}
return [];
}
}