function ConfigImporterFieldPurger::initializeSandbox

Same name in other branches
  1. 8.9.x core/modules/field/src/ConfigImporterFieldPurger.php \Drupal\field\ConfigImporterFieldPurger::initializeSandbox()
  2. 10 core/modules/field/src/ConfigImporterFieldPurger.php \Drupal\field\ConfigImporterFieldPurger::initializeSandbox()
  3. 11.x core/modules/field/src/ConfigImporterFieldPurger.php \Drupal\field\ConfigImporterFieldPurger::initializeSandbox()

Initializes the batch context sandbox for processing field deletions.

This calculates the number of steps necessary to purge all the field data and saves data for later use.

Parameters

array $context: The batch context.

\Drupal\Core\Config\ConfigImporter $config_importer: The config importer.

1 call to ConfigImporterFieldPurger::initializeSandbox()
ConfigImporterFieldPurger::process in core/modules/field/src/ConfigImporterFieldPurger.php
Processes fields targeted for purge as part of a configuration sync.

File

core/modules/field/src/ConfigImporterFieldPurger.php, line 65

Class

ConfigImporterFieldPurger
Processes field purges before a configuration synchronization.

Namespace

Drupal\field

Code

protected static function initializeSandbox(array &$context, ConfigImporter $config_importer) {
    $context['sandbox']['field']['purge_batch_size'] = \Drupal::config('field.settings')->get('purge_batch_size');
    // Save the future list of installed extensions to limit the amount of times
    // the configuration is read from disk.
    $context['sandbox']['field']['extensions'] = $config_importer->getStorageComparer()
        ->getSourceStorage()
        ->read('core.extension');
    $context['sandbox']['field']['steps_to_delete'] = 0;
    $fields = static::getFieldStoragesToPurge($context['sandbox']['field']['extensions'], $config_importer->getUnprocessedConfiguration('delete'));
    foreach ($fields as $field) {
        $row_count = \Drupal::entityTypeManager()->getStorage($field->getTargetEntityTypeId())
            ->countFieldData($field);
        if ($row_count > 0) {
            // The number of steps to delete each field is determined by the
            // purge_batch_size setting. For example if the field has 9 rows and the
            // batch size is 10 then this will add 1 step to $number_of_steps.
            $how_many_steps = ceil($row_count / $context['sandbox']['field']['purge_batch_size']);
            $context['sandbox']['field']['steps_to_delete'] += $how_many_steps;
        }
    }
    // Each field possibly needs one last field_purge_batch() call to remove the
    // last field and the field storage itself.
    $context['sandbox']['field']['steps_to_delete'] += count($fields);
    $context['sandbox']['field']['current_progress'] = 0;
}

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