ConvertNodes.php in Convert Nodes 8

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src/ConvertNodes.php
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<?php

namespace Drupal\convert_nodes;

use Drupal\node\Entity\Node;
use Drupal\Core\Render\Markup;
use Drupal\Core\Database\Database;

/**
 * ConvertNodes.
 */
class ConvertNodes {

  /**
   * {@inheritdoc}
   */
  public static function getFromFields($fields_from, $fields_to_names, $fields_to_types) {
    $fields_from_names = [];
    $form = [];
    foreach ($fields_from as $field) {
      $options = $fields_to_names;
      foreach ($options as $option => $label) {

        // Because might be target_id.
        $val_name = $field
          ->getFieldStorageDefinition()
          ->getMainPropertyName();

        // Because some data types are more complex.
        $data_type = '';
        $type = $field
          ->getType();
        if (empty($field
          ->getFieldStorageDefinition()
          ->getPropertyDefinition($val_name))) {
          $data_type = $type;
        }
        else {
          $data_type = $field
            ->getFieldStorageDefinition()
            ->getPropertyDefinition($val_name)
            ->getDataType();
        }
        if (!in_array($option, [
          'remove',
          'append_to_body',
        ]) && $fields_to_types[$option] != $data_type) {
          unset($options[$option]);
        }
      }
      if ($field
        ->getFieldStorageDefinition()
        ->isBaseField() == FALSE) {
        $fields_from_names[] = $field
          ->getName();
        $form[$field
          ->getName()] = [
          '#type' => 'select',
          '#title' => t('From Field [@field_name] @field_label:<br/> To Field', [
            '@field_name' => $field
              ->getName(),
            '@field_label' => is_object($field
              ->getLabel()) ? $field
              ->getLabel()
              ->render() : $field
              ->getLabel(),
          ]),
          '#options' => $options,
          '#default_value' => array_key_exists($field
            ->getName(), $fields_to_names) ? $field
            ->getName() : NULL,
        ];
      }
    }
    return [
      'fields_from_names' => $fields_from_names,
      'fields_from_form' => $form,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public static function getToFields($fields_to) {
    $fields_to_names = [];
    $fields_to_types = [];

    // Add some extra options for the form.
    $fields_to_names['remove'] = 'remove';
    $fields_to_names['append_to_body'] = 'append_to_body';

    // Get the to fields in an array.
    foreach ($fields_to as $field) {
      if ($field
        ->getFieldStorageDefinition()
        ->isBaseField() == FALSE) {

        // Because might be target_id.
        $val_name = $field
          ->getFieldStorageDefinition()
          ->getMainPropertyName();

        // Because some data types are more complex.
        $data_type = '';
        $type = $field
          ->getType();
        if (empty($field
          ->getFieldStorageDefinition()
          ->getPropertyDefinition($val_name))) {
          $data_type = $type;
        }
        else {
          $data_type = $field
            ->getFieldStorageDefinition()
            ->getPropertyDefinition($val_name)
            ->getDataType();
        }
        $fields_to_names[$field
          ->getName()] = '[' . $field
          ->getName() . '] ' . (is_object($field
          ->getLabel()) ? $field
          ->getLabel()
          ->render() : $field
          ->getLabel());
        $fields_to_types[$field
          ->getName()] = $data_type;
      }
    }
    return [
      'fields_to_names' => $fields_to_names,
      'fields_to_types' => $fields_to_types,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public static function getContentTypes() {
    $contentTypes = \Drupal::service('entity_type.manager')
      ->getStorage('node_type')
      ->loadMultiple();
    $contentTypesList = [];
    foreach ($contentTypes as $contentType) {
      $contentTypesList[$contentType
        ->id()] = $contentType
        ->label();
    }
    return $contentTypesList;
  }

  /**
   * {@inheritdoc}
   */
  public static function getBaseTableNames() {
    $storage = \Drupal::service('entity_type.manager')
      ->getStorage('node');

    // Get the names of the base tables.
    $base_table_names = [];
    $base_table_names[] = $storage
      ->getBaseTable();
    $base_table_names[] = $storage
      ->getDataTable();
    return $base_table_names;
  }

  /**
   * {@inheritdoc}
   */
  public static function sortUserInput($userInput, $fields_new_to, $fields_from) {

    // Get user input and set up vars.
    $map_fields = [];
    $update_fields = [];

    // Remove stuff we don't need.
    $unset_data = [
      'op',
      'form_build_id',
      'form_token',
      'form_id',
    ];
    foreach ($userInput as $from => $to) {
      if (in_array($from, $unset_data)) {
        continue;
      }
      if ($from == $to) {
        $update_fields[] = $from;
      }
      elseif (in_array($from, $fields_new_to) && !in_array($from, $userInput)) {
        $map_fields['create_new'][] = [
          'field' => $from,
          'value' => $to,
        ];
      }
      else {
        $map_fields[$from] = [
          'field' => $to,
          'from_label' => $fields_from[$from]
            ->getLabel(),
          // This will come in later.
          'value' => [],
        ];
      }
    }
    return [
      'map_fields' => $map_fields,
      'update_fields' => $update_fields,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public static function getFieldTableNames($fields_from) {
    $table_mapping = \Drupal::service('entity_type.manager')
      ->getStorage('node')
      ->getTableMapping();
    $field_table_names = [];
    foreach ($fields_from as $field) {
      if ($field
        ->getFieldStorageDefinition()
        ->isBaseField() == FALSE) {
        $field_name = $field
          ->getName();
        $field_table = $table_mapping
          ->getFieldTableName($field_name);
        $field_table_names[$field_name] = $field_table;
        $field_storage_definition = $field
          ->getFieldStorageDefinition();
        $field_revision_table = $table_mapping
          ->getDedicatedRevisionTableName($field_storage_definition);

        // Field revision tables DO have the bundle!
        $field_table_names[$field_name . '_revision'] = $field_revision_table;
      }
    }
    return $field_table_names;
  }

  /**
   * {@inheritdoc}
   */
  public static function getNids($from_type) {

    // Get the node IDs to update.
    $query = \Drupal::service('entity_type.manager')
      ->getStorage('node')
      ->getQuery();

    //$query = \Drupal::service('entity.query')->get('node');
    $query
      ->condition('type', $from_type);
    $nids = $query
      ->execute();
    return array_values($nids);
  }

  /**
   * {@inheritdoc}
   */
  public static function convertBaseTables($base_table_names, $nids, $to_type, &$context) {
    $message = 'Converting Base Tables...';
    $results = [];
    $db = Database::getConnection();

    // Base tables have 'nid' and 'type' columns.
    foreach ($base_table_names as $table_name) {
      $results[] = $db
        ->update($table_name)
        ->fields([
        'type' => $to_type,
      ])
        ->condition('nid', $nids, 'IN')
        ->execute();
    }
    $context['message'] = $message;
    $context['results'] = $results;
  }

  /**
   * {@inheritdoc}
   */
  public static function convertFieldTables($field_table_names, $nids, $to_type, $update_fields, &$context) {
    $message = 'Converting Field Tables...';
    $results = [];
    $db = Database::getConnection();

    // Field tables have 'entity_id' and 'bundle' columns.
    foreach ($field_table_names as $field_name => $table_name) {

      // Only do this when from and to fields are the same.
      if (in_array(str_replace('_revision', '', $field_name), $update_fields)) {
        $results[] = $db
          ->update($table_name)
          ->fields([
          'bundle' => $to_type,
        ])
          ->condition('entity_id', $nids, 'IN')
          ->execute();
      }
    }
    $context['message'] = $message;
    $context['results'] = $results;
  }

  /**
   * {@inheritdoc}
   */
  public static function addNewFields($nids, $limit, $map_fields, &$context) {
    if (empty($context['sandbox'])) {

      // Flush cache so we recognize new bundle type before updates.
      drupal_flush_all_caches();
      $context['sandbox']['progress'] = 0;
      $context['sandbox']['current_id'] = 0;
      $context['sandbox']['max'] = count($nids);
    }
    $current_nids = array_slice($nids, $context['sandbox']['current_id'], $limit, TRUE);
    foreach ($current_nids as $key => $nid) {
      $node = Node::load($nid);
      foreach ($map_fields as $map_from => $map_to) {
        if (isset($map_to['field']) && $map_to['field'] == 'remove') {
          continue;
        }
        $value = '';

        // TODO Need to get multiple values.
        if ($node->{$map_from}) {

          // Because might be target_id.
          $val_name = $node->{$map_from}
            ->getFieldDefinition()
            ->getFieldStorageDefinition()
            ->getMainPropertyName();
          $value = $node->{$map_from}->{$val_name};

          // Because datetime/date may need converting
          // TODO date with time did not insert into date only fields
          // need to test if date without time will insert into date with time
          // or better yet, find a better way to do this.
          $from_type = $node->{$map_from}
            ->getFieldDefinition()
            ->getFieldStorageDefinition()
            ->getType();
          $to_type = $fields_to[$map_to['field']];
          if (!empty($to_type) && in_array('datetime', [
            $to_type,
            $from_type,
          ])) {
            $date = new \DateTime($value);
            $value = $date
              ->format('Y-m-d');
          }
        }
        if ($map_from == 'create_new') {
          foreach ($map_to as $field) {
            if (isset($field['value']['target_id'])) {
              $node
                ->get($field['field'])
                ->setValue($field['value']['target_id'][0]);
              if (count($field['value']['target_id']) > 1) {
                $first_value = array_shift($field['value']['target_id']);
                foreach ($field['value']['target_id'] as $value) {
                  $node
                    ->get($field['field'])
                    ->appendItem($value);
                }
                array_unshift($field['value']['target_id'], $first_value);
              }
            }
            else {
              $node
                ->get($field['field'])
                ->setValue($field['value']);
            }
          }
        }
        elseif ($map_to['field'] == 'append_to_body') {
          $body = $node
            ->get('body')
            ->getValue()[0];
          $markup = Markup::create($body['value'] . '<strong>' . $map_to['from_label'] . '</strong><p>' . $value . '</p>');
          $node
            ->get('body')
            ->setValue([
            [
              'value' => $markup,
              'summary' => $body['summary'],
              'format' => $body['format'],
            ],
          ]);
        }
        elseif (!empty($value)) {
          $val_name = $node->{$map_to}['field']
            ->getFieldDefinition()
            ->getFieldStorageDefinition()
            ->getMainPropertyName();
          $node
            ->get($map_to['field'])
            ->setValue([
            [
              $val_name => $value,
            ],
          ]);
        }
      }
      $node
        ->save();
      $context['results'][] = $nid;
      $context['sandbox']['progress']++;
      $context['sandbox']['current_id'] = $key;
      $context['message'] = t('Adding fields for node @node of @total.', [
        '@node' => $key + 1,
        '@total' => $context['sandbox']['max'],
      ]);
    }
    if ($context['sandbox']['progress'] != $context['sandbox']['max']) {
      $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function convertNodesFinishedCallback($success, $results, $operations) {

    // The 'success' parameter means no fatal PHP errors were detected. All
    // other error management should be handled using 'results'.
    if ($success) {
      $message = \Drupal::translation()
        ->formatPlural(count($results), 'One operation processed.', '@count operations processed.');
    }
    else {
      $message = t('Finished with an error.');
    }
    \Drupal::messenger()
      ->addStatus($message);
  }

}
Classes

Name	Description
ConvertNodes	ConvertNodes.
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ConvertNodes.php in Convert Nodes 8

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