migrate.inc in Matrix field 8.2

Hook implementations to assist with the migration from Drupal 6 to 7

File

migrate.inc

<?php

// $Id$

/**
 * @file
 * Hook implementations to assist with the migration from Drupal 6 to 7
 */

/**
 * Implementation of hook_content_migrate_field_alter()
 */
function matrix_content_migrate_field_alter(&$field_value, $instance_value) {
  switch ($instance_value['widget']['module']) {
    case 'matrix':
      $field_value['module'] = 'matrix';
      $field_value['type'] = 'matrix_text';
      break;
  }
}

/**
 * Implementation of hook_content_migrate_data_record_alter().
 *
 * The data in matrix has a one-to-many relationship from node to data
 * This hook does the inserts rather than content_migrate which assumes a one-to-one relationship
 */
function matrix_content_migrate_data_record_alter(&$record, $field) {
  switch ($field['type']) {
    case 'matrix_text':
    case 'matrix_custom':
      $new_table = content_migrate_new_table($field);
      $new_revision_table = content_migrate_new_revision($field);
      $result = db_query("SELECT * FROM {node_field_matrix_data} WHERE nid = :nid AND vid = :vid AND field_name = :field_name", array(
        ':nid' => $record['entity_id'],
        ':vid' => $record['revision_id'],
        ':field_name' => $field['field_name'],
      ));
      foreach ($result as $row) {
        $record[$field['field_name'] . '_row'] = $row->row + 1;
        $record[$field['field_name'] . '_col'] = $row->col + 1;
        $record[$field['field_name'] . '_value'] = $row->value;
        if (!empty($record)) {
          if ($record['revision_id'] == $row->vid) {
            \Drupal::database()
              ->insert($new_table)
              ->fields($record)
              ->execute();
          }
          \Drupal::database()
            ->insert($new_revision_table)
            ->fields($record)
            ->execute();
        }
        $record['delta']++;
      }
      $record = array();

      //prevent content_migrate from processing anything
      break;
  }
}

Functions

Name	Description
matrix_content_migrate_data_record_alter	Implementation of hook_content_migrate_data_record_alter().
matrix_content_migrate_field_alter	Implementation of hook_content_migrate_field_alter()