artesis_migration.module

<?php
/**
 * @file
 */

/**
 * IMPORTANT: File source and DB name (as written in settings.php) are HARDCODED
 * for the sake of simplicity. When migrating one has to:
 * 1. set legacy DB name (connection name as defined in settings.php $database definition) to AM_SOURCE_DB.
 * 2. create a symlink to legacy files called DRUPAL_ROOT . '/' . AM_FILES
 */
define('AM_SOURCE_DB', 'easyprofile');
define('AM_FILES', 'easyprofile_files');

/**
 * Implements hook_migrate_api().
 */
function artesis_migration_migrate_api() {
  return array('api' => 2);
}

/**
 * Implementation of hook_flush_caches().
 */
function artesis_migration_flush_caches() {
  artesis_migration_register_migrations();
}

/**
 * Register all of the migrations.
 */
function artesis_migration_register_migrations() {
  $common_arguments = array(
    'source_connection' => AM_SOURCE_DB,
    'source_version' => 7,
  );

  // The description and the migration machine name are also required arguments,
  // which will be unique for each migration you register.
  $arguments = $common_arguments + array(
    'description' => t('Migration of users'),
    'machine_name' => 'User',
  );
  // We just use the migrate_d2d D7 migration class as-is.
  Migration::registerMigration('DrupalUser7Migration', $arguments['machine_name'],
                               $arguments);

  // Again, we're using the migrate_d2d class directly.
  // The soft dependency says that while we don't have to run the user migration
  // first, we want to make sure it's listed first so the vocabularies are
  // listed right ahead of the node migrations.
  $common_vocabulary_arguments = $common_arguments + array(
    'soft_dependencies' => array('User'),
  );

  $vocabulary_arguments = array(
    'description' => t('Migration of Category terms'),
    'machine_name' => 'Category',
    'source_vocabulary' => 'category',
    'destination_vocabulary' => 'category',
  );
  $arguments = $common_vocabulary_arguments + $vocabulary_arguments;
  Migration::registerMigration('DrupalTerm7Migration', $arguments['machine_name'],
                               $arguments);

  $vocabulary_arguments = array(
    'description' => t('Migration of Tags terms'),
    'machine_name' => 'Tags',
    'source_vocabulary' => 'ding_content_tags',
    'destination_vocabulary' => 'ding_content_tags',
  );
  $arguments = $common_vocabulary_arguments + $vocabulary_arguments;
  Migration::registerMigration('DrupalTerm7Migration', $arguments['machine_name'],
                               $arguments);

  // File migration
  $arguments = $common_arguments + array(
    'class_name' => 'DrupalFile7Migration',
    'machine_name' => 'Files',
    'description' => t('Migration of files'),
     // @todo: file path may vary, need to clarify that before final deployment.
    'source_dir'  => DRUPAL_ROOT . '/' . AM_FILES,
    'user_migration' => 'User',
    'default_uid' => 1,
  );
  Migration::registerMigration($arguments['class_name'], $arguments['machine_name'], $arguments);

  // Node migrations - each has its own class derived from the migrate_d2d class,
  // specifying its particular field mappings and transformations. source_type
  // and destination_type are required arguments.
  $node_arguments = array(
    array(
      'class_name' => 'BaseNodeMigration',
      'description' => t('Migration of page nodes'),
      'machine_name' => 'Page',
      'source_type' => 'ding_page',
      'destination_type' => 'ding_page',
      'dependencies' => array('Tags', 'Category', 'Files'),
    ),
    array(
      'class_name' => 'BaseNodeMigration',
      'description' => t('Migration of news nodes'),
      'machine_name' => 'News',
      'source_type' => 'ding_news',
      'destination_type' => 'ding_news',
      'dependencies' => array('Tags', 'Category', 'Files'),
    ),
    array(
      'class_name' => 'EventMigration',
      'description' => t('Migration of event nodes'),
      'machine_name' => 'Event',
      'source_type' => 'ding_event',
      'destination_type' => 'ding_event',
      'dependencies' => array('Tags', 'Category', 'Files'),
    ),
    array(
      'class_name' => 'CampaignMigration',
      'description' => t('Migration of campaigns'),
      'machine_name' => 'Campaign',
      'source_type' => 'ding_campaign',
      'destination_type' => 'ding_campaign',
      'dependencies' => array('Tags', 'Category', 'Files', 'Page', 'News', 'Event'),
    ),
  );

  // Tell the node migrations where the users are coming from, so they can
  // set up the dependency and resolve D7->D7 uids.
  $common_node_arguments = $common_arguments + array(
    'user_migration' => 'User',
  );
  foreach ($node_arguments as $arguments) {
    $arguments = array_merge_recursive($arguments, $common_node_arguments);
    Migration::registerMigration($arguments['class_name'], $arguments['machine_name'],
                                 $arguments);
  }
}