upgrade_group_description.inc in Organic groups 7

File

og_migrate/plugins/og_migrate/upgrade_group_description.inc

<?php

/**
 * Plugin definition.
 */
$plugin = array(
  'name' => t('Group description'),
  'access callback' => 'og_migrate_7000_access',
  'migrate callback' => 'og_migrate_og_migrate_upgrade_group_description',
  'dependencies' => array(
    'upgrade_group',
  ),
);

/**
 * OG Migrate callback; Upgrade "group" nodes.
 */
function og_migrate_og_migrate_upgrade_group_description(&$context) {
  if (empty($context['sandbox'])) {
    $context['sandbox']['progress'] = 0;
    $context['sandbox']['last'] = 0;

    // Calculate max items.
    $query = db_select('node_revision', 'nr');
    $query
      ->innerJoin('node', 'n', 'n.vid = nr.vid');
    $query
      ->innerJoin('d6_og', 'og', 'n.nid = og.nid');
    $context['sandbox']['max'] = $query
      ->countQuery()
      ->execute()
      ->fetchField();
    if (!$context['sandbox']['max']) {

      // No data to process, so return.
      $context['finished'] = 1;
      return;
    }
  }

  // Operate on every revision of every node, in batches.
  $batch_size = variable_get('og_batch_size', 200);
  $query = db_select('node_revision', 'nr');
  $query
    ->innerJoin('node', 'n', 'n.vid = nr.vid');
  $query
    ->innerJoin('d6_og', 'og', 'n.nid = og.nid');
  $query
    ->fields('nr', array(
    'nid',
    'vid',
  ))
    ->fields('n', array(
    'type',
    'created',
  ))
    ->fields('og', array(
    'upgrade_id',
    'og_description',
  ))
    ->condition('og.upgrade_id', $context['sandbox']['last'], '>')
    ->orderBy('og.upgrade_id', 'ASC')
    ->range(0, $batch_size);
  $revisions = $query
    ->execute();

  // Holds the node IDs with their earliest revision and timestamp, to create a
  // group entity with the earliest timestamp.
  $nids = array();
  foreach ($revisions as $revision) {

    // Create a dummy node object.
    $node = (object) array(
      'nid' => $revision->nid,
      'vid' => $revision->vid,
      'type' => $revision->type,
    );
    if (empty($nids[$revision->nid]) || $nids[$revision->nid] > $revision->created) {
      $nids[$revision->nid] = $revision->created;
    }
    if (!empty($revision->og_description)) {
      $node->og_description[LANGUAGE_NONE][0]['value'] = $revision->og_description;
    }
    field_attach_update('node', $node);
    $context['sandbox']['last'] = $revision->upgrade_id;
  }
  if ($nids) {
    foreach ($nids as $nid => $created) {

      // New group created, so add it to the total count.
      $context['sandbox']['progress']++;
    }
  }
  if ($context['sandbox']['progress'] < $context['sandbox']['max']) {
    $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
  }
}

Functions

Name	Description
og_migrate_og_migrate_upgrade_group_description	OG Migrate callback; Upgrade "group" nodes.