function book_copy_copy_book in Book Copy 6

Same name and namespace in other branches

1. 7 book_copy.module \book_copy_copy_book()

This function is intended to be called via drupals batch processing system and will clone an entire or partial book.

Parameters

object $book The book from which we are cloning content:

int $subtree The nid to start cloning from if 0 all book pages will be copied: if non-zero then only those nodes under the given nid in the tree hierarchy will be copied

array $context used to maintain state via batch code:

1 string reference to 'book_copy_copy_book'

book_copy_confirm_copy_submit in ./book_copy.module

File

./book_copy.module, line 108

Code

function book_copy_copy_book($book, $subtree = 0, &$context) {
  if (isset($book->book)) {
    $bid = $book->book['bid'];
    $book = node_load(array(
      'nid' => $bid,
    ));
    module_load_include('inc', 'clone', 'clone.pages');
    if (!isset($context['sandbox']['progress'])) {
      $nodes = book_copy_find_subtree($bid, $subtree);
      $context['sandbox']['newbid'] = 0;
      $context['sandbox']['max'] = count($nodes);
      $context['sandbox']['nodes'] = $nodes;
      $context['sandbox']['progress'] = 0;
      $context['sandbox']['finished'] = 0;
      $context['sandbox']['mlinks'] = array();
      $context['sandbox']['nidmap'] = array();
      $context['sandbox']['mlidmap'] = array();
    }
    if (!empty($context['sandbox']['nodes'])) {
      while ($context['sandbox']['progress'] < $context['sandbox']['max']) {
        $nid = $nodes[$context['sandbox']['progress']];
        $sql = 'SELECT ml.* FROM {menu_links} ml LEFT JOIN {book} b ON b.mlid = ml.mlid WHERE b.bid = %d AND b.nid = %d';
        $result = db_query($sql, $bid, $nid);
        $row = db_fetch_array($result);
        $plid = $row['plid'];
        $mlid = $row['mlid'];
        $context['sandbox']['progress']++;

        // copy each node keeping reference to new nid via old nid (this copies the old book structure)
        $context['sandbox']['nidmap'][$nid] = clone_node_save($nid);

        // clone_node_save() returns the nid of the new node.
        $node = node_load(array(
          'nid' => $context['sandbox']['nidmap'][$nid],
        ));
        $context['sandbox']['mlidmap'][$mlid] = $node->book['mlid'];
        if ($context['sandbox']['newbid'] == 0) {
          $context['sandbox']['newbid'] = $context['sandbox']['nidmap'][$nid];
          $message = $row['link_title'];

          // The function signature is: hook_book_copy_alter(&$node, $oldbid, $newbid);
          drupal_alter("book_copy", $node, $bid, $context['sandbox']['newbid']);

          // fix batch redirect, we didn't have the nid when batch_set() was called
          $batch =& batch_get();
          $data = book_copy_copy_redirection($context['sandbox']['newbid']);
          $batch['redirect'] = $data['url'];
        }
        if ($subtree != 0 || $node->nid != $context['sandbox']['newbid']) {

          // we need to set the bid for this node;
          $node->book['bid'] = $context['sandbox']['newbid'];
          node_save($node);
        }

        // fix lower level nested links
        if (isset($context['sandbox']['mlidmap'][$plid])) {
          $node->book['plid'] = $context['sandbox']['mlidmap'][$plid];
          menu_link_save($node->book);
        }
      }
    }
  }
  if ($context['sandbox']['progress'] < $context['sandbox']['max']) {
    $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
  }
  else {
    if ($context['sandbox']['progress'] != 0) {
      $context['finished'] = 1;
    }
  }
  if ($context['finished'] == 1) {
    foreach ($context['sandbox']['nidmap'] as $snid => $nid) {
      db_query('INSERT INTO {book_copy_history} (nid, bid, sbid, snid, copied) VALUES (%d, %d, %d, %d, %d)', $nid, $context['sandbox']['newbid'], $bid, $snid, time());
    }
  }
}