function book_copy_can_copy in Book Copy 6

Given a book id and an optional subtree (nid) this function determines if the user can copy the given book.

Parameters

$bid the book nid in question:

$subtree optional if non-zero then the subtree pertainind to the nid supplied: will be checked

$data an optional array where results will be saved. This will track why a user: may not be able to copy a book or book sub-tree.

Return value

TRUE if the user can copy the book FALSE otherwise

2 calls to book_copy_can_copy()

book_copy_explain in ./book_copy.module

book_copy_link in ./book_copy.module

Implementatin of hook_link()

1 string reference to 'book_copy_can_copy'

book_copy_menu in ./book_copy.module

implementation of hook_menu

File

./book_copy.module, line 432

Code

function book_copy_can_copy($bid, $subtree = 0, &$data = array()) {
  if (is_object($bid)) {
    $bid = $bid->book['bid'];
  }
  if (is_object($subtree)) {
    $subtree = $subtree->nid;
  }
  $nodes = book_copy_find_subtree($bid, $subtree);
  $data = array();
  $data['headers'] = array(
    'node' => t('Book page'),
    'filter' => t('Input format'),
    'create' => t('Create node type'),
  );
  $can_copy = TRUE;
  if (user_access('copy books')) {
    if (!empty($nodes)) {
      foreach ($nodes as $nid) {
        $node = node_load(array(
          'nid' => $nid,
        ));
        $data[$nid]['node'] = l($node->title, 'node/' . $nid);
        if (!filter_access($node->format)) {
          $can_copy = FALSE;
          $data[$nid]['filter']['status'] = FALSE;
          $data[$nid]['filter']['message'] = $node->format;
        }
        else {
          $data[$nid]['filter']['status'] = TRUE;
        }
        if (!node_access('create', $node->type)) {
          $can_copy = FALSE;
          $data[$nid]['create']['status'] = FALSE;
          $data[$nid]['create']['message'] = $node->type;
        }
        else {
          $data[$nid]['create']['status'] = TRUE;
        }
      }
      return $can_copy;
    }
  }
  else {
    return FALSE;
  }
}