function _tac_lite_get_terms in Taxonomy Access Control Lite 7

Same name and namespace in other branches

1. 8 tac_lite.module \_tac_lite_get_terms()
2. 5 tac_lite.module \_tac_lite_get_terms()
3. 6 tac_lite.module \_tac_lite_get_terms()

Gets terms from a node that belong to vocabularies selected for use by tac_lite

Parameters

$node: A node object

Return value

An array of term ids

1 call to _tac_lite_get_terms()

tac_lite_node_access_records in ./tac_lite.module

Implements hook_node_access_records().

File

./tac_lite.module, line 509

Control access to site content based on taxonomy, roles and users.

Code

function _tac_lite_get_terms($node) {
  $tids = array();

  // Get the vids that tac_lite cares about.
  $vids = variable_get('tac_lite_categories', NULL);
  if ($vids) {

    // Load all terms found in term reference fields.
    // This logic should work for all nodes (published or not).
    $terms_by_vid = tac_lite_node_get_terms($node);
    if (!empty($terms_by_vid)) {
      foreach ($vids as $vid) {
        if (!empty($terms_by_vid[$vid])) {
          foreach ($terms_by_vid[$vid] as $tid => $term) {
            $tids[$tid] = $tid;
          }
        }
      }
    }

    // The logic above should have all terms already, but just in case we use
    // the "original" logic below.  The taxonomy module stopped writing to the
    // taxonomy_index for unpublished nodes, so this works only for published
    // nodes.
    $query = db_select('taxonomy_index', 'r');
    $t_alias = $query
      ->join('taxonomy_term_data', 't', 'r.tid = t.tid');
    $v_alias = $query
      ->join('taxonomy_vocabulary', 'v', 't.vid = v.vid');
    $query
      ->fields($t_alias);
    $query
      ->condition("r.nid", $node->nid);
    $query
      ->condition("t.vid", $vids, 'IN');
    $result = $query
      ->execute();
    foreach ($result as $term) {
      if (empty($tids[$term->tid])) {
        watchdog('tac_lite', 'Unexpected term id %tid associated with !node.  Please report this to !url.', array(
          '%tid' => $term->tid,
          '!node' => l($node->title, 'node/' . $node->nid),
          '!url' => 'https://drupal.org/node/1918272',
        ), WATCHDOG_DEBUG);
      }
      $tids[$term->tid] = $term->tid;
    }
  }
  elseif (user_access('administer tac_lite')) {
    drupal_set_message(t('tac_lite.module enabled, but not <a href=!admin_url>configured</a>. No tac_lite terms associated with %title.', array(
      '!admin_url' => url('admin/config/people/tac_lite'),
      '%title' => $node->title,
    )));
  }
  return $tids;
}