function _ctools_buildQuery

Use EntityReference_SelectionHandler_Generic class to build our search query.

File

includes/content.menu.inc, line 68

Code

function _ctools_buildQuery($entity_type, $entity_info, $match = NULL, $match_operator = 'CONTAINS') {
    $base_table = $entity_info['base table'];
    $label_key = $entity_info['entity keys']['label'];
    $query = db_select($base_table)->fields($base_table, array(
        $entity_info['entity keys']['id'],
    ));
    if (isset($match)) {
        if (isset($label_key)) {
            $query->condition($base_table . '.' . $label_key, '%' . $match . '%', $match_operator);
        }
        else {
            return array();
        }
    }
    // Add a generic entity access tag to the query.
    $query->addTag('ctools');
    // We have to perform two checks. First check is a query alter (with tags)
    // in an attempt to only return results that have access. However, this is
    // not full-proof since entities many not implement hook_access query tag.
    // This is why we have a second check after entity load, before we display
    // the label of an entity.
    if ($entity_type == 'comment') {
        // Adding the 'comment_access' tag is sadly insufficient for comments: core

        // requires us to also know about the concept of 'published' and

        // 'unpublished'.
        if (!user_access('administer comments')) {
            $query->condition('comment.status', COMMENT_PUBLISHED);
        }
        // Join to a node if the user does not have node access bypass permissions

        // to obey node published permissions.
        if (!user_access('bypass node access')) {
            $node_alias = $query->innerJoin('node', 'n', '%alias.nid = comment.nid');
            $query->condition($node_alias . '.status', NODE_PUBLISHED);
        }
        $query->addTag('node_access');
    }
    else {
        $query->addTag($entity_type . '_access');
    }
    // Add the sort option.
    if (isset($label_key)) {
        $query->orderBy($base_table . '.' . $label_key, 'ASC');
    }
    return $query;
}