function _taxonomy_devel_generate

File

devel_generate/taxonomy.devel_generate.inc, line 12

Code

function _taxonomy_devel_generate($object, $field, $instance, $bundle) {
    $object_field = array();
    // TODO: For free tagging vocabularies that do not already have terms, this
    // will not result in any tags being added.
    $machine_name = $field['settings']['allowed_values'][0]['vocabulary'];
    $vocabulary = taxonomy_vocabulary_machine_name_load($machine_name);
    if ($max = db_query('SELECT MAX(tid) FROM {taxonomy_term_data} WHERE vid = :vid', array(
        ':vid' => $vocabulary->vid,
    ))
        ->fetchField()) {
        $candidate = mt_rand(1, $max);
        $query = db_select('taxonomy_term_data', 't');
        $tid = $query->fields('t', array(
            'tid',
        ))
            ->condition('t.vid', $vocabulary->vid, '=')
            ->condition('t.tid', $candidate, '>=')
            ->range(0, 1)
            ->execute()
            ->fetchField();
        // If there are no terms for the taxonomy, the query will fail, in which
        // case we return NULL.
        if ($tid === FALSE) {
            return NULL;
        }
        $object_field['tid'] = (int) $tid;
        return $object_field;
    }
}