/**
* Add a tag if not already existing.
*
* @param string Name of the tag.
* @param IDF_Project Project of the tag.
* @param string Class of the tag (IDF_TAG_DEFAULT_CLASS)
* @return IDF_Tag The tag.
*/
public static function add($name, $project, $class = IDF_TAG_DEFAULT_CLASS)
{
$class = trim($class);
$name = trim($name);
$gtag = new IDF_Tag();
$sql = new Pluf_SQL('class=%s AND lcname=%s AND project=%s', array($class, mb_strtolower($name), $project->id));
$tags = $gtag->getList(array('filter' => $sql->gen()));
if ($tags->count() < 1) {
// create a new tag
$tag = new IDF_Tag();
$tag->name = $name;
$tag->class = $class;
$tag->project = $project;
$tag->create();
return $tag;
}
return $tags[0];
}
