/**
* Check if a given Tag object already exists in the database.
*
* @param Tag $tag The tag to look for in the database.
* @return bool
*/
public function tagExists($tag)
{
$sql = 'SELECT `id`, `uid`, `type`, `category` FROM `' . $this->getTableName() . '` ' . 'WHERE `uid` = ? AND `type` = ? AND `category` = ?';
try {
$this->findEntity($sql, array($tag->getOwner(), $tag->getType(), $tag->getName()));
} catch (DoesNotExistException $e) {
return false;
}
return true;
}
/**
* Returns an array mapping a given tag's properties to its values:
* ['id' => 0, 'name' = 'Tag', 'owner' = 'User', 'type' => 'tagtype']
*
* @param Tag $tag The tag that is going to be mapped
* @return array
*/
private function tagMap(Tag $tag)
{
return array('id' => $tag->getId(), 'name' => $tag->getName(), 'owner' => $tag->getOwner(), 'type' => $tag->getType());
}
