/**
* Adds the given tag, and all of it's synonyms as a synonym.
*
* @param \wcf\data\tag\Tag $synonym
*/
public function addSynonym(Tag $synonym)
{
if ($synonym->tagID == $this->tagID) {
return;
}
// assign all associations for the synonym with this tag
$sql = "UPDATE IGNORE\twcf" . WCF_N . "_tag_to_object\n\t\t\tSET\t\ttagID = ?\n\t\t\tWHERE\t\ttagID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($this->tagID, $synonym->tagID));
// remove remaining associations (object was tagged with both tags => duplicate key previously ignored)
$sql = "DELETE FROM\twcf" . WCF_N . "_tag_to_object\n\t\t\tWHERE\t\ttagID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($synonym->tagID));
$editor = new TagEditor($synonym);
$editor->update(array('synonymFor' => $this->tagID));
$synonymList = new TagList();
$synonymList->getConditionBuilder()->add('synonymFor = ?', array($synonym->tagID));
$synonymList->readObjects();
foreach ($synonymList as $synonym) {
$this->addSynonym($synonym);
}
}
/**
* @see \wcf\page\IPage::readData()
*/
public function readData()
{
$this->languageID = $this->tagObj->languageID;
parent::readData();
if (empty($_POST)) {
$this->name = $this->tagObj->name;
$this->languageID = $this->tagObj->languageID;
}
$synonymList = new TagList();
$synonymList->getConditionBuilder()->add('synonymFor = ?', array($this->tagObj->tagID));
$synonymList->readObjects();
$this->synonyms = array();
foreach ($synonymList as $synonym) {
$this->synonyms[] = $synonym->name;
}
}