/**
* Extracts data to be indexed from the tag
*
* @param eZTagsObject $tag
* @param array $tagIDs
* @param array $keywords
* @param bool $indexParentTags
* @param bool $includeSynonyms
*/
private function processTag(eZTagsObject $tag, array &$tagIDs, array &$keywords, $indexParentTags = false, $includeSynonyms = false)
{
if (!$this->indexSynonyms && $tag->isSynonym()) {
$tag = $tag->getMainTag();
}
//get keyword in content's locale
$keyword = $tag->getKeyword($this->ContentObjectAttribute->attribute('language_code'));
if (!$keyword) {
//fall back to main language
/** @var eZContentLanguage $mainLanguage */
$mainLanguage = eZContentLanguage::fetch($tag->attribute('main_language_id'));
if ($mainLanguage instanceof eZContentLanguage) {
$keyword = $tag->getKeyword($mainLanguage->attribute('locale'));
}
}
if ($keyword) {
$tagIDs[] = (int) $tag->attribute('id');
$keywords[] = $keyword;
}
if ($indexParentTags) {
$parentTags = $tag->getPath(true);
foreach ($parentTags as $parentTag) {
if ($parentTag instanceof eZTagsObject) {
$this->processTag($parentTag, $tagIDs, $keywords);
}
}
}
if ($this->indexSynonyms && $includeSynonyms) {
foreach ($tag->getSynonyms() as $synonym) {
if ($synonym instanceof eZTagsObject) {
$this->processTag($synonym, $tagIDs, $keywords);
}
}
}
}
