/**
* Check whether we want to try another language.
* @param string $term Search term
* @return array|null Array of (interwiki, dbname) for another wiki to try, or null
*/
private function hasSecondaryLanguage($term)
{
if (empty($GLOBALS['wgCirrusSearchLanguageToWikiMap']) || empty($GLOBALS['wgCirrusSearchWikiToNameMap'])) {
// map's empty - no need to bother with detection
return null;
}
// check whether we have second language functionality enabled
if (!$GLOBALS['wgCirrusSearchEnableAltLanguage']) {
return null;
}
$lang = Searcher::detectLanguage($term);
if (empty($GLOBALS['wgCirrusSearchLanguageToWikiMap'][$lang])) {
return null;
}
$interwiki = $GLOBALS['wgCirrusSearchLanguageToWikiMap'][$lang];
if (empty($GLOBALS['wgCirrusSearchWikiToNameMap'][$interwiki])) {
return null;
}
$interWikiId = $GLOBALS['wgCirrusSearchWikiToNameMap'][$interwiki];
if ($interWikiId == wfWikiID()) {
// we're back to the same wiki, no use to try again
return null;
}
return array($interwiki, $interWikiId);
}
