/**
* Used in the related videos module to get both premium and on-wiki videos.
* @param WikiaSearchConfig $searchConfig
* @return WikiaSearchResultSet
*/
public function getRelatedVideos(WikiaSearchConfig $searchConfig)
{
wfProfileIn(__METHOD__);
$filterQuery = sprintf('(%s OR %s) AND %s', self::valueForField('wid', $searchConfig->getCityId()), self::valueForField('wid', self::VIDEO_WIKI_ID, array('boost' => 2)), self::valueForField('is_video', 'true'));
$query = self::valueForField('wid', $searchConfig->getCityId());
if ($searchConfig->getPageId() != false) {
$query .= sprintf(' AND %s', self::valueForField('pageid', $searchConfig->getPageId()));
} else {
// tweakable heuristic:
// the document frequency for the interesting terms needs to be at least 50% of the wiki's pages
$data = $this->callMediaWikiAPI(array('action' => 'query', 'prop' => 'info|categories', 'inprop' => 'url|created|views|revcount', 'meta' => 'siteinfo', 'siprop' => 'statistics|wikidesc|variables|namespaces|category'));
if (isset($data['query']) && isset($data['query']['statistics']) && isset($data['query']['statistics']['articles'])) {
$searchConfig->setMindf((int) ($data['query']['statistics']['articles'] * 0.5));
}
$query .= ' AND ' . self::valueForField('iscontent', 'true');
}
$searchConfig->setQuery($query)->setMltFilterQuery($filterQuery)->setMltFields(array(self::field('title'), self::field('html'), 'title'));
wfProfileOut(__METHOD__);
return $this->moreLikeThis($searchConfig);
}
