private function searchTextReal($term, SearchConfig $config = null)
{
global $wgCirrusSearchInterwikiSources;
// Convert the unicode character 'idiographic whitespace' into standard
// whitespace. Cirrussearch treats them both as normal whitespace, but
// the preceding isn't appropriatly trimmed.
$term = trim(str_replace(" ", " ", $term));
// No searching for nothing! That takes forever!
if (!$term) {
return null;
}
$context = RequestContext::getMain();
$request = $context->getRequest();
$user = $context->getUser();
if ($config) {
$this->indexBaseName = $config->getWikiId();
}
$searcher = new Searcher($this->connection, $this->offset, $this->limit, $config, $this->namespaces, $user, $this->indexBaseName);
// Ignore leading ~ because it is used to force displaying search results but not to effect them
if (substr($term, 0, 1) === '~') {
$term = substr($term, 1);
$searcher->addSuggestPrefix('~');
}
// TODO remove this when we no longer have to support core versions without
// Ie946150c6796139201221dfa6f7750c210e97166
if (method_exists($this, 'getSort')) {
$searcher->setSort($this->getSort());
}
$dumpQuery = $request && $request->getVal('cirrusDumpQuery') !== null;
$searcher->setReturnQuery($dumpQuery);
$dumpResult = $request && $request->getVal('cirrusDumpResult') !== null;
$searcher->setDumpResult($dumpResult);
$returnExplain = $request && $request->getVal('cirrusExplain') !== null;
$searcher->setReturnExplain($returnExplain);
// Delegate to either searchText or moreLikeThisArticle and dump the result into $status
if (substr($term, 0, strlen(self::MORE_LIKE_THIS_PREFIX)) === self::MORE_LIKE_THIS_PREFIX) {
$term = substr($term, strlen(self::MORE_LIKE_THIS_PREFIX));
$status = $this->moreLikeThis($term, $searcher, Searcher::MORE_LIKE_THESE_NONE);
} else {
if (substr($term, 0, strlen(self::MORE_LIKE_THIS_JUST_WIKIBASE_PREFIX)) === self::MORE_LIKE_THIS_JUST_WIKIBASE_PREFIX) {
$term = substr($term, strlen(self::MORE_LIKE_THIS_JUST_WIKIBASE_PREFIX));
$status = $this->moreLikeThis($term, $searcher, Searcher::MORE_LIKE_THESE_ONLY_WIKIBASE);
} else {
# Namespace lookup should not be done for morelike special syntax (T111244)
if ($this->lastNamespacePrefix) {
$searcher->addSuggestPrefix($this->lastNamespacePrefix);
} else {
$searcher->updateNamespacesFromQuery($term);
}
$highlightingConfig = FullTextResultsType::HIGHLIGHT_ALL;
if ($request) {
if ($request->getVal('cirrusSuppressSuggest') !== null) {
$this->showSuggestion = false;
}
if ($request->getVal('cirrusSuppressTitleHighlight') !== null) {
$highlightingConfig ^= FullTextResultsType::HIGHLIGHT_TITLE;
}
if ($request->getVal('cirrusSuppressAltTitle') !== null) {
$highlightingConfig ^= FullTextResultsType::HIGHLIGHT_ALT_TITLE;
}
if ($request->getVal('cirrusSuppressSnippet') !== null) {
$highlightingConfig ^= FullTextResultsType::HIGHLIGHT_SNIPPET;
}
if ($request->getVal('cirrusHighlightDefaultSimilarity') === 'no') {
$highlightingConfig ^= FullTextResultsType::HIGHLIGHT_WITH_DEFAULT_SIMILARITY;
}
if ($request->getVal('cirrusHighlightAltTitleWithPostings') === 'no') {
$highlightingConfig ^= FullTextResultsType::HIGHLIGHT_ALT_TITLES_WITH_POSTINGS;
}
}
if ($this->namespaces && !in_array(NS_FILE, $this->namespaces)) {
$highlightingConfig ^= FullTextResultsType::HIGHLIGHT_FILE_TEXT;
}
$searcher->setResultsType(new FullTextResultsType($highlightingConfig, $config ? $config->getWikiCode() : ''));
$status = $searcher->searchText($term, $this->showSuggestion);
}
}
if ($dumpQuery || $dumpResult) {
// When dumping the query we skip _everything_ but echoing the query.
$context->getOutput()->disable();
$request->response()->header('Content-type: application/json; charset=UTF-8');
if ($status->getValue() === null) {
echo '{}';
} else {
echo json_encode($status->getValue());
}
exit;
}
$this->lastSearchMetrics = $searcher->getSearchMetrics();
// Add interwiki results, if we have a sane result
// Note that we have no way of sending warning back to the user. In this case all warnings
// are logged when they are added to the status object so we just ignore them here....
if ($status->isOK() && $wgCirrusSearchInterwikiSources && $status->getValue() && method_exists($status->getValue(), 'addInterwikiResults')) {
// @todo @fixme: This should absolutely be a multisearch. I knew this when I
// wrote the code but Searcher needs some refactoring first.
foreach ($wgCirrusSearchInterwikiSources as $interwiki => $index) {
$iwSearch = new InterwikiSearcher($this->connection, $this->namespaces, $user, $index, $interwiki);
$interwikiResult = $iwSearch->getInterwikiResults($term);
if ($interwikiResult) {
$status->getValue()->addInterwikiResults($interwikiResult);
}
}
}
// For historical reasons all callers of searchText interpret any Status return as an error
// so we must unwrap all OK statuses. Note that $status can be "good" and still contain null
// since that is interpreted as no results.
return $status->isOk() ? $status->getValue() : $status;
}
