/**
* Add a title to the link cache, return the page_id or zero if non-existent
*
* @param LinkTarget $nt LinkTarget object to add
* @return int Page ID or zero
*/
public function addLinkObj(LinkTarget $nt)
{
$key = $this->titleFormatter->getPrefixedDBkey($nt);
if ($this->isBadLink($key) || $nt->isExternal() || $nt->inNamespace(NS_SPECIAL)) {
return 0;
}
$id = $this->getGoodLinkID($key);
if ($id != 0) {
return $id;
}
if ($key === '') {
return 0;
}
// Some fields heavily used for linking...
$db = $this->mForUpdate ? wfGetDB(DB_MASTER) : wfGetDB(DB_SLAVE);
$row = $db->selectRow('page', self::getSelectFields(), ['page_namespace' => $nt->getNamespace(), 'page_title' => $nt->getDBkey()], __METHOD__);
if ($row !== false) {
$this->addGoodLinkObjFromRow($nt, $row);
$id = intval($row->page_id);
} else {
$this->addBadLinkObj($nt);
$id = 0;
}
return $id;
}
/**
* Returns a wikitext link to the given page, using the given surface text.
*
* @param TitleValue $page The link's target
* @param string $text The link's surface text (will be derived from $page if not given).
*
* @return string
*/
public function renderWikitextLink(TitleValue $page, $text = null)
{
if ($text === null) {
$text = $this->formatter->getFullText($page);
}
$name = $this->formatter->getFullText($page);
return '[[:' . $name . '|' . wfEscapeWikiText($text) . ']]';
}
/**
* Add a title to the link cache, return the page_id or zero if non-existent
*
* @param LinkTarget $nt LinkTarget object to add
* @return int Page ID or zero
*/
public function addLinkObj(LinkTarget $nt)
{
$key = $this->titleFormatter->getPrefixedDBkey($nt);
if ($this->isBadLink($key) || $nt->isExternal() || $nt->inNamespace(NS_SPECIAL)) {
return 0;
}
$id = $this->getGoodLinkID($key);
if ($id != 0) {
return $id;
}
if ($key === '') {
return 0;
}
// Cache template/file pages as they are less often viewed but heavily used
if ($this->mForUpdate) {
$row = $this->fetchPageRow(wfGetDB(DB_MASTER), $nt);
} elseif ($this->isCacheable($nt)) {
// These pages are often transcluded heavily, so cache them
$cache = $this->wanCache;
$row = $cache->getWithSetCallback($cache->makeKey('page', $nt->getNamespace(), sha1($nt->getDBkey())), $cache::TTL_DAY, function ($curValue, &$ttl, array &$setOpts) use($cache, $nt) {
$dbr = wfGetDB(DB_REPLICA);
$setOpts += Database::getCacheSetOptions($dbr);
$row = $this->fetchPageRow($dbr, $nt);
$mtime = $row ? wfTimestamp(TS_UNIX, $row->page_touched) : false;
$ttl = $cache->adaptiveTTL($mtime, $ttl);
return $row;
});
} else {
$row = $this->fetchPageRow(wfGetDB(DB_REPLICA), $nt);
}
if ($row) {
$this->addGoodLinkObjFromRow($nt, $row);
$id = intval($row->page_id);
} else {
$this->addBadLinkObj($nt);
$id = 0;
}
return $id;
}
