/**
* @see UsageLookup::getUsagesForPage
*
* @param int $pageId
*
* @return EntityUsage[]
* @throws UsageTrackerException
*/
public function getUsagesForPage($pageId)
{
$usages = array();
$title = $this->titleFactory->newFromID($pageId);
$id = $this->siteLinkLookup->getItemIdForLink($this->clientSiteId, $title->getPrefixedText());
if ($id !== null) {
$usages[] = new EntityUsage($id, EntityUsage::SITELINK_USAGE);
}
return $usages;
}
/**
* Get entity id from page title.
*
* @since 0.5
*
* @param string $pageTitle
*
* @return string|null
*/
public function getEntityId($pageTitle)
{
$id = $this->siteLinkLookup->getItemIdForLink($this->siteId, $pageTitle);
if (!$id) {
return null;
}
$this->usageAccumulator->addTitleUsage($id);
return $id->getSerialization();
}
/**
* @param string $site
* @param string $title
*
* @throws UsageException If no such entity is found.
* @return EntityId The ID of the entity connected to $title on $site.
*/
protected function getEntityIdFromSiteTitleCombination($site, $title)
{
// FIXME: Normalization missing, see T47282.
$itemId = $this->siteLinkLookup->getItemIdForLink($site, $title);
if ($itemId === null) {
$this->errorReporter->dieError('No entity found matching site link ' . $site . ':' . $title, 'no-such-entity-link');
}
return $itemId;
}
/**
* Finds the corresponding item on the repository and returns the item's site links.
*
* @since 0.1
*
* @param Title $title
*
* @return SiteLink[] A map of SiteLinks, indexed by global site id.
*/
public function getEntityLinks(Title $title)
{
$links = array();
$itemId = $this->siteLinkLookup->getItemIdForLink($this->siteId, $title->getPrefixedText());
if ($itemId !== null) {
//NOTE: SiteLinks we could get from $this->siteLinkLookup do not contain badges,
// so we have to fetch the links from the Item.
/* @var Item $item */
$item = $this->entityLookup->getEntity($itemId);
if ($item) {
$links = iterator_to_array($item->getSiteLinkList());
$links = $this->indexLinksBySiteId($links);
} else {
wfLogWarning(__METHOD__ . ": Could not load item " . $itemId->getSerialization() . " for " . $title->getPrefixedText());
}
}
return $links;
}
/**
* @see SpecialWikibasePage::execute
*
* @since 0.1
*
* @param string|null $subPage
*/
public function execute($subPage)
{
parent::execute($subPage);
// Setup
$request = $this->getRequest();
$parts = $subPage === '' ? array() : explode('/', $subPage, 2);
$site = trim($request->getVal('site', isset($parts[0]) ? $parts[0] : ''));
$page = trim($request->getVal('page', isset($parts[1]) ? $parts[1] : ''));
$itemContent = null;
// If there are enough data, then try to lookup the item content
if ($site !== '' && $page !== '') {
// FIXME: This code is duplicated in ItemByTitleHelper::getItemId!
// Try to get a item content
$siteId = $this->stringNormalizer->trimToNFC($site);
// no stripping of underscores here!
$pageName = $this->stringNormalizer->trimToNFC($page);
if (!$this->sites->getSite($siteId)) {
// HACK: If the site ID isn't known, add "wiki" to it; this allows the wikipedia
// subdomains to be used to refer to wikipedias, instead of requiring their
// full global id to be used.
// @todo: Ideally, if the site can't be looked up by global ID, we
// should try to look it up by local navigation ID.
// Support for this depends on bug T50934.
$siteId .= 'wiki';
}
/* @var ItemHandler $itemHandler */
$itemId = $this->siteLinkLookup->getItemIdForLink($siteId, $pageName);
// Do we have an item content, and if not can we try harder?
if ($itemId === null) {
// Try harder by requesting normalization on the external site
$siteObj = $this->sites->getSite($siteId);
if ($siteObj instanceof Site) {
$pageName = $siteObj->normalizePageName($page);
$itemId = $this->siteLinkLookup->getItemIdForLink($siteId, $pageName);
}
}
// Redirect to the item page if we found its content
if ($itemId !== null) {
$title = $this->titleLookup->getTitleForId($itemId);
$query = $request->getValues();
unset($query['title']);
unset($query['site']);
unset($query['page']);
$itemUrl = $title->getFullUrl($query);
$this->getOutput()->redirect($itemUrl);
return;
}
}
// If there is no item content post the switch form
$this->switchForm($site, $page);
}
/**
* Tries to find item id for given siteId and title combination
*
* @param string $siteId
* @param string $title
* @param bool $normalize
*
* @return ItemId|null
*/
private function getItemId($siteId, $title, $normalize)
{
// FIXME: This code is duplicated in SpecialItemByTitle::execute!
$title = $this->stringNormalizer->trimToNFC($title);
$id = $this->siteLinkLookup->getItemIdForLink($siteId, $title);
// Try harder by requesting normalization on the external site.
if ($id === null && $normalize === true) {
$siteObj = $this->siteStore->getSite($siteId);
//XXX: this passes the normalized title back into $title by reference...
$this->normalizeTitle($title, $siteObj);
$id = $this->siteLinkLookup->getItemIdForLink($siteObj->getGlobalId(), $title);
}
return $id;
}
/**
* @param string $globalSiteId
* @param string $pageTitle
*
* @return ItemId|null
*/
private function getAndCacheItemIdForLink($globalSiteId, $pageTitle)
{
$itemId = $this->lookup->getItemIdForLink($globalSiteId, $pageTitle);
$this->cache->set($this->getByPageCacheKey($globalSiteId, $pageTitle), $itemId instanceof ItemId ? $itemId->getSerialization() : null, $this->cacheDuration);
return $itemId;
}
/**
* @param Title $title
*
* @return ItemId|null
*/
private function getItemIdForTitle(Title $title)
{
return $this->siteLinkLookup->getItemIdForLink($this->siteId, $title->getPrefixedText());
}
