/** * Main method. Does the actual work and sets the result. * * @since 0.1 */ public function execute() { $lookup = $this->revisionLookup; $params = $this->extractRequestParams(); $this->validateParameters($params); // Sites are already tested through allowed params ;) $sites = $this->siteLinkTargetProvider->getSiteList($this->siteLinkGroups); /** @var Site $fromSite */ list($fromSite, $fromPage) = $this->getSiteAndNormalizedPageName($sites, $params['fromsite'], $params['fromtitle']); /** @var Site $toSite */ list($toSite, $toPage) = $this->getSiteAndNormalizedPageName($sites, $params['tosite'], $params['totitle']); $siteLinkStore = WikibaseRepo::getDefaultInstance()->getStore()->newSiteLinkStore(); $fromId = $siteLinkStore->getItemIdForLink($fromSite->getGlobalId(), $fromPage); $toId = $siteLinkStore->getItemIdForLink($toSite->getGlobalId(), $toPage); $siteLinkList = new SiteLinkList(); $flags = 0; $item = null; $summary = new Summary($this->getModuleName()); $summary->addAutoSummaryArgs($fromSite->getGlobalId() . ':' . $fromPage, $toSite->getGlobalId() . ':' . $toPage); //FIXME: use ChangeOps for consistency! // Figure out which parts to use and what to create anew if ($fromId === null && $toId === null) { // create new item $item = new Item(); $toLink = new SiteLink($toSite->getGlobalId(), $toPage); $item->addSiteLink($toLink); $siteLinkList->addSiteLink($toLink); $fromLink = new SiteLink($fromSite->getGlobalId(), $fromPage); $item->addSiteLink($fromLink); $siteLinkList->addSiteLink($fromLink); $flags |= EDIT_NEW; $summary->setAction('create'); } elseif ($fromId === null && $toId !== null) { // reuse to-site's item /** @var Item $item */ $itemRev = $lookup->getEntityRevision($toId, EntityRevisionLookup::LATEST_FROM_MASTER); $item = $itemRev->getEntity(); $fromLink = new SiteLink($fromSite->getGlobalId(), $fromPage); $item->addSiteLink($fromLink); $siteLinkList->addSiteLink($fromLink); $summary->setAction('connect'); } elseif ($fromId !== null && $toId === null) { // reuse from-site's item /** @var Item $item */ $itemRev = $lookup->getEntityRevision($fromId, EntityRevisionLookup::LATEST_FROM_MASTER); $item = $itemRev->getEntity(); $toLink = new SiteLink($toSite->getGlobalId(), $toPage); $item->addSiteLink($toLink); $siteLinkList->addSiteLink($toLink); $summary->setAction('connect'); } elseif ($fromId->equals($toId)) { // no-op $this->errorReporter->dieError('Common item detected, sitelinks are both on the same item', 'common-item'); } else { // dissimilar items $this->errorReporter->dieError('No common item detected, unable to link titles', 'no-common-item'); } $this->resultBuilder->addSiteLinkList($siteLinkList, 'entity'); $status = $this->getAttemptSaveStatus($item, $summary, $flags); $this->buildResult($item, $status); }