/**
* Main entry point for handling changes
*
* @todo: process multiple changes at once!
*
* @since 0.1
*
* @param Change $change
*
* @throws MWException
*/
public function handleChange(Change $change)
{
$changeId = $this->getChangeIdForLog($change);
wfDebugLog(__CLASS__, __FUNCTION__ . ": handling change #{$changeId}" . ' (' . $change->getType() . ')');
$usagesPerPage = $this->affectedPagesFinder->getAffectedUsagesByPage($change);
wfDebugLog(__CLASS__, __FUNCTION__ . ': updating ' . count($usagesPerPage) . " page(s) for change #{$changeId}.");
$actionBuckets = array();
/** @var PageEntityUsages $usages */
foreach ($usagesPerPage as $usages) {
$actions = $this->getUpdateActions($usages->getAspects());
$this->updateActionBuckets($actionBuckets, $usages->getPageId(), $actions);
}
foreach ($actionBuckets as $action => $bucket) {
$this->applyUpdateAction($action, $bucket, $change);
}
}
public function testGetAffectedUsagesByPage_withDeletedPage()
{
$pageTitle = 'RandomKitten-2x5jsg8j3bvmpm4!5';
$affectedPagesFinder = new AffectedPagesFinder($this->getSiteLinkUsageLookup($pageTitle), new TitleFactory(), 'enwiki', 'en', false);
$itemId = new ItemId('Q1');
$changeFactory = TestChanges::getEntityChangeFactory();
$change = $changeFactory->newFromUpdate(ItemChange::UPDATE, $this->getItemWithSiteLinks($itemId, array('enwiki' => $pageTitle)), new Item($itemId));
$usages = $affectedPagesFinder->getAffectedUsagesByPage($change);
$this->assertCount(0, $usages);
}