/**
* @param WikiPage $page
* @param Revision $newRev
* @throws MWException
*/
protected function notifyUpdatesForRevision(WikiPage $page, Revision $newRev)
{
$config = RequestContext::getMain()->getConfig();
$title = $page->getTitle();
// Get the new revision
if (!$newRev->getContent()) {
return;
// deleted?
}
// Get the prior revision (the same for null edits)
if ($newRev->getParentId()) {
$oldRev = Revision::newFromId($newRev->getParentId(), Revision::READ_LATEST);
if (!$oldRev->getContent()) {
return;
// deleted?
}
} else {
$oldRev = null;
}
// Parse the new revision and get the categories
$categoryChanges = $this->getExplicitCategoriesChanges($title, $newRev, $oldRev);
list($categoryInserts, $categoryDeletes) = $categoryChanges;
if (!$categoryInserts && !$categoryDeletes) {
return;
// nothing to do
}
$dbw = wfGetDB(DB_MASTER);
$catMembChange = new CategoryMembershipChange($title, $newRev);
$catMembChange->checkTemplateLinks();
$batchSize = $config->get('UpdateRowsPerQuery');
$insertCount = 0;
foreach ($categoryInserts as $categoryName) {
$categoryTitle = Title::makeTitle(NS_CATEGORY, $categoryName);
$catMembChange->triggerCategoryAddedNotification($categoryTitle);
if ($insertCount++ && $insertCount % $batchSize == 0) {
$dbw->commit(__METHOD__, 'flush');
wfGetLBFactory()->waitForReplication();
}
}
foreach ($categoryDeletes as $categoryName) {
$categoryTitle = Title::makeTitle(NS_CATEGORY, $categoryName);
$catMembChange->triggerCategoryRemovedNotification($categoryTitle);
if ($insertCount++ && $insertCount++ % $batchSize == 0) {
$dbw->commit(__METHOD__, 'flush');
wfGetLBFactory()->waitForReplication();
}
}
}
private function triggerCategoryChanges($categoryInserts, $categoryDeletes)
{
$catMembChange = new CategoryMembershipChange($this->mTitle, $this->mRevision);
if ($this->mRecursive) {
$catMembChange->checkTemplateLinks();
}
foreach ($categoryInserts as $categoryName => $value) {
$categoryTitle = Title::newFromText($categoryName, NS_CATEGORY);
$catMembChange->triggerCategoryAddedNotification($categoryTitle);
}
foreach ($categoryDeletes as $categoryName => $value) {
$categoryTitle = Title::newFromText($categoryName, NS_CATEGORY);
$catMembChange->triggerCategoryRemovedNotification($categoryTitle);
}
}