/**
* Add the Open Graph meta tags to the current page.
*
* This hook is used instead of BeforePageDisplay, (I quote from mediawiki.org,)
* "to make it easier on parser caching."
*/
public static function ParserAfterTidy(&$parser, &$text)
{
global $wgFbOpenGraph, $wgOut;
if (!empty($wgFbOpenGraph)) {
$parser->disableCache();
$object = FacebookOpenGraph::newObjectFromTitle($parser->getTitle());
if ($object) {
if ($object instanceof OpenGraphArticleObject && $object->needsDescription()) {
$object->setDescriptionFromText($text);
}
foreach ($object->getProperties() as $property => $content) {
$parser->mOutput->addHeadItem("<meta property=\"{$property}\" content=\"{$content}\" />\n", $property);
}
}
}
return true;
}
/**
* Remove the watch action from the user's Timeline when they unwatch an
* article.
*/
public static function UnwatchArticleComplete(&$user, &$article)
{
global $facebook;
if (self::getAction('watch')) {
$fbUser = new FacebookUser();
if ($fbUser->getMWUser()->getId() == $user->getId()) {
$object = FacebookOpenGraph::newObjectFromTitle($article->getTitle());
try {
self::removeAction('watch', $object);
} catch (FacebookApiException $e) {
// echo $e->getType() . ": " . $e->getMessage() . "<br/>\n";
}
}
}
return true;
}
