/**
* The init function that is called by mediawiki when loading this
* SpecialPage.
*
* @param string $urlpar the title parameter returned by Mediawiki
* which, in this case, is the URI for which we want TimeMaps
*/
public function execute($urlparam)
{
global $wgMementoIncludeNamespaces;
$out = $this->getOutput();
$this->setHeaders();
if (!$urlparam) {
$out->addHTML(wfMessage('timemap-welcome-message')->parse());
return;
} else {
// so we can use the same framework as the rest of the
// MementoResource classes, we need an Article class
$title = TimeMapResource::deriveTitleObject($urlparam);
$article = new Article($title);
$article->setContext($this->getContext());
$db = wfGetDB(DB_SLAVE);
if (!$title->exists()) {
throw new ErrorPageError('timemap-title', 'timemap-404-title', array($urlparam));
}
if (!in_array($title->getNamespace(), $wgMementoIncludeNamespaces)) {
throw new ErrorPageError('timemap-title', 'timemap-403-inaccessible', array($title));
}
$page = TimeMapResource::timeMapFactory($db, $article, $urlparam);
$page->alterEntity();
}
}
/**
* getTitle
*
* This function extracts the Title from the URL
*
* @param string $urlparam the data passed into a SpecialPage
*
* @return Title title object created from URL parsing
*/
public static function deriveTitleObject($urlparam)
{
if (TimeMapResource::isPivotAscending($urlparam)) {
$title = preg_replace('/' . TimeMapResource::ASCENDINGURLPATTERN . '/', "", $urlparam);
$title = Title::newFromText($title);
} elseif (TimeMapResource::isPivotDescending($urlparam)) {
$title = preg_replace('/' . TimeMapResource::DESCENDINGURLPATTERN . '/', "", $urlparam);
$title = Title::newFromText($title);
} else {
$title = Title::newFromText($urlparam);
}
return $title;
}
