FromKernel::uses('core/linker.lib', 'utils/ajax.lib', 'utils/input.lib');
ResourceLinker::init();
$userInput = Claro_UserInput::getInstance();
$userInput->setValidator('cmd', new Claro_Validator_AllowedList(array('getLinkList', 'getResourceList', 'resolveLocator')));
$cmd = $userInput->get('cmd', 'getResourceList');
$locator = isset($_REQUEST['crl']) && !empty($_REQUEST['crl']) ? ClarolineResourceLocator::parse(rawurldecode($_REQUEST['crl'])) : ResourceLinker::$Navigator->getCurrentLocator(array());
if ('getLinkList' == $cmd) {
$linkListIt = ResourceLinker::getLinkList($locator);
// FIXME : use getResourceName instead of the title recorded in database !
if (empty($linkListIt)) {
$linkList = array();
} else {
$linkList = array();
// $linkList = iterator_to_array( $linkListIt );
foreach ($linkListIt as $link) {
$linkList[] = array('crl' => $link['crl'], 'name' => ResourceLinker::$Resolver->getResourceName(ClarolineResourceLocator::parse($link['crl'])));
}
}
$response = new Json_Response($linkList);
} elseif ('resolveLocator' == $cmd) {
$resourceLinkerResolver = new ResourceLinkerResolver();
$url = $resourceLinkerResolver->resolve($locator);
$response = new Json_Response(array('url' => $url));
} else {
if (!ResourceLinker::$Navigator->isNavigable($locator)) {
throw new Exception('Resource not navigable');
}
$resourceList = ResourceLinker::$Navigator->getResourceList($locator);
$elementList = $resourceList->toArray();
$resourceArr = array();
$resourceArr['name'] = ResourceLinker::$Resolver->getResourceName($locator);
public static function updateLinkList(ResourceLocator $locator, array $resourceList = array())
{
$alreadyLinkedResourceList = self::getLinkList($locator);
$alreadyLinkedResourceList->setFetchMode(Database_ResultSet::FETCH_COLUMN);
if (count($alreadyLinkedResourceList)) {
$alreadyLinkedResourceList = iterator_to_array($alreadyLinkedResourceList);
} else {
$alreadyLinkedResourceList = array();
}
$deletedResourceList = array();
$addedResourceList = array();
foreach ($alreadyLinkedResourceList as $crl) {
if (!in_array($crl, $resourceList)) {
self::removeLink($locator, ClarolineResourceLocator::parse($crl));
}
}
foreach ($resourceList as $crl) {
if (!in_array($crl, $alreadyLinkedResourceList)) {
self::addLink($locator, ClarolineResourceLocator::parse($crl));
}
}
}
