public function saveAction()
{
$userid = $this->getUserId();
$datestr = gmdate("Y-m-d\\TH:i:s\\Z");
$this->disableLayout();
$mashupData = $this->getRequest()->getParam(MashupController::MASHUP_DATA, false);
$mashupMeta = $this->getRequest()->getParam(MashupController::MASHUP_META, false);
if (!$mashupData || !$mashupMeta) {
$this->sendError("Usage: POST me some data in " . MashupController::MASHUP_META . " and " . MashupController::MASHUP_DATA);
}
$mashupUri = $mashupMeta['uri'];
$updateMode = false;
if (!empty($mashupUri)) {
// existing mashup
// load it
$m = $this->getLA()->loadMashup($mashupUri);
if ($m == null) {
$this->sendError("Failed to load mashup " . $mashupUri);
}
$m->setTitle($mashupMeta['title']);
// change title
$m->setModifyDate($datestr);
$updateMode = true;
} else {
// new mashup
$m = new Mashup($this->getLA()->getURIForTitle($mashupMeta['title'], LOOMP::MASHUP()), $userid, $datestr, $datestr, $mashupMeta['title'], array());
}
// rights check
if ($updateMode && $m->getCreatorId() != $this->getUserId() && $this->view->user['type'] != "admin") {
$this->sendError("You have no rights to edit " . $m->getUri());
}
$fragments = array();
// add fragments
foreach ($mashupData as $fragment) {
$fragmentUri = @$fragment['uri'];
if (!empty($fragmentUri)) {
// existing fragment
$f = $this->getLA()->loadFragment($fragmentUri);
if ($f == null) {
$this->sendError("Failed to find fragment " . $fragmentUri . " in mashup " . $mashupUri);
}
$f->setTitle($fragment['title']);
$f->setContent($fragment['content']);
$f->setModifyDate($datestr);
//2002-05-30T09:30:10Z
} else {
// new fragment
$class = "Fragment_" . $fragment['type'];
$f = new $class($this->getLA()->getURIForTitle($fragment['title'], LOOMP::FRAGMENT()), $userid, $datestr, $datestr, $fragment['title'], $fragment['content'], $fragment['type']);
}
$fragments[$fragment['order']] = $f;
}
$deletedFragments = array();
if ($updateMode) {
$oldFragments = $m->getFragments();
foreach ($oldFragments as $fragment) {
if (!in_array($fragment, $fragments)) {
$deletedFragments[] = $fragment;
}
}
}
$m->setFragments($fragments);
//print_r($m);
$this->getLA()->saveMashup($m, $deletedFragments) or $this->sendError("Failed to save Mashup " . $mashupUri);
foreach ($m->getFragments() as $fragment) {
searchUpdateFragment($fragment);
}
// print preview link for usage in frontend
if ($updateMode) {
$this->getLog()->info("Mashup " . $m->getUri() . " updated");
} else {
$this->getLog()->info("Mashup " . $m->getUri() . " created");
}
print $m->getUri();
}
/**
* Count all associations of the given fragment uri with mashups from the RDF Store
*
* @param string $uri Fragment URI
* @return integer
*/
private function _fragmentCount($uri)
{
$queryString = "SELECT ?mashup " . "WHERE " . "(?mashup ?p <" . $uri . ">) " . "(?mashup rdf:type <" . LOOMP::MASHUP()->getURI() . ">) ";
$r = $this->rdfModel->rdqlQuery($queryString);
// this workaround was needed due to a strange behavior of the rdqlDBengine.
// this solution is stable even if there is no bug in the engine.
if (count($r) == 1 && $r[0]['?mashup'] == NULL) {
return 0;
}
return count($r);
}
