public function appendAction()
{
$m = $this->getMashup();
$title = $this->getParamString(ApiController::APPEND_TITLE_PARAM);
$content = $this->getParamString(ApiController::APPEND_CONTENT_PARAM);
$datestr = gmdate("Y-m-d\\TH:i:s\\Z");
$f = new Fragment_text($this->getLA()->getURIForTitle($title, LOOMP::FRAGMENT()), $m->getCreatorId(), $datestr, $datestr, $title, $content, 'text');
$m->addFragment($f);
$this->getLA()->saveMashup($m) or $this->sendError("Failed to save Mashup " . $m->getUri());
$this->getLog()->info("Append action on mashup " . $m->getUri());
print "success";
}
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();
}
/**
* Currently, this method simply overwrites an existing fragment !!!
* WARNING: this influences all mashups having integrated this fragment
* Possible solution: create a new copy of the fragment, however fragment URIs are currently provided by the loomp client
* therefore some modification in the loomp architecture are required
*
* @param Fragment $fragment Fragment Object
*/
private function _saveFragment($fragment)
{
$this->_removeFragment($fragment);
$fragmentRes = new Resource($fragment->getUri());
$this->rdfModel->add(new Statement($fragmentRes, RDF::TYPE(), LOOMP::FRAGMENT()));
$this->rdfModel->add(new Statement($fragmentRes, DC::CREATOR(), new Resource($fragment->getCreatorId())));
$this->rdfModel->add(new Statement($fragmentRes, DC::TITLE(), new Literal($fragment->getTitle())));
$this->rdfModel->add(new Statement($fragmentRes, DC::CREATED(), new Literal($fragment->getCreateDate())));
$this->rdfModel->add(new Statement($fragmentRes, DC::MODIFIED(), new Literal($fragment->getModifyDate())));
$this->rdfModel->add(new Statement($fragmentRes, LOOMP::RDFA(), new Literal($fragment->getSaveContent())));
$this->rdfModel->add(new Statement($fragmentRes, LOOMP::TYPE(), new Literal($fragment->getType())));
$this->_saveResFromRDFa($fragmentRes, '<html xmlns="http://www.w3.org/1999/xhtml"><body about="' . $fragment->getURI() . '">' . $fragment->getSaveContent() . '</body></html>');
}
