public function fetchData()
{
if ($this['host_id']) {
$host = new LernmarktplatzHost($this['host_id']);
if ($host) {
$data = $host->fetchItemData($this['foreign_material_id']);
if (!$data) {
return false;
}
if ($data['deleted']) {
return "deleted";
}
//user:
$user = LernmarktplatzUser::findOneBySQL("foreign_user_id", array($data['user']['user_id'], $host->getId()));
if (!$user) {
$user = new LernmarktplatzUser();
$user['foreign_user_id'] = $data['user']['user_id'];
$user['host_id'] = $host->getId();
}
$user['name'] = $data['user']['name'];
$user['avatar'] = $data['user']['avatar'] ?: null;
$user['description'] = $data['user']['description'] ?: null;
$user->store();
//material:
$material_data = $data['data'];
unset($material_data['material_id']);
unset($material_data['user_id']);
unset($material_data['mkdate']);
$this->setData($material_data);
$this->store();
//topics:
$this->setTopics($data['topics']);
foreach ((array) $data['reviews'] as $review_data) {
$currenthost = LernmarktplatzHost::findOneByUrl(trim($review_data['host']['url']));
if (!$currenthost) {
$currenthost = new LernmarktplatzHost();
$currenthost['url'] = trim($review_data['host']['url']);
$currenthost['last_updated'] = time();
$currenthost->fetchPublicKey();
if ($currenthost['public_key']) {
$currenthost->store();
}
}
if ($currenthost && $currenthost['public_key'] && !$currenthost->isMe()) {
$review = LernmarktplatzReview::findOneBySQL("foreign_review_id = ? AND host_id = ?", array($review_data['foreign_review_id'], $currenthost->getId()));
if (!$review) {
$review = new LernmarktplatzReview();
$review['foreign_review_id'] = $review_data['foreign_review_id'];
$review['material_id'] = $this->getId();
$review['host_id'] = $currenthost->getId();
}
$review['review'] = $review_data['review'];
$review['rating'] = $review_data['rating'];
if ($review_data['chdate']) {
$review['chdate'] = $review_data['chdate'];
}
if ($review_data['mkdate']) {
$review['mkdate'] = $review_data['mkdate'];
}
$user = LernmarktplatzUser::findOneBySQL("foreign_user_id", array($review_data['user']['user_id'], $currenthost->getId()));
if (!$user) {
$user = new LernmarktplatzUser();
$user['foreign_user_id'] = $review_data['user']['user_id'];
$user['host_id'] = $currenthost->getId();
}
$user['name'] = $review_data['user']['name'];
$user['avatar'] = $review_data['user']['avatar'] ?: null;
$user['description'] = $review_data['user']['description'] ?: null;
$user->store();
$review['user_id'] = $user->getId();
$review->store();
}
}
}
}
return true;
}
protected function refreshHost($url)
{
$host_data = file_get_contents($url . "fetch_public_host_key");
if ($host_data) {
$host_data = studip_utf8decode(json_decode($host_data, true));
if ($host_data) {
$host = LernmarktplatzHost::findOneByUrl($url);
if (!$host) {
$host = LernmarktplatzHost::findOneByPublic_key($host_data['public_key']);
}
if (!$host) {
$host = new LernmarktplatzHost();
}
$host['name'] = $host_data['name'];
$host['url'] = Request::get("from");
$host['public_key'] = $host_data['public_key'];
$host['last_updated'] = time();
if ($host->isNew()) {
$host['active'] = get_config("LERNMARKTPLATZ_ACTIVATE_NEW_HOSTS") ? 1 : 0;
}
$host->store();
}
}
}
public function fetchRemoteSearch($text, $tag = false)
{
$endpoint_url = $this['url'] . "search_items";
if ($tag) {
$endpoint_url .= "?tag=" . urlencode(studip_utf8encode($text));
} else {
$endpoint_url .= "?text=" . urlencode(studip_utf8encode($text));
}
$output = @file_get_contents($endpoint_url);
if ($output) {
$output = studip_utf8decode(json_decode($output, true));
foreach ((array) $output['results'] as $material_data) {
$host = LernmarktplatzHost::findOneBySQL("public_key = ?", array($material_data['host']['public_key']));
if (!$host) {
$host = new LernmarktplatzHost();
$host['url'] = $material_data['host']['url'];
$host->fetchPublicKey();
$host->store();
}
if (!$host->isMe()) {
//set user:
$user = LernmarktplatzUser::findOneBySQL("foreign_user_id", array($material_data['user']['user_id'], $host->getId()));
if (!$user) {
$user = new LernmarktplatzUser();
$user['foreign_user_id'] = $material_data['user']['user_id'];
$user['host_id'] = $host->getId();
}
$user['name'] = $material_data['user']['name'];
$user['avatar'] = $material_data['user']['avatar'] ?: null;
$user->store();
//set material:
$material_data['data']['foreign_material_id'] = $material_data['data']['id'];
$material = LernmarktplatzMaterial::findOneBySQL("foreign_material_id = ? AND host_id = ?", array($material_data['data']['foreign_material_id'], $host->getId()));
if (!$material) {
$material = new LernmarktplatzMaterial();
}
unset($material_data['data']['id']);
$material->setData($material_data['data']);
$material['host_id'] = $host->getId();
$material['user_id'] = $user->getId();
$material->store();
//set topics:
$material->setTopics($material_data['topics']);
}
}
}
}
public function toggle_index_server_action()
{
if (Request::isPost()) {
$host = new LernmarktplatzHost(Request::option("host_id"));
if ($host->isMe()) {
$host['index_server'] = Request::int("active", 0);
$host->store();
//distribute this info to adjacent server
$data = array('data' => array('public_key' => $host['public_key'], 'url' => $host['url'], 'name' => $host['name'], 'index_server' => $host['index_server']));
foreach (LernmarktplatzHost::findAll() as $remote) {
if (!$remote->isMe()) {
$remote->pushDataToEndpoint("update_server_info", $data);
}
}
/*$curl_multi_handle = curl_multi_init();
$requests = array();
foreach (LernmarktplatzHost::findAll() as $remote) {
if (!$remote->isMe()) {
$request = $remote->pushDataToEndpoint("update_server_info", $data, true);
curl_multi_add_handle($curl_multi_handle, $request);
$requests[] = $request;
}
}
$active = null;
do {
$mrc = curl_multi_exec($curl_multi_handle, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
while ($active && $mrc == CURLM_OK) {
if (curl_multi_select($curl_multi_handle) != -1) {
do {
$mrc = curl_multi_exec($curl_multi_handle, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
foreach ($requests as $request) {
curl_multi_remove_handle($curl_multi_handle, $request);
}
curl_multi_close($curl_multi_handle);
*/
} else {
$host['allowed_as_index_server'] = Request::int("active", 0);
$host->store();
}
}
$this->render_text(Icon::create("checkbox-" . (Request::int("active") ? "" : "un") . "checked"));
}
