/**
*
* @param Node $n The node for which calculate the previous and next node link
* @param array $params
*/
public function __construct(Node $n, $params = array())
{
$this->_currentNode = $n->id;
$prevId = DataValidator::validate_node_id($params['prevId']);
if ($prevId !== false) {
$this->_previousNode = $prevId;
} else {
$this->findPreviousNode($n, $params['userLevel']);
}
$nextId = DataValidator::validate_node_id($params['nextId']);
if ($nextId !== false) {
$this->_nextNode = $nextId;
} else {
$this->findNextNode($n, $params['userLevel']);
}
/**
* @author giorgio 08/ott/2013
* check if this is a node wich has been generated when creating a test.
* If it is, next node is the first topic of the test.
* BUT, I'll pass the computed $this->_nextNode to give a callBack point
* to be used when user is in the last topic of the test.
*/
if (MODULES_TEST && strpos($n->type, (string) constant('ADA_PERSONAL_EXERCISE_TYPE')) === 0) {
if (isset($GLOBALS['dh'])) {
$GLOBALS['dh']->disconnect();
}
$test_db = AMATestDataHandler::instance(MultiPort::getDSN($_SESSION['sess_selected_tester']));
$res = $test_db->test_getNodes(array('id_nodo_riferimento' => $n->id));
if (!empty($res) && count($res) == 1 && !AMA_DataHandler::isError($res)) {
$node = array_shift($res);
$this->_nextTestNode = $node['id_nodo'];
}
/**
* @author giorgio 06/nov/2013
* must check if computed $this->_previousNode points to a test
* and get last topic if it does.
*/
if (!is_null($this->_previousNode)) {
$res = $test_db->test_getNodes(array('id_nodo_riferimento' => $this->_previousNode));
} else {
$res = array();
}
if (!empty($res) && count($res) == 1 && !AMA_DataHandler::isError($res)) {
$node = array_shift($res);
$test = NodeTest::readTest($node['id_nodo'], $test_db);
$this->_prevTestTopic = count($test->_children);
$this->_prevTestNode = $node['id_nodo'];
}
$test_db->disconnect();
}
}
/**
* Performs basic controls before entering this module
*/
/*if isset $_GET['unload'] means that the system is closing test, so there is no need to save
the page in NavigationHistory */
if (isset($_GET['unload'])) {
$trackPageToNavigationHistory = false;
}
require_once ROOT_DIR . '/include/module_init.inc.php';
require_once ROOT_DIR . '/browsing/include/browsing_functions.inc.php';
require_once MODULES_TEST_PATH . '/config/config.inc.php';
require_once MODULES_TEST_PATH . '/include/init.inc.php';
//needed to promote AMADataHandler to AMATestDataHandler. $sess_selected_tester is already present in session
$GLOBALS['dh'] = AMATestDataHandler::instance(MultiPort::getDSN($_SESSION['sess_selected_tester']));
$self = whoami();
$test = NodeTest::readTest($_GET['id_test']);
if (!AMATestDataHandler::isError($test)) {
/**
* If user has completed or has a terminated status for the instance,
* redirect to $test->id_nodo_riferimento or its parent depending on
* ADA_REDIRECT_TO_TEST being true or false
*/
if ($userObj->getType() == AMA_TYPE_STUDENT && isset($sess_id_course_instance) && intval($sess_id_course_instance) > 0 && in_array($userObj->get_student_status($userObj->getId(), $sess_id_course_instance), array(ADA_STATUS_COMPLETED, ADA_STATUS_TERMINATED))) {
/**
* @author giorgio 07/apr/2015
*
* if user has the terminated status for the course instance, redirect to view
*/
$id_node = $sess_id_course . '_0';
// if nothing better is found, redirect to course root node
if (!ADA_REDIRECT_TO_TEST) {
/**
* function that return a specific history test
*
* @global db $dh
*
* @return array an array composed of 'html', 'path' and 'title' keys
*/
protected function view_history_tests()
{
$dh = $GLOBALS['dh'];
$test = NodeTest::readTest($this->test['id_nodo']);
if ($dh->isError($test)) {
$html = sprintf(translateFN('%s non trovato'), $this->singolare);
} else {
$test->run($this->history_test['id_history_test'], true);
$html = $test->render(true);
}
$path = '<a href="' . $this->filepath . '?op=' . $this->what . '&id_course_instance=' . $this->course_instanceObj->id . '&id_course=' . $this->courseObj->id . '">' . translateFN('Valutazione') . ' ' . ucfirst($this->plurale) . '</a> > <a href="' . $this->filepath . '?op=' . $this->what . '&id_course_instance=' . $this->course_instanceObj->id . '&id_course=' . $this->courseObj->id . '&id_student=' . $this->history_test['id_utente'] . '">' . $this->student['cognome'] . ' ' . $this->student['nome'] . '</a> > <a href="' . $this->filepath . '?op=' . $this->what . '&id_course_instance=' . $this->course_instanceObj->id . '&id_course=' . $this->courseObj->id . '&id_student=' . $this->history_test['id_utente'] . '&id_test=' . $this->test['id_nodo'] . '">' . $this->test['titolo'] . '</a> > ' . translateFN('Tentativo') . ' #' . $this->history_test['id_history_test'];
return array('html' => $html, 'path' => $path, 'title' => translateFN('Valutazione') . ' ' . ucfirst($this->plurale));
}