public function evaluateAction()
{
// kontrola, zda existuje prirazeny test, netestuje se vyplneni (byl uz vyplnen)
$link = $this->getParam('link');
$assignment = $this->verifyLink($link, FALSE, TRUE);
$form = new TestCommentForm();
$assignmentData = $assignment->get_data();
$form->setDefaults($assignmentData);
$this->view->form = $form;
//pro kandidata nastavi jiny view
$auth = Zend_Auth::getInstance();
if ($auth->hasIdentity()) {
$this->_helper->viewRenderer('evaluate-internal');
} else {
$this->_helper->viewRenderer('evaluate-external');
}
$this->view->messages = $this->_helper->flashMessenger->getMessages();
$this->view->title = 'Evaluation of submitted test';
$this->view->assignment = $assignment;
$this->view->test = My_Model::get('Tests')->getById($assignment->getid_test());
$this->view->status = My_Model::get('Statuses')->getById($assignment->getid_status());
$candidate = My_Model::get('Candidates')->getById($assignment->getid_kandidat());
$this->view->candidate = $candidate->getFullName();
// ########################### POST ###########################
// Handles form submission
if ($this->_request->isPost()) {
if ($this->_request->isXmlHttpRequest()) {
//ajax call request
$this->_helper->layout->disableLayout();
$this->_helper->viewRenderer->setNoRender(TRUE);
$postData = $this->getRequest()->getPost();
$question_id = 0;
$isCorrect = null;
if (array_key_exists('question_id', $postData)) {
$question_id = intval($postData['question_id']);
}
if (array_key_exists('isCorrect', $postData)) {
$isCorrect = filter_var($postData['isCorrect'], FILTER_VALIDATE_BOOLEAN);
}
//check request
if ($question_id > 0 & is_bool($isCorrect)) {
// if valid reevaluate
$responses = $assignment->getResponses();
foreach ($responses as $r) {
if ($r->getid_otazka() == $question_id) {
$r->setspravne($isCorrect);
$r->save();
}
}
} else {
//deny response when invalid
$this->_response->clearBody();
$this->_response->clearHeaders();
$this->_response->setHttpResponseCode(403);
}
} else {
//form request - Save deetails
if ($form->isValid($this->_request->getPost())) {
$formValues = $form->getValues();
// Updates test object in DB
$assignment->setkomentar($formValues["komentar"]);
// prepocitani spravnych odpovedi - pocita skore pro jednotlive odpovedi, potom se udela prumer
// je to takova haluz, protoze odpovedi nejsou v db rozdelene po otazkach
$last_question_id = 0;
$question_options = 1;
//zerodivision hack
$question_options_correct = 0;
$question_score = 0;
$questions_count = 0;
$total_score = 0;
$responses = $assignment->getResponses();
foreach ($responses as $r) {
//reset count on new question
if ($r->getid_otazka() != $last_question_id) {
$questions_count++;
$question_score = (int) round($question_options_correct / $question_options * 100);
$total_score += $question_score;
$question_options = 0;
$question_options_correct = 0;
}
// count correct answers
$question_options++;
$last_question_id = $r->getid_otazka();
if (filter_var($r->getspravne(), FILTER_VALIDATE_BOOLEAN)) {
$question_options_correct++;
}
}
//include last question
$question_score = (int) round($question_options_correct / $question_options * 100);
$total_score += $question_score;
$result = (int) round($total_score / $questions_count);
$assignment->sethodnoceni($result);
//changte status to evaluated
$statuses = new Statuses();
$statusID = $statuses->getStatusID('EVALUATED');
$assignment->setid_status($statusID);
$assignment->save();
//dokonci evaluaci - zalezi na uzivatelske roli
$this->_helper->flashMessenger->addMessage("Test has been successfully evaluated.");
$auth = Zend_Auth::getInstance();
if ($auth->hasIdentity()) {
// prihlaseneho presmeruje na stranku kandidata
$this->_helper->redirector->gotoRoute(array('controller' => 'candidate', 'action' => 'detail', 'id' => $assignment->getid_kandidat()), 'default', true);
} else {
// bez prihlaseni skonci
$this->_helper->redirector->gotoRoute(array('controller' => 'assignment', 'action' => 'index'), 'default', true);
}
}
}
}
}
