function init()
{
$this->exam_hash = array_shift($this->param);
$this->page = array_shift($this->param);
$course = new Course();
$training = new Training();
$t_data = $training->get(array('exam_hash' => $this->exam_hash, 'user_id' => $_SESSION['user_id']));
$c_data = $course->get(array('id' => $t_data['course_id']));
switch ($t_data['status_id']) {
case Training::EXAM:
// fill table "exams" with questions from table "questions"
// via cross select course_id and question_id
if (intval($c_data['exam_duration']) < 1) {
$c_data['exam_duration'] = 30;
}
$training->update($t_data['id'], array('status_id' => Training::EXAM_STARTED, 'exam_started' => date('Y-m-d H:i', time()), 'finished' => date('Y-m-d H:i', time() + $c_data['exam_duration'] * 60)));
$question = new Question();
$enum = $question->enumerateIDs(array('course_id' => $t_data['course_id']));
foreach ($enum as $val) {
$questions[] = $val['id'];
}
$exam = new Exam();
srand();
shuffle($questions);
for ($i = 0; $i < $c_data['questions']; $i++) {
$question_id = array_shift($questions);
if (!isset($question_id)) {
break;
}
$exam->add(array('question_id' => $question_id, 'training_id' => $t_data['id']));
}
header("Location: /exam/{$this->exam_hash}/0");
exit;
break;
case Training::EXAM_STARTED:
if (isset($_POST['answer'])) {
if (is_array($_POST['answer'])) {
$_POST['answer'] = implode(',', $_POST['answer']);
}
$exam = new Exam();
$e_data = $exam->get(array('id' => $_POST['id'], 'training_id' => $t_data['id']));
$exam->update($e_data['id'], array('answer' => $_POST['answer']));
$this->page++;
header("Location: /exam/{$this->exam_hash}/{$this->page}");
exit;
}
break;
default:
header('Location: /403');
exit;
}
}
function showExam()
{
global $connector;
$student = new Student();
$plan = new Plan();
$course = new Course();
$subject = new Subject();
$exam = new Exam();
$student->setConnector($connector);
$plan->setConnector($connector);
$course->setConnector($connector);
$subject->setConnector($connector);
$exam->setConnector($connector);
if (isset($_POST['operation'])) {
list($operation, $params) = explode("#", $_POST['operation']);
switch ($operation) {
case 'selectStudent':
$stud = $student->getById($_POST['id_studente']);
$studentPlan = $plan->getById($stud->id_plan);
$result['edit']->student = $stud;
$result['edit']->planList = $studentPlan;
$result['edit']->exam = $exam->getList($stud);
break;
case 'delete':
$error_msg = $exam->delete($_POST['id_studente'], $params);
$stud = $student->getById($_POST['id_studente']);
$studentPlan = $plan->getById($stud->id_plan);
$result['edit']->student = $stud;
$result['edit']->planList = $studentPlan;
$result['edit']->exam = $exam->getList($stud);
break;
case 'edit':
$stud = $student->getById($_POST['id_studente']);
$studentPlan = $plan->getById($stud->id_plan);
$curr_exam = $exam->getById($stud->id, $params);
$result['edit']->subject_id = $curr_exam->id_subject;
$result['edit']->vote = $curr_exam->vote;
$result['edit']->date = $curr_exam->date;
$result['edit']->student = $stud;
$result['edit']->planList = $studentPlan;
$result['edit']->exam = $exam->getList($stud);
break;
case 'editChanges':
$exam->storeFormValues($_POST);
$error_msg = $exam->update();
$stud = $student->getById($_POST['id_studente']);
$studentPlan = $plan->getById($stud->id_plan);
$result['edit']->student = $stud;
$result['edit']->planList = $studentPlan;
$result['edit']->exam = $exam->getList($stud);
break;
case 'saveChanges':
$exam->storeFormValues($_POST);
$error_msg = $exam->insert();
$stud = $student->getById($_POST['id_studente']);
$studentPlan = $plan->getById($stud->id_plan);
$result['edit']->student = $stud;
$result['edit']->planList = $studentPlan;
$result['edit']->exam = $exam->getList($stud);
break;
default:
$error_msg = "Operazione non valida";
}
if ($error_msg != "") {
$result["errorMessage"] = $error_msg;
} elseif ($operation != 'edit' && $operation != 'selectStudent') {
$result["statusMessage"] = "Operazione completata!";
}
}
$result["students"] = $student->getList("cognome");
$page = "exam.php";
include_once BASE_PATH . "template.php";
}
