public function takeQuiz()
{
//check if quiz can be taken by student,
//based on the time and the ID number
$page_title = 'Cannot Take Quiz';
$page_content = View::make('no_quiz');
$id_number = Session::get('id_number');
$quiz_code = Session::get('quiz_code');
$current_datetime = Carbon::now()->toDateTimeString();
$quiz_schedule = QuizSchedule::where('quiz_code', '=', $quiz_code)->whereRaw(DB::raw("'{$current_datetime}' BETWEEN datetime_from AND datetime_to"))->first();
if ($quiz_schedule) {
$quiz_schedule_id = $quiz_schedule->id;
$class_id = $quiz_schedule->class_id;
$quiz_id = $quiz_schedule->quiz_id;
$student = StudentClass::where('student_id', '=', $id_number)->where('class_id', '=', $class_id)->first();
if ($student) {
//when a student takes a quiz, a row is created on the
//student_quizzes table, add the started_at, quiz_id, and student_id
//when another student comes along and inputs the same id number
//and quiz code, they won't be allowed since the quiz is already taken
$student_quiz_count = StudentQuiz::where('student_id', '=', $id_number)->where('quiz_id', '=', $quiz_id)->count();
if ($student_quiz_count === 0) {
//can take
//get quiz details and show it to the student
$quiz = Quiz::where('id', '=', $quiz_id)->first();
Session::put('quiz_id', $quiz_id);
Session::put('quiz_title', $quiz->title);
$items = QuizItem::where('quiz_id', '=', $quiz_id)->orderByRaw("RAND()")->get();
$item_ids = DB::table('quiz_items')->where('quiz_id', '=', $quiz_id)->lists('id');
$quiz_items_answers = DB::table('quiz_items_answers')->whereIn('quiz_item_id', $item_ids)->get();
$quiz_items_choices = DB::table('quiz_items_choices')->whereIn('quiz_item_id', $item_ids)->get();
$quiz_items = array();
foreach ($items as $item) {
$quiz_items[$item->id] = array('question' => $item->question);
}
foreach ($quiz_items_choices as $qic) {
$quiz_items[$qic->quiz_item_id]['choices'][] = $qic->choice;
}
$seconds = $quiz->minutes * 60 + 1;
$page_data = array('quiz' => $quiz, 'quiz_items' => $quiz_items, 'seconds' => $seconds);
//create student quiz
$student_quiz = new StudentQuiz();
$student_quiz->student_id = $id_number;
$student_quiz->quiz_id = $quiz_id;
$student_quiz->quiz_schedule_id = $quiz_schedule_id;
$student_quiz->started_at = Carbon::now()->toDateTimeString();
$student_quiz->save();
$page_title = 'Take Quiz';
$page_content = View::make('quiz', $page_data);
}
}
}
$this->layout->title = $page_title;
$this->layout->quiz = true;
$this->layout->content = $page_content;
}
public function removeStudent()
{
$id = Input::get('id');
$class_student = StudentClass::find($id);
$class_student->delete();
return array('type' => 'ok');
}
User::delAdmin($adminId);
$app->redirect($app->urlFor('gestionUser'));
})->name('delAdmin');
$app->get('/gestionClass', function () use($app) {
$allclass = StudentClass::getAllClass();
$app->render('admin/gestionClass.php', array('allclass' => $allclass));
})->name('gestionClass');
$app->get('/addClass', function () use($app) {
$app->render('admin/addClass.php');
})->name('addClass');
$app->post('/addClass', function () use($app) {
$result = StudentClass::addClass($_POST['className']);
$app->redirect($app->urlFor('gestionClass'));
});
$app->get('/delClass/:classId', function ($classId) use($app) {
$result = StudentClass::delClass($classId);
$app->redirect($app->urlFor('gestionClass'));
});
$app->get('/addSubject', function () use($app) {
$allteacher = User::listTeacher();
$app->render('admin/addSubject.php', array('allteacher' => $allteacher));
})->name('addSubject');
$app->post('/addSubject', function () use($app) {
Subject::addSubject($_POST['subjectName'], $_POST['teacherId']);
$app->redirect($app->urlFor('gestionSubject'));
});
$app->get('/delSubject/:sucjectId', function ($subjectId) use($app) {
$result = Subject::delSubject($subjectId);
$app->redirect($app->urlFor('gestionSubject'));
});
$app->get('/gestionSubject', function () use($app) {
