/**
* Create Main Menu
*/
protected function createMainMenu()
{
if (Session::isAdmin()) {
$link0 = array('title' => 'Admin Dashboard', 'url' => 'admin/');
$link1 = array('title' => 'Add New Articles', 'url' => 'admin/pages/addarticle.php');
$link2 = array('title' => 'Article Manager', 'url' => 'admin/pages/articlemanager.php');
$link3 = array('title' => 'User Manager', 'url' => 'admin/pages/usermanager.php');
$link4 = array('title' => 'Add New Challenge', 'url' => 'admin/pages/addchallenge.php');
$link5 = array('title' => 'Challenge Manager', 'url' => 'admin/pages/challengemanager.php');
$link6 = array('title' => 'Logout', 'url' => 'pages/logout.php');
$menu = array($link0, $link1, $link2, $link3, $link4, $link5, $link6);
} elseif (Session::isTeacher()) {
$link1 = array('title' => 'Admin Dashboard', 'url' => 'admin');
$link2 = array('title' => 'Article Manager', 'url' => 'admin/pages/articlemanager.php');
$link3 = array('title' => 'User Manager', 'url' => 'admin/pages/usermanager.php');
$link4 = array('title' => 'Create Class', 'url' => 'admin/pages/manageclass.php');
$link5 = array('title' => 'Add Challenge', 'url' => 'admin/pages/addchallenge.php');
$link6 = array('title' => 'Monitor Students', 'url' => 'pages/progress.php');
$link7 = array('title' => 'Logout', 'url' => 'pages/logout.php');
$menu = array($link1, $link2, $link3, $link4, $link5, $link6, $link7);
} else {
$link1 = array('title' => 'Progress Report', 'url' => 'pages/progress.php');
$link2 = array('title' => 'Ranking', 'url' => 'pages/ranking.php');
$link3 = array('title' => 'Logout', 'url' => 'pages/logout.php');
$menu = array($link1, $link2, $link3);
}
return $menu;
}
public function go()
{
$this->setViewTemplate("rankings.tpl");
if ($this->isLoggedIn()) {
$username = $this->getLoggedInUser();
if (Session::isAdmin() || Session::isTeacher()) {
$classes = Classes::getAllClasses();
} else {
$user = User::findByUserName($username);
$classes = ClassMemberships::getMembershipsOfUserObjects($user->id);
}
$this->addToView('classes', $classes);
}
if (!isset($_GET["class"]) || $_GET["class"] == "") {
$rankings = ChallengeAttempts::getUniversalRankings();
} else {
$class_id = $_GET["class"];
$class = Classes::getClass($class_id);
if (!$class) {
$this->addErrorMessage("Not a valid class");
return $this->generateView();
} else {
$rankings = ChallengeAttempts::getClasswiseRankings($class_id);
}
}
$final = array();
$counter = 1;
$rank = 1;
$rankcount = 1;
$prevcount = null;
foreach ($rankings as $ranking) {
if ($counter != 1 && $prevcount == $ranking['count']) {
$rank = $rankcount;
$rankcount++;
}
if ($counter != 1 && $prevcount != $ranking['count']) {
$rankcount++;
$rank = $rankcount;
}
$prevcount = $ranking['count'];
$counter++;
$temp = array('user_id' => $ranking['user_id'], 'time' => $ranking['time'], 'count' => $ranking['count'], 'username' => $ranking['username'], 'rank' => $rank);
array_push($final, $temp);
}
$this->addToView('rankings', $final);
return $this->generateView();
}
public function go()
{
$username = $this->getLoggedInUser();
$user = User::findByUserName($username);
if (!$user) {
return;
}
if (Session::isAdmin() || Session::isTeacher()) {
$challenges = Challenge::getChallengesFrontend();
} else {
$challenges = Challenge::getChallengesAssigned($user->id);
}
$menu = array();
foreach ($challenges as $challenge) {
$link = array('id' => $challenge->id, 'title' => $challenge->title, 'url' => 'challenges/' . $challenge->pkg_name . '/index.php');
array_push($menu, $link);
}
return $menu;
}
public function update($status)
{
if (!Session::isAdmin() && !Session::isTeacher()) {
$username = Session::getLoggedInUser();
$url = $_SERVER['REQUEST_URI'];
$url_components = explode("/", $url);
$count_url_components = count($url_components);
for ($i = 0; $url_components[$i] != "challenges"; $i++) {
}
$pkg_name = $url_components[$i + 1];
$user = User::findByUserName($username);
$challenge = Challenge::getChallengeByPkgName($pkg_name);
$user_id = $user->id;
$challenge_id = $challenge[0]->id;
if (!ChallengeAttempts::isChallengeCleared($user_id, $challenge_id)) {
ChallengeAttempts::addChallengeAttempt($user_id, $challenge_id, $status);
}
}
}
/**
* Returns whether or not a logged-in Hackademic user is a teacher
*
* @return bool whether or not logged-in user is an admin
*/
protected function isTeacher()
{
return Session::isTeacher();
}
