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 $this->generateView();
}
public function update($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);
}
}
}
public function go()
{
$this->setViewTemplate('progressreport.tpl');
if ($this->isAdmin() || $this->isTeacher()) {
$this->addToView('search_box', true);
if (isset($_GET['username'])) {
$username = $_GET['username'];
}
} else {
$username = Session::getLoggedInUser();
}
if (isset($username)) {
$user = User::findByUserName($username);
if (!$user) {
$this->addErrorMessage("You provided an invalid username");
return $this->generateView();
} elseif ($user->type) {
$this->addErrorMessage("Please select a student!");
return $this->generateView();
}
$challenges_of_user = ClassChallenges::getChallengesOfUser($user->id);
$attempts = ChallengeAttempts::getTotalAttempts($user->id);
$cleared_challenges = ChallengeAttempts::getClearedChallenges($user->id);
$data = array();
foreach ($challenges_of_user as $id => $title) {
$attempt = isset($attempts[$id]) ? $attempts[$id] : 0;
$cleared = isset($cleared_challenges[$id]['cleared']) ? $cleared_challenges[$id]['cleared'] : false;
if ($cleared) {
$cleared_on = $cleared_challenges[$id]['cleared_on'];
} else {
$cleared_on = false;
}
$arr = array('id' => $id, 'title' => $title, 'attempts' => $attempt, 'cleared' => $cleared, 'cleared_on' => $cleared_on);
array_push($data, $arr);
}
$this->addToView('data', $data);
} else {
$this->addErrorMessage("Please select a student to see his progress");
}
return $this->generateView();
}
