/** Get quizz data for id $quizzId
* (here demo with a SQL request about an existing table)
* @param int $quizzId id of the quizz to be retrieved
* @return associative_array table row
*/
public static function get($quizzId)
{
$db = DemoDB::getConnection();
$sql = "SELECT person_id, name\n FROM person\n WHERE person_id = :quizz_id";
$stmt = $db->prepare($sql);
$stmt->bindValue(":quizz_id", $quizzId);
$ok = $stmt->execute();
if ($ok) {
return $stmt->fetch(PDO::FETCH_ASSOC);
}
}
function getStudentClassData($student_id)
{
try {
$db = DemoDB::getConnection();
$sql = "SELECT s.class_id, c.name FROM STUDENT as s, Class as c where s.class_id=c.id and s.student_id=:id";
$stmt = $db->prepare($sql);
$stmt->bindValue(":id", $student_id, PDO::PARAM_INT);
$ok = $stmt->execute();
if ($ok) {
$nb = $stmt->rowCount();
if ($nb == 0) {
// student does not belong to any class
return;
}
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if ($row != null) {
$_SESSION["login_user_class_id"] = $row["class_id"];
$_SESSION["login_user_class_name"] = $row["name"];
} else {
echo 'should not happen';
return;
}
} else {
echo 'error while getting student class information';
return;
}
} catch (PDOException $e) {
print_r($e->getMessage());
return false;
}
}
protected function do_delete()
{
if (!$this->is_admin()) {
$this->exit_error(401);
}
if (empty($_GET["id"])) {
$this->exit_error(400, "idRequired");
}
try {
$db = DemoDB::getConnection();
$sql = "DELETE FROM person WHERE person_id=:id";
$stmt = $db->prepare($sql);
$stmt->bindValue(":id", $this->id);
$ok = $stmt->execute();
if ($ok) {
$this->statusCode = 204;
$this->body = "";
$nb = $stmt->rowCount();
if ($nb == 0) {
$this->exit_error(404);
}
} else {
$erreur = $stmt->errorInfo();
$this->exit_error(409, $erreur[1] . " : " . $erreur[2]);
}
} catch (PDOException $e) {
$this->exit_error(500, $e->getMessage());
}
}
function getProjectIds()
{
try {
$db = DemoDB::getConnection();
$sql = "select id, title FROM project WHERE id not in (select project_id from team where team_owner_id=" . $_SESSION["login_user_id"] . ") and id not in (select project_id from team_membership where student_id=" . $_SESSION["login_user_id"] . ")" . " and class_id=" . $_SESSION["login_user_class_id"] . ";";
//$sql = "SELECT id FROM project;";
$stmt = $db->prepare($sql);
// $stmt->bindValue(":team_owner_id", $_GET["team_owner_id"], PDO::PARAM_INT);
$ok = $stmt->execute();
if ($ok) {
$nb = $stmt->rowCount();
$result = array();
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
if ($row != null) {
array_push($result, $row);
//$result[$row["id"]][] =$row;
//return $row;
}
}
return $result;
} else {
echo 'dddd';
$erreur = $stmt->errorInfo();
print_r($erreur);
// si doublon
if ($erreur[1] == 1062) {
print_r($erreur[1]);
} else {
print_r($erreur[2]);
}
//$this->exit_error(500, print_r($db->errorInfo(), true));
}
} catch (PDOException $e) {
//$this->exit_error(500, $e->getMessage());
}
}
function getStudentById()
{
try {
$db = DemoDB::getConnection();
$sql = "SELECT * FROM student WHERE student_id=:student_id";
$stmt = $db->prepare($sql);
$stmt->bindValue(":student_id", $this->id);
$ok = $stmt->execute();
if ($ok) {
$row = $stmt->fetch(PDO::FETCH_ASSOC);
$nb = $stmt->rowCount();
if ($nb == 0) {
$this->exit_error(404, 'studentNotFound');
}
if ($row != null) {
$this->statusCode = 200;
// Produce utf8 encoded json
$this->headers[] = "Content-type: text/json; charset=utf-8";
$this->body = json_encode($row);
} else {
$this->exit_error(404);
}
} else {
echo 'here';
$this->exit_error(500, print_r($db->errorInfo(), true));
}
} catch (PDOException $e) {
$this->exit_error(500, $e->getMessage());
}
}
