public static function updateMessage($message)
{
$consulta = "UPDATE " . self::NAME_TABLE . " SET " . self::DESCRIPTION . "=?" . " WHERE " . self::ID . "=1";
$sentencia = ConnectionDB::getInstance()->getDB()->prepare($consulta);
$sentencia->bindParam(1, $message);
$sentencia->execute();
return $sentencia->rowCount();
}
public static function getAppId($appKey)
{
$command = "SELECT " . self::ID . " FROM " . self::NAME_TABLE . " WHERE " . self::ACCESS_KEY . "=?";
$sentence = ConnectionDB::getInstance()->getDB()->prepare($command);
$sentence->bindParam(1, $appKey);
if ($sentence->execute()) {
$result = $sentence->fetch();
return $result['id'];
} else {
return null;
}
}
public function getResult()
{
$connectionDB = ConnectionDB::getInstance();
$mysqli = $connectionDB::connect();
$table = 'math_correct_answers';
$allAnswers = array();
$query = Mysqli_query($mysqli, "\n SELECT `sum_id`, `answer` FROM {$table}\n ");
while ($row = mysqli_fetch_assoc($query)) {
$allAnswers[$row['sum_id']] = $row['answer'];
}
$resultArray = array_intersect_assoc($allAnswers, $_SESSION['answers']);
$data = array();
$data['correctAnswers'] = count($resultArray);
$data['allAnswers'] = count($allAnswers);
$data = json_encode($data);
echo $data;
}
public function deleteSum()
{
$connectionDB = ConnectionDB::getInstance();
$mysqli = $connectionDB::connect();
$id = $_POST['id'];
$response = '';
$query = Mysqli_query($mysqli, "DELETE FROM math_sums WHERE id = " . $id);
if ($query) {
$response .= 'Deleted test ' . $id . 'from math_sums. ';
} else {
exit(mysqli_error($mysqli));
}
$query = Mysqli_query($mysqli, "DELETE FROM math_correct_answers WHERE sum_id = " . $id);
if ($query) {
$response .= 'Deleted test ' . $id . 'from math_correct_answers. ';
} else {
exit(mysqli_error($mysqli));
}
echo $response;
}
public static function updateMoney($idUser, $idMoney, $price)
{
$pdo = ConnectionDB::getInstance()->getDB();
$command = "INSERT INTO dp_history_money (price,id_money,id_user) VALUES(?,?,?)";
$sentencia = $pdo->prepare($command);
$sentencia->bindParam(1, $price);
$sentencia->bindParam(2, $idMoney);
$sentencia->bindParam(3, $idUser);
$sentencia->execute();
return $sentencia->rowCount();
}
public static function getUserByUsername($username)
{
$comando = "SELECT " . self::USERNAME . "," . self::PASSWORD . "," . self::API_KEY . " FROM " . self::NAME_TABLE . " WHERE " . self::USERNAME . "=?";
$sentencia = ConnectionDB::getInstance()->getDB()->prepare($comando);
$sentencia->bindParam(1, $username);
if ($sentencia->execute()) {
return $sentencia->fetch(PDO::FETCH_ASSOC);
} else {
return null;
}
}
public static function change_position($id1, $id2)
{
$pdo = ConnectionDB::getInstance()->getDB();
$command = "UPDATE " . self::NAME_TABLE . " t1, " . self::NAME_TABLE . " t2 SET t1." . self::POSITION . "=t2." . self::POSITION . ", t2." . self::POSITION . "=t1." . self::POSITION . " WHERE t1." . self::ID_PRODUCT . "=? and t2." . self::ID_PRODUCT . "=?";
$sentencia = $pdo->prepare($command);
$sentencia->bindParam(1, $id1);
$sentencia->bindParam(2, $id2);
$sentencia->execute();
return $sentencia->rowCount();
}
