$id_book = isset($_REQUEST['id_book']) ? $_REQUEST['id_book'] : '';
$book = getBookFromId($id_book);
$errors = array();
$success_message;
if (isset($_REQUEST["cmd"])) {
$cmd = $_REQUEST["cmd"];
switch ($cmd) {
case 'buy_book_step_2':
$quantity = $_REQUEST['quantity'];
if (filter_var($quantity, FILTER_VALIDATE_INT) === false || $quantity < 1) {
$errors[] = "Quantità non valida.";
}
if (count($errors) == 0) {
$total = number_format($book['price'], 2) * $quantity;
$res = buyBook($_SESSION['id_user'], $id_book, $quantity, $total);
if ($res == false) {
$errors[] = "ERRORE.";
} else {
if ($res['respond'] == false) {
$errors[] = $res['mess'];
} else {
$success_message = $res['mess'];
$book = getBookFromId($id_book);
}
}
}
break;
default:
break;
}
public function testBuyBook()
{
$this->assertEquals("NG", buyBook(350));
$this->assertEquals("OK", buyBook(400));
}
