public function addToWish($id_product)
{
if ((int) $id_product == 0) {
return false;
}
$id_wish = Db::getInstance()->getValue('SELECT id_wish FROM ' . DB_PREFIX . 'wish WHERE id_user='******' AND id_product=' . (int) $id_product);
if ($id_wish > 0) {
$wish = new Wish($id_wish);
$wish->delete();
return -1;
} else {
$wish = new Wish();
$wish->copyFromPost();
$wish->id_user = (int) $this->id;
$wish->id_product = (int) $id_product;
if ($wish->add()) {
return 1;
}
return false;
}
}
