private boolean checkInputErrors(User user, Model model) {
boolean isErrorInput = false;
if (!user.getEmail().matches(".+@.+\\..+") || user.getEmail().length() > 75) {
model.addAttribute("notCorrectEmail", true);
isErrorInput = true;
}
if (!user.getUsername().matches("[a-zA-Zà-ÿÀ-ß0-9_]+") || user.getUsername().length() > 30) {
model.addAttribute("notCorrectUsername", true);
isErrorInput = true;
} else {
if (userService.isRegistered(user.getUsername())) {
model.addAttribute("usernameAlreadyRegistered", true);
isErrorInput = true;
}
}
if (!user.getPassword().matches("[a-zA-Zà-ÿÀ-ß0-9_]+") || user.getPassword().length() > 30) {
model.addAttribute("notCorrectPassword", true);
isErrorInput = true;
}
return isErrorInput;
}
