/**
* updates the maximum calories of a given user
*
* @param username - the currently logged in user
* @param newMaxCalories - the new max daily calories for the user
*/
@Transactional
public void updateUserMaxCaloriesPerDay(String username, Long newMaxCalories) {
User user = userRepository.findUserByUsername(username);
if (user != null) {
user.setMaxCaloriesPerDay(newMaxCalories);
} else {
LOGGER.info("User with username " + username + " could not have the max calories updated.");
}
}
/**
* creates a new user in the database
*
* @param username - the username of the new user
* @param email - the user email
* @param password - the user plain text password
*/
@Transactional
public void createUser(String username, String email, String password) {
assertNotBlank(username, "Username cannot be empty.");
assertMinimumLength(username, 6, "Username must have at least 6 characters.");
assertNotBlank(email, "Email cannot be empty.");
assertMatches(email, EMAIL_REGEX, "Invalid email.");
assertNotBlank(password, "Password cannot be empty.");
assertMatches(
password,
PASSWORD_REGEX,
"Password must have at least 6 characters, with 1 numeric and 1 uppercase character.");
if (!userRepository.isUsernameAvailable(username)) {
throw new IllegalArgumentException("The username is not available.");
}
User user =
new User(
username, new BCryptPasswordEncoder().encode(password), email, DEFAULT_MAX_CAL_PER_DAY);
userRepository.save(user);
}
@Transactional(readOnly = true)
public Long findTodaysCaloriesForUser(String username) {
return userRepository.findTodaysCaloriesForUser(username);
}
@Transactional(readOnly = true)
public User findUserByUsername(String username) {
return userRepository.findUserByUsername(username);
}