private String getStudentInfo(String username) {
Student stu = studentRepository.findByUsername(username);
String ret =
"Student username: "******", password: "******", name: "
+ stu.getFirstName()
+ " "
+ stu.getLastName()
+ "\n";
return ret;
}
// Return error string if there is an error. Return empty string if there is no error.
public String login(String username, String password) {
String ret = "";
String errorMsg = "Please enter your Username and Password.";
String errorMsg2 = "The username doesn't exist.";
String errorMsg3 = "Wrong password!";
if (username == null
|| (username != null && username.isEmpty())
|| password == null
|| (password != null && password.isEmpty())) {
ret = errorMsg;
return ret;
}
Student stu = studentRepository.findByUsername(username);
if (stu == null) { // can't find username
ret = errorMsg2;
} else if (!stu.getPassword().equals(password)) { // password doesn't match
ret = errorMsg3;
}
return ret;
}