bool MovieChart::login(){
	cout << numUsers << endl;
	string uPass;
	string uName;
	bool test;
	cout << "Please enter your username:" << endl;
	cin >> uName;
	cout << "Please enter your password:" << endl;
	cin >> uPass;
	if(this->numUsers == 0){
		cout << "Invalid username/password combination" << endl;
		return false;
	}else{
		users.reset();
		while(users.checkCur()){
			if(uName == this->users.read().getUsername() && this->users.read().authenticate(uPass)){
				currentUser = users.getCurrent();
				return true;
			}else{
				users++;
			}
		}
		//flag false
		if(test == false){
			cout << "Invalid username/password combination" << endl;
			return false;
		}
	}


}