24082020-iOS-PasswordManager-solution.swift

class SettingViewControllerActionDecider : SettingViewControllerProtocol {
	
    private let PasswordProtectedKey = "front"
	
    var isPasswordProtected: Bool {
        get {
            guard let front = UserDefaults.standard.object(forKey: PasswordProtectedKey) as? Bool else { return false }

            return front
        }
		
        set {
            UserDefaults.standard.set(newValue, forKey: PasswordProtectedKey)
        }
    }
	
    func validate(password: String?, confirmPassword: String?, from: SettingViewController) -> Bool {
		
        guard
            let givenPassword = password,
            let givenConfirmedPassword = confirmPassword else {
                print("The password is not equal")
                return false
        }
		
        return givenPassword == givenConfirmedPassword
    }
}