package com.juick.service;

import com.juick.User;

import java.util.Optional;

public interface MessengerService {
    Integer getUserId(String senderId);
    Optional<String> getSenderId(User user);
    boolean createMessengerUser(String senderId, String displayName);
    String getDisplayName(String hash);
    String getSignUpHash(String senderId, String username);
    boolean linkMessengerUser(String hash, int uid);
}