package org.ros.chatto.service;

import java.util.Date;
import java.util.List;

import org.ros.chatto.dto.ChatMessageDTO;
import org.ros.chatto.model.MessageCipher;

public interface ChatService {
	void saveNewMessage(String fromUser, String toUser , MessageCipher messageCipher);
	
	List<ChatMessageDTO> getAllMessages(String fromUser, String toUser);
	
	List<ChatMessageDTO> getMessagePage(int page, int size);
	
	List<ChatMessageDTO> getNewMessages(String fromUser, String toUser, Date lastMessageTime);
}