package cn.music.service.impl;

import java.util.List;

import cn.music.dao.UserDao;
import cn.music.dao.impl.UserDaoImpl;
import cn.music.entity.Page;
import cn.music.entity.User;
import cn.music.service.UserService;

public class UserServiceImpl implements UserService {
	UserDao userDao = new UserDaoImpl();
	/**
	 * 分页显示所有用户信息
	 * @param currPageNo
	 * @return
	 */
	public Page findAllUser(int currPageNo){
		Page page = new Page();
		//设置页面传递过来的页码
		page.setCurrPageNo(currPageNo);
		//获取总记录数
		int allRecordNo = userDao.getAllRecordNo();
		//设置总记录数
		page.setAllRecordNo(allRecordNo);
		//获取每页显示行数
		int size = page.getPerPageNo();
		//获取每页起始数
		int start = (page.getCurrPageNo()-1)*size;
		
		//获取分页后的用户集合
		List<User> userList = userDao.findAllUser(start, size);
		page.setCustomerList(userList);
		
		return page;
	}

	@Override
	public int insertUser(User user) {
		return userDao.insertUser(user);
	}

	@Override
	public User loginUser(User user) {
		return userDao.loginUser(user);
	}

	@Override
	public int updatePwd(String newPwd, String userName,String oldPwd) {
		return userDao.updatePwd(newPwd, userName,oldPwd);
	}

	@Override
	public int updateText(String nickName, String gender, String birthday,
			String desc, String userName) {
		return userDao.updateText(nickName, gender, birthday, desc, userName);
	}

	@Override
	public int updateImg(String head, String userName) {
		return userDao.updateImg(head, userName);
	}

	@Override
	public int updateEmail(String email, String userName, String userPwd) {
		return userDao.updateEmail(email, userName, userPwd);
	}
}