/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.core.mp.support;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 视图包装基类
 *
 * @author Chill
 */
public abstract class BaseEntityWrapper<E, V> {

	/**
	 * 单个实体类包装
	 *
	 * @param entity 实体类
	 * @return V
	 */
	public abstract V entityVO(E entity);

	/**
	 * 实体类集合包装
	 *
	 * @param list 实体类集合
	 * @return List<V>
	 */
	public List<V> listVO(List<E> list) {
		return list.stream().map(this::entityVO).collect(Collectors.toList());
	}

	/**
	 * 分页实体类集合包装
	 *
	 * @param pages 分页对象
	 * @return IPage<V>
	 */
	public IPage<V> pageVO(IPage<E> pages) {
		List<V> records = listVO(pages.getRecords());
		IPage<V> pageVo = new Page<>(pages.getCurrent(), pages.getSize(), pages.getTotal());
		pageVo.setRecords(records);
		return pageVo;
	}

}