package com.gk.hotwork.Domain.Utils;

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

import java.util.ArrayList;
import java.util.List;

/**
 * @author : jingjy
 * @date : 2021/8/20 10:13
 */
public class PageUtil {

    /**
     * @param pageInfo:分页信息
     * @param column:默认排序列
     * @return Page<T>
     */
    public static <T> Page<T> getPage(PageInfo pageInfo, String column) {
        Page<T> page = new Page<>(pageInfo.getPageIndex(), pageInfo.getPageSize());

        List<OrderItem> orderItems = new ArrayList<>();
        OrderItem orderItem = new OrderItem();
        if (StringUtils.isNotBlank(pageInfo.getSort()) && StringUtils.isNotBlank(pageInfo.getOrder())) {
            orderItem.setAsc("ascending".equalsIgnoreCase(pageInfo.getOrder()));
            orderItem.setColumn(pageInfo.getSort());
        }else {
            orderItem.setAsc(false);
            orderItem.setColumn(column);
        }
        orderItems.add(orderItem);
        page.setOrders(orderItems);
        return page;
    }
}