97 lines
2.8 KiB
Java
97 lines
2.8 KiB
Java
package com.jsl.oa.dao;
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import com.google.gson.Gson;
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import com.jsl.oa.mapper.InfoMapper;
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import com.jsl.oa.model.dodata.info.CarouselDO;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.dao.DuplicateKeyException;
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import org.springframework.stereotype.Component;
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import java.util.ArrayList;
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import java.util.Collections;
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/**
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* <h1>轮播图数据表</h1>
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* <hr/>
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* 内容进入自定义实体类
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*
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* @author 筱锋xiao_lfeng
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* @version v1.1.0
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* @since v1.1.0
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*/
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@Slf4j
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@Component
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@RequiredArgsConstructor
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public class InfoDAO {
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private final InfoMapper infoMapper;
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private final Gson gson;
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/**
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* <h2>获取轮播图</h2>
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* <hr/>
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* 获取轮播图
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*
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* @return {@link CarouselDO}
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*/
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public CarouselDO getCarousel() {
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String getCarouselSql = infoMapper.getCarousel();
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CarouselDO getCarousel = null;
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if (getCarouselSql != null && !"{}".equals(getCarouselSql)) {
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getCarousel = gson.fromJson(getCarouselSql, CarouselDO.class);
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}
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if (getCarousel == null) {
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// 初始化
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getCarousel = new CarouselDO();
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getCarousel.setOrder("desc");
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getCarousel.setData(new ArrayList<>());
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try {
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infoMapper.insertCarousel();
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} catch (DuplicateKeyException ignored) {
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}
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}
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// 获取排序
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sortCarousel(getCarousel);
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// 添加id
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for (int i = 0; i < getCarousel.getData().size(); i++) {
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getCarousel.getData().get(i).setId(i + 1);
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}
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return getCarousel;
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}
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private void sortCarousel(CarouselDO getCarousel) {
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for (int i = 0; i < getCarousel.getData().size(); i++) {
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for (int j = 0; j < getCarousel.getData().size(); j++) {
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CarouselDO.DataDO dataDO = getCarousel.getData().get(i);
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if ("desc".equals(getCarousel.getOrder())) {
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if (dataDO.getDisplayOrder() > dataDO.getDisplayOrder()) {
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Collections.swap(getCarousel.getData(), i, j);
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}
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} else {
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if (dataDO.getDisplayOrder() < dataDO.getDisplayOrder()) {
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Collections.swap(getCarousel.getData(), i, j);
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}
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}
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}
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}
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}
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/**
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* <h2>设置轮播图</h2>
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* <hr/>
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* 设置轮播图
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*
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* @param carouselDO 轮播图
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* @return {@link Boolean}
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*/
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public boolean setCarousel(CarouselDO carouselDO) {
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sortCarousel(carouselDO);
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// 添加id
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for (int i = 0; i < carouselDO.getData().size(); i++) {
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carouselDO.getData().get(i).setId(i + 1);
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}
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String setCarouselSql = gson.toJson(carouselDO);
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return infoMapper.setCarousel(setCarouselSql);
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}
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}
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