package org.springblade.modules.traceability.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.google.zxing.WriterException;
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import org.springblade.common.config.TraceabilityCodeConfig;
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import org.springblade.common.utils.QRCodeUtil;
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import org.springblade.modules.traceability.dto.TraceabilityDTO;
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import org.springblade.modules.traceability.entity.Traceability;
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import org.springblade.modules.traceability.mapper.TraceabilityMapper;
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import org.springblade.modules.traceability.service.TraceabilityService;
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import org.springblade.modules.traceability.vo.TraceabilityVO;
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import org.springframework.stereotype.Service;
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import sun.misc.BASE64Encoder;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.util.List;
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/**
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* 溯源码表服务实现类
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* @since 2022-05-19
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* @author zhongrj
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*/
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@Service
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public class TraceabilityServiceImpl extends ServiceImpl<TraceabilityMapper, Traceability> implements TraceabilityService {
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/**
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* 自定义分页
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*
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* @param page
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* @param traceability
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* @return
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*/
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@Override
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public IPage<TraceabilityVO> selectTraceabilityPage(IPage<TraceabilityVO> page, TraceabilityVO traceability) {
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return page.setRecords(baseMapper.selectTraceabilityPage(page, traceability));
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}
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@Override
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public String selectRevorid(String code) {
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return baseMapper.selectRevorid(code);
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}
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/**
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* 获取溯源简介信息
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* @param traceability
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* @return
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*/
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@Override
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public TraceabilityDTO getSimpleInfo(Traceability traceability) {
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TraceabilityDTO simpleInfo = baseMapper.getSimpleInfo(traceability);
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simpleInfo.setCode(traceability.getCode());
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//获取二维码信息
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String url = TraceabilityCodeConfig.getCodeUrl();
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String encoded = null;
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try {
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encoded = URLEncoder.encode(traceability.getCode(),"UTF-8");
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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String content = url + "?code=" + encoded;
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byte[] qrCodeImage = new byte[0];
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try {
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qrCodeImage = QRCodeUtil.getQRCodeImage(content, 350, 350);
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} catch (WriterException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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String encode = new BASE64Encoder().encode(qrCodeImage);
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simpleInfo.setQrcode("data:image/png;base64,"+encode);
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//返回
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return simpleInfo;
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}
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}
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