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+package cn.cslg.pas.service.impl;
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+
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+import cn.cslg.pas.common.model.dto.AssoProductPatentAddNewDTO;
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+import cn.cslg.pas.domain.asso.AssoProductPatent;
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+import cn.cslg.pas.mapper.asso.AssoProductPatentMapper;
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+import cn.cslg.pas.service.IAssoProductPatentService;
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+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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+import lombok.extern.slf4j.Slf4j;
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+import org.springframework.beans.BeanUtils;
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+import org.springframework.stereotype.Service;
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+
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+import java.util.ArrayList;
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+import java.util.List;
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+
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+/**
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+ * @Author chenyu
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+ * @Date 2023/4/14
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+ */
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+@Slf4j
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+@Service
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+public class AssoProductPatentServiceImpl extends ServiceImpl<AssoProductPatentMapper, AssoProductPatent> implements IAssoProductPatentService {
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+ /**
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+ * 新增专利和产品关联
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+ *
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+ * @param assoProductPatentAddNewDTO 新增专利和多个产品关联的DTO类
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+ */
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+ @Override
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+ public void addNewAssoProductPatent(AssoProductPatentAddNewDTO assoProductPatentAddNewDTO) {
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+ log.info("开始处理【新增专利和产品关联】的业务，参数为：{}", assoProductPatentAddNewDTO);
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+
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+ //从DTO中获取要新增关联的专利号和产品ids
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+ String patentNo = assoProductPatentAddNewDTO.getPatentNo();
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+ List<Integer> newProductIds = assoProductPatentAddNewDTO.getProductIds();
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+
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+ //先查库中已有的该专利号和产品关联数据
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+ LambdaQueryWrapper<AssoProductPatent> wrapper = new LambdaQueryWrapper<>();
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+ wrapper.eq(AssoProductPatent::getPatentNo, patentNo);
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+ List<AssoProductPatent> assoProductPatents = this.list(wrapper);
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+ if (assoProductPatents != null && assoProductPatents.size() > 0) {
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+ ArrayList<Integer> oldProductIds = new ArrayList<>();
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+ for (AssoProductPatent assoProductPatent : assoProductPatents) {
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+ oldProductIds.add(assoProductPatent.getProductId());
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+ }
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+ //产品ids去重
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+ newProductIds.removeAll(oldProductIds);
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+ }
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+
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+ if (newProductIds.size() > 0) {
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+ assoProductPatents = new ArrayList<>();
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+ for (Integer newProductId : newProductIds) {
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+ AssoProductPatent assoProductPatent = new AssoProductPatent()
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+ .setPatentNo(patentNo)
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+ .setProductId(newProductId);
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+ assoProductPatents.add(assoProductPatent);
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+ }
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+ //产品和专利关联表插入数据
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+ log.info("数据入产品和专利关联表");
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+ this.saveBatch(assoProductPatents);
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+ }
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+
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+ log.info("新增专利和产品关联完成");
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+
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+ }
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+
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+}
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chendayu