PAS/src/main/java/cn/cslg/pas/service/business/es/EsLegalEventService.java

package cn.cslg.pas.service.business.es;

import cn.cslg.pas.domain.es.LegalEvent;
import cn.cslg.pas.domain.es.PatentQuoteMessage;
import cn.cslg.pas.domain.es.QuotePatent;
import cn.cslg.pas.exception.XiaoShiException;
import co.elastic.clients.elasticsearch.ElasticsearchClient;
import co.elastic.clients.elasticsearch._types.query_dsl.Query;
import co.elastic.clients.elasticsearch._types.query_dsl.QueryBuilders;
import co.elastic.clients.elasticsearch.core.SearchRequest;
import co.elastic.clients.elasticsearch.core.SearchResponse;
import co.elastic.clients.elasticsearch.core.search.Hit;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.*;
import java.util.stream.Collectors;

@Service
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
public class EsLegalEventService {
    private final ElasticsearchClient client;

    //根据专利号查询同族专利号
    public List<LegalEvent> getEsQutePatentByNos(String patentNo) throws Exception {
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index("legal_event");

        Query q1 = QueryBuilders.term(t -> t.field("app_no").value(patentNo));
        //公开号
        Query q2 = QueryBuilders.term(t -> t.field("public_no").value(patentNo));
        //授权号
        Query q3 = QueryBuilders.term(t -> t.field("grant_no").value(patentNo));
        Query query = QueryBuilders.bool(i -> i.should(q1, q2, q3));

        builder.query(query);
        SearchResponse<LegalEvent> response = client.search(builder.build(), LegalEvent.class);
        List<Hit<LegalEvent>> hits = response.hits().hits();
        List<LegalEvent> legalEvents = new ArrayList<>();
        if (hits.size() <= 0) {
            return legalEvents;
        }
        hits.forEach(item -> {
            legalEvents.add(item.source());
        });
        return legalEvents;
    }


    public List<String> getStrLegalEvent(String patentNo) {
        List<String> stringList = new ArrayList<>();
        try {
            List<LegalEvent> legalEvents = this.getEsQutePatentByNos(patentNo);
            legalEvents = legalEvents.stream().sorted(Comparator.comparing(LegalEvent::getEventDate)).collect(Collectors.toList());
            legalEvents.forEach(item -> {
                stringList.add(item.getName());
            });

        } catch (Exception e) {
            throw new XiaoShiException("获得事务错误");
        }
        return stringList;
    }
}