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@@ -0,0 +1,47 @@
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+package com.tzld.longarticle.recommend.server.service.recommend;
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+
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+import com.tzld.longarticle.recommend.server.common.enums.recommend.ContentPoolEnum;
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+import com.tzld.longarticle.recommend.server.mapper.longArticle.LongArticleBaseMapper;
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+import com.tzld.longarticle.recommend.server.model.param.PublishContentFilterContentItem;
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+import com.tzld.longarticle.recommend.server.model.param.PublishContentFilterParam;
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+import com.tzld.longarticle.recommend.server.model.vo.PublishContentFilterResultVO;
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+import com.tzld.longarticle.recommend.server.util.TitleSimilarCheckUtil;
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+import lombok.extern.slf4j.Slf4j;
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+import org.apache.commons.collections4.CollectionUtils;
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+import org.springframework.beans.factory.annotation.Autowired;
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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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+import java.util.Set;
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+
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+@Service
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+@Slf4j
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+public class PublishContentFilterService {
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+
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+ @Autowired
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+ private LongArticleBaseMapper longArticleBaseMapper;
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+
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+ public List<PublishContentFilterResultVO> publishContentFilter(PublishContentFilterParam param) {
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+ List<PublishContentFilterResultVO> result = new ArrayList<>();
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+ if (CollectionUtils.isEmpty(param.getContentList())) {
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+ return result;
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+ }
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+ List<String> filterTitleList = longArticleBaseMapper.getFilterColdLongArticleTitle();
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+ List<Set<Character>> firstSecondTitleCache = TitleSimilarCheckUtil.makeCache(filterTitleList);
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+ for (PublishContentFilterContentItem contentItem : param.getContentList()) {
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+ boolean isDuplicate = false;
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+ if (contentItem.getPoolLevel().equals(ContentPoolEnum.autoArticlePoolLevel4.getContentPool())) {
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+ isDuplicate = TitleSimilarCheckUtil.isDuplicateContentByCache(contentItem.getTitle(),
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+ firstSecondTitleCache, TitleSimilarCheckUtil.SIMILARITY_THRESHOLD);
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+ }
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+ if (isDuplicate) {
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+ PublishContentFilterResultVO vo = new PublishContentFilterResultVO();
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+ vo.setSourceId(contentItem.getSourceId());
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+ vo.setFilterReason("退场机制过滤");
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+ result.add(vo);
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+ }
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+ }
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+ return result;
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+ }
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+}
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