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[Content] 콘텐츠 키워드 검색 개선 #130

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Merged
jeonggiju merged 2 commits into from
Jan 29, 2026
Merged

[Content] 콘텐츠 키워드 검색 개선 #130

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0950ce1
feat : 검색어 원문 자체를 공백 기준 토큰화 하는 기본 분석 방법도 추가
userjin2123 Jan 28, 2026
e238c2d
feat : 기존에서 standard analyzer 로 매칭되는 가중치 높임 + nori 구문 일치는 앞에서 부터 높은점수…
userjin2123 Jan 28, 2026
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7 changes: 6 additions & 1 deletion mopl-core/src/main/java/com/mopl/moplcore/domain/content/document/ContentDocument.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;
import org.springframework.data.elasticsearch.annotations.InnerField;
import org.springframework.data.elasticsearch.annotations.MultiField;
import org.springframework.data.elasticsearch.annotations.Setting;

import com.mopl.moplcore.domain.content.entity.Type;
Expand Down Expand Up @@ -39,7 +41,10 @@ public class ContentDocument {
@Field(type = FieldType.Keyword)
private Type type;

@Field(type = FieldType.Text, analyzer = "nori")
@MultiField(
mainField = @Field(type = FieldType.Text, analyzer = "nori"),
otherFields = @InnerField(suffix = "raw", type = FieldType.Text, analyzer = "standard")
)
private String title;

@Field(type = FieldType.Text, analyzer = "nori")
Expand Down
31 changes: 18 additions & 13 deletions mopl-core/src/main/java/com/mopl/moplcore/domain/content/service/ContentSearchService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@
import com.mopl.moplcore.domain.content.dto.ContentSearchRequest;
import com.mopl.moplcore.domain.content.dto.CursorResponseContentDto;
import com.mopl.moplcore.domain.content.entity.Content;
import com.mopl.moplcore.domain.content.entity.Type;
import com.mopl.moplcore.domain.content.exception.ContentNotFoundException;
import com.mopl.moplcore.domain.content.repository.ContentRepository;
import com.mopl.moplcore.domain.content.repository.ContentTagRepository;
Expand Down Expand Up @@ -139,18 +138,25 @@ private BoolQuery.Builder buildBasicFilters(ContentSearchRequest request) {
BoolQuery.Builder boolQuery = new BoolQuery.Builder();

if (request.getKeywordLike() != null && !request.getKeywordLike().trim().isEmpty()) {
String rawKeyword = request.getKeywordLike().trim();
String keyword = request.getKeywordLike().trim() + " ";
boolQuery.must(m -> m.bool(b -> b
// 1. nori 구문 일치 (완전 일치 우선)
.should(s -> s.matchPhrase(mp -> mp.field("title").query(keyword).boost(100.0f)))
.should(s -> s.matchPhrase(mp -> mp.field("description").query(keyword).boost(2.0f)))
// 2. nori 접두사 일치
.should(s -> s.matchPhrasePrefix(mp -> mp.field("title").query(keyword).boost(50.0f)))
.should(s -> s.matchPhrasePrefix(mp -> mp.field("description").query(keyword).boost(1.5f)))
// 3. nori 토큰 일치
.should(s -> s.match(mt -> mt.field("title").query(keyword).boost(3.0f)))
.should(s -> s.match(mt -> mt.field("description").query(keyword).boost(1.0f)))
.minimumShouldMatch("1")));
String[] words = rawKeyword.split("\\s+");

boolQuery.must(m -> m.bool(b -> {
b.should(s -> s.match(mt -> mt.field("title.raw").query(rawKeyword).boost(200.0f)));

float[] boost = {300.0f};
for (String word : words) {
String wordWithSpace = word + " ";
float currentBoost = boost[0];
b.should(s -> s.match(mt -> mt.field("title").query(wordWithSpace).boost(currentBoost)));
boost[0] *= 0.5f;
}

b.should(s -> s.match(mt -> mt.field("description").query(keyword).boost(1.0f)));

return b.minimumShouldMatch("1");
}));
}

if (request.getTypeEqual() != null) {
Expand Down Expand Up @@ -248,7 +254,6 @@ private String generateNextCursor(List<ContentDocument> docs, boolean hasNext, C
return CursorResponseContentDto.encodeCursor(cursor);
}


public ContentDto getContent(UUID id) {
Content content = contentRepository.findById(id).orElseThrow(() -> new ContentNotFoundException(id));
return toDto(content);
Expand Down