Feat : 특정 사용자의 활동 기록에서 많이 사용된 태그 조회 기능 추가

src/main/java/umc/kkijuk/server/career/controller/CareerSearchController.java

@@ -12,6 +12,7 @@
 import umc.kkijuk.server.member.service.MemberService;
 
 import java.util.List;
+import umc.kkijuk.server.tag.dto.TagUsageResponseDto;
 
 @Tag(name="Search Career", description = "활동 조회 및 검색 관련 API")
 @RestController
@@ -92,6 +93,20 @@ public CareerResponse<FindTagResponse.SearchTagResponse> findTag(
         );
     }
 
+    @GetMapping("/find/taglist/count")
+    @Operation(
+        summary = "활동 검색 - 태그 ( 사용량이 많은 태그 순으로 조회 )",
+        description = "특정 사용자의 활동 태그들을 사용량 순으로 조회합니다.  ")
+    public CareerResponse<List<TagUsageResponseDto>> findTagWithCount(
+        @RequestHeader("Authorization") String token
+    ) {
+        Member requestMember = loginUser.extractMemberId(token);
+        return CareerResponse.success(
+            CareerResponseMessage.CAREER_SEARCH_SUCCESS,
+            careerSearchService.findAllTagWithCount(requestMember)
+        );
+    }
+
     @GetMapping("/find/tag")
     @Operation(
             summary = "활동 검색 - 태그 ( 선택한 태그에 대한 활동 기록 조회 )",

src/main/java/umc/kkijuk/server/career/service/CareerSearchService.java

@@ -1,10 +1,12 @@
 package umc.kkijuk.server.career.service;
 
 import umc.kkijuk.server.career.controller.response.*;
+import umc.kkijuk.server.career.controller.response.FindTagResponse.SearchTagResponse;
 import umc.kkijuk.server.member.domain.Member;
 
 import java.util.List;
 import java.util.Map;
+import umc.kkijuk.server.tag.dto.TagUsageResponseDto;
 
 public interface CareerSearchService {
     List<TimelineResponse> findCareerForTimeline(Member requestMember);
@@ -21,4 +23,6 @@ public interface CareerSearchService {
     List<FindCareerResponse> findCareerWithKeyword(Member requestMember, String keyword, String sort);
 
     List<CareerTitleResponse> findCareerForNewDetail(Member requestMember);
+
+    List<TagUsageResponseDto> findAllTagWithCount(Member requestMember);
 }

src/main/java/umc/kkijuk/server/career/service/CareerSearchServiceImpl.java

@@ -2,9 +2,11 @@
 
 import lombok.Builder;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import umc.kkijuk.server.career.controller.response.*;
+import umc.kkijuk.server.career.controller.response.FindTagResponse.SearchTagResponse;
 import umc.kkijuk.server.career.domain.*;
 import umc.kkijuk.server.career.dto.converter.BaseCareerConverter;
 import umc.kkijuk.server.career.repository.*;
@@ -16,6 +18,7 @@
 import umc.kkijuk.server.detail.repository.CareerDetailRepository;
 import umc.kkijuk.server.member.domain.Member;
 import umc.kkijuk.server.tag.domain.Tag;
+import umc.kkijuk.server.tag.dto.TagUsageResponseDto;
 import umc.kkijuk.server.tag.repository.TagRepository;
 
 import java.time.LocalDate;
@@ -334,6 +337,12 @@ public List<CareerTitleResponse> findCareerForNewDetail(Member requestMember) {
             .collect(Collectors.toList());
     }
 
+    @Override
+    public List<TagUsageResponseDto> findAllTagWithCount(Member requestMember) {
+        List<TagUsageResponseDto> tags = tagRepository.findTopPopularTagsByMember(requestMember.getId(), PageRequest.of(0, 10));
+        return tags;
+    }
+
 
     //타임라인 쪽에서 데이터 구별 하기 위함
     private CareerType resolveCareerType(BaseCareer career) {

src/main/java/umc/kkijuk/server/tag/dto/TagUsageResponseDto.java

@@ -0,0 +1,13 @@
+package umc.kkijuk.server.tag.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class TagUsageResponseDto {
+  private Long id;
+  private String name;
+  private long usageCount;
+
+}

src/main/java/umc/kkijuk/server/tag/repository/TagJpaRepository.java

@@ -1,5 +1,6 @@
 package umc.kkijuk.server.tag.repository;
 
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
@@ -8,6 +9,7 @@
 
 import java.util.List;
 import java.util.Optional;
+import umc.kkijuk.server.tag.dto.TagUsageResponseDto;
 
 public interface TagJpaRepository extends JpaRepository<Tag,Long> {
     boolean existsByNameAndMemberId(String name, Long memberId);
@@ -18,4 +20,24 @@ public interface TagJpaRepository extends JpaRepository<Tag,Long> {
             "ORDER BY CASE WHEN tag.name = :keyword THEN 0 ELSE 1 END, tag.name ASC")
     List<Tag> findByKeywordAndMemberId(@Param("keyword") String keyword, @Param("memberId") Long memberId);
     Optional<Tag> findById(Long Id);
+
+    @Query("""
+      select new umc.kkijuk.server.tag.dto.TagUsageResponseDto(
+        t.id, t.name, count(cdt.id)
+      )
+      from Tag t
+      left join CareerDetailTag cdt on cdt.tag = t
+      left join cdt.baseCareerDetail bcd
+      where t.memberId = :memberId
+        and (bcd is null or bcd.memberId = :memberId)
+      group by t.id, t.name
+      order by count(cdt.id) desc, t.name asc
+    """)
+    List<TagUsageResponseDto> findTopPopularTagsByMember(
+        @Param("memberId") Long memberId,
+        Pageable pageable
+    );
+
+
+
 }

src/main/java/umc/kkijuk/server/tag/repository/TagRepository.java

@@ -1,9 +1,11 @@
 package umc.kkijuk.server.tag.repository;
 
+import org.springframework.data.domain.Pageable;
 import umc.kkijuk.server.tag.domain.Tag;
 
 import java.util.List;
 import java.util.Optional;
+import umc.kkijuk.server.tag.dto.TagUsageResponseDto;
 
 public interface TagRepository {
     boolean existsByNameAndMemberId(String tagName, Long memberId);
@@ -17,4 +19,5 @@ public interface TagRepository {
     void delete(Tag deleteTag);
 
     List<Tag> findByKeywordAndMemberId(String keyword, Long id);
+    List<TagUsageResponseDto> findTopPopularTagsByMember(Long memberId, Pageable pageable);
 }

src/main/java/umc/kkijuk/server/tag/repository/TagRepositoryImpl.java

@@ -1,11 +1,14 @@
 package umc.kkijuk.server.tag.repository;
 
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Repository;
 import umc.kkijuk.server.tag.domain.Tag;
 
 import java.util.List;
 import java.util.Optional;
+import umc.kkijuk.server.tag.dto.TagUsageResponseDto;
 
 @Repository
 @RequiredArgsConstructor
@@ -41,4 +44,9 @@ public void delete(Tag deleteTag) {
     public List<Tag> findByKeywordAndMemberId(String keyword, Long id) {
         return tagJpaRepository.findByKeywordAndMemberId(keyword,id);
     }
+
+    @Override
+    public List<TagUsageResponseDto> findTopPopularTagsByMember(Long memberId, Pageable pageable) {
+        return tagJpaRepository.findTopPopularTagsByMember(memberId, pageable);
+    }
 }