feat(admin-member): 닉네임 검색으로 회원 id, nickname 반환 API 추가

src/main/kotlin/kr/co/vividnext/sodalive/admin/member/AdminMemberController.kt

@@ -36,6 +36,12 @@ class AdminMemberController(private val service: AdminMemberService) {
         pageable: Pageable
     ) = ApiResponse.ok(service.searchMember(searchWord, pageable))
 
+    @GetMapping("/search-by-nickname")
+    fun searchMemberByNickname(
+        @RequestParam(value = "search_word") searchWord: String,
+        @RequestParam(value = "size", required = false) size: Int?
+    ) = ApiResponse.ok(service.searchMemberByNickname(searchWord = searchWord, size = size ?: 20))
+
     @GetMapping("/creator/all/list")
     fun getCreatorAllList() = ApiResponse.ok(service.getCreatorAllList())
 

src/main/kotlin/kr/co/vividnext/sodalive/admin/member/AdminMemberRepository.kt

@@ -16,6 +16,7 @@ interface AdminMemberQueryRepository {
     fun searchMemberTotalCount(searchWord: String, role: MemberRole? = null): Int
     fun getCreatorAllList(): List<GetAdminCreatorAllListResponse>
     fun findByIdAndActive(memberId: Long): Member?
+    fun searchMemberByNickname(searchWord: String, limit: Long = 20): List<AdminSimpleMemberResponse>
 }
 
 class AdminMemberQueryRepositoryImpl(private val queryFactory: JPAQueryFactory) : AdminMemberQueryRepository {
@@ -121,4 +122,22 @@ class AdminMemberQueryRepositoryImpl(private val queryFactory: JPAQueryFactory)
             .orderBy(member.id.desc())
             .fetchFirst()
     }
+
+    override fun searchMemberByNickname(searchWord: String, limit: Long): List<AdminSimpleMemberResponse> {
+        return queryFactory
+            .select(
+                QAdminSimpleMemberResponse(
+                    member.id,
+                    member.nickname
+                )
+            )
+            .from(member)
+            .where(
+                member.nickname.contains(searchWord)
+                    .and(member.isActive.isTrue)
+            )
+            .orderBy(member.id.desc())
+            .limit(limit)
+            .fetch()
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/admin/member/AdminMemberService.kt

@@ -145,6 +145,12 @@ class AdminMemberService(
         return repository.getCreatorAllList()
     }
 
+    fun searchMemberByNickname(searchWord: String, size: Int = 20): List<AdminSimpleMemberResponse> {
+        if (searchWord.length < 2) throw SodaException("2글자 이상 입력하세요.")
+        val limit = if (size <= 0) 20 else size
+        return repository.searchMemberByNickname(searchWord = searchWord, limit = limit.toLong())
+    }
+
     @Transactional
     fun resetPassword(request: ResetPasswordRequest) {
         val member = repository.findByIdAndActive(memberId = request.memberId)

src/main/kotlin/kr/co/vividnext/sodalive/admin/member/AdminSimpleMemberResponse.kt

@@ -0,0 +1,12 @@
+package kr.co.vividnext.sodalive.admin.member
+
+import com.querydsl.core.annotations.QueryProjection
+
+/**
+ * 관리자용 간단 회원 응답 DTO
+ * 닉네임 검색 결과로 사용되며 charge 등에서 memberId 선택에 활용된다.
+ */
+data class AdminSimpleMemberResponse @QueryProjection constructor(
+    val id: Long,
+    val nickname: String
+)