fix(user-admin): 사용자 목록 정렬 및 권한별 접근 로직 개선

src/main/java/inha/gdgoc/domain/user/controller/UserAdminController.java

@@ -32,17 +32,14 @@ public class UserAdminController {
     @GetMapping
     public ResponseEntity<ApiResponse<Page<UserSummaryResponse>, PageMeta>> list(
             @RequestParam(required = false) String q,
-            @RequestParam(required = false) UserRole role,
-            @RequestParam(required = false) TeamType team,
             @RequestParam(defaultValue = "0") int page,
             @RequestParam(defaultValue = "20") int size,
             @RequestParam(defaultValue = "name") String sort,
             @RequestParam(defaultValue = "ASC") String dir
     ) {
         Sort.Direction direction = "ASC".equalsIgnoreCase(dir) ? Sort.Direction.ASC : Sort.Direction.DESC;
         Pageable pageable = PageRequest.of(page, size, Sort.by(direction, sort));
-
-        Page<UserSummaryResponse> result = userAdminService.listUsers(q, role, team, pageable);
+        Page<UserSummaryResponse> result = userAdminService.listUsers(q, pageable);
         return ResponseEntity.ok(ApiResponse.ok("USER_SUMMARY_LIST_RETRIEVED", result, PageMeta.of(result)));
     }
 

src/main/java/inha/gdgoc/domain/user/repository/UserRepository.java

@@ -20,7 +20,6 @@
 public interface UserRepository extends JpaRepository<User, Long>, UserRepositoryCustom {
 
     boolean existsByNameAndEmail(String name, String email);
-
     boolean existsByEmail(String email);
 
     /* ===== 출석/팀 뷰용 기본 쿼리 ===== */
@@ -38,22 +37,13 @@ public interface UserRepository extends JpaRepository<User, Long>, UserRepositor
     List<User> findByTeam(TeamType team);
 
     @Query("""
-            select new inha.gdgoc.domain.user.dto.response.UserSummaryResponse(
-                u.id, u.name, u.major, u.studentId, u.email, u.userRole, u.team
-            )
-            from User u
-            where
-              (
-                :q is null or :q = '' or
-                lower(u.name)      like lower(concat('%', :q, '%')) or
-                lower(u.email)     like lower(concat('%', :q, '%')) or
-                u.studentId        like concat('%', :q, '%') or
-                lower(u.major)     like lower(concat('%', :q, '%'))
-              )
-              and (:role is null or u.userRole = :role)
-              and (:team is null or u.team = :team)
-            """)
-    Page<UserSummaryResponse> findSummaries(@Param("q") String q, @Param("role") inha.gdgoc.domain.user.enums.UserRole role, @Param("team") inha.gdgoc.domain.user.enums.TeamType team, Pageable pageable);
+        select new inha.gdgoc.domain.user.dto.response.UserSummaryResponse(
+            u.id, u.name, u.major, u.studentId, u.email, u.userRole, u.team
+        )
+        from User u
+        where (:q is null or :q = '' or u.name like concat('%', :q, '%'))
+        """)
+    Page<UserSummaryResponse> findSummaries(@Param("q") String q, Pageable pageable);
 
     @NotNull Optional<User> findById(@NotNull Long id);
 }

src/main/java/inha/gdgoc/domain/user/service/UserAdminService.java

@@ -29,10 +29,9 @@ public class UserAdminService {
     /* ======================= 목록 ======================= */
 
     @Transactional(readOnly = true)
-    public Page<UserSummaryResponse> listUsers(String q, UserRole role, TeamType team, Pageable pageable) {
+    public Page<UserSummaryResponse> listUsers(String q, Pageable pageable) {
         Pageable fixed = rewriteSort(pageable);
-        // 레포지토리에 role/team 조건 추가한 메서드가 있어야 함
-        return userRepository.findSummaries(q, role, team, fixed);
+        return userRepository.findSummaries(q, fixed);
     }
 
     private Pageable rewriteSort(Pageable pageable) {
@@ -48,14 +47,21 @@ private Pageable rewriteSort(Pageable pageable) {
 
             if ("userRole".equals(prop)) {
                 hasUserRoleOrder = true;
-                String roleRankCase = "CASE u.userRole " + "WHEN 'GUEST' THEN 0 " + "WHEN 'MEMBER' THEN 1 " + "WHEN 'CORE' THEN 2 " + "WHEN 'LEAD' THEN 3 " + "WHEN 'ORGANIZER' THEN 4 " + "WHEN 'ADMIN' THEN 5 " + "ELSE -1 END";
+                String roleRankCase =
+                        "(CASE " +
+                                " WHEN u.userRole = 'GUEST'     THEN 0 " +
+                                " WHEN u.userRole = 'MEMBER'    THEN 1 " +
+                                " WHEN u.userRole = 'CORE'      THEN 2 " +
+                                " WHEN u.userRole = 'LEAD'      THEN 3 " +
+                                " WHEN u.userRole = 'ORGANIZER' THEN 4 " +
+                                " WHEN u.userRole = 'ADMIN'     THEN 5 " +
+                                " ELSE -1 END)";
                 composed = composed.and(JpaSort.unsafe(dir, roleRankCase));
             } else {
                 composed = composed.and(Sort.by(new Sort.Order(dir, prop)));
             }
         }
 
-        // ROLE 정렬이 있으면 같은 권한 내 name ASC로 안정화
         if (hasUserRoleOrder) {
             composed = composed.and(Sort.by("name").ascending());
         }