From 1d94be5efaa83c24596a8d76e870ac64ed663ee6 Mon Sep 17 00:00:00 2001
From: sumi <lsmkoo03@naver.com>
Date: Sun, 14 Sep 2025 01:39:39 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=EC=B6=94=EC=B2=9C=20=EB=A3=A8=ED=8A=B8?=
 =?UTF-8?q?=20=EC=A1=B0=ED=9A=8C=20API=20=EC=98=A4=EB=A5=98=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../route/controller/RouteController.java     |  4 +--
 .../route/repository/RouteRepository.java     | 30 ++++++++++---------
 .../domain/route/service/RouteService.java    | 13 ++++----
 3 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/src/main/java/com/mey/backend/domain/route/controller/RouteController.java b/src/main/java/com/mey/backend/domain/route/controller/RouteController.java
index 4843576..79e013d 100644
--- a/src/main/java/com/mey/backend/domain/route/controller/RouteController.java
+++ b/src/main/java/com/mey/backend/domain/route/controller/RouteController.java
@@ -63,11 +63,11 @@ public CommonResponse<StartRouteResponse> startRoute(
             description = "추천 루트들을 조회한 결과를 반환합니다."
     )@GetMapping("/recommend")
     public CommonResponse<RouteRecommendListResponseDto> getRecommendedRoutes(
-            @RequestParam(required = false) List<Theme> themes,
+            @RequestParam(required = false) Theme theme,
             @RequestParam(defaultValue = "20") int limit,
             @RequestParam(defaultValue = "0") int offset) {
 
-        RouteRecommendListResponseDto response = routeService.getRecommendedRoutes(themes, limit, offset);
+        RouteRecommendListResponseDto response = routeService.getRecommendedRoutes(theme, limit, offset);
         return CommonResponse.onSuccess(response);
     }
 
diff --git a/src/main/java/com/mey/backend/domain/route/repository/RouteRepository.java b/src/main/java/com/mey/backend/domain/route/repository/RouteRepository.java
index ce14ece..9faf5e9 100644
--- a/src/main/java/com/mey/backend/domain/route/repository/RouteRepository.java
+++ b/src/main/java/com/mey/backend/domain/route/repository/RouteRepository.java
@@ -9,23 +9,23 @@
 import java.util.List;
 
 public interface RouteRepository extends JpaRepository<Route, Long> {
-    
+
     // 특정 테마를 포함하는 루트 조회
     @Query(value = "SELECT * FROM routes r WHERE JSON_CONTAINS(r.themes, JSON_QUOTE(:theme))", nativeQuery = true)
     List<Route> findByThemesContaining(@Param("theme") String theme);
-    
-    // 지역별 루트 조회  
+
+    // 지역별 루트 조회
     @Query("SELECT r FROM Route r WHERE r.region.nameKo = :regionName")
     List<Route> findByRegionName(@Param("regionName") String regionName);
-    
+
     // 테마와 지역으로 필터링된 루트 조회
     @Query(value = "SELECT r.* FROM routes r LEFT JOIN regions reg ON r.region_id = reg.region_id WHERE (:themes IS NULL OR JSON_OVERLAPS(r.themes, CAST(:themes AS JSON))) AND (:regionName IS NULL OR reg.name_ko = :regionName)", nativeQuery = true)
     List<Route> findByThemesAndRegion(@Param("themes") String themes, @Param("regionName") String regionName);
-    
+
     // 여러 테마 중 하나라도 포함하는 루트 조회
     @Query(value = "SELECT * FROM routes r WHERE JSON_OVERLAPS(r.themes, CAST(:themes AS JSON))", nativeQuery = true)
     List<Route> findByThemesContainingAny(@Param("themes") String themes);
-    
+
     // 인기도순 정렬 (비용 기준으로 대체)
     @Query("SELECT r FROM Route r ORDER BY r.totalCost ASC")
     List<Route> findAllOrderByPopularity();
@@ -34,12 +34,14 @@ public interface RouteRepository extends JpaRepository<Route, Long> {
     // POPULAR 전체
     List<Route> findByRouteType(RouteType routeType);
 
-    // POPULAR + themes 조건
+    // POPULAR + theme 조건
+
     @Query(value = """
-    SELECT *
-    FROM routes r
-    WHERE r.route_type = 'POPULAR'
-      AND JSON_OVERLAPS(r.themes, CAST(:themesJson AS JSON))
-    """, nativeQuery = true)
-    List<Route> findPopularByThemes(@Param("themesJson") String themesJson);
-}
+            SELECT * FROM routes
+            WHERE route_type = 'POPULAR'
+              AND JSON_CONTAINS(themes, :themeJson)
+            ORDER BY id ASC
+            """, nativeQuery = true)
+    List<Route> findPopularByThemes(@Param("themeJson") String themeJson);
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/mey/backend/domain/route/service/RouteService.java b/src/main/java/com/mey/backend/domain/route/service/RouteService.java
index df9c128..4772009 100644
--- a/src/main/java/com/mey/backend/domain/route/service/RouteService.java
+++ b/src/main/java/com/mey/backend/domain/route/service/RouteService.java
@@ -219,15 +219,12 @@ private Totals computeTotals(List<Place> selected, List<Long> orderedPlaceIds) {
     private record Totals(int totalDurationSec, int totalDistanceMeters, int totalFare) {
     }
 
-    public RouteRecommendListResponseDto getRecommendedRoutes(List<Theme> themes, int limit, int offset) {
+    public RouteRecommendListResponseDto getRecommendedRoutes(Theme theme, int limit, int offset) {
         List<Route> allRoutes;
 
-        if (themes != null && !themes.isEmpty()) {
-            // themes를 JSON 배열 문자열로 변환
-            String themesJson = themes.stream()
-                    .map(t -> "\"" + t.name() + "\"") // "FOOD", "CAFE" 이런 식으로
-                    .collect(Collectors.joining(",", "[", "]"));
-
+        if (theme != null) {
+            // theme을 JSON 배열 문자열로 변환 (단일)
+            String themesJson = "[\"" + theme.name() + "\"]";
             allRoutes = routeRepository.findPopularByThemes(themesJson);
         } else {
             allRoutes = routeRepository.findByRouteType(RouteType.POPULAR);
@@ -409,4 +406,4 @@ public RouteCreateResponseDto createRoute(RouteCreateRequestDto request) {
                 .regionName(savedRoute.getRegion() != null ? savedRoute.getRegion().getNameKo() : null)
                 .build();
     }
-}
+}
\ No newline at end of file