장소마다 관련 Hashtag를 가져오는 API 연결

backend/build.gradle

@@ -62,6 +62,10 @@ dependencies {
 	// OpenCSV
 	implementation 'com.opencsv:opencsv:5.7.1'
 
+	// Cache
+	implementation 'org.springframework.boot:spring-boot-starter-cache'
+	implementation 'com.github.ben-manes.caffeine:caffeine'
+
 	// Servlet API
 	//compileOnly 'jakarta.servlet:jakarta.servlet-api:6.0.0'
 

backend/src/main/java/_team/onmyway/config/SecurityConfig.java

@@ -39,16 +39,17 @@ SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
                                         "/",
                                         "/find-route",
                                         "/index.html",
-                                        //"/assets/**",
+                                        "/assets/**",
                                         "/login",
                                         "/error",
                                         "/oauth2/authorization/**",
                                         "/login/oauth2/code/**",
                                         "/api/auth/**",
                                         "/swagger-ui/**",
                                         "/v3/api-docs/**",
-                                        "/places/**"
-                                        //"/route/**"
+                                        "/places/**",
+                                        "/route/**",
+                                        "/api/place/**"
                                 ).permitAll() // 요청을 보낸 이가 누구이든 상관없이 통과되는 URL.
                                 .requestMatchers( "/css/**", "/js/**", "/images/**").permitAll()
                                 .anyRequest().authenticated()
@@ -92,7 +93,7 @@ public CorsConfigurationSource corsConfigurationSource() {
     public WebSecurityCustomizer webSecurityCustomizer() {
         return webSecurity -> {
             webSecurity.ignoring()
-                    .requestMatchers("/assets/**", "/route/**");
+                    .requestMatchers("/assets/**");
         };
     }
 }

backend/src/main/java/_team/onmyway/controller/PlaceController.java

@@ -0,0 +1,23 @@
+package _team.onmyway.controller;
+
+import _team.onmyway.dto.PlaceDetailDTO;
+import _team.onmyway.dto.UpdatePlaceDetailDTO;
+import _team.onmyway.service.PlaceService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("api/place")
+@RequiredArgsConstructor
+public class PlaceController {
+
+    private final PlaceService placeService;
+
+    @GetMapping("/{id}")
+    public ResponseEntity<PlaceDetailDTO> getPlaceDetail(@PathVariable long id) {
+        PlaceDetailDTO placeDetailDTO = placeService.getHashtags(id);
+        return new ResponseEntity<>(placeDetailDTO, HttpStatus.OK);
+    }
+}

backend/src/main/java/_team/onmyway/dto/PlaceDetailDTO.java

@@ -0,0 +1,8 @@
+package _team.onmyway.dto;
+
+import java.util.List;
+
+public record PlaceDetailDTO(
+        Long placeId,
+        List<String> hashtags
+) {}

backend/src/main/java/_team/onmyway/dto/PlaceRecommendationDTO.java

@@ -9,6 +9,7 @@
 @Getter
 @AllArgsConstructor
 public class PlaceRecommendationDTO {
+    private Long id;
     private String name;
     private double lat;
     private double lng;

backend/src/main/java/_team/onmyway/dto/RecommendationResponseDTO.java

@@ -26,6 +26,7 @@ public static RecommendationResponseDTO from(List<PlaceRecommendationDTO> recomm
     @Getter
     @AllArgsConstructor
     static class PlaceInfo {
+        private Long placeId;
         private String name;
         private double lat;
         private double lng;
@@ -45,6 +46,7 @@ public static PlaceInfo from(PlaceRecommendationDTO p, double userLat, double us
             int minutes = (int) (distance / 80); // 80m = 1분
 
             return new PlaceInfo(
+                    p.getId(),
                     p.getName(),
                     p.getLat(),
                     p.getLng(),

backend/src/main/java/_team/onmyway/entity/Place.java

@@ -61,6 +61,8 @@ public class Place {
     @OneToMany(mappedBy = "place") // 양방향 연결
     private List<WorkingTime> workingTimes = new ArrayList<>();
 
+    private String catchPhrase;
+
     @BatchSize(size = 100)
     @OneToMany(mappedBy = "place")
     private List<Photos> photos = new ArrayList<>();

backend/src/main/java/_team/onmyway/repository/HashtagMappingRepository.java

@@ -0,0 +1,14 @@
+package _team.onmyway.repository;
+
+import _team.onmyway.entity.HashtagMapping;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface HashtagMappingRepository extends JpaRepository<HashtagMapping, Integer> {
+    @Query("select h.hashTag.tag from HashtagMapping h join h.hashTag where h.place.id =:placeId")
+    public List<String> findHashtagByPlaceId(Long placeId);
+}

backend/src/main/java/_team/onmyway/service/ImageService.java

@@ -3,6 +3,8 @@
 import _team.onmyway.entity.Photos;
 import _team.onmyway.entity.Place;
 import _team.onmyway.repository.PhotosRepository;
+import com.github.benmanes.caffeine.cache.Cache;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.web.reactive.function.client.WebClient;
@@ -18,15 +20,17 @@ public class ImageService {
 
     private final WebClient webClient;
     private final PhotosRepository photosRepository;
+    private final Cache<Long, String> placePhotoCache;
 
     @Value("${naver.api.clientId}")
     private String naverClientId;
 
     @Value("${naver.api.clientSecret}")
     private String naverClientSecret;
 
-    public ImageService(PhotosRepository photosRepository) {
+    public ImageService(PhotosRepository photosRepository, Cache<Long, String> placePhotoCache) {
         this.photosRepository = photosRepository;
+        this.placePhotoCache = placePhotoCache;
         this.webClient = WebClient.builder()
                 .baseUrl("https://openapi.naver.com")
                 .build();
@@ -37,8 +41,14 @@ public Mono<String> getImageURL(Place p) {
         if (hasPhoto) {
             return Mono.just(photosRepository.findFirstByPlaceId(p.getId()).get().getPhotoURL());
         } else {
-            String distinct = p.getAddress().split(" ")[2];
+            String cacheURL = placePhotoCache.getIfPresent(p.getId());
+            if (cacheURL != null) {
+                return Mono.just(cacheURL);
+            }
+
+            String distinct = p.getAddress();
             String name = p.getName();
+
             return webClient.get()
                     .uri(uri -> uri
                             .path("/v1/search/image")

backend/src/main/java/_team/onmyway/service/PlaceService.java

@@ -0,0 +1,25 @@
+package _team.onmyway.service;
+
+import _team.onmyway.dto.PlaceDetailDTO;
+import _team.onmyway.dto.UpdatePlaceDetailDTO;
+import _team.onmyway.entity.HashtagMapping;
+import _team.onmyway.repository.HashtagMappingRepository;
+import _team.onmyway.repository.PlaceRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class PlaceService {
+
+    private final HashtagMappingRepository hashtagMappingRepository;
+
+    public PlaceDetailDTO getHashtags(Long placeId) {
+        List<String> hashtagMappings = hashtagMappingRepository.findHashtagByPlaceId(placeId);
+
+        PlaceDetailDTO placeDetail = new PlaceDetailDTO(placeId, hashtagMappings);
+        return placeDetail;
+    }
+}

backend/src/main/java/_team/onmyway/service/RecommendationService.java

@@ -308,6 +308,7 @@ private PlaceRecommendationDTO toPlaceRecommendationDTO(Place place, double user
         double distance = geoDistanceService.distanceMeters(userLat, userLng, place.getLat(), place.getLng());
         int walkingMinutes = geoDistanceService.estimateWalkingMinutes(distance);
         return new PlaceRecommendationDTO(
+                place.getId(),
                 place.getName(),
                 place.getLat(),
                 place.getLng(),

backend/src/main/resources/application.properties

@@ -45,6 +45,6 @@ jwt.refresh-expiration=${REFRESH_TOKEN_EXPIRATION}
 #Tmap api
 tmap.api.key=${TMAP_API_KEY}
 
-#Naver api
+# Naver api
 naver.api.clientId=${NAVER_CLIENT_ID}
 naver.api.clientSecret=${NAVER_CLIENT_SECRET}