fix: find cache query

noweekend-core/core-api/src/main/kotlin/noweekend/core/domain/recommend/RecommendServiceImpl.kt

@@ -1,6 +1,5 @@
 package noweekend.core.domain.recommend
 
-import com.fasterxml.jackson.databind.ObjectMapper
 import noweekend.client.mcp.recommend.RecommendClient
 import noweekend.client.mcp.recommend.model.SandwichRequest
 import noweekend.client.mcp.recommend.model.SandwichResponse
@@ -37,7 +36,6 @@ class RecommendServiceImpl(
     private val weatherWriter: WeatherWriter,
     private val tagRecommendCacheReader: TagRecommendCacheReader,
     private val tagRecommendCacheWriter: TagRecommendCacheWriter,
-    private val objectMapper: ObjectMapper,
 ) : RecommendService {
 
     override fun getWeatherRecommend(userId: String): WeatherResponse {
@@ -104,7 +102,7 @@ class RecommendServiceImpl(
     override fun getTagRecommend(userId: String): TagRecommendations {
         val userTags = tagReader.getUserTags(userId)
         userTagValidation(userTags)
-        val cached = getTagRecommendCaching(RecommendType.MIXED, userTags)
+        val cached = getTagRecommendCaching(RecommendType.MIXED, userId)
 
         if (cached != null) {
             return cached.recommend
@@ -131,12 +129,10 @@ class RecommendServiceImpl(
         }
     }
 
-    private fun getTagRecommendCaching(tagRecommendType: RecommendType, userTags: UserTags): TagRecommendCache? {
-        val tagsJson = objectMapper.writeValueAsString(userTags)
+    private fun getTagRecommendCaching(tagRecommendType: RecommendType, userId: String): TagRecommendCache? {
         return tagRecommendCacheReader.findTodayCache(
             recommendType = tagRecommendType,
-            tagsJson = tagsJson,
-            searchDate = LocalDate.now(),
+            userId = userId,
         )
     }
 
@@ -171,7 +167,7 @@ class RecommendServiceImpl(
         val userTags = tagReader.getUserTags(userId)
         userTagValidation(userTags)
 
-        val cached = getTagRecommendCaching(RecommendType.ONLY_NEW, userTags)
+        val cached = getTagRecommendCaching(RecommendType.ONLY_NEW, userId)
         if (cached != null) {
             return cached.recommend
         }

noweekend-core/core-domain/src/main/kotlin/noweekend/core/domain/tag/TagRecommendCacheReader.kt

@@ -11,9 +11,8 @@ class TagRecommendCacheReader(
 ) {
     fun findTodayCache(
         recommendType: RecommendType,
-        tagsJson: String,
-        searchDate: LocalDate = LocalDate.now(),
+        userId: String,
     ): TagRecommendCache? {
-        return repository.findTodayCache(recommendType, tagsJson, searchDate)
+        return repository.findTodayCache(recommendType, LocalDate.now(), userId)
     }
 }

noweekend-core/core-domain/src/main/kotlin/noweekend/core/domain/tag/TagRecommendCacheRepository.kt

@@ -3,6 +3,6 @@ package noweekend.core.domain.tag
 import java.time.LocalDate
 
 interface TagRecommendCacheRepository {
-    fun findTodayCache(recommendType: RecommendType, tagsJson: String, searchDate: LocalDate): TagRecommendCache?
+    fun findTodayCache(recommendType: RecommendType, searchDate: LocalDate, userId: String): TagRecommendCache?
     fun register(tagRecommendCache: TagRecommendCache)
 }

noweekend-storage/db-core/src/main/kotlin/noweekend/storage/db/core/tag/TagRecommendCacheCoreRepository.kt

@@ -15,16 +15,15 @@ class TagRecommendCacheCoreRepository(
 ) : TagRecommendCacheRepository {
 
     private val log = LoggerFactory.getLogger(this::class.java)
-
     override fun findTodayCache(
         recommendType: RecommendType,
-        tagsJson: String,
         searchDate: LocalDate,
+        userId: String,
     ): TagRecommendCache? {
-        return jpaRepository.findByRecommendTypeAndSearchDateAndTagsJson(
+        return jpaRepository.findByUserIdAndSearchDateAndRecommendType(
             recommendType = recommendType,
             searchDate = searchDate,
-            tagsJson = tagsJson,
+            userId = userId,
         )?.let { converter.entityToDomain(it) }
     }
 

noweekend-storage/db-core/src/main/kotlin/noweekend/storage/db/core/tag/TagRecommendCacheJpaRepository.kt

@@ -5,9 +5,9 @@ import org.springframework.data.jpa.repository.JpaRepository
 import java.time.LocalDate
 
 interface TagRecommendCacheJpaRepository : JpaRepository<TagRecommendCacheEntity, String> {
-    fun findByRecommendTypeAndSearchDateAndTagsJson(
-        recommendType: RecommendType,
+    fun findByUserIdAndSearchDateAndRecommendType(
+        userId: String,
         searchDate: LocalDate,
-        tagsJson: String,
+        recommendType: RecommendType,
     ): TagRecommendCacheEntity?
 }