From a15adcbd16d6309e2413626792e6cb79732171b1 Mon Sep 17 00:00:00 2001
From: pricelees <priceelees@gmail.com>
Date: Fri, 17 Oct 2025 19:01:14 +0900
Subject: [PATCH] =?UTF-8?q?refactor:=20=EA=B8=B0=EC=A1=B4=20=ED=85=8C?=
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---
 .../roomescape/theme/business/AdminThemeService.kt  | 13 +++++--------
 .../roomescape/theme/business/ThemeService.kt       | 12 ++++++++++--
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/service/src/main/kotlin/com/sangdol/roomescape/theme/business/AdminThemeService.kt b/service/src/main/kotlin/com/sangdol/roomescape/theme/business/AdminThemeService.kt
index 43c04df7..7496a2ae 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/theme/business/AdminThemeService.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/theme/business/AdminThemeService.kt
@@ -3,22 +3,18 @@ package com.sangdol.roomescape.theme.business
 import com.sangdol.common.persistence.IDGenerator
 import com.sangdol.roomescape.admin.business.AdminService
 import com.sangdol.roomescape.common.types.AuditingInfo
-import com.sangdol.roomescape.theme.dto.ThemeDetailResponse
-import com.sangdol.roomescape.theme.dto.ThemeSummaryListResponse
-import com.sangdol.roomescape.theme.dto.ThemeNameListResponse
-import com.sangdol.roomescape.theme.dto.ThemeCreateRequest
-import com.sangdol.roomescape.theme.dto.ThemeCreateResponse
-import com.sangdol.roomescape.theme.dto.ThemeUpdateRequest
+import com.sangdol.roomescape.theme.dto.*
 import com.sangdol.roomescape.theme.exception.ThemeErrorCode
 import com.sangdol.roomescape.theme.exception.ThemeException
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeEntity
 import com.sangdol.roomescape.theme.infrastructure.persistence.ThemeRepository
 import com.sangdol.roomescape.theme.mapper.toDetailResponse
-import com.sangdol.roomescape.theme.mapper.toSummaryListResponse
 import com.sangdol.roomescape.theme.mapper.toEntity
 import com.sangdol.roomescape.theme.mapper.toNameListResponse
+import com.sangdol.roomescape.theme.mapper.toSummaryListResponse
 import io.github.oshai.kotlinlogging.KLogger
 import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.cache.annotation.CacheEvict
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -81,7 +77,7 @@ class AdminThemeService(
         }
     }
 
-
+    @CacheEvict(cacheNames = ["theme-details"], key = "#id")
     @Transactional
     fun deleteTheme(id: Long) {
         log.info { "[deleteTheme] 테마 삭제 시작: id=${id}" }
@@ -93,6 +89,7 @@ class AdminThemeService(
         }
     }
 
+    @CacheEvict(cacheNames = ["theme-details"], key = "#id")
     @Transactional
     fun updateTheme(id: Long, request: ThemeUpdateRequest) {
         log.info { "[updateTheme] 테마 수정 시작: id=${id}, request=${request}" }
diff --git a/service/src/main/kotlin/com/sangdol/roomescape/theme/business/ThemeService.kt b/service/src/main/kotlin/com/sangdol/roomescape/theme/business/ThemeService.kt
index 50e38130..75824632 100644
--- a/service/src/main/kotlin/com/sangdol/roomescape/theme/business/ThemeService.kt
+++ b/service/src/main/kotlin/com/sangdol/roomescape/theme/business/ThemeService.kt
@@ -10,6 +10,8 @@ import com.sangdol.roomescape.theme.mapper.toInfoResponse
 import com.sangdol.roomescape.theme.mapper.toListResponse
 import io.github.oshai.kotlinlogging.KLogger
 import io.github.oshai.kotlinlogging.KotlinLogging
+import io.micrometer.core.instrument.MeterRegistry
+import org.springframework.cache.annotation.Cacheable
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -21,13 +23,19 @@ private val log: KLogger = KotlinLogging.logger {}
 
 @Service
 class ThemeService(
-    private val themeRepository: ThemeRepository
+    private val themeRepository: ThemeRepository,
+    meterRegistry: MeterRegistry
 ) {
+    private val themeDetailQueryRequestCount = meterRegistry.counter("theme.detail.query.requested")
+
+    @Cacheable(cacheNames = ["theme-details"], key="#id")
     @Transactional(readOnly = true)
     fun findInfoById(id: Long): ThemeInfoResponse {
         log.info { "[findInfoById] 테마 조회 시작: id=$id" }
 
-        val theme = themeRepository.findByIdOrNull(id) ?: run {
+        val theme = themeRepository.findByIdOrNull(id)?.also {
+            themeDetailQueryRequestCount.increment()
+        } ?: run {
             log.warn { "[updateTheme] 테마 조회 실패: id=$id" }
             throw ThemeException(ThemeErrorCode.THEME_NOT_FOUND)
         }