feat(recommendation): 추천 배너 언어 필터를 적용한다

src/test/kotlin/kr/co/vividnext/sodalive/v2/content/recommendation/adapter/out/persistence/DefaultAudioRecommendationQueryRepositoryTest.kt

@@ -12,6 +12,7 @@ import kr.co.vividnext.sodalive.content.main.tab.AudioContentMainTab
 import kr.co.vividnext.sodalive.content.theme.AudioContentTheme
 import kr.co.vividnext.sodalive.creator.admin.content.series.Series
 import kr.co.vividnext.sodalive.creator.admin.content.series.SeriesContent
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.block.BlockMember
@@ -96,6 +97,38 @@ class DefaultAudioRecommendationQueryRepositoryTest @Autowired constructor(
         assertEquals(visibleCreator.id, safeBanners.first().creatorId)
     }
 
+    @Test
+    @DisplayName("콘텐츠 추천 배너는 언어 필터를 limit보다 먼저 적용한다")
+    fun shouldFilterBannersByLangBeforeLimit() {
+        val recommendationTab = saveContentRecommendationTab()
+        val koBanner = saveBanner(
+            "ko-audio-banner.png",
+            AudioContentBannerType.LINK,
+            1,
+            link = "https://ko.test",
+            tab = recommendationTab,
+            lang = Lang.KO
+        )
+        val jaBanner = saveBanner(
+            "ja-audio-banner.png",
+            AudioContentBannerType.LINK,
+            2,
+            link = "https://ja.test",
+            tab = recommendationTab,
+            lang = Lang.JA
+        )
+        flushAndClear()
+
+        assertEquals(
+            listOf("https://cdn.test/${koBanner.thumbnailImage}"),
+            repository.findBanners(1, null, false, Lang.KO).map { it.imageUrl }
+        )
+        assertEquals(
+            listOf("https://cdn.test/${jaBanner.thumbnailImage}"),
+            repository.findBanners(1, null, false, Lang.JA).map { it.imageUrl }
+        )
+    }
+
     @Test
     @DisplayName("오리지널 시리즈는 활성 원본 시리즈를 최신순으로 반환하고 성인/차단 조건을 적용한다")
     fun shouldFindOriginalSeriesWithVisibilityConditions() {
@@ -404,11 +437,13 @@ class DefaultAudioRecommendationQueryRepositoryTest @Autowired constructor(
         isAdult: Boolean = false,
         creator: Member? = null,
         link: String? = null,
-        tab: AudioContentMainTab? = null
+        tab: AudioContentMainTab? = null,
+        lang: Lang = Lang.KO
     ): AudioContentBanner {
         val banner = AudioContentBanner(
             thumbnailImage = thumbnailImage,
             type = type,
+            lang = lang,
             isAdult = isAdult,
             isActive = isActive,
             orders = orders

src/test/kotlin/kr/co/vividnext/sodalive/v2/content/recommendation/application/AudioRecommendationQueryServiceTest.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.content.recommendation.application
 
+import kr.co.vividnext.sodalive.i18n.Lang
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
@@ -77,7 +78,7 @@ class AudioRecommendationQueryServiceTest {
             0,
             AudioRecommendationQueryService.RECOMMENDED_AUDIO_LIMIT
         )
-        Mockito.verify(queryPort).findBanners(AudioRecommendationQueryService.BANNER_LIMIT, null, false)
+        Mockito.verify(queryPort).findBanners(AudioRecommendationQueryService.BANNER_LIMIT, null, false, Lang.KO)
         Mockito.verify(queryPort).findLatestAudios(
             eqValue(AudioRecommendationQueryService.LATEST_AUDIO_LIMIT),
             Mockito.isNull(),
@@ -140,6 +141,7 @@ class AudioRecommendationQueryServiceTest {
     fun shouldUseStoredPreferenceForMemberAdultVisibility() {
         val member = member(id = 10L)
         Mockito.doReturn(true).`when`(preferenceService).canViewAdultContent(member)
+        Mockito.doReturn("JP").`when`(preferenceService).resolveCountryCode(member)
         stubFallback(
             RecommendedSectionType.NEW_AND_HOT_AUDIO_ALL,
             0,
@@ -150,6 +152,7 @@ class AudioRecommendationQueryServiceTest {
         service.getRecommendations(member)
 
         Mockito.verify(preferenceService).canViewAdultContent(member)
+        Mockito.verify(queryPort).findBanners(AudioRecommendationQueryService.BANNER_LIMIT, member.id, true, Lang.JA)
         Mockito.verify(preferenceService, Mockito.never()).initializeDefaultPreference(member)
         verifyFallback(
             RecommendedSectionType.NEW_AND_HOT_AUDIO_ALL,