feat(creator-channel): 오디오 탭 응답 변환을 추가한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/application/CreatorChannelAudioFacade.kt

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+package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.application
+
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.v2.api.creator.channel.audio.dto.CreatorChannelAudioTabResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.audio.application.CreatorChannelAudioQueryService
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import java.time.LocalDateTime
+
+@Service
+@Transactional(readOnly = true)
+class CreatorChannelAudioFacade(
+    private val creatorChannelAudioQueryService: CreatorChannelAudioQueryService
+) {
+    fun getAudioTab(
+        creatorId: Long,
+        viewer: Member,
+        sort: String?,
+        themeId: Long?,
+        page: Int?,
+        size: Int?,
+        now: LocalDateTime = LocalDateTime.now()
+    ): CreatorChannelAudioTabResponse {
+        return CreatorChannelAudioTabResponse.from(
+            creatorChannelAudioQueryService.getAudioTab(
+                creatorId = creatorId,
+                viewer = viewer,
+                sort = sort,
+                themeId = themeId,
+                page = page,
+                size = size,
+                now = now
+            )
+        )
+    }
+}

src/main/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/dto/CreatorChannelAudioTabResponse.kt

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+package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.dto
+
+import com.fasterxml.jackson.annotation.JsonProperty
+import kr.co.vividnext.sodalive.v2.api.creator.channel.common.dto.CreatorChannelAudioContentResponse
+import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
+import kr.co.vividnext.sodalive.v2.creator.channel.audio.domain.CreatorChannelAudioTab
+import kr.co.vividnext.sodalive.v2.creator.channel.audio.domain.CreatorChannelAudioTheme
+
+data class CreatorChannelAudioTabResponse(
+    val audioContentCount: Int,
+    val paidAudioContentCount: Int,
+    val purchasedAudioContentCount: Int,
+    val purchasedAudioContentRate: Double,
+    val themes: List<CreatorChannelAudioThemeResponse>,
+    val audioContents: List<CreatorChannelAudioContentResponse>,
+    val sort: ContentSort,
+    val themeId: Long?,
+    val page: Int,
+    val size: Int,
+    @JsonProperty("hasNext")
+    val hasNext: Boolean
+) {
+    companion object {
+        fun from(tab: CreatorChannelAudioTab): CreatorChannelAudioTabResponse {
+            return CreatorChannelAudioTabResponse(
+                audioContentCount = tab.audioContentCount,
+                paidAudioContentCount = tab.paidAudioContentCount,
+                purchasedAudioContentCount = tab.purchasedAudioContentCount,
+                purchasedAudioContentRate = tab.purchasedAudioContentRate,
+                themes = tab.themes.map(CreatorChannelAudioThemeResponse::from),
+                audioContents = tab.audioContents.map(CreatorChannelAudioContentResponse::from),
+                sort = tab.sort,
+                themeId = tab.themeId,
+                page = tab.page.page,
+                size = tab.page.size,
+                hasNext = tab.hasNext
+            )
+        }
+    }
+}
+
+data class CreatorChannelAudioThemeResponse(
+    val themeId: Long,
+    val themeName: String
+) {
+    companion object {
+        fun from(theme: CreatorChannelAudioTheme): CreatorChannelAudioThemeResponse {
+            return CreatorChannelAudioThemeResponse(
+                themeId = theme.themeId,
+                themeName = theme.themeName
+            )
+        }
+    }
+}

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/creator/channel/audio/application/CreatorChannelAudioFacadeTest.kt

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+package kr.co.vividnext.sodalive.v2.api.creator.channel.audio.application
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.kotlin.KotlinModule
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.v2.common.domain.ContentSort
+import kr.co.vividnext.sodalive.v2.creator.channel.audio.application.CreatorChannelAudioQueryService
+import kr.co.vividnext.sodalive.v2.creator.channel.audio.domain.CreatorChannelAudioTab
+import kr.co.vividnext.sodalive.v2.creator.channel.audio.domain.CreatorChannelAudioTheme
+import kr.co.vividnext.sodalive.v2.creator.channel.common.domain.CreatorChannelAudioContent
+import kr.co.vividnext.sodalive.v2.creator.channel.live.domain.CreatorChannelPage
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.mockito.Mockito
+import java.time.LocalDateTime
+
+class CreatorChannelAudioFacadeTest {
+    @Test
+    @DisplayName("오디오 탭 facade는 query service 결과를 공개 응답 DTO로 변환한다")
+    fun shouldMapAudioTabQueryResultToPublicResponse() {
+        val service = Mockito.mock(CreatorChannelAudioQueryService::class.java)
+        val facade = CreatorChannelAudioFacade(service)
+        val viewer = createMember(id = 10L)
+        val now = LocalDateTime.of(2026, 6, 19, 10, 0)
+        Mockito.doReturn(createTab()).`when`(service).getAudioTab(
+            creatorId = 1L,
+            viewer = viewer,
+            sort = "OWNED",
+            themeId = 10L,
+            page = 0,
+            size = 20,
+            now = now
+        )
+
+        val response = facade.getAudioTab(
+            creatorId = 1L,
+            viewer = viewer,
+            sort = "OWNED",
+            themeId = 10L,
+            page = 0,
+            size = 20,
+            now = now
+        )
+
+        assertEquals(3, response.audioContentCount)
+        assertEquals(2, response.paidAudioContentCount)
+        assertEquals(1, response.purchasedAudioContentCount)
+        assertEquals(50.0, response.purchasedAudioContentRate)
+        assertEquals(10L, response.themes.first().themeId)
+        assertEquals("theme", response.themes.first().themeName)
+        assertEquals(201L, response.audioContents.first().audioContentId)
+        assertTrue(response.audioContents.first().isOwned)
+        assertFalse(response.audioContents.first().isRented)
+        assertEquals(ContentSort.OWNED, response.sort)
+        assertEquals(10L, response.themeId)
+        assertEquals(0, response.page)
+        assertEquals(20, response.size)
+        assertTrue(response.hasNext)
+
+        val json = ObjectMapper().registerModule(KotlinModule.Builder().build()).readTree(
+            ObjectMapper().registerModule(KotlinModule.Builder().build()).writeValueAsString(response)
+        )
+        assertTrue(json["hasNext"].asBoolean())
+        assertTrue(json["audioContents"][0]["isOwned"].asBoolean())
+        assertFalse(json["audioContents"][0]["isRented"].asBoolean())
+    }
+
+    private fun createMember(id: Long): Member {
+        return Member(
+            email = "viewer$id@test.com",
+            password = "password",
+            nickname = "viewer$id",
+            role = MemberRole.USER
+        ).apply { this.id = id }
+    }
+
+    private fun createTab(): CreatorChannelAudioTab {
+        return CreatorChannelAudioTab(
+            audioContentCount = 3,
+            paidAudioContentCount = 2,
+            purchasedAudioContentCount = 1,
+            purchasedAudioContentRate = 50.0,
+            themes = listOf(CreatorChannelAudioTheme(themeId = 10L, themeName = "theme")),
+            audioContents = listOf(
+                CreatorChannelAudioContent(
+                    audioContentId = 201L,
+                    title = "audio",
+                    duration = "00:10:00",
+                    imageUrl = "audio.png",
+                    price = 30,
+                    isAdult = false,
+                    isPointAvailable = true,
+                    isFirstContent = true,
+                    seriesName = "series",
+                    isOriginalSeries = true,
+                    isOwned = true,
+                    isRented = false
+                )
+            ),
+            sort = ContentSort.OWNED,
+            themeId = 10L,
+            page = CreatorChannelPage(page = 0, size = 20),
+            hasNext = true
+        )
+    }
+}