feat(content): 전체보기 UI 모델 매핑을 추가한다

app/src/main/java/kr/co/vividnext/sodalive/v2/main/content/overview/model/ContentOverviewMappers.kt

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+package kr.co.vividnext.sodalive.v2.main.content.overview.model
+
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewItemResponse
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewPageResponse
+import kr.co.vividnext.sodalive.v2.widget.AudioContentTag
+
+fun ContentOverviewPageResponse.toContent(): ContentOverviewUiState.Content {
+    return ContentOverviewUiState.Content(
+        type = type,
+        totalCount = items.size,
+        items = items.map { it.toUiModel() },
+        page = page,
+        size = size,
+        hasNext = hasNext
+    )
+}
+
+fun ContentOverviewItemResponse.toUiModel(): ContentOverviewUiModel = ContentOverviewUiModel(
+    contentId = contentId,
+    title = title,
+    coverImage = coverImage,
+    creatorNickname = creatorNickname,
+    tags = toAudioContentTags(),
+    showAdultBadge = isAdult
+)
+
+private fun ContentOverviewItemResponse.toAudioContentTags(): Set<AudioContentTag> = buildSet {
+    if (isOriginalSeries) add(AudioContentTag.Original)
+    if (isFirstContent) add(AudioContentTag.First)
+    if (isPointAvailable) add(AudioContentTag.Point)
+    if (price == 0) add(AudioContentTag.Free)
+}

app/src/main/java/kr/co/vividnext/sodalive/v2/main/content/overview/model/ContentOverviewUiModels.kt

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+package kr.co.vividnext.sodalive.v2.main.content.overview.model
+
+import androidx.annotation.StringRes
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewType
+import kr.co.vividnext.sodalive.v2.widget.AudioContentTag
+
+data class ContentOverviewUiModel(
+    val contentId: Long,
+    val title: String,
+    val coverImage: String?,
+    val creatorNickname: String,
+    val tags: Set<AudioContentTag>,
+    val showAdultBadge: Boolean
+)
+
+@StringRes
+fun ContentOverviewType.toTitleResId(): Int = when (this) {
+    ContentOverviewType.NEW_AND_HOT_AUDIO -> R.string.content_recommendation_section_new_and_hot
+    ContentOverviewType.FIRST_AUDIO_CONTENT -> R.string.home_recommendation_section_first_audio_contents
+}

app/src/main/java/kr/co/vividnext/sodalive/v2/main/content/overview/model/ContentOverviewUiState.kt

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+package kr.co.vividnext.sodalive.v2.main.content.overview.model
+
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewType
+
+sealed interface ContentOverviewUiState {
+    data class Loading(val type: ContentOverviewType) : ContentOverviewUiState
+    data class Empty(val type: ContentOverviewType, val totalCount: Int) : ContentOverviewUiState
+    data class Error(val type: ContentOverviewType, val message: String?) : ContentOverviewUiState
+    data class Content(
+        val type: ContentOverviewType,
+        val totalCount: Int,
+        val items: List<ContentOverviewUiModel>,
+        val page: Int,
+        val size: Int,
+        val hasNext: Boolean,
+        val isLoadingMore: Boolean = false,
+        val paginationErrorMessage: String? = null
+    ) : ContentOverviewUiState
+}

app/src/test/java/kr/co/vividnext/sodalive/v2/main/content/overview/ContentOverviewMapperTest.kt

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+package kr.co.vividnext.sodalive.v2.main.content.overview
+
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewItemResponse
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewPageResponse
+import kr.co.vividnext.sodalive.v2.main.content.overview.data.ContentOverviewType
+import kr.co.vividnext.sodalive.v2.main.content.overview.model.toContent
+import kr.co.vividnext.sodalive.v2.main.content.overview.model.toTitleResId
+import kr.co.vividnext.sodalive.v2.main.content.overview.model.toUiModel
+import kr.co.vividnext.sodalive.v2.widget.AudioContentTag
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class ContentOverviewMapperTest {
+
+    @Test
+    fun `type title resource maps to overview screen title`() {
+        assertEquals(
+            R.string.content_recommendation_section_new_and_hot,
+            ContentOverviewType.NEW_AND_HOT_AUDIO.toTitleResId()
+        )
+        assertEquals(
+            R.string.home_recommendation_section_first_audio_contents,
+            ContentOverviewType.FIRST_AUDIO_CONTENT.toTitleResId()
+        )
+    }
+
+    @Test
+    fun `audio item maps tags and adult badge`() {
+        val item = item(
+            price = 0,
+            isPointAvailable = true,
+            isFirstContent = true,
+            isOriginalSeries = true,
+            isAdult = true
+        ).toUiModel()
+
+        assertEquals(
+            setOf(
+                AudioContentTag.Original,
+                AudioContentTag.First,
+                AudioContentTag.Point,
+                AudioContentTag.Free
+            ),
+            item.tags
+        )
+        assertTrue(item.showAdultBadge)
+    }
+
+    @Test
+    fun `paid non adult item has no free tag and hides adult badge`() {
+        val item = item(price = 500, isAdult = false).toUiModel()
+
+        assertFalse(item.tags.contains(AudioContentTag.Free))
+        assertFalse(item.showAdultBadge)
+    }
+
+    @Test
+    fun `page response preserves paging metadata and type`() {
+        val content = pageResponse(
+            type = ContentOverviewType.FIRST_AUDIO_CONTENT,
+            page = 2,
+            size = 20,
+            hasNext = true,
+            items = listOf(item(contentId = 7L))
+        ).toContent()
+
+        assertEquals(ContentOverviewType.FIRST_AUDIO_CONTENT, content.type)
+        assertEquals(2, content.page)
+        assertEquals(20, content.size)
+        assertTrue(content.hasNext)
+        assertEquals(listOf(7L), content.items.map { it.contentId })
+    }
+
+    private fun pageResponse(
+        type: ContentOverviewType = ContentOverviewType.NEW_AND_HOT_AUDIO,
+        items: List<ContentOverviewItemResponse> = listOf(item()),
+        page: Int = 0,
+        size: Int = 20,
+        hasNext: Boolean = false
+    ) = ContentOverviewPageResponse(
+        type = type,
+        items = items,
+        page = page,
+        size = size,
+        hasNext = hasNext
+    )
+
+    private fun item(
+        contentId: Long = 1L,
+        title: String = "content",
+        coverImage: String? = "https://example.com/image.png",
+        price: Int = 100,
+        isAdult: Boolean = false,
+        isPointAvailable: Boolean = false,
+        isFirstContent: Boolean = false,
+        isOriginalSeries: Boolean = false,
+        creatorNickname: String = "creator"
+    ) = ContentOverviewItemResponse(
+        contentId = contentId,
+        title = title,
+        coverImage = coverImage,
+        price = price,
+        isAdult = isAdult,
+        isPointAvailable = isPointAvailable,
+        isFirstContent = isFirstContent,
+        isOriginalSeries = isOriginalSeries,
+        creatorNickname = creatorNickname
+    )
+}