feat(creator): 커뮤니티 게시글 UI 모델을 추가한다

app/src/main/java/kr/co/vividnext/sodalive/common/RelativeTimeFormatter.kt

@@ -64,6 +64,17 @@ fun formatUtcRelativeTimeText(context: Context, utcText: String?): String {
     return context.getString(R.string.character_comment_time_years, years)
 }
 
+fun interface UtcRelativeTimeTextFormatter {
+    fun format(utcText: String?): String
+}
+
+class AndroidUtcRelativeTimeTextFormatter(context: Context) : UtcRelativeTimeTextFormatter {
+
+    private val applicationContext = context.applicationContext
+
+    override fun format(utcText: String?): String = formatUtcRelativeTimeText(applicationContext, utcText)
+}
+
 private fun parseServerUtcToMillis(utcText: String?): Long? {
     if (utcText.isNullOrBlank()) return null
 

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/community/CreatorChannelCommunityViewMode.kt

@@ -0,0 +1,4 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.community
+
+typealias CreatorChannelCommunityViewMode =
+    kr.co.vividnext.sodalive.v2.creator.channel.community.model.CreatorChannelCommunityViewMode

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/community/model/CreatorChannelCommunityMappers.kt

@@ -0,0 +1,56 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.community.model
+
+import kr.co.vividnext.sodalive.common.UtcRelativeTimeTextFormatter
+import kr.co.vividnext.sodalive.v2.creator.channel.community.data.CreatorChannelCommunityPostResponse
+
+private const val GRID_PREVIEW_MAX_LENGTH = 24
+
+fun List<CreatorChannelCommunityPostResponse>.toCommunityPostUiModels(
+    relativeTimeTextFormatter: UtcRelativeTimeTextFormatter,
+    isOwner: Boolean,
+    currentUserId: Long
+): List<CreatorChannelCommunityPostUiModel> = map {
+    it.toCommunityPostUiModel(relativeTimeTextFormatter, isOwner, currentUserId)
+}
+
+private fun CreatorChannelCommunityPostResponse.toCommunityPostUiModel(
+    relativeTimeTextFormatter: UtcRelativeTimeTextFormatter,
+    isOwner: Boolean,
+    currentUserId: Long
+): CreatorChannelCommunityPostUiModel {
+    val isLocked = price > 0 && !existOrdered && !isOwner
+    val showOwnerActions = isOwner && creatorId == currentUserId
+    val showPlayButton = !isLocked && !audioUrl.isNullOrBlank() && !imageUrl.isNullOrBlank()
+    return CreatorChannelCommunityPostUiModel(
+        postId = postId,
+        creatorId = creatorId,
+        creatorNickname = creatorNickname,
+        creatorProfileUrl = creatorProfileUrl,
+        createdAtText = relativeTimeTextFormatter.format(createdAtUtc),
+        content = content,
+        imageUrl = imageUrl,
+        audioUrl = audioUrl,
+        price = price,
+        existOrdered = existOrdered,
+        likeCount = likeCount,
+        commentCount = commentCount,
+        showComment = isCommentAvailable,
+        showNotice = isPinned,
+        isLocked = isLocked,
+        showOwnerMore = showOwnerActions,
+        showOwnerTopPrice = showOwnerActions && price > 0,
+        showPlayButton = showPlayButton,
+        gridPreviewText = content.toGridPreviewText(),
+        imageMode = toImageMode(isLocked)
+    )
+}
+
+private fun CreatorChannelCommunityPostResponse.toImageMode(isLocked: Boolean): CreatorChannelCommunityImageMode = when {
+    isLocked -> CreatorChannelCommunityImageMode.LockedGray
+    imageUrl.isNullOrBlank() -> CreatorChannelCommunityImageMode.TextPreview
+    else -> CreatorChannelCommunityImageMode.Image
+}
+
+private fun String.toGridPreviewText(): String = replace("\n", " ")
+    .trim()
+    .take(GRID_PREVIEW_MAX_LENGTH)

app/src/main/java/kr/co/vividnext/sodalive/v2/creator/channel/community/model/CreatorChannelCommunityUiModels.kt

@@ -0,0 +1,48 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.community.model
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import kr.co.vividnext.sodalive.R
+
+enum class CreatorChannelCommunityViewMode(
+    @StringRes val labelResId: Int,
+    @DrawableRes val iconResId: Int
+) {
+    List(
+        labelResId = R.string.creator_channel_community_view_mode_list,
+        iconResId = R.drawable.ic_new_list
+    ),
+    Grid(
+        labelResId = R.string.creator_channel_community_view_mode_grid,
+        iconResId = R.drawable.ic_new_grid
+    )
+}
+
+enum class CreatorChannelCommunityImageMode {
+    Image,
+    TextPreview,
+    LockedGray
+}
+
+data class CreatorChannelCommunityPostUiModel(
+    val postId: Long,
+    val creatorId: Long,
+    val creatorNickname: String,
+    val creatorProfileUrl: String,
+    val createdAtText: String,
+    val content: String,
+    val imageUrl: String?,
+    val audioUrl: String?,
+    val price: Int,
+    val existOrdered: Boolean,
+    val likeCount: Int,
+    val commentCount: Int,
+    val showComment: Boolean,
+    val showNotice: Boolean,
+    val isLocked: Boolean,
+    val showOwnerMore: Boolean,
+    val showOwnerTopPrice: Boolean,
+    val showPlayButton: Boolean,
+    val gridPreviewText: String,
+    val imageMode: CreatorChannelCommunityImageMode
+)

app/src/test/java/kr/co/vividnext/sodalive/v2/creator/channel/community/CreatorChannelCommunityMapperTest.kt

@@ -0,0 +1,166 @@
+package kr.co.vividnext.sodalive.v2.creator.channel.community
+
+import android.app.Application
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.common.AndroidUtcRelativeTimeTextFormatter
+import kr.co.vividnext.sodalive.v2.creator.channel.community.data.CreatorChannelCommunityPostResponse
+import kr.co.vividnext.sodalive.v2.creator.channel.community.model.CreatorChannelCommunityImageMode
+import kr.co.vividnext.sodalive.v2.creator.channel.community.model.CreatorChannelCommunityViewMode
+import kr.co.vividnext.sodalive.v2.creator.channel.community.model.toCommunityPostUiModels
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [28], application = Application::class)
+class CreatorChannelCommunityMapperTest {
+
+    private val context: Context = ApplicationProvider.getApplicationContext()
+    private val relativeTimeTextFormatter = AndroidUtcRelativeTimeTextFormatter(context)
+
+    @Test
+    fun `보기 방식은 label과 icon resource를 가진다`() {
+        assertEquals(R.string.creator_channel_community_view_mode_list, CreatorChannelCommunityViewMode.List.labelResId)
+        assertEquals(R.drawable.ic_new_list, CreatorChannelCommunityViewMode.List.iconResId)
+        assertEquals(R.string.creator_channel_community_view_mode_grid, CreatorChannelCommunityViewMode.Grid.labelResId)
+        assertEquals(R.drawable.ic_new_grid, CreatorChannelCommunityViewMode.Grid.iconResId)
+    }
+
+    @Test
+    fun `게시글 기본 필드와 상대 시간 notice 댓글 표시 상태를 매핑한다`() {
+        val item = listOf(
+            communityPost(
+                creatorProfileUrl = "profile.png",
+                createdAtUtc = System.currentTimeMillis().toString(),
+                isPinned = true,
+                isCommentAvailable = true
+            )
+        ).toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 99L).single()
+
+        assertEquals(1L, item.postId)
+        assertEquals(10L, item.creatorId)
+        assertEquals("creator", item.creatorNickname)
+        assertEquals("profile.png", item.creatorProfileUrl)
+        assertEquals(context.getString(R.string.character_comment_time_just_now), item.createdAtText)
+        assertEquals("hello community", item.content)
+        assertEquals(3, item.likeCount)
+        assertEquals(4, item.commentCount)
+        assertTrue(item.showNotice)
+        assertTrue(item.showComment)
+    }
+
+    @Test
+    fun `댓글 불가 게시글은 댓글 표시 상태가 false다`() {
+        val item = listOf(communityPost(isCommentAvailable = false))
+            .toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 99L)
+            .single()
+
+        assertFalse(item.showComment)
+    }
+
+    @Test
+    fun `유료 미구매 타인 게시글은 잠금 상태이고 play button을 숨긴다`() {
+        val item = listOf(
+            communityPost(price = 100, existOrdered = false, imageUrl = "image.png", audioUrl = "audio.mp3")
+        ).toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 99L).single()
+
+        assertTrue(item.isLocked)
+        assertEquals(CreatorChannelCommunityImageMode.LockedGray, item.imageMode)
+        assertFalse(item.showPlayButton)
+    }
+
+    @Test
+    fun `본인 또는 구매한 사용자는 이미지와 오디오가 있으면 play button을 표시한다`() {
+        val ownerItem = listOf(
+            communityPost(price = 100, existOrdered = false, imageUrl = "image.png", audioUrl = "audio.mp3")
+        ).toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = true, currentUserId = 10L).single()
+        val orderedItem = listOf(
+            communityPost(price = 100, existOrdered = true, imageUrl = "image.png", audioUrl = "audio.mp3")
+        ).toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 99L).single()
+
+        assertFalse(ownerItem.isLocked)
+        assertTrue(ownerItem.showPlayButton)
+        assertFalse(orderedItem.isLocked)
+        assertTrue(orderedItem.showPlayButton)
+    }
+
+    @Test
+    fun `오디오 또는 이미지가 없으면 play button을 숨긴다`() {
+        val items = listOf(
+            communityPost(postId = 1L, imageUrl = null, audioUrl = "audio.mp3"),
+            communityPost(postId = 2L, imageUrl = "image.png", audioUrl = null),
+            communityPost(postId = 3L, imageUrl = "image.png", audioUrl = " ")
+        ).toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 99L)
+
+        assertEquals(listOf(false, false, false), items.map { it.showPlayButton })
+    }
+
+    @Test
+    fun `본인 채널에 본인이 쓴 게시글에서만 owner more와 유료 top price를 표시한다`() {
+        val ownerPaid = listOf(communityPost(price = 100, creatorId = 10L))
+            .toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = true, currentUserId = 10L)
+            .single()
+        val ownerFree = listOf(communityPost(price = 0, creatorId = 10L))
+            .toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = true, currentUserId = 10L)
+            .single()
+        val otherCreator = listOf(communityPost(price = 100, creatorId = 11L))
+            .toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = true, currentUserId = 10L)
+            .single()
+        val otherChannel = listOf(communityPost(price = 100, creatorId = 10L))
+            .toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 10L)
+            .single()
+
+        assertTrue(ownerPaid.showOwnerMore)
+        assertTrue(ownerPaid.showOwnerTopPrice)
+        assertTrue(ownerFree.showOwnerMore)
+        assertFalse(ownerFree.showOwnerTopPrice)
+        assertFalse(otherCreator.showOwnerMore)
+        assertFalse(otherCreator.showOwnerTopPrice)
+        assertFalse(otherChannel.showOwnerMore)
+        assertFalse(otherChannel.showOwnerTopPrice)
+    }
+
+    @Test
+    fun `grid text-only preview는 줄바꿈을 공백으로 바꾸고 trim 후 24자까지만 사용한다`() {
+        val item = listOf(communityPost(content = "\n123456789012345678901234567890\n"))
+            .toCommunityPostUiModels(relativeTimeTextFormatter, isOwner = false, currentUserId = 99L)
+            .single()
+
+        assertEquals("123456789012345678901234", item.gridPreviewText)
+    }
+
+    private fun communityPost(
+        postId: Long = 1L,
+        creatorId: Long = 10L,
+        creatorProfileUrl: String = "profile.png",
+        createdAtUtc: String = "2026-06-21T00:00:00Z",
+        content: String = "hello community",
+        imageUrl: String? = null,
+        audioUrl: String? = null,
+        price: Int = 0,
+        existOrdered: Boolean = true,
+        isCommentAvailable: Boolean = true,
+        isPinned: Boolean = false
+    ) = CreatorChannelCommunityPostResponse(
+        postId = postId,
+        creatorId = creatorId,
+        creatorNickname = "creator",
+        creatorProfileUrl = creatorProfileUrl,
+        createdAtUtc = createdAtUtc,
+        content = content,
+        imageUrl = imageUrl,
+        audioUrl = audioUrl,
+        price = price,
+        existOrdered = existOrdered,
+        isCommentAvailable = isCommentAvailable,
+        likeCount = 3,
+        commentCount = 4,
+        isPinned = isPinned
+    )
+}