feat(content): 랭킹 응답 매핑을 추가한다

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

@@ -0,0 +1,40 @@
+package kr.co.vividnext.sodalive.v2.main.content.model
+
+import kr.co.vividnext.sodalive.v2.main.content.data.AudioRankingItemResponse
+import kr.co.vividnext.sodalive.v2.main.content.data.AudioRankingResponse
+import kr.co.vividnext.sodalive.v2.widget.contentranking.ContentRankingItem
+import kr.co.vividnext.sodalive.v2.widget.ranking.RankingChangeType
+import kr.co.vividnext.sodalive.v2.widget.ranking.RankingChangeType.Decrease
+import kr.co.vividnext.sodalive.v2.widget.ranking.RankingChangeType.Increase
+import kr.co.vividnext.sodalive.v2.widget.ranking.RankingChangeType.New
+import kr.co.vividnext.sodalive.v2.widget.ranking.RankingChangeType.Stay
+import kotlin.math.abs
+
+fun AudioRankingResponse.toContentRankingItems(): List<ContentRankingItem> = items
+    .filter { it.rank >= 1 }
+    .sortedBy { it.rank }
+    .map { it.toContentRankingItem(showRankChange) }
+
+private fun AudioRankingItemResponse.toContentRankingItem(showRankChange: Boolean): ContentRankingItem {
+    val changeType = toRankingChangeType()
+    return ContentRankingItem(
+        contentId = contentId.toString(),
+        creatorId = "",
+        rank = rank,
+        previousRank = null,
+        rankChangeType = changeType,
+        rankChangeAmount = if (changeType == New) 0 else abs(rankChange ?: 0),
+        contentName = title,
+        creatorName = creatorNickname,
+        imageUrl = coverImageUrl.orEmpty(),
+        isBlocked = false,
+        showRankChange = showRankChange
+    )
+}
+
+private fun AudioRankingItemResponse.toRankingChangeType(): RankingChangeType = when {
+    isNew -> New
+    rankChange == null || rankChange == 0 -> Stay
+    rankChange > 0 -> Increase
+    else -> Decrease
+}