[BOOK-490] fix: representativeEmotion nullable로 변경

책만 등록하고 기록을 안 할 경우, 대표 감정은 null로 내려옴

Author: easyhooon

core/data/impl/src/main/kotlin/com/ninecraft/booket/core/data/impl/mapper/ResponseToModel.kt

@@ -214,7 +214,7 @@ internal fun DetailEmotion.toModel(): DetailEmotionModel {
 
 internal fun ReadingRecordsResponse.toModel(): ReadingRecordsModel {
     return ReadingRecordsModel(
-        representativeEmotion = representativeEmotion.toModel(),
+        representativeEmotion = representativeEmotion?.toModel(),
         lastPage = lastPage,
         totalResults = totalResults,
         startIndex = startIndex,

core/model/src/main/kotlin/com/ninecraft/booket/core/model/ReadingRecordsModel.kt

@@ -4,7 +4,7 @@ import androidx.compose.runtime.Immutable
 
 @Immutable
 data class ReadingRecordsModel(
-    val representativeEmotion: PrimaryEmotionModel = PrimaryEmotionModel(),
+    val representativeEmotion: PrimaryEmotionModel? = null,
     val lastPage: Boolean = true,
     val totalResults: Int = 0,
     val startIndex: Int = 0,

core/network/src/main/kotlin/com/ninecraft/booket/core/network/response/ReadingRecordsResponse.kt

@@ -6,7 +6,7 @@ import kotlinx.serialization.Serializable
 @Serializable
 data class ReadingRecordsResponse(
     @SerialName("representativeEmotion")
-    val representativeEmotion: PrimaryEmotion,
+    val representativeEmotion: PrimaryEmotion?,
     @SerialName("lastPage")
     val lastPage: Boolean,
     @SerialName("totalResults")

feature/detail/src/main/kotlin/com/ninecraft/booket/feature/detail/book/BookDetailPresenter.kt

@@ -81,7 +81,7 @@ class BookDetailPresenter(
         var uiState by rememberRetained { mutableStateOf<UiState>(UiState.Idle) }
         var footerState by rememberRetained { mutableStateOf<FooterState>(FooterState.Idle) }
         var bookDetail by rememberRetained { mutableStateOf(BookDetailModel()) }
-        var representativeEmotion by rememberRetained { mutableStateOf(PrimaryEmotionModel()) }
+        var representativeEmotion by rememberRetained { mutableStateOf<PrimaryEmotionModel?>(null) }
         var seedsStates by rememberRetained { mutableStateOf<ImmutableList<EmotionModel>>(persistentListOf()) }
         var isStatsExpanded by rememberRetained { mutableStateOf(false) }
         var readingRecords by rememberRetained { mutableStateOf(persistentListOf<ReadingRecordModel>()) }

feature/detail/src/main/kotlin/com/ninecraft/booket/feature/detail/book/BookDetailUi.kt

@@ -286,7 +286,7 @@ internal fun BookDetailContent(
                     if (state.hasEmotionData()) {
                         CollectedSeeds(
                             seedsStats = state.seedsStats,
-                            representativeEmotion = state.representativeEmotion,
+                            representativeEmotion = state.representativeEmotion!!,
                             isStatsExpanded = state.isStatsExpanded,
                             onToggleClick = {
                                 state.eventSink(BookDetailUiEvent.OnStatsToggleClick(!state.isStatsExpanded))

feature/detail/src/main/kotlin/com/ninecraft/booket/feature/detail/book/BookDetailUiState.kt

@@ -27,7 +27,7 @@ data class BookDetailUiState(
     val footerState: FooterState = FooterState.Idle,
     val isLoading: Boolean = false,
     val bookDetail: BookDetailModel = BookDetailModel(),
-    val representativeEmotion: PrimaryEmotionModel = PrimaryEmotionModel(),
+    val representativeEmotion: PrimaryEmotionModel? = null,
     val seedsStats: ImmutableList<EmotionModel> = persistentListOf(),
     val isStatsExpanded: Boolean = false,
     val readingRecords: ImmutableList<ReadingRecordModel> = persistentListOf(),