Fix: EmotionRepository 내 중복 호출 방지 및 HomeViewModel 초기화 로직 수정

Author: wjdrjs00

data/src/main/java/com/threegap/bitnagil/data/emotion/repositoryImpl/EmotionRepositoryImpl.kt

@@ -10,12 +10,14 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.onSubscription
 import java.time.LocalDate
+import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
 
 class EmotionRepositoryImpl @Inject constructor(
     private val emotionDataSource: EmotionDataSource,
 ) : EmotionRepository {
 
+    private val isFetching = AtomicBoolean(false)
     private val _dailyEmotionFlow = MutableStateFlow(DailyEmotion.INIT)
     override val dailyEmotionFlow: Flow<DailyEmotion> = _dailyEmotionFlow
         .onSubscription {
@@ -39,9 +41,14 @@ class EmotionRepositoryImpl @Inject constructor(
     }
 
     override suspend fun fetchDailyEmotion(): Result<Unit> {
-        val currentDate = LocalDate.now().toString()
-        return emotionDataSource.fetchDailyEmotion(currentDate).map {
-            _dailyEmotionFlow.value = it.toDomain()
+        if (!isFetching.compareAndSet(false, true)) return Result.success(Unit)
+        return try {
+            val currentDate = LocalDate.now().toString()
+            emotionDataSource.fetchDailyEmotion(currentDate).map {
+                _dailyEmotionFlow.value = it.toDomain()
+            }
+        } finally {
+            isFetching.set(false)
         }
     }
 }

presentation/src/main/java/com/threegap/bitnagil/presentation/screen/home/HomeViewModel.kt

@@ -42,7 +42,11 @@ class HomeViewModel @Inject constructor(
     private val toggleRoutineUseCase: ToggleRoutineUseCase,
 ) : ContainerHost<HomeState, HomeSideEffect>, ViewModel() {
 
-    override val container: Container<HomeState, HomeSideEffect> = container(initialState = HomeState.INIT)
+    override val container: Container<HomeState, HomeSideEffect> =
+        container(
+            initialState = HomeState.INIT,
+            buildSettings = { repeatOnSubscribedStopTimeout = 5_000L },
+        )
 
     private val pendingChangesByDate = mutableMapOf<String, MutableMap<String, RoutineCompletionInfo>>()
     private val routineSyncTrigger = MutableSharedFlow<String>(extraBufferCapacity = 64)