Refactor: RoutineLocalDataSource 추가 및 DI 연결

Author: wjdrjs00

app/src/main/java/com/threegap/bitnagil/di/data/DataSourceModule.kt

@@ -20,7 +20,9 @@ import com.threegap.bitnagil.data.recommendroutine.datasource.RecommendRoutineDa
 import com.threegap.bitnagil.data.recommendroutine.datasourceImpl.RecommendRoutineDataSourceImpl
 import com.threegap.bitnagil.data.report.datasource.ReportDataSource
 import com.threegap.bitnagil.data.report.datasourceImpl.ReportDataSourceImpl
+import com.threegap.bitnagil.data.routine.datasource.RoutineLocalDataSource
 import com.threegap.bitnagil.data.routine.datasource.RoutineRemoteDataSource
+import com.threegap.bitnagil.data.routine.datasourceImpl.RoutineLocalDataSourceImpl
 import com.threegap.bitnagil.data.routine.datasourceImpl.RoutineRemoteDataSourceImpl
 import com.threegap.bitnagil.data.user.datasource.UserLocalDataSource
 import com.threegap.bitnagil.data.user.datasource.UserRemoteDataSource
@@ -52,7 +54,11 @@ abstract class DataSourceModule {
 
     @Binds
     @Singleton
-    abstract fun bindRoutineDataSource(routineDataSourceImpl: RoutineRemoteDataSourceImpl): RoutineRemoteDataSource
+    abstract fun bindRoutineRemoteDataSource(routineDataSourceImpl: RoutineRemoteDataSourceImpl): RoutineRemoteDataSource
+
+    @Binds
+    @Singleton
+    abstract fun bindRoutineLocalDataSource(impl: RoutineLocalDataSourceImpl): RoutineLocalDataSource
 
     @Binds
     @Singleton

data/src/main/java/com/threegap/bitnagil/data/routine/datasource/RoutineLocalDataSource.kt

@@ -0,0 +1,14 @@
+package com.threegap.bitnagil.data.routine.datasource
+
+import com.threegap.bitnagil.domain.routine.model.RoutineCompletionInfo
+import com.threegap.bitnagil.domain.routine.model.RoutineSchedule
+import kotlinx.coroutines.flow.StateFlow
+
+interface RoutineLocalDataSource {
+    val routineSchedule: StateFlow<RoutineSchedule?>
+    val lastFetchRange: Pair<String, String>?
+    fun saveSchedule(schedule: RoutineSchedule, startDate: String, endDate: String)
+    fun getCompletionInfo(dateKey: String, routineId: String): RoutineCompletionInfo?
+    fun applyOptimisticToggle(dateKey: String, routineId: String, completionInfo: RoutineCompletionInfo)
+    fun clearCache()
+}

data/src/main/java/com/threegap/bitnagil/data/routine/datasourceImpl/RoutineLocalDataSourceImpl.kt

@@ -0,0 +1,57 @@
+package com.threegap.bitnagil.data.routine.datasourceImpl
+
+import com.threegap.bitnagil.data.routine.datasource.RoutineLocalDataSource
+import com.threegap.bitnagil.domain.routine.model.RoutineCompletionInfo
+import com.threegap.bitnagil.domain.routine.model.RoutineSchedule
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import javax.inject.Inject
+
+class RoutineLocalDataSourceImpl @Inject constructor() : RoutineLocalDataSource {
+    private val _routineSchedule = MutableStateFlow<RoutineSchedule?>(null)
+    override val routineSchedule: StateFlow<RoutineSchedule?> = _routineSchedule.asStateFlow()
+
+    override var lastFetchRange: Pair<String, String>? = null
+        private set
+
+    override fun saveSchedule(schedule: RoutineSchedule, startDate: String, endDate: String) {
+        lastFetchRange = startDate to endDate
+        _routineSchedule.update { schedule }
+    }
+
+    override fun getCompletionInfo(dateKey: String, routineId: String): RoutineCompletionInfo? {
+        val routine = _routineSchedule.value?.dailyRoutines?.get(dateKey)?.routines?.find { it.id == routineId }
+        return routine?.let { RoutineCompletionInfo(routineId, it.isCompleted, it.subRoutineCompletionStates) }
+    }
+
+    override fun applyOptimisticToggle(dateKey: String, routineId: String, completionInfo: RoutineCompletionInfo) {
+        _routineSchedule.update { current ->
+            current ?: return@update current
+            val dailyRoutines = current.dailyRoutines[dateKey] ?: return@update current
+            val updatedRoutines = dailyRoutines.routines.map { routine ->
+                if (routine.id == routineId) {
+                    routine.copy(
+                        isCompleted = completionInfo.routineCompleteYn,
+                        subRoutineCompletionStates = completionInfo.subRoutineCompleteYn,
+                    )
+                } else {
+                    routine
+                }
+            }
+            val updatedDailyRoutines = dailyRoutines.copy(
+                routines = updatedRoutines,
+                isAllCompleted = updatedRoutines.all { it.isCompleted },
+            )
+
+            current.copy(
+                dailyRoutines = current.dailyRoutines + (dateKey to updatedDailyRoutines),
+            )
+        }
+    }
+
+    override fun clearCache() {
+        _routineSchedule.update { null }
+    }
+}