InfoScreen 체크박스 상태 저장

app/src/main/java/com/laseroptek/raman/data/source/preference/Preference.kt

@@ -88,4 +88,7 @@ interface Preference {
     suspend fun getPowerSupplySerialListFromPreference(): Flow<List<String>>
     /////
 
-}
+    suspend fun saveInfoChartLineStates(states: Map<String, Boolean>)
+    suspend fun getInfoChartLineStates(): Flow<Map<String, Boolean>>
+
+}

app/src/main/java/com/laseroptek/raman/repository/PreferenceRepository.kt

@@ -68,6 +68,9 @@ class PreferenceRepository(private val context: Context) : Preference {
         val PRODUCT_SERIAL = stringPreferencesKey("PRODUCT_SERIAL")
         val LASER_HAND_SERIAL = stringPreferencesKey("LASER_HAND_SERIAL")
         val POWER_SUPPLY_SERIAL = stringPreferencesKey("POWER_SUPPLY_SERIAL")
+
+        // InfoScreen Chart Checkboxes
+        val INFO_CHART_LINE_STATES = stringPreferencesKey("INFO_CHART_LINE_STATES")
     }
 
     override suspend fun clearAllPreferences() {
@@ -559,4 +562,31 @@ class PreferenceRepository(private val context: Context) : Preference {
             emit(listOf("B", "U", "O", "C", "L", "D"))
         }
     }
-}
+
+    override suspend fun saveInfoChartLineStates(states: Map<String, Boolean>) {
+        try {
+            val stateJson = gson.toJson(states)
+            context.datastore.edit { preferences ->
+                preferences[INFO_CHART_LINE_STATES] = stateJson
+            }
+        } catch (e: Exception) {
+            Timber.e(e, "Failed to serialize INFO_CHART_LINE_STATES to JSON.")
+        }
+    }
+
+    override suspend fun getInfoChartLineStates(): Flow<Map<String, Boolean>> {
+        return context.datastore.data.map { preferences ->
+            preferences[INFO_CHART_LINE_STATES]
+        }.distinctUntilChanged().map { jsonString ->
+            if (!jsonString.isNullOrBlank()) {
+                val type = object : TypeToken<Map<String, Boolean>>() {}.type
+                gson.fromJson<Map<String, Boolean>>(jsonString, type) ?: emptyMap()
+            } else {
+                emptyMap()
+            }
+        }.catch { e ->
+            Timber.e(e, "Failed to get or parse INFO_CHART_LINE_STATES. Emitting default.")
+            emit(emptyMap())
+        }
+    }
+}

app/src/main/java/com/laseroptek/raman/ui/screens/info/InfoViewModel.kt

@@ -1,10 +1,14 @@
 package com.laseroptek.raman.ui.screens.info
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
+import com.laseroptek.raman.repository.PreferenceRepository
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -25,10 +29,13 @@ data class ChartUiState(
     val chamber2State: Boolean = true,
     val basePlateState: Boolean = true,
     val waterState: Boolean = true,
-)
+) {
+    companion object
+}
 
 @HiltViewModel
 class InfoViewModel @Inject constructor(
+    private val preferenceRepository: PreferenceRepository,
 ) : ViewModel() {
 
     // This is the single source of truth for the checkbox states.
@@ -39,7 +46,7 @@ class InfoViewModel @Inject constructor(
     fun toggleLine(line: ChartLine) {
         // .update is a thread-safe way to update the state.
         _chartUiState.update { currentState ->
-            when (line) {
+            val updatedState = when (line) {
                 ChartLine.INT_TEMP -> currentState.copy(intTempState = !currentState.intTempState)
                 ChartLine.EXT_TEMP -> currentState.copy(extTempState = !currentState.extTempState)
                 ChartLine.INT_HUMIDITY -> currentState.copy(intHumidityState = !currentState.intHumidityState)
@@ -50,10 +57,51 @@ class InfoViewModel @Inject constructor(
                 ChartLine.BASE_PLATE -> currentState.copy(basePlateState = !currentState.basePlateState)
                 ChartLine.WATER -> currentState.copy(waterState = !currentState.waterState)
             }
+            persistChartUiState(updatedState)
+            updatedState
         }
     }
 
     init {
         Timber.d("InfoViewModel init")
+        viewModelScope.launch {
+            preferenceRepository.getInfoChartLineStates().collectLatest { savedStates ->
+                if (savedStates.isEmpty()) return@collectLatest
+                _chartUiState.update { ChartUiState.fromPreference(savedStates) }
+            }
+        }
     }
-}
+
+    private fun persistChartUiState(state: ChartUiState) {
+        viewModelScope.launch {
+            preferenceRepository.saveInfoChartLineStates(state.toPreferenceMap())
+        }
+    }
+}
+
+private fun ChartUiState.toPreferenceMap(): Map<String, Boolean> = mapOf(
+    ChartLine.INT_TEMP.name to intTempState,
+    ChartLine.EXT_TEMP.name to extTempState,
+    ChartLine.INT_HUMIDITY.name to intHumidityState,
+    ChartLine.EXT_HUMIDITY.name to extHumidityState,
+    ChartLine.KTP.name to ktpState,
+    ChartLine.CHAMBER1.name to chamber1State,
+    ChartLine.CHAMBER2.name to chamber2State,
+    ChartLine.BASE_PLATE.name to basePlateState,
+    ChartLine.WATER.name to waterState,
+)
+
+private fun ChartUiState.Companion.fromPreference(savedStates: Map<String, Boolean>): ChartUiState {
+    val defaults = ChartUiState()
+    return ChartUiState(
+        intTempState = savedStates[ChartLine.INT_TEMP.name] ?: defaults.intTempState,
+        extTempState = savedStates[ChartLine.EXT_TEMP.name] ?: defaults.extTempState,
+        intHumidityState = savedStates[ChartLine.INT_HUMIDITY.name] ?: defaults.intHumidityState,
+        extHumidityState = savedStates[ChartLine.EXT_HUMIDITY.name] ?: defaults.extHumidityState,
+        ktpState = savedStates[ChartLine.KTP.name] ?: defaults.ktpState,
+        chamber1State = savedStates[ChartLine.CHAMBER1.name] ?: defaults.chamber1State,
+        chamber2State = savedStates[ChartLine.CHAMBER2.name] ?: defaults.chamber2State,
+        basePlateState = savedStates[ChartLine.BASE_PLATE.name] ?: defaults.basePlateState,
+        waterState = savedStates[ChartLine.WATER.name] ?: defaults.waterState,
+    )
+}