#7 - Add DataStoreRepository to Data

data/src/main/java/com/io1/data/datastore/DataStoreRepository.kt

@@ -0,0 +1,46 @@
+package com.io1.data.datastore
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.emptyPreferences
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.map
+import java.io.IOException
+
+val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "on_boarding_pref")
+
+
+class DataStoreRepository(context: Context) {
+
+    private object PreferencesKey {
+        val onBoardingKey = booleanPreferencesKey(name = "on_boarding_completed")
+    }
+
+    private val dataStore = context.dataStore
+
+    suspend fun saveOnBoardingState(completed: Boolean) {
+        dataStore.edit { preferences ->
+            preferences[PreferencesKey.onBoardingKey] = completed
+        }
+    }
+
+    fun readOnBoardingState(): Flow<Boolean> {
+        return dataStore.data
+            .catch { exception ->
+                if (exception is IOException) {
+                    emit(emptyPreferences())
+                } else {
+                    throw exception
+                }
+            }
+            .map { preferences ->
+                val onBoardingState = preferences[PreferencesKey.onBoardingKey] ?: false
+                onBoardingState
+            }
+    }
+}