Initial commit: rosetta-android-prime

app/src/main/java/com/rosetta/messenger/data/PreferencesManager.kt

@@ -0,0 +1,42 @@
+package com.rosetta.messenger.data
+
+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.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "rosetta_preferences")
+
+class PreferencesManager(private val context: Context) {
+    
+    companion object {
+        val HAS_SEEN_ONBOARDING = booleanPreferencesKey("has_seen_onboarding")
+        val IS_DARK_THEME = booleanPreferencesKey("is_dark_theme")
+    }
+    
+    val hasSeenOnboarding: Flow<Boolean> = context.dataStore.data
+        .map { preferences ->
+            preferences[HAS_SEEN_ONBOARDING] ?: false
+        }
+    
+    val isDarkTheme: Flow<Boolean> = context.dataStore.data
+        .map { preferences ->
+            preferences[IS_DARK_THEME] ?: true // Default to dark theme like Telegram
+        }
+    
+    suspend fun setHasSeenOnboarding(value: Boolean) {
+        context.dataStore.edit { preferences ->
+            preferences[HAS_SEEN_ONBOARDING] = value
+        }
+    }
+    
+    suspend fun setDarkTheme(value: Boolean) {
+        context.dataStore.edit { preferences ->
+            preferences[IS_DARK_THEME] = value
+        }
+    }
+}