Multi-lang STT service with users primary language (#2149)

#1892

Author: beastoin

app/android/settings.gradle

@@ -22,9 +22,9 @@ plugins {
     // START: FlutterFire Configuration
     id "com.google.gms.google-services" version "4.3.15" apply false
     // END: FlutterFire Configuration
-    id "org.jetbrains.kotlin.android" version "1.9.21" apply false
+    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
 
 
 }
 
-include ":app"
+include ":app"

app/lib/backend/http/api/transcribe.dart

@@ -280,3 +280,39 @@ Future<bool> getHasConversationSummaryRating(String conversationId) async {
     return false;
   }
 }
+
+// User language preference API calls
+Future<String?> getUserPrimaryLanguage() async {
+  var response = await makeApiCall(
+    url: '${Env.apiBaseUrl}v1/users/language',
+    headers: {},
+    method: 'GET',
+    body: '',
+  );
+  if (response == null) return null;
+  debugPrint('getUserPrimaryLanguage response: ${response.body}');
+
+  try {
+    var jsonResponse = jsonDecode(response.body);
+    // Return null if language is null or empty
+    if (jsonResponse['language'] == null || jsonResponse['language'] == '') {
+      return null;
+    }
+    return jsonResponse['language'] as String?;
+  } catch (e) {
+    debugPrint('Error parsing getUserPrimaryLanguage response: $e');
+    return null;
+  }
+}
+
+Future<bool> setUserPrimaryLanguage(String languageCode) async {
+  var response = await makeApiCall(
+    url: '${Env.apiBaseUrl}v1/users/language',
+    headers: {},
+    method: 'PATCH',
+    body: jsonEncode({'language': languageCode}),
+  );
+  if (response == null) return false;
+  debugPrint('setUserPrimaryLanguage response: ${response.body}');
+  return response.statusCode == 200;
+}

app/lib/backend/http/api/users.dart

@@ -157,10 +157,6 @@ class SharedPreferencesUtil {
 
   set showFirmwareUpdateDialog(bool value) => saveBool('v2/showFirmwareUpdateDialog', value);
 
-  String get recordingsLanguage => getString('recordingsLanguage2') ?? 'auto';
-
-  set recordingsLanguage(String value) => saveString('recordingsLanguage2', value);
-
   String get transcriptionModel => getString('transcriptionModel3') ?? 'soniox';
 
   set transcriptionModel(String value) => saveString('transcriptionModel3', value);
@@ -197,6 +193,15 @@ class SharedPreferencesUtil {
 
   set showDiscardedMemories(bool value) => saveBool('showDiscardedMemories', value);
 
+  // User primary language preferences
+  String get userPrimaryLanguage => getString('userPrimaryLanguage') ?? '';
+
+  set userPrimaryLanguage(String value) => saveString('userPrimaryLanguage', value);
+
+  bool get hasSetPrimaryLanguage => getBool('hasSetPrimaryLanguage') ?? false;
+
+  set hasSetPrimaryLanguage(bool value) => saveBool('hasSetPrimaryLanguage', value);
+
   int get currentStorageBytes => getInt('currentStorageBytes') ?? 0;
 
   set currentStorageBytes(int value) => saveInt('currentStorageBytes', value);
@@ -456,6 +461,12 @@ class SharedPreferencesUtil {
     await remove('calendarId');
     await remove('calendarType2');
 
+    // User Primary language
+    await remove('userPrimaryLanguage');
+    await remove('hasSetPrimaryLanguage');
+
+    await remove('onboardingCompleted');
+
     // Keep settings like language, analytics opt-in, etc.
     // as these are user preferences that should persist across logins
   }

app/lib/backend/preferences.dart

@@ -339,6 +339,7 @@ class _DeciderWidgetState extends State<DeciderWidget> {
 
       if (context.read<AuthenticationProvider>().isSignedIn()) {
         context.read<HomeProvider>().setupHasSpeakerProfile();
+        context.read<HomeProvider>().setupUserPrimaryLanguage();
         try {
           await IntercomManager.instance.intercom.loginIdentifiedUser(
             userId: SharedPreferencesUtil().uid,

app/lib/main.dart

@@ -157,7 +157,7 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver, Ticker
   @override
   void initState() {
     SharedPreferencesUtil().onboardingCompleted = true;
-
+    
     // Navigate uri
     Uri? navigateToUri;
     var pageAlias = "home";

app/lib/pages/home/page.dart

@@ -113,7 +113,7 @@ class SpeechLanguageSheet extends StatelessWidget {
             ),
             const SizedBox(width: 4),
             Text(
-              SharedPreferencesUtil().recordingsLanguage.toUpperCase(),
+              SharedPreferencesUtil().userPrimaryLanguage.toUpperCase(),
               style: const TextStyle(color: Colors.white, fontSize: 14, fontWeight: FontWeight.bold),
             ),
           ],

app/lib/pages/home/widgets/speech_language_sheet.dart

@@ -3,6 +3,8 @@ import 'package:omi/backend/auth.dart';
 import 'package:omi/backend/preferences.dart';
 import 'package:gradient_borders/gradient_borders.dart';
 import 'package:intercom_flutter/intercom_flutter.dart';
+import 'package:omi/providers/home_provider.dart';
+import 'package:provider/provider.dart';
 
 class NameWidget extends StatefulWidget {
   final Function goNext;
@@ -24,6 +26,7 @@ class _NameWidgetState extends State<NameWidget> {
     super.initState();
   }
 
+
   @override
   Widget build(BuildContext context) {
     return Padding(