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refactor: remove server audio transcription and related fallback logic, retaining only on-device speech-to-text functionality

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This commit is contained in:
cogwheel0
2025-08-25 20:56:33 +05:30
parent fa9fa8dd1b
commit ac21ec6493
4 changed files with 56 additions and 355 deletions
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151
lib/features/chat/views/chat_page.dart
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@@ -7,7 +7,7 @@ import 'package:flutter/services.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'dart:io' show Platform, File;
import 'dart:io' show Platform;
import 'dart:async';
import '../../../core/providers/app_providers.dart';
import '../providers/chat_providers.dart';
@@ -1927,7 +1927,7 @@ class _VoiceInputSheetState extends ConsumerState<_VoiceInputSheet> {
StreamSubscription<String>? _textSub;
int _elapsedSeconds = 0;
Timer? _elapsedTimer;
bool _isTranscribing = false;
// Removed server transcription; keep only on-device listening state
String _languageTag = 'en';
bool _holdToTalk = false;
bool _autoSendFinal = false;
@@ -2005,18 +2005,9 @@ class _VoiceInputSheetState extends ConsumerState<_VoiceInputSheet> {
});
_textSub = stream.listen(
(text) {
// If we receive a special token with recorded audio path, transcribe it via API (fallback)
if (text.startsWith('[[AUDIO_FILE_PATH]]:')) {
final filePath = text.split(':').skip(1).join(':');
debugPrint(
'DEBUG: VoiceInputSheet received audio file path: $filePath',
);
_transcribeRecordedFile(filePath);
} else {
setState(() {
_recognizedText = text;
});
}
setState(() {
_recognizedText = text;
});
},
onDone: () {
debugPrint('DEBUG: VoiceInputSheet stream done');
@@ -2052,44 +2043,7 @@ class _VoiceInputSheetState extends ConsumerState<_VoiceInputSheet> {
}
}
Future<void> _transcribeRecordedFile(String filePath) async {
try {
setState(() => _isTranscribing = true);
final api = ref.read(apiServiceProvider);
if (api == null) throw Exception('API service unavailable');
final file = File(filePath);
final bytes = await file.readAsBytes();
// Try to use device locale; fall back to en-US
String? language;
try {
language = WidgetsBinding.instance.platformDispatcher.locale
.toLanguageTag();
} catch (_) {
language = 'en-US';
}
final text = await api.transcribeAudio(
bytes.toList(),
language: language,
);
debugPrint(
'DEBUG: Transcription received: ${text.isEmpty ? '[empty]' : text}',
);
if (!mounted) return;
setState(() {
_recognizedText = text;
});
// Stop listening state if we have a result
setState(() => _isListening = false);
if (_autoSendFinal && _recognizedText.trim().isNotEmpty) {
_sendText();
}
} catch (e) {
if (!mounted) return;
setState(() => _isListening = false);
} finally {
if (mounted) setState(() => _isTranscribing = false);
}
}
// Server transcription removed; only on-device STT is supported
Future<void> _stopListening() async {
_intensitySub?.cancel();
@@ -2279,9 +2233,7 @@ class _VoiceInputSheetState extends ConsumerState<_VoiceInputSheet> {
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
_isTranscribing
? 'Transcribing…'
: _isListening
_isListening
? (_voiceService.hasLocalStt
? 'Listening…'
: 'Recording…')
@@ -2601,9 +2553,7 @@ class _VoiceInputSheetState extends ConsumerState<_VoiceInputSheet> {
tooltip: AppLocalizations.of(
context,
)!.clear,
onPressed:
_recognizedText.isNotEmpty &&
!_isTranscribing
onPressed: _recognizedText.isNotEmpty
? () {
setState(
() => _recognizedText = '',
@@ -2614,68 +2564,35 @@ class _VoiceInputSheetState extends ConsumerState<_VoiceInputSheet> {
],
),
const SizedBox(height: Spacing.xs),
if (_isTranscribing)
Center(
child: Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
ConduitLoadingIndicator(
size: isUltra
? 14
: (isCompact ? 16 : 18),
isCompact: true,
),
const SizedBox(width: Spacing.xs),
Text(
'Transcribing…',
style: TextStyle(
fontSize: isUltra
? AppTypography.bodySmall
: (isCompact
? AppTypography
.bodyMedium
: AppTypography
.bodyLarge),
color: context
.conduitTheme
.textSecondary,
),
),
],
),
)
else
Flexible(
child: SingleChildScrollView(
child: Text(
_recognizedText.isEmpty
? (_isListening
? (_voiceService.hasLocalStt
? 'Speak now…'
: 'Recording…')
: 'Tap Start to begin')
: _recognizedText,
style: TextStyle(
fontSize: isUltra
? AppTypography.bodySmall
: (isCompact
? AppTypography.bodyMedium
: AppTypography
.bodyLarge),
color: _recognizedText.isEmpty
? context
.conduitTheme
.inputPlaceholder
: context
.conduitTheme
.textPrimary,
height: 1.4,
),
textAlign: TextAlign.center,
Flexible(
child: SingleChildScrollView(
child: Text(
_recognizedText.isEmpty
? (_isListening
? (_voiceService.hasLocalStt
? 'Speak now…'
: 'Recording…')
: 'Tap Start to begin')
: _recognizedText,
style: TextStyle(
fontSize: isUltra
? AppTypography.bodySmall
: (isCompact
? AppTypography.bodyMedium
: AppTypography.bodyLarge),
color: _recognizedText.isEmpty
? context
.conduitTheme
.inputPlaceholder
: context
.conduitTheme
.textPrimary,
height: 1.4,
),
textAlign: TextAlign.center,
),
),
),
],
),
),