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feat(cache): Add lightweight in-memory cache with TTL and LRU eviction

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This commit is contained in:
cogwheel0
2025-11-22 21:53:14 +05:30
parent 8ed75f8f14
commit c4a36bb51c
14 changed files with 1298 additions and 242 deletions
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110
lib/core/services/settings_service.dart
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@@ -1,7 +1,10 @@
import 'dart:developer' as developer;
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:hive_ce/hive.dart';
import '../persistence/hive_bootstrap.dart';
import '../persistence/hive_boxes.dart';
import '../persistence/persistence_keys.dart';
import 'animation_service.dart';
@@ -126,47 +129,7 @@ class SettingsService {
/// Load all settings
static Future<AppSettings> loadSettings() {
final box = _preferencesBox();
return Future.value(
AppSettings(
reduceMotion: (box.get(_reduceMotionKey) as bool?) ?? false,
animationSpeed:
(box.get(_animationSpeedKey) as num?)?.toDouble() ?? 1.0,
hapticFeedback: (box.get(_hapticFeedbackKey) as bool?) ?? true,
highContrast: (box.get(_highContrastKey) as bool?) ?? false,
largeText: (box.get(_largeTextKey) as bool?) ?? false,
darkMode: (box.get(_darkModeKey) as bool?) ?? true,
defaultModel: box.get(_defaultModelKey) as String?,
voiceLocaleId: box.get(_voiceLocaleKey) as String?,
voiceHoldToTalk: (box.get(_voiceHoldToTalkKey) as bool?) ?? false,
voiceAutoSendFinal: (box.get(_voiceAutoSendKey) as bool?) ?? false,
socketTransportMode:
box.get(_socketTransportModeKey, defaultValue: 'ws') as String,
quickPills: List<String>.from(
(box.get(_quickPillsKey) as List<dynamic>?) ?? const <String>[],
),
sendOnEnter: (box.get(_sendOnEnterKey) as bool?) ?? false,
ttsVoice: box.get(PreferenceKeys.ttsVoice) as String?,
ttsSpeechRate:
(box.get(PreferenceKeys.ttsSpeechRate) as num?)?.toDouble() ?? 0.5,
ttsPitch: (box.get(PreferenceKeys.ttsPitch) as num?)?.toDouble() ?? 1.0,
ttsVolume:
(box.get(PreferenceKeys.ttsVolume) as num?)?.toDouble() ?? 1.0,
ttsEngine: _parseTtsEngine(
box.get(PreferenceKeys.ttsEngine) as String?,
),
ttsServerVoiceId: box.get(PreferenceKeys.ttsServerVoiceId) as String?,
ttsServerVoiceName:
box.get(PreferenceKeys.ttsServerVoiceName) as String?,
sttPreference: _parseSttPreference(
box.get(PreferenceKeys.voiceSttPreference) as String?,
),
voiceSilenceDuration:
(box.get(_voiceSilenceDurationKey) as int? ?? 2000).clamp(
300,
3000,
),
),
);
return Future.value(_loadSettingsSync(box));
}
/// Save all settings
@@ -379,6 +342,40 @@ class SettingsService {
// Ensure reasonable bounds
return baseScale.clamp(0.8, 3.0);
}
static AppSettings _loadSettingsSync(Box<dynamic> box) {
return AppSettings(
reduceMotion: (box.get(_reduceMotionKey) as bool?) ?? false,
animationSpeed: (box.get(_animationSpeedKey) as num?)?.toDouble() ?? 1.0,
hapticFeedback: (box.get(_hapticFeedbackKey) as bool?) ?? true,
highContrast: (box.get(_highContrastKey) as bool?) ?? false,
largeText: (box.get(_largeTextKey) as bool?) ?? false,
darkMode: (box.get(_darkModeKey) as bool?) ?? true,
defaultModel: box.get(_defaultModelKey) as String?,
voiceLocaleId: box.get(_voiceLocaleKey) as String?,
voiceHoldToTalk: (box.get(_voiceHoldToTalkKey) as bool?) ?? false,
voiceAutoSendFinal: (box.get(_voiceAutoSendKey) as bool?) ?? false,
socketTransportMode:
box.get(_socketTransportModeKey, defaultValue: 'ws') as String,
quickPills: List<String>.from(
(box.get(_quickPillsKey) as List<dynamic>?) ?? const <String>[],
),
sendOnEnter: (box.get(_sendOnEnterKey) as bool?) ?? false,
ttsVoice: box.get(PreferenceKeys.ttsVoice) as String?,
ttsSpeechRate:
(box.get(PreferenceKeys.ttsSpeechRate) as num?)?.toDouble() ?? 0.5,
ttsPitch: (box.get(PreferenceKeys.ttsPitch) as num?)?.toDouble() ?? 1.0,
ttsVolume: (box.get(PreferenceKeys.ttsVolume) as num?)?.toDouble() ?? 1.0,
ttsEngine: _parseTtsEngine(box.get(PreferenceKeys.ttsEngine) as String?),
ttsServerVoiceId: box.get(PreferenceKeys.ttsServerVoiceId) as String?,
ttsServerVoiceName: box.get(PreferenceKeys.ttsServerVoiceName) as String?,
sttPreference: _parseSttPreference(
box.get(PreferenceKeys.voiceSttPreference) as String?,
),
voiceSilenceDuration: (box.get(_voiceSilenceDurationKey) as int? ?? 2000)
.clamp(300, 3000),
);
}
}
/// Sentinel class to detect when defaultModel parameter is not provided
@@ -562,23 +559,36 @@ bool _listEquals(List<String> a, List<String> b) {
/// Provider for app settings
@Riverpod(keepAlive: true)
class AppSettingsNotifier extends _$AppSettingsNotifier {
bool _initialized = false;
Future<void>? _pendingLoad;
@override
AppSettings build() {
if (!_initialized) {
_initialized = true;
Future.microtask(_loadSettings);
if (Hive.isBoxOpen(HiveBoxNames.preferences)) {
final box = Hive.box<dynamic>(HiveBoxNames.preferences);
return SettingsService._loadSettingsSync(box);
}
_pendingLoad ??= _hydrateFromHive();
return const AppSettings();
}
Future<void> _loadSettings() async {
final settings = await SettingsService.loadSettings();
if (!ref.mounted) {
return;
Future<void> _hydrateFromHive() async {
try {
await HiveBootstrap.instance.ensureInitialized();
if (!ref.mounted) return;
final box = Hive.box<dynamic>(HiveBoxNames.preferences);
state = SettingsService._loadSettingsSync(box);
} catch (error, stackTrace) {
developer.log(
'Failed to hydrate settings',
name: 'AppSettingsNotifier',
level: 1000,
error: error,
stackTrace: stackTrace,
);
} finally {
_pendingLoad = null;
}
state = settings;
}
Future<void> setReduceMotion(bool value) async {