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kolo
2026-03-20 10:32:36 +03:00
parent 99d985ca45
commit 047d5bdf36
17 changed files with 982 additions and 246 deletions
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lib/features/settings/provider.dart
+116
View File
@@ -1,4 +1,10 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:path_provider/path_provider.dart';
import 'package:intl/intl.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../../shared/services/exchange_rate_service.dart';
import '../dashboard/provider.dart';
final budgetProvider = StateNotifierProvider<BudgetNotifier, double?>((ref) {
@@ -16,3 +22,113 @@ class BudgetNotifier extends StateNotifier<double?> {
state = budget;
}
}
// Currency info: symbol and code
class CurrencyInfo {
final String symbol;
final String code;
const CurrencyInfo(this.symbol, this.code);
}
const Map<String, CurrencyInfo> currencyMap = {
'USD': CurrencyInfo('\$', 'USD'),
'EUR': CurrencyInfo('€', 'EUR'),
'BYN': CurrencyInfo('Br', 'BYN'),
'RUB': CurrencyInfo('₽', 'RUB'),
};
class CurrencyNotifier extends StateNotifier<CurrencyInfo> {
CurrencyNotifier() : super(currencyMap['USD']!) {
_load();
}
void _load() async {
final prefs = await SharedPreferences.getInstance();
final code = prefs.getString('currency_code') ?? 'USD';
state = currencyMap[code] ?? currencyMap['USD']!;
}
Future<void> setCurrency(String code) async {
final prefs = await SharedPreferences.getInstance();
state = currencyMap[code] ?? currencyMap['USD']!;
await prefs.setString('currency_code', code);
}
}
final currencyProvider = StateNotifierProvider<CurrencyNotifier, CurrencyInfo>(
(ref) => CurrencyNotifier(),
);
class ThemeModeNotifier extends StateNotifier<ThemeMode> {
ThemeModeNotifier() : super(ThemeMode.dark) {
_load();
}
void _load() async {
final prefs = await SharedPreferences.getInstance();
state = (prefs.getBool('dark_mode') ?? true) ? ThemeMode.dark : ThemeMode.light;
}
Future<void> toggle() async {
final prefs = await SharedPreferences.getInstance();
state = state == ThemeMode.dark ? ThemeMode.light : ThemeMode.dark;
await prefs.setBool('dark_mode', state == ThemeMode.dark);
}
Future<void> setThemeMode(bool isDark) async {
final prefs = await SharedPreferences.getInstance();
state = isDark ? ThemeMode.dark : ThemeMode.light;
await prefs.setBool('dark_mode', isDark);
}
}
final themeProvider = StateNotifierProvider<ThemeModeNotifier, ThemeMode>(
(ref) => ThemeModeNotifier(),
);
// Exchange rate service
final exchangeRateServiceProvider = Provider<ExchangeRateService>((ref) {
final prefs = ref.watch(sharedPreferencesProvider);
return ExchangeRateService(prefs);
});
final ratesInitProvider = FutureProvider<void>((ref) async {
await ref.read(exchangeRateServiceProvider).fetchRates();
});
final exportProvider = Provider<ExportService>((ref) {
return ExportService(ref);
});
class ExportService {
final Ref _ref;
ExportService(this._ref);
Future<String> exportToCSV() async {
final transactions = _ref.read(transactionsProvider);
final currency = _ref.read(currencyProvider);
// CSV header
final buffer = StringBuffer();
buffer.writeln('Date,Type,Category,Amount,Currency,Note');
// CSV rows
for (final tx in transactions) {
final date = DateFormat('yyyy-MM-dd').format(tx.date);
final type = tx.type.name;
final category = tx.category;
final amount = '${tx.currency}${tx.amount.toStringAsFixed(2)}';
final note = tx.note?.replaceAll(',', ';') ?? '';
buffer.writeln('$date,$type,$category,$amount,${tx.currencyCode},$note');
}
// Save to Downloads
final directory = await getApplicationDocumentsDirectory();
final timestamp = DateFormat('yyyyMMdd_HHmmss').format(DateTime.now());
final file = File('${directory.path}/transactions_$timestamp.csv');
await file.writeAsString(buffer.toString());
return file.path;
}
}
lib/features/settings/screen.dart
+181 -10
View File
@@ -1,12 +1,11 @@
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:intl/intl.dart';
import '../../core/constants.dart';
import 'provider.dart';
final _currencyFmt = NumberFormat.currency(symbol: '\$', decimalDigits: 2);
class SettingsScreen extends ConsumerStatefulWidget {
const SettingsScreen({super.key});
@@ -17,10 +16,13 @@ class SettingsScreen extends ConsumerStatefulWidget {
class _SettingsScreenState extends ConsumerState<SettingsScreen> {
final _budgetController = TextEditingController();
bool _isEditing = false;
late NumberFormat _currencyFmt;
@override
void initState() {
super.initState();
final currencyInfo = ref.read(currencyProvider);
_currencyFmt = NumberFormat.currency(symbol: currencyInfo.symbol, decimalDigits: 2);
final budget = ref.read(budgetProvider);
if (budget != null) {
_budgetController.text = budget.toStringAsFixed(2);
@@ -49,27 +51,196 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
@override
Widget build(BuildContext context) {
final budget = ref.watch(budgetProvider);
final themeMode = ref.watch(themeProvider);
final isDarkMode = themeMode == ThemeMode.dark;
final currencyInfo = ref.watch(currencyProvider);
// Update currency format when it changes
_currencyFmt = NumberFormat.currency(symbol: currencyInfo.symbol, decimalDigits: 2);
return Scaffold(
backgroundColor: AppColors.background,
body: SafeArea(
child: ListView(
padding: const EdgeInsets.fromLTRB(20, 24, 20, 20),
appBar: AppBar(
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Settings',
style: Theme.of(context).textTheme.headlineSmall?.copyWith(
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.w700,
color: AppColors.textPrimary,
),
),
Text(
'Manage your preferences',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: AppColors.textSecondary,
),
),
const SizedBox(height: 32),
],
),
actions: [
IconButton(
icon: const Icon(Icons.add_circle_rounded),
iconSize: 32,
color: AppColors.accent,
onPressed: () => context.push('/add'),
tooltip: 'Add Transaction',
),
],
),
body: SafeArea(
child: ListView(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 20),
children: [
// Theme Toggle
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: AppColors.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: AppColors.divider),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: AppColors.accent.withOpacity(0.15),
borderRadius: BorderRadius.circular(12),
),
child: Icon(
isDarkMode ? Icons.dark_mode_rounded : Icons.light_mode_rounded,
color: AppColors.accent,
size: 20,
),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Dark Mode',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
color: AppColors.textPrimary,
),
),
Text(
isDarkMode ? 'Enabled' : 'Disabled',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: AppColors.textSecondary,
),
),
],
),
),
Switch(
value: isDarkMode,
onChanged: (value) {
ref.read(themeProvider.notifier).setThemeMode(value);
},
activeColor: AppColors.accent,
),
],
),
),
const SizedBox(height: 16),
// Currency Selector
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: AppColors.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: AppColors.divider),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: AppColors.accent.withOpacity(0.15),
borderRadius: BorderRadius.circular(12),
),
child: const Icon(
Icons.attach_money_rounded,
color: AppColors.accent,
size: 20,
),
),
const SizedBox(width: 12),
Expanded(
child: Text(
'Currency',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
color: AppColors.textPrimary,
),
),
),
],
),
const SizedBox(height: 16),
Row(
children: ['USD', 'EUR', 'BYN', 'RUB'].map((code) {
final info = currencyMap[code]!;
final isSelected = currencyInfo.code == code;
return Expanded(
child: Padding(
padding: const EdgeInsets.only(right: 8),
child: GestureDetector(
onTap: () {
ref.read(currencyProvider.notifier).setCurrency(code);
},
child: Container(
padding: const EdgeInsets.symmetric(vertical: 12),
decoration: BoxDecoration(
color: isSelected
? AppColors.accent.withOpacity(0.2)
: AppColors.background,
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: isSelected ? AppColors.accent : AppColors.divider,
width: isSelected ? 1.5 : 1,
),
),
child: Column(
children: [
Text(
info.symbol,
style: Theme.of(context).textTheme.titleLarge?.copyWith(
color: isSelected ? AppColors.accent : AppColors.textSecondary,
fontWeight: isSelected ? FontWeight.w700 : FontWeight.normal,
),
),
const SizedBox(height: 2),
Text(
code,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: isSelected ? AppColors.accent : AppColors.textSecondary,
fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
),
),
],
),
),
),
),
);
}).toList(),
),
],
),
),
const SizedBox(height: 16),
// Budget Setting
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
@@ -123,8 +294,8 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
inputFormatters: [
FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,2}')),
],
decoration: const InputDecoration(
prefixText: '\$ ',
decoration: InputDecoration(
prefixText: '${currencyInfo.symbol} ',
hintText: '0.00',
helperText: 'Leave empty to remove budget limit',
),