Files
Casha/lib/features/dashboard/screen.dart
T
2026-03-20 10:58:35 +03:00

597 lines
20 KiB
Dart

import 'package:flutter/material.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 '../../shared/models/transaction.dart';
import '../settings/provider.dart';
import 'provider.dart';
class DashboardScreen extends ConsumerStatefulWidget {
const DashboardScreen({super.key});
@override
ConsumerState<DashboardScreen> createState() => _DashboardScreenState();
}
class _DashboardScreenState extends ConsumerState<DashboardScreen> {
final _searchController = TextEditingController();
@override
void dispose() {
_searchController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final balance = ref.watch(totalBalanceProvider);
final income = ref.watch(totalIncomeProvider);
final expense = ref.watch(totalExpenseProvider);
final monthExpense = ref.watch(currentMonthExpenseProvider);
final budget = ref.watch(budgetProvider);
final recent = ref.watch(recentTransactionsProvider);
final filter = ref.watch(transactionFilterProvider);
final currencyInfo = ref.watch(currencyProvider);
final budgetExceeded = budget != null && monthExpense > budget;
return Scaffold(
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
appBar: AppBar(
title: Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'My Finances',
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.w700,
color: Theme.of(context).colorScheme.onSurface,
),
),
Text(
DateFormat('MMMM yyyy').format(DateTime.now()),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
),
],
),
actions: [
IconButton(
icon: const Icon(Icons.add_circle_rounded),
iconSize: 32,
color: AppColors.accent,
onPressed: () => context.push('/add'),
tooltip: 'Add Transaction',
),
],
),
body: SafeArea(
child: CustomScrollView(
cacheExtent: 300,
slivers: [
SliverToBoxAdapter(
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_BalanceCard(balance: balance, currencyInfo: currencyInfo),
const SizedBox(height: 16),
_SummaryRow(income: income, expense: expense, currencyInfo: currencyInfo),
if (budget != null) ...[
const SizedBox(height: 16),
_BudgetProgress(spent: monthExpense, budget: budget, currencyInfo: currencyInfo),
],
if (budgetExceeded) ...[
const SizedBox(height: 12),
_BudgetWarning(spent: monthExpense, budget: budget, currencyInfo: currencyInfo),
],
const SizedBox(height: 24),
_SearchBar(controller: _searchController, ref: ref),
const SizedBox(height: 12),
_FilterChips(selected: filter, ref: ref),
const SizedBox(height: 20),
Text(
'Transactions',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
color: Theme.of(context).colorScheme.onSurface,
),
),
const SizedBox(height: 12),
],
),
),
),
if (recent.isEmpty)
const SliverFillRemaining(
hasScrollBody: false,
child: _EmptyState(),
)
else
SliverPadding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 100),
sliver: SliverList.builder(
itemCount: recent.length,
itemBuilder: (context, i) => Padding(
padding: const EdgeInsets.only(bottom: 10),
child: RepaintBoundary(
child: _TransactionTile(transaction: recent[i]),
),
),
),
),
],
),
),
);
}
}
class _SearchBar extends StatelessWidget {
final TextEditingController controller;
final WidgetRef ref;
const _SearchBar({required this.controller, required this.ref});
@override
Widget build(BuildContext context) {
return TextField(
controller: controller,
decoration: InputDecoration(
hintText: 'Search transactions...',
prefixIcon: Icon(Icons.search_rounded, color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6)),
suffixIcon: controller.text.isNotEmpty
? IconButton(
icon: const Icon(Icons.clear_rounded, size: 20),
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
onPressed: () {
controller.clear();
ref.read(searchQueryProvider.notifier).state = '';
},
)
: null,
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
),
onChanged: (v) => ref.read(searchQueryProvider.notifier).state = v,
);
}
}
class _FilterChips extends StatelessWidget {
final TransactionFilter selected;
final WidgetRef ref;
const _FilterChips({required this.selected, required this.ref});
@override
Widget build(BuildContext context) {
return Row(
children: [
_FilterChip(
label: 'All',
isSelected: selected == TransactionFilter.all,
onTap: () => ref.read(transactionFilterProvider.notifier).state = TransactionFilter.all,
),
const SizedBox(width: 8),
_FilterChip(
label: 'Income',
isSelected: selected == TransactionFilter.income,
color: AppColors.income,
onTap: () => ref.read(transactionFilterProvider.notifier).state = TransactionFilter.income,
),
const SizedBox(width: 8),
_FilterChip(
label: 'Expense',
isSelected: selected == TransactionFilter.expense,
color: AppColors.expense,
onTap: () => ref.read(transactionFilterProvider.notifier).state = TransactionFilter.expense,
),
],
);
}
}
class _FilterChip extends StatelessWidget {
final String label;
final bool isSelected;
final Color? color;
final VoidCallback onTap;
const _FilterChip({
required this.label,
required this.isSelected,
this.color,
required this.onTap,
});
@override
Widget build(BuildContext context) {
final chipColor = color ?? AppColors.accent;
return GestureDetector(
onTap: onTap,
child: AnimatedContainer(
duration: const Duration(milliseconds: 200),
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
decoration: BoxDecoration(
color: isSelected ? chipColor.withOpacity(0.2) : Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: isSelected ? chipColor : Theme.of(context).dividerColor,
width: isSelected ? 1.5 : 1,
),
),
child: Text(
label,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: isSelected ? chipColor : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
),
),
),
);
}
}
class _BudgetProgress extends StatelessWidget {
final double spent;
final double budget;
final CurrencyInfo currencyInfo;
const _BudgetProgress({required this.spent, required this.budget, required this.currencyInfo});
@override
Widget build(BuildContext context) {
final ratio = spent / budget;
final color = ratio >= 1.0
? AppColors.expense
: ratio >= 0.8
? AppColors.warning
: AppColors.income;
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: Theme.of(context).dividerColor),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Monthly Budget',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
Text(
'${(ratio * 100).toStringAsFixed(0)}%',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: color,
fontWeight: FontWeight.w600,
),
),
],
),
const SizedBox(height: 8),
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: LinearProgressIndicator(
value: ratio.clamp(0.0, 1.0),
backgroundColor: Theme.of(context).dividerColor,
valueColor: AlwaysStoppedAnimation<Color>(color),
minHeight: 8,
),
),
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Spent: ${currencyInfo.symbol}${spent.toStringAsFixed(2)}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
Text(
'Limit: ${currencyInfo.symbol}${budget.toStringAsFixed(2)}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
],
),
);
}
}
class _BudgetWarning extends StatelessWidget {
final double spent;
final double budget;
final CurrencyInfo currencyInfo;
const _BudgetWarning({required this.spent, required this.budget, required this.currencyInfo});
@override
Widget build(BuildContext context) {
final over = spent - budget;
return Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: AppColors.expense.withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: AppColors.expense.withOpacity(0.3)),
),
child: Row(
children: [
const Icon(Icons.warning_rounded, color: AppColors.expense, size: 20),
const SizedBox(width: 10),
Expanded(
child: Text(
'Budget exceeded by ${currencyInfo.symbol}${over.toStringAsFixed(2)}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: AppColors.expense,
fontWeight: FontWeight.w600,
),
),
),
],
),
);
}
}
class _BalanceCard extends StatelessWidget {
final double balance;
final CurrencyInfo currencyInfo;
const _BalanceCard({required this.balance, required this.currencyInfo});
@override
Widget build(BuildContext context) {
return Container(
width: double.infinity,
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
Theme.of(context).colorScheme.primary,
Theme.of(context).colorScheme.primary.withOpacity(0.7),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: AppColors.accent.withOpacity(0.3),
blurRadius: 20,
offset: const Offset(0, 8),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Total Balance',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onPrimary.withOpacity(0.7),
),
),
const SizedBox(height: 8),
Text(
'${currencyInfo.symbol}${balance.toStringAsFixed(2)}',
style: Theme.of(context).textTheme.headlineMedium?.copyWith(
color: Theme.of(context).colorScheme.onPrimary,
fontWeight: FontWeight.w700,
letterSpacing: -0.5,
),
),
const SizedBox(height: 4),
Text(
'Converted to ${currencyInfo.symbol}${currencyInfo.code}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onPrimary.withOpacity(0.6),
fontSize: 11,
),
),
],
),
);
}
}
class _SummaryRow extends StatelessWidget {
final double income;
final double expense;
final CurrencyInfo currencyInfo;
const _SummaryRow({required this.income, required this.expense, required this.currencyInfo});
@override
Widget build(BuildContext context) {
return Row(
children: [
Expanded(child: _SummaryCard(label: 'Income', amount: income, color: AppColors.income, icon: Icons.arrow_downward_rounded, currencyInfo: currencyInfo)),
const SizedBox(width: 12),
Expanded(child: _SummaryCard(label: 'Expenses', amount: expense, color: AppColors.expense, icon: Icons.arrow_upward_rounded, currencyInfo: currencyInfo)),
],
);
}
}
class _SummaryCard extends StatelessWidget {
final String label;
final double amount;
final Color color;
final IconData icon;
final CurrencyInfo currencyInfo;
const _SummaryCard({required this.label, required this.amount, required this.color, required this.icon, required this.currencyInfo});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: Theme.of(context).dividerColor),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: color.withOpacity(0.15),
borderRadius: BorderRadius.circular(10),
),
child: Icon(icon, color: color, size: 18),
),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(label, style: Theme.of(context).textTheme.bodySmall?.copyWith(color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6))),
const SizedBox(height: 2),
Text(
'${currencyInfo.symbol}${amount.toStringAsFixed(2)}',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: color,
fontWeight: FontWeight.w600,
),
overflow: TextOverflow.ellipsis,
),
],
),
),
],
),
);
}
}
class _TransactionTile extends StatelessWidget {
final Transaction transaction;
const _TransactionTile({required this.transaction});
@override
Widget build(BuildContext context) {
final isIncome = transaction.type == TransactionType.income;
final color = isIncome ? AppColors.income : AppColors.expense;
final catColor = AppCategories.colors[transaction.category] ?? AppColors.accent;
final catIcon = AppCategories.icons[transaction.category] ?? Icons.category_rounded;
return GestureDetector(
onTap: () => context.push('/add', extra: transaction),
child: Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: Theme.of(context).dividerColor),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: catColor.withOpacity(0.15),
borderRadius: BorderRadius.circular(12),
),
child: Icon(catIcon, color: catColor, size: 20),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
transaction.category,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w600,
color: Theme.of(context).colorScheme.onSurface,
),
),
if (transaction.note != null && transaction.note!.isNotEmpty)
Text(
transaction.note!,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
overflow: TextOverflow.ellipsis,
)
else
Text(
DateFormat('MMM d, yyyy').format(transaction.date),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
),
Text(
'${isIncome ? '+' : '-'}${transaction.currency}${transaction.amount.toStringAsFixed(2)}',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: color,
fontWeight: FontWeight.w700,
),
),
],
),
),
);
}
}
class _EmptyState extends StatelessWidget {
const _EmptyState();
@override
Widget build(BuildContext context) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
shape: BoxShape.circle,
),
child: Icon(
Icons.receipt_long_rounded,
size: 48,
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
const SizedBox(height: 16),
Text(
'No transactions found',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface,
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 6),
Text(
'Tap + to add your first transaction',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
);
}
}