2026-05-19 23:33:12 +07:00

594 lines
21 KiB
Dart

import 'package:auto_route/auto_route.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:line_icons/line_icons.dart';
import 'package:shimmer/shimmer.dart';
import '../../../application/analytic/purchasing_analytic_loader/purchasing_analytic_loader_bloc.dart';
import '../../../application/outlet/outlet_list_loader/outlet_list_loader_bloc.dart';
import '../../../common/extension/extension.dart';
import '../../../common/theme/theme.dart';
import '../../../injection.dart';
import '../../components/appbar/appbar.dart';
import '../../components/field/date_range_picker_field.dart';
import '../../components/spacer/spacer.dart';
import 'widgets/ingredient_card.dart';
import 'widgets/outlet_selector_field.dart';
import 'widgets/purchase_daily_tile.dart';
import 'widgets/stat_card.dart';
import 'widgets/vendor_card.dart';
@RoutePage()
class PurchasePage extends StatefulWidget implements AutoRouteWrapper {
const PurchasePage({super.key});
@override
State<PurchasePage> createState() => _PurchasePageState();
@override
Widget wrappedRoute(BuildContext context) => MultiBlocProvider(
providers: [
BlocProvider(
create: (context) => getIt<PurchasingAnalyticLoaderBloc>()
..add(const PurchasingAnalyticLoaderEvent.fetched()),
),
BlocProvider(
create: (context) => getIt<OutletListLoaderBloc>()
..add(const OutletListLoaderEvent.fetched()),
),
],
child: this,
);
}
class _PurchasePageState extends State<PurchasePage>
with TickerProviderStateMixin {
late AnimationController _fadeController;
late Animation<double> _fadeAnimation;
@override
void initState() {
super.initState();
_fadeController = AnimationController(
duration: const Duration(milliseconds: 600),
vsync: this,
);
_fadeAnimation = CurvedAnimation(
parent: _fadeController,
curve: Curves.easeOut,
);
Future.delayed(const Duration(milliseconds: 200), () {
if (mounted) _fadeController.forward();
});
}
@override
void dispose() {
_fadeController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: AppColor.background,
body: MultiBlocListener(
listeners: [
// Re-fetch when date range changes
BlocListener<PurchasingAnalyticLoaderBloc,
PurchasingAnalyticLoaderState>(
listenWhen: (prev, curr) =>
prev.dateFrom != curr.dateFrom ||
prev.dateTo != curr.dateTo,
listener: (context, _) => context
.read<PurchasingAnalyticLoaderBloc>()
.add(const PurchasingAnalyticLoaderEvent.fetched()),
),
// Re-fetch when outlet changes
BlocListener<PurchasingAnalyticLoaderBloc,
PurchasingAnalyticLoaderState>(
listenWhen: (prev, curr) => prev.outletId != curr.outletId,
listener: (context, _) => context
.read<PurchasingAnalyticLoaderBloc>()
.add(const PurchasingAnalyticLoaderEvent.fetched()),
),
],
child: BlocBuilder<OutletListLoaderBloc, OutletListLoaderState>(
builder: (context, outletListState) {
return BlocBuilder<PurchasingAnalyticLoaderBloc,
PurchasingAnalyticLoaderState>(
builder: (context, state) {
return CustomScrollView(
slivers: [
// App Bar
SliverAppBar(
expandedHeight: 120.0,
floating: false,
pinned: true,
elevation: 0,
backgroundColor: AppColor.primary,
flexibleSpace:
CustomAppBar(title: context.lang.purchase),
),
// Date Range + Outlet Picker
SliverToBoxAdapter(
child: FadeTransition(
opacity: _fadeAnimation,
child: Padding(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 0),
child: Column(
children: [
DateRangePickerField(
maxDate: DateTime.now(),
startDate: state.dateFrom,
endDate: state.dateTo,
onChanged: (startDate, endDate) {
context
.read<PurchasingAnalyticLoaderBloc>()
.add(
PurchasingAnalyticLoaderEvent
.rangeDateChanged(
startDate!,
endDate!,
),
);
},
),
const SpaceHeight(8),
PurchaseOutletSelectorField(
selectedOutletId: state.outletId,
outlets: outletListState.outlets,
isLoading: outletListState.isFetching,
onOutletChanged: (outletId) {
context
.read<PurchasingAnalyticLoaderBloc>()
.add(
PurchasingAnalyticLoaderEvent
.outletChanged(outletId),
);
},
),
],
),
),
),
),
const SliverToBoxAdapter(child: SpaceHeight(16)),
// Summary Section
SliverToBoxAdapter(
child: FadeTransition(
opacity: _fadeAnimation,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
context.lang.summary,
style: AppStyle.xxl.copyWith(
fontWeight: FontWeight.bold,
color: AppColor.textPrimary,
),
),
const SpaceHeight(16),
state.isFetching
? _buildSummaryShimmer()
: _buildSummaryCards(state),
],
),
),
),
),
const SliverToBoxAdapter(child: SpaceHeight(24)),
// Total Purchases Highlight Card
SliverToBoxAdapter(
child: FadeTransition(
opacity: _fadeAnimation,
child: state.isFetching
? _buildHighlightShimmer()
: _buildTotalPurchasesCard(state),
),
),
const SliverToBoxAdapter(child: SpaceHeight(24)),
// Daily Breakdown Header
SliverToBoxAdapter(
child: FadeTransition(
opacity: _fadeAnimation,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
context.lang.daily_breakdown,
style: AppStyle.xxl.copyWith(
fontWeight: FontWeight.bold,
color: AppColor.textPrimary,
),
),
),
),
),
const SliverToBoxAdapter(child: SpaceHeight(12)),
state.isFetching
? _buildListShimmer()
: _buildDailyList(state),
const SliverToBoxAdapter(child: SpaceHeight(24)),
// Ingredient Header
SliverToBoxAdapter(
child: FadeTransition(
opacity: _fadeAnimation,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
'Bahan Baku',
style: AppStyle.xxl.copyWith(
fontWeight: FontWeight.bold,
color: AppColor.textPrimary,
),
),
),
),
),
const SliverToBoxAdapter(child: SpaceHeight(12)),
state.isFetching
? _buildListShimmer()
: _buildIngredientList(state),
const SliverToBoxAdapter(child: SpaceHeight(24)),
// Vendor Header
SliverToBoxAdapter(
child: FadeTransition(
opacity: _fadeAnimation,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
'Vendor',
style: AppStyle.xxl.copyWith(
fontWeight: FontWeight.bold,
color: AppColor.textPrimary,
),
),
),
),
),
const SliverToBoxAdapter(child: SpaceHeight(12)),
state.isFetching
? _buildListShimmer()
: _buildVendorList(state),
const SliverToBoxAdapter(child: SpaceHeight(80)),
],
);
},
);
},
),
),
);
}
// ─── Summary Cards ────────────────────────────────────────────────────────
Widget _buildSummaryCards(PurchasingAnalyticLoaderState state) {
final s = state.purchasing.summary;
return Column(
children: [
Row(
children: [
Expanded(
child: PurchaseStatCard(
title: 'Total Pembelian',
value: s.totalPurchases.currencyFormatRp,
icon: LineIcons.shoppingCart,
iconColor: AppColor.primary,
cardAnimation: _fadeAnimation,
),
),
const SpaceWidth(12),
Expanded(
child: PurchaseStatCard(
title: 'Total PO',
value: '${s.totalPurchaseOrders} PO',
icon: LineIcons.fileAlt,
iconColor: AppColor.info,
cardAnimation: _fadeAnimation,
),
),
],
),
const SpaceHeight(12),
Row(
children: [
Expanded(
child: PurchaseStatCard(
title: 'Total Qty',
value: '${s.totalQuantity} pcs',
icon: LineIcons.boxes,
iconColor: AppColor.warning,
cardAnimation: _fadeAnimation,
),
),
const SpaceWidth(12),
Expanded(
child: PurchaseStatCard(
title: 'Rata-rata PO',
value: s.averagePurchaseOrderValue.round().currencyFormatRp,
icon: LineIcons.dollarSign,
iconColor: AppColor.secondary,
cardAnimation: _fadeAnimation,
),
),
],
),
const SpaceHeight(12),
Row(
children: [
Expanded(
child: PurchaseStatCard(
title: 'Bahan Baku',
value: '${s.totalIngredients} item',
icon: LineIcons.leaf,
iconColor: AppColor.secondaryDark,
cardAnimation: _fadeAnimation,
),
),
const SpaceWidth(12),
Expanded(
child: PurchaseStatCard(
title: 'Vendor',
value: '${s.totalVendors} vendor',
icon: LineIcons.truck,
iconColor: AppColor.primaryDark,
cardAnimation: _fadeAnimation,
),
),
],
),
],
);
}
Widget _buildTotalPurchasesCard(PurchasingAnalyticLoaderState state) {
return TweenAnimationBuilder<double>(
tween: Tween(begin: 0.0, end: 1.0),
duration: const Duration(milliseconds: 900),
curve: Curves.bounceOut,
builder: (context, value, _) {
return Transform.scale(
scale: value,
child: Container(
margin: const EdgeInsets.symmetric(horizontal: 16),
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: AppColor.primaryGradient,
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: AppColor.primary.withOpacity(0.35),
blurRadius: 16,
offset: const Offset(0, 6),
),
],
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(12),
),
child: const Icon(
LineIcons.shoppingBag,
color: AppColor.textWhite,
size: 28,
),
),
const SpaceWidth(16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
context.lang.total_purchase,
style: TextStyle(
color: AppColor.textWhite.withOpacity(0.9),
fontSize: 14,
fontWeight: FontWeight.w500,
),
),
const SpaceHeight(4),
Text(
state.purchasing.summary.totalPurchases
.currencyFormatRp,
style: const TextStyle(
color: AppColor.textWhite,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
],
),
),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text(
'${state.purchasing.summary.totalPurchaseOrders} PO',
style: const TextStyle(
color: AppColor.textWhite,
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
Text(
'purchase order',
style: TextStyle(
color: AppColor.textWhite.withOpacity(0.8),
fontSize: 12,
),
),
],
),
],
),
),
);
},
);
}
// ─── Lists ────────────────────────────────────────────────────────────────
Widget _buildDailyList(PurchasingAnalyticLoaderState state) {
if (state.purchasing.data.isEmpty) {
return SliverToBoxAdapter(
child: _buildEmptyState('Tidak ada data harian'));
}
return SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) => PurchaseDailyTile(
data: state.purchasing.data[index],
index: index,
animation: _fadeAnimation,
),
childCount: state.purchasing.data.length,
),
);
}
Widget _buildIngredientList(PurchasingAnalyticLoaderState state) {
if (state.purchasing.ingredientData.isEmpty) {
return SliverToBoxAdapter(
child: _buildEmptyState('Tidak ada data bahan baku'));
}
return SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) => PurchaseIngredientCard(
data: state.purchasing.ingredientData[index],
index: index,
animation: _fadeAnimation,
),
childCount: state.purchasing.ingredientData.length,
),
);
}
Widget _buildVendorList(PurchasingAnalyticLoaderState state) {
if (state.purchasing.vendorData.isEmpty) {
return SliverToBoxAdapter(
child: _buildEmptyState('Tidak ada data vendor'));
}
return SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) => PurchaseVendorCard(
data: state.purchasing.vendorData[index],
index: index,
animation: _fadeAnimation,
),
childCount: state.purchasing.vendorData.length,
),
);
}
// ─── Empty State ──────────────────────────────────────────────────────────
Widget _buildEmptyState(String message) {
return Container(
margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: AppColor.surface,
borderRadius: BorderRadius.circular(12),
border: Border.all(color: AppColor.border.withOpacity(0.3)),
),
child: Center(
child: Text(
message,
style: AppStyle.md.copyWith(color: AppColor.textSecondary),
),
),
);
}
// ─── Shimmer Loaders ──────────────────────────────────────────────────────
Widget _buildSummaryShimmer() {
return Column(
children: [
Row(
children: [
Expanded(child: _shimmerCard(height: 100)),
const SpaceWidth(12),
Expanded(child: _shimmerCard(height: 100)),
],
),
const SpaceHeight(12),
Row(
children: [
Expanded(child: _shimmerCard(height: 100)),
const SpaceWidth(12),
Expanded(child: _shimmerCard(height: 100)),
],
),
const SpaceHeight(12),
Row(
children: [
Expanded(child: _shimmerCard(height: 100)),
const SpaceWidth(12),
Expanded(child: _shimmerCard(height: 100)),
],
),
],
);
}
Widget _buildHighlightShimmer() {
return Container(
margin: const EdgeInsets.symmetric(horizontal: 16),
child: _shimmerCard(height: 88),
);
}
Widget _buildListShimmer() {
return SliverList(
delegate: SliverChildBuilderDelegate(
(_, __) => Container(
margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
child: _shimmerCard(height: 72),
),
childCount: 4,
),
);
}
Widget _shimmerCard({required double height}) {
return Shimmer.fromColors(
baseColor: Colors.grey[300]!,
highlightColor: Colors.grey[100]!,
child: Container(
height: height,
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
),
),
);
}
}