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kulakpos_app/lib/Screens/party ledger/single_party_ledger_screen.dart

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2026-02-07 15:57:09 +07:00
import 'package:dropdown_button2/dropdown_button2.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/svg.dart';
import 'package:hugeicons/hugeicons.dart';
import 'package:intl/intl.dart';
import 'package:mobile_pos/Provider/profile_provider.dart';
import 'package:mobile_pos/generated/l10n.dart' as lang;
import 'package:mobile_pos/Provider/transactions_provider.dart';
import 'package:collection/collection.dart';
import 'package:mobile_pos/Screens/Due%20Calculation/Providers/due_provider.dart';
import 'package:mobile_pos/Screens/invoice_details/due_invoice_details.dart';
import 'package:mobile_pos/Screens/invoice_details/purchase_invoice_details.dart';
import 'package:mobile_pos/Screens/invoice_details/sales_invoice_details_screen.dart';
import 'package:mobile_pos/Screens/party%20ledger/provider.dart';
import 'package:mobile_pos/currency.dart';
import 'package:mobile_pos/pdf_report/ledger_report/ledger_report_pdf.dart';
import 'package:nb_utils/nb_utils.dart';
import '../../constant.dart';
import '../../model/business_info_model.dart';
import '../../pdf_report/ledger_report/ledger_report_excel.dart';
import '../../widgets/build_date_selector/build_date_selector.dart';
import '../Sales/Repo/sales_repo.dart';
import 'model/party_leder_filer_param.dart';
class PartyLedgerScreen extends ConsumerStatefulWidget {
final String partyId;
final String partyName; // Passed for the Appbar title
const PartyLedgerScreen({
super.key,
required this.partyId,
required this.partyName,
});
@override
ConsumerState<PartyLedgerScreen> createState() => _PartyLedgerScreenState();
}
class _PartyLedgerScreenState extends ConsumerState<PartyLedgerScreen> {
final ScrollController _scrollController = ScrollController();
final Map<String, String> dateOptions = {
'all': lang.S.current.all,
'today': lang.S.current.today,
'yesterday': lang.S.current.yesterday,
'last_seven_days': lang.S.current.last7Days,
'last_thirty_days': lang.S.current.last30Days,
'current_month': lang.S.current.currentMonth,
'last_month': lang.S.current.lastMonth,
'current_year': lang.S.current.currentYear,
'custom_date': lang.S.current.customerDate,
};
String selectedTime = 'all';
// String selectedTime = 'today';
bool _isRefreshing = false; // Prevents multiple refresh calls
Future<void> refreshData(WidgetRef ref) async {
if (_isRefreshing) return; // Prevent duplicate refresh calls
_isRefreshing = true;
ref.refresh(dashboardInfoProvider(selectedTime.toLowerCase()));
await Future.delayed(const Duration(seconds: 1)); // Optional delay
_isRefreshing = false;
}
bool _showCustomDatePickers = false; // Track if custom date pickers should be shown
DateTime? fromDate;
DateTime? toDate;
String? _getDateRangeString() {
if (selectedTime == 'all') {
return null;
}
if (selectedTime != 'custom_date') {
return selectedTime.toLowerCase();
}
if (fromDate != null && toDate != null) {
final formattedFrom = DateFormat('yyyy-MM-dd').format(fromDate!);
final formattedTo = DateFormat('yyyy-MM-dd').format(toDate!);
return 'custom_date&from_date=$formattedFrom&to_date=$formattedTo';
}
return null;
}
Future<void> _selectedFormDate(BuildContext context) async {
final DateTime? picked = await showDatePicker(
context: context,
firstDate: DateTime(2021),
lastDate: DateTime.now(),
);
if (picked != null && picked != fromDate) {
setState(() {
fromDate = picked;
});
if (toDate != null) refreshData(ref);
}
}
Future<void> _selectToDate(BuildContext context) async {
final DateTime? picked = await showDatePicker(
context: context,
firstDate: fromDate ?? DateTime(2021),
lastDate: DateTime.now(),
);
if (picked != null && picked != toDate) {
setState(() {
toDate = picked;
});
if (fromDate != null) refreshData(ref);
}
}
// Helper to format date "27 Jan 2025"
String _formatDate(String? dateStr) {
if (dateStr == null) return '-';
try {
DateTime date = DateTime.parse(dateStr);
return DateFormat('dd MMM yyyy').format(date);
} catch (e) {
return dateStr;
}
}
@override
void initState() {
super.initState();
final dateRangeString = _getDateRangeString();
final filterParam = PartyLedgerFilterParam(
partyId: widget.partyId,
duration: dateRangeString,
);
_scrollController.addListener(() {
if (_scrollController.position.pixels >= _scrollController.position.maxScrollExtent - 100) {
ref.read(partyLedgerProvider(filterParam).notifier).loadMore();
}
});
}
@override
void dispose() {
_scrollController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final _lang = lang.S.of(context);
final dateRangeString = _getDateRangeString();
print('-----------party id-----------${widget.partyId}---filter: $dateRangeString');
final filterParam = PartyLedgerFilterParam(
partyId: widget.partyId,
duration: dateRangeString,
);
final ledgerState = ref.watch(partyLedgerProvider(filterParam));
final notifier = ref.read(partyLedgerProvider(filterParam).notifier);
final businessData = ref.watch(businessInfoProvider);
final saleTransactionData = ref.watch(salesTransactionProvider);
final purchaseTransactionData = ref.watch(purchaseTransactionProvider);
final dueTransactionData = ref.watch(dueCollectionListProvider);
final _theme = Theme.of(context);
return Scaffold(
backgroundColor: Colors.white,
appBar: AppBar(
backgroundColor: Colors.white,
elevation: 0,
leadingWidth: 30,
title: Text(
widget.partyName,
style: _theme.textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 18,
),
),
actions: [
businessData.when(
data: (business) {
return IconButton(
visualDensity: VisualDensity(horizontal: -4, vertical: -4),
padding: EdgeInsets.zero,
onPressed: () {
if (ledgerState.transactions.isNotEmpty) {
generateLedgerReportPdf(
context,
ledgerState.transactions,
business,
_showCustomDatePickers ? fromDate : null,
_showCustomDatePickers ? toDate : null,
selectedTime,
);
} else {
EasyLoading.showInfo(_lang.noTransactionToGeneratePdf);
}
},
icon: HugeIcon(
icon: HugeIcons.strokeRoundedPdf01,
color: kSecondayColor,
),
);
},
error: (e, stack) => Center(child: Text(e.toString())),
loading: () => Center(
child: CircularProgressIndicator(),
),
),
businessData.when(
data: (business) {
return IconButton(
visualDensity: VisualDensity(horizontal: -4, vertical: -4),
padding: EdgeInsets.zero,
onPressed: () {
if (ledgerState.transactions.isNotEmpty) {
generateLedgerReportExcel(
context,
ledgerState.transactions,
business,
_showCustomDatePickers ? fromDate : null,
_showCustomDatePickers ? toDate : null,
selectedTime,
);
} else {
EasyLoading.showInfo(_lang.generatePdf);
}
},
icon: SvgPicture.asset('assets/excel.svg'),
);
},
error: (e, stack) => Center(child: Text(e.toString())),
loading: () => Center(
child: CircularProgressIndicator(),
),
),
const SizedBox(width: 8),
// --- Filter Dropdown ---
Padding(
padding: const EdgeInsets.only(right: 12),
child: SizedBox(
width: 120,
height: 32,
child: DropdownButtonFormField2<String>(
isExpanded: true,
iconStyleData: IconStyleData(
icon: Icon(Icons.keyboard_arrow_down, color: kPeraColor, size: 20),
),
value: selectedTime,
items: dateOptions.entries.map((entry) {
return DropdownMenuItem<String>(
value: entry.key,
child: Text(
entry.value,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: _theme.textTheme.titleSmall?.copyWith(
color: kPeraColor,
fontWeight: FontWeight.w500,
),
),
);
}).toList(),
onChanged: (value) {
setState(() {
selectedTime = value!;
_showCustomDatePickers = selectedTime == 'custom_date';
if (_showCustomDatePickers) {
fromDate = DateTime.now().subtract(const Duration(days: 7));
toDate = DateTime.now();
}
if (selectedTime != 'custom_date') {
refreshData(ref);
}
});
},
dropdownStyleData: DropdownStyleData(
maxHeight: 500,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(8),
),
scrollbarTheme: ScrollbarThemeData(
radius: const Radius.circular(40),
thickness: WidgetStateProperty.all<double>(6),
thumbVisibility: WidgetStateProperty.all<bool>(true),
),
),
menuItemStyleData: const MenuItemStyleData(padding: EdgeInsets.symmetric(horizontal: 6)),
),
),
)
],
bottom: _showCustomDatePickers
? PreferredSize(
preferredSize: const Size.fromHeight(50),
child: Column(
children: [
Divider(thickness: 1, color: kBottomBorder, height: 1),
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
GestureDetector(
onTap: () => _selectedFormDate(context),
child: buildDateSelector(
prefix: 'From',
date: fromDate != null ? DateFormat('dd MMMM yyyy').format(fromDate!) : 'Select Date',
theme: _theme,
),
),
SizedBox(width: 5),
RotatedBox(
quarterTurns: 1,
child: Container(
height: 1,
width: 22,
color: kPeraColor,
),
),
SizedBox(width: 5),
GestureDetector(
onTap: () => _selectToDate(context),
child: buildDateSelector(
prefix: 'To',
date: toDate != null ? DateFormat('dd MMMM yyyy').format(toDate!) : 'Select Date',
theme: _theme,
),
),
],
),
),
)
],
),
)
: null,
),
body: RefreshIndicator(
onRefresh: () async => notifier.updateFilter(ledgerState.currentFilter),
child: ledgerState.isLoading
? const Center(child: CircularProgressIndicator())
: ledgerState.transactions.isEmpty
? Center(child: Text(_lang.noTransactionFound))
: RefreshIndicator(
onRefresh: () async => notifier.updateFilter(ledgerState.currentFilter),
child: SingleChildScrollView(
controller: _scrollController, // keep infinite scroll
physics: const AlwaysScrollableScrollPhysics(),
scrollDirection: Axis.vertical,
child: SingleChildScrollView(
scrollDirection: Axis.horizontal, // horizontal scroll
child: DataTable(
headingRowColor: WidgetStateProperty.all(
Color(0xffF5F3F3).withValues(alpha: 0.5),
),
dividerThickness: 1,
// --- Header -------------
columns: [
DataColumn(
label: Text(
_lang.date,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
),
DataColumn(
label: Text(
_lang.reference,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
),
DataColumn(
label: Text(
_lang.description,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
),
DataColumn(
label: Text(
_lang.creditIn,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
),
DataColumn(
label: Text(
_lang.debitOut,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
),
DataColumn(
label: Text(
_lang.balance,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
),
],
// --- Rows (converted from ListView rows) --- //
rows: [
...ledgerState.transactions.map((data) {
return DataRow(
cells: [
// 1. Date
DataCell(
Text(
_formatDate(data.date),
style: _theme.textTheme.bodyLarge?.copyWith(
fontSize: 15,
),
),
),
DataCell(
saleTransactionData.when(
data: (sales) {
return purchaseTransactionData.when(
data: (purchases) {
return dueTransactionData.when(
data: (dueCollections) {
return businessData.when(
data: (business) {
return InkWell(
onTap: () {
if (data.platform == 'Sales') {
final sale = sales.firstWhereOrNull((e) => e.id == data.id);
if (sale != null) {
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => SalesInvoiceDetails(
saleTransaction: sale,
businessInfo: business,
),
),
);
} else {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Sale not found')),
);
}
} else if (data.platform == 'Purchase') {
final purchase =
purchases.firstWhereOrNull((e) => e.id == data.id);
if (purchase != null) {
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => PurchaseInvoiceDetails(
transitionModel: purchase,
businessInfo: business,
),
),
);
} else {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Purchase not found')),
);
}
} else if (data.platform == 'Payment') {
final due =
dueCollections.firstWhereOrNull((e) => e.id == data.id);
if (due != null) {
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => DueInvoiceDetails(
dueCollection: due,
personalInformationModel: business,
),
),
);
} else {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Due Collection not found')),
);
}
}
},
child: Align(
alignment: Alignment.center,
child: Text(
data.invoiceNumber ?? '-',
textAlign: TextAlign.center,
style: _theme.textTheme.bodyLarge?.copyWith(
color: Colors.red,
fontSize: 15,
),
),
),
);
},
loading: () => const Center(child: CircularProgressIndicator()),
error: (e, stack) => Center(child: Text(e.toString())),
);
},
loading: () => const Center(child: CircularProgressIndicator()),
error: (e, stack) => Center(child: Text(e.toString())),
);
},
loading: () => const CircularProgressIndicator(),
error: (e, stack) => Center(child: Text(e.toString())),
);
},
loading: () => const CircularProgressIndicator(),
error: (e, stack) => Center(child: Text(e.toString())),
),
),
DataCell(
Align(
alignment: Alignment.center,
child: Text(
data.platform.toString(),
textAlign: TextAlign.center,
style: _theme.textTheme.bodyLarge?.copyWith(
fontSize: 15,
),
),
),
),
// Credit
DataCell(
Align(
alignment: Alignment.center,
child: Text(
'$currency${formatPointNumber(data.creditAmount ?? 0, addComma: true)}',
style: _theme.textTheme.bodyLarge?.copyWith(
fontSize: 15,
),
),
),
),
// Debit
DataCell(
Align(
alignment: Alignment.center,
child: Text(
'$currency${formatPointNumber(data.debitAmount ?? 0, addComma: true)}',
style: _theme.textTheme.bodyLarge?.copyWith(
fontSize: 15,
),
),
),
),
// Balance
DataCell(
Align(
alignment: Alignment.center,
child: Text(
'$currency${formatPointNumber(data.balance ?? 0, addComma: true)}',
style: _theme.textTheme.bodyLarge?.copyWith(
fontSize: 15,
),
),
),
),
],
);
}),
// --- Load More Loader Row --- //
if (ledgerState.isLoadMoreRunning)
const DataRow(
cells: [
DataCell(
Padding(
padding: EdgeInsets.all(12.0),
child: Center(child: CircularProgressIndicator()),
),
),
DataCell(Text("")),
DataCell(Text("")),
DataCell(Text("")),
DataCell(Text("")),
DataCell(Text("")),
],
),
],
),
),
),
),
),
bottomNavigationBar: Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Color(0xffF5F3F3).withValues(alpha: 0.5),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
_lang.totalBalance,
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w500,
fontSize: 15,
),
),
Text(
ledgerState.transactions.isNotEmpty
? "$currency${formatPointNumber(ledgerState.transactions.last.balance ?? 0)}"
: "0",
style: _theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w500,
fontSize: 15,
),
),
],
),
),
);
}
}