Files
kulakpos_app/lib/Screens/stock_list/low_stock.dart
2026-02-07 15:57:09 +07:00

338 lines
19 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_feather_icons/flutter_feather_icons.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:hugeicons/hugeicons.dart';
import 'package:intl/intl.dart';
import 'package:mobile_pos/Provider/profile_provider.dart';
import 'package:mobile_pos/Screens/Products/Model/product_model.dart';
import 'package:mobile_pos/Screens/Products/Providers/product_provider.dart' hide productProvider;
import 'package:mobile_pos/Screens/stock_list/stock_in_varriant.dart';
import 'package:mobile_pos/constant.dart';
import 'package:mobile_pos/generated/l10n.dart' as lang;
import 'package:mobile_pos/pdf_report/stock_report_pdf/stock_report_pdf.dart';
import 'package:mobile_pos/widgets/empty_widget/_empty_widget.dart';
import '../../Provider/product_provider.dart';
import '../../currency.dart';
class LowStock extends ConsumerStatefulWidget {
const LowStock({super.key, required this.isFromReport});
final bool isFromReport;
@override
ConsumerState createState() => StockListState();
}
class StockListState extends ConsumerState<LowStock> {
String productSearch = '';
bool _isRefreshing = false;
// String selectedFilter = 'Low Stock';
String selectedExpireFilter = '7 Days';
Future<void> refreshData(WidgetRef ref) async {
if (_isRefreshing) return;
_isRefreshing = true;
ref.refresh(productProvider);
await Future.delayed(const Duration(seconds: 1));
_isRefreshing = false;
}
final _horizontalScroll = ScrollController();
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Consumer(builder: (context, ref, __) {
final providerData = ref.watch(productProvider);
final totalStockValueProvider = ref.watch(productListProvider);
final businessData = ref.watch(businessInfoProvider);
return totalStockValueProvider.when(
data: (stockValue) {
return businessData.when(data: (business) {
return providerData.when(
data: (product) {
List<Product> showableProducts = [];
double totalStockValue = 0;
for (var element in product) {
if (element.productType == 'combo') continue;
final searchMatch = element.productName!.toLowerCase().contains(productSearch.toLowerCase().trim());
if (!searchMatch) continue;
final qty = element.stocksSumProductStock ?? 0;
final alertQty = element.alertQty ?? 0;
final isLowStock = qty <= alertQty;
if (isLowStock) {
showableProducts.add(element);
final lastStock =
(element.stocks != null && element.stocks!.isNotEmpty) ? element.stocks!.last : null;
final purchasePrice = lastStock?.productPurchasePrice ?? element.productPurchasePrice ?? 0;
totalStockValue += purchasePrice * qty;
}
}
return Scaffold(
backgroundColor: Colors.white,
appBar: AppBar(
centerTitle: true,
title: Text(lang.S.of(context).lowStock),
backgroundColor: Colors.white,
elevation: 0.0,
actions: [
IconButton(
visualDensity: VisualDensity(horizontal: -4, vertical: -4),
padding: EdgeInsets.zero,
onPressed: () {
if (showableProducts.isNotEmpty) {
generateStockReportPdf(context, showableProducts, business, stockValue, true);
} else {
EasyLoading.showError(lang.S.of(context).genPdfWarn);
}
},
icon: HugeIcon(
icon: HugeIcons.strokeRoundedPdf01,
color: kSecondayColor,
),
),
SizedBox(width: 8),
],
toolbarHeight: 100,
bottom: PreferredSize(
preferredSize: const Size(double.infinity, 40),
child: Column(
children: [
Container(
color: updateBorderColor.withValues(alpha: 0.5),
width: double.infinity,
height: 1,
),
Padding(
padding: const EdgeInsets.all(16),
child: TextFormField(
onChanged: (value) {
setState(() {
productSearch = value;
});
},
decoration: InputDecoration(
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: updateBorderColor, width: 1),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Colors.red, width: 1),
),
prefixIcon: const Padding(
padding: EdgeInsets.only(left: 10),
child: Icon(
FeatherIcons.search,
color: kNeutralColor,
),
),
hintText: lang.S.of(context).searchH,
hintStyle: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: kNeutralColor,
)),
),
),
],
),
),
),
body: SingleChildScrollView(
child: RefreshIndicator(
onRefresh: () => refreshData(ref),
child: Column(
children: [
showableProducts.isNotEmpty
? LayoutBuilder(
builder: (BuildContext context, BoxConstraints constraints) {
final kWidth = constraints.maxWidth;
return SingleChildScrollView(
scrollDirection: Axis.horizontal,
controller: _horizontalScroll,
child: ConstrainedBox(
constraints: BoxConstraints(minWidth: kWidth),
child: Theme(
data: Theme.of(context).copyWith(
dividerTheme: const DividerThemeData(color: Colors.transparent),
checkboxTheme: CheckboxThemeData(),
),
child: DataTable(
border: const TableBorder(
horizontalInside: BorderSide(
width: 1,
color: updateBorderColor,
),
),
dataRowColor: const WidgetStatePropertyAll(Colors.white),
headingRowColor: WidgetStateProperty.all(const Color(0xffFEF0F1)),
showBottomBorder: false,
dividerThickness: 0.0,
headingTextStyle: theme.textTheme.titleSmall,
dataTextStyle: theme.textTheme.bodyMedium,
columnSpacing: 20.0,
headingRowHeight: 40,
dataRowMinHeight: 40,
columns: [
DataColumn(label: Text(lang.S.of(context).product)),
DataColumn(label: Text(lang.S.of(context).qty)),
DataColumn(label: Text(lang.S.of(context).cost)),
DataColumn(label: Text(lang.S.of(context).sale)),
],
rows: showableProducts.asMap().entries.map((entry) {
final product = entry.value;
final lastStock =
product.stocks?.isNotEmpty == true ? product.stocks?.last : null;
bool isLowStock =
(product.stocksSumProductStock ?? 0) <= (product.alertQty ?? 0);
// Find the first expired stock (if any)
Stock? expiredStock;
if (product.stocks != null) {
for (final stock in product.stocks!) {
if (stock.expireDate != null) {
final expiryDate = DateTime.tryParse(stock.expireDate!);
if (expiryDate != null && expiryDate.isBefore(DateTime.now())) {
expiredStock = stock;
break;
}
}
}
}
bool isExpired = expiredStock != null;
void navigateNextScreen() {
if (product.productType == "variant" &&
product.stocks?.isNotEmpty == true) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => StockInVarriantList(product: product),
),
);
}
}
return DataRow(
cells: [
DataCell(
onTap: () => navigateNextScreen(),
SizedBox(
width: 150,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
product.productName ?? 'N/A',
style: theme.textTheme.bodyMedium,
textAlign: TextAlign.start,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
if (isExpired) SizedBox(height: 1),
if (isExpired)
Text.rich(
TextSpan(
text: '${lang.S.of(context).expired}: ',
children: [
TextSpan(
text: DateFormat('dd MMM yyyy').format(
DateTime.parse(expiredStock.expireDate
.toString())),
style: TextStyle(
color: Colors.red,
fontSize: 12,
))
]),
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: theme.textTheme.bodySmall,
)
],
),
)),
DataCell(
onTap: () => navigateNextScreen(),
Text(
"${product.stocksSumProductStock ?? 0}",
)),
DataCell(
onTap: () => navigateNextScreen(),
Text(
'$currency${formatPointNumber(lastStock?.productPurchasePrice ?? 0)}',
style: theme.textTheme.bodyMedium?.copyWith())),
DataCell(
onTap: () => navigateNextScreen(),
Text(
'$currency${formatPointNumber(lastStock?.productSalePrice ?? 0)}',
)),
],
);
}).toList(),
),
),
),
);
},
)
: EmptyWidget(
message: TextSpan(text: lang.S.of(context).noProductFound),
),
],
),
),
),
bottomNavigationBar: Container(
color: const Color(0xffFEF0F1),
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
child: Padding(
padding: const EdgeInsets.only(left: 8.0, right: 8),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
lang.S.of(context).stockValue,
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
),
),
Text(
'$currency${formatPointNumber(totalStockValue)}',
style: theme.textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w600),
),
],
),
),
),
);
},
error: (e, stack) => Center(child: Text("Error: $e")),
loading: () => const Center(child: CircularProgressIndicator()),
);
}, error: (e, stack) {
return Text(e.toString());
}, loading: () {
return Center(child: CircularProgressIndicator());
});
},
error: (e, stack) => Center(
child: Text(e.toString()),
),
loading: () {
return Center(
child: CircularProgressIndicator(),
);
});
});
}
}