333 lines
12 KiB
Dart
333 lines
12 KiB
Dart
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import 'dart:io';
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import 'package:excel/excel.dart' as e;
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import 'package:file_selector/file_selector.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_easyloading/flutter_easyloading.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:mobile_pos/Provider/product_provider.dart';
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import 'package:mobile_pos/Screens/Products/add%20product/add_product.dart';
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import 'package:mobile_pos/constant.dart';
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import 'package:permission_handler/permission_handler.dart';
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import '../../../GlobalComponents/glonal_popup.dart';
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import '../../../Provider/add_to_cart_purchase.dart';
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import '../../../http_client/custome_http_client.dart';
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import '../../../service/check_user_role_permission_provider.dart';
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import '../../Products/add product/modle/create_product_model.dart';
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import '../Repo/purchase_repo.dart';
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class BulkPurchaseUploader extends ConsumerStatefulWidget {
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const BulkPurchaseUploader({super.key});
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@override
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ConsumerState<BulkPurchaseUploader> createState() => _BulkPurchaseUploaderState();
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}
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class _BulkPurchaseUploaderState extends ConsumerState<BulkPurchaseUploader> {
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String? filePat;
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File? file;
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String getFileExtension(String fileName) {
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return fileName.split('/').last;
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}
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Future<void> createExcelFile() async {
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if (!await Permission.storage.request().isDenied) {
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EasyLoading.showError('Storage permission is required to create Excel file!');
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return;
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}
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EasyLoading.show();
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final List<e.CellValue> excelData = [
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e.TextCellValue('SL'),
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e.TextCellValue('Product Code*'),
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e.TextCellValue('Purchase Quantity*'),
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e.TextCellValue('Purchase Price'),
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e.TextCellValue('Profit Percent %'),
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e.TextCellValue('Sale Price'),
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e.TextCellValue('Wholesale Price'),
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e.TextCellValue('Dealer Price'),
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e.TextCellValue('Batch No'),
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e.TextCellValue('Mfg Date'),
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e.TextCellValue('Expire Date'),
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];
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e.CellStyle cellStyle = e.CellStyle(
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bold: true,
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textWrapping: e.TextWrapping.WrapText,
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rotation: 0,
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);
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var excel = e.Excel.createExcel();
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var sheet = excel['Sheet1'];
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sheet.appendRow(excelData);
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for (int i = 0; i < excelData.length; i++) {
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var cell = sheet.cell(e.CellIndex.indexByColumnRow(columnIndex: i, rowIndex: 0));
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cell.cellStyle = cellStyle;
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}
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const downloadsFolderPath = '/storage/emulated/0/Download/';
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Directory dir = Directory(downloadsFolderPath);
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final file = File('${dir.path}/${appsName}_bulk_purchase_upload.xlsx');
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if (await file.exists()) {
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EasyLoading.showSuccess('The Excel file has already been downloaded');
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} else {
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await file.writeAsBytes(excel.encode()!);
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EasyLoading.showSuccess('Downloaded successfully in download folder');
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}
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}
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@override
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Widget build(BuildContext context) {
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final permissionService = PermissionService(ref);
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return GlobalPopup(
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child: Scaffold(
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backgroundColor: kWhite,
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appBar: AppBar(
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title: const Text('Excel Uploader'),
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),
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body: Center(
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisSize: MainAxisSize.min,
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children: [
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Visibility(
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visible: file != null,
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child: Padding(
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padding: const EdgeInsets.only(bottom: 20),
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child: Card(
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child: ListTile(
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leading: Container(
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height: 40,
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width: 40,
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padding: const EdgeInsets.all(2),
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decoration: BoxDecoration(
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border: Border.all(color: Colors.grey),
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borderRadius: const BorderRadius.all(Radius.circular(10)),
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),
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child: const Image(image: AssetImage('images/excel.png'))),
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title: Text(
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getFileExtension(file?.path ?? ''),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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trailing: GestureDetector(
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onTap: () {
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setState(() {
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file = null;
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});
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},
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child: const Text('Remove')))),
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),
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),
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Visibility(
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visible: file == null,
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child: const Padding(
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padding: EdgeInsets.only(bottom: 20),
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child: Image(
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height: 100,
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width: 100,
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image: AssetImage('images/file-upload.png'),
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)),
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),
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ElevatedButton(
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style: const ButtonStyle(backgroundColor: WidgetStatePropertyAll(kMainColor)),
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onPressed: () async {
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if (!permissionService.hasPermission(Permit.bulkUploadsCreate.value)) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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backgroundColor: Colors.red,
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content: Text('You do not have permission to upload bulk.'),
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),
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);
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return;
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}
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if (file == null) {
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await pickAndUploadFile(ref: ref);
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} else {
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EasyLoading.show(status: 'Uploading...');
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await uploadProducts(ref: ref, file: file!, context: context);
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EasyLoading.dismiss();
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}
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},
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child: Text(file == null ? 'Pick and Upload File' : 'Upload', style: const TextStyle(color: Colors.white)),
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),
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TextButton(
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onPressed: () async {
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if (!permissionService.hasPermission(Permit.bulkUploadsRead.value)) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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backgroundColor: Colors.red,
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content: Text('You do not have permission to download file.'),
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),
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);
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return;
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}
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await createExcelFile();
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},
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child: const Text('Download Excel Format'),
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),
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],
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),
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),
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),
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),
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);
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}
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///
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Future<void> pickAndUploadFile({required WidgetRef ref}) async {
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const XTypeGroup typeGroup = XTypeGroup(
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label: 'Excel Files',
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extensions: ['xlsx'],
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);
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final XFile? fileResult = await openFile(acceptedTypeGroups: [typeGroup]);
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if (fileResult != null) {
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final File files = File(fileResult.path);
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setState(() {
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file = files;
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});
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} else {
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print("No file selected");
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}
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}
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Future<void> uploadProducts({
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required File file,
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required WidgetRef ref,
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required BuildContext context,
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}) async {
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try {
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final purchaseCart = ref.watch(cartNotifierPurchaseNew);
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e.Excel excel = e.Excel.decodeBytes(file.readAsBytesSync());
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var sheet = excel.sheets.keys.first;
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var table = excel.tables[sheet]!;
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for (var row in table.rows) {
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CartProductModelPurchase? data = await createProductModelFromExcelData(row: row, ref: ref);
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if (data != null) purchaseCart.addToCartRiverPod(cartItem: data, isVariation: data.productType == ProductType.variant.name);
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}
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Future.delayed(const Duration(seconds: 1), () {
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EasyLoading.showSuccess('Upload Done');
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int count = 0;
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Navigator.popUntil(context, (route) {
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return count++ == 1;
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});
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});
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} catch (e) {
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EasyLoading.showError(e.toString());
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return;
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}
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}
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Future<CartProductModelPurchase?> createProductModelFromExcelData({required List<e.Data?> row, required WidgetRef ref}) async {
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Future<CartProductModelPurchase?> getProductFromDatabase({required WidgetRef ref, required String givenProductCode}) async {
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final products = ref.watch(productProvider);
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CartProductModelPurchase? cartProductModel;
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// Wait for the category data to load
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await products.when(
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data: (product) async {
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for (var element in product) {
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if (element.productCode?.toLowerCase().trim() == givenProductCode.toLowerCase().trim()) {
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cartProductModel = CartProductModelPurchase(
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productId: element.id ?? 0,
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vatRate: element.vat?.rate ?? 0,
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productName: element.productName ?? '',
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vatAmount: element.vatAmount ?? 0,
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vatType: element.vatType ?? '',
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productWholeSalePrice: 0,
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productDealerPrice: 0,
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productPurchasePrice: 0,
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productSalePrice: 0,
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productType: element.productType ?? 'single',
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quantities: 0,
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stock: 0,
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brandName: '',
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profitPercent: 0,
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mfgDate: '',
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expireDate: '',
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batchNumber: '',
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);
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return cartProductModel;
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}
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}
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},
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error: (error, stackTrace) {},
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loading: () {},
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);
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return cartProductModel;
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}
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CartProductModelPurchase? productModel;
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// Loop through the row data
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for (var element in row) {
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if (element?.rowIndex == 0) {
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// Skip header row
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return null;
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}
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switch (element?.columnIndex) {
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case 1: // Product code
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if (element?.value == null) return null;
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productModel = await getProductFromDatabase(ref: ref, givenProductCode: element?.value.toString() ?? '');
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break;
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case 2: // Product quantity
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if (element?.value == null) return null;
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productModel?.quantities = num.tryParse(element?.value.toString() ?? '0');
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break;
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case 3: // purchase price
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productModel?.productPurchasePrice = num.tryParse(element?.value.toString() ?? '') ?? 0;
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break;
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case 4: // profit percent
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productModel?.profitPercent = num.tryParse(element?.value.toString() ?? '') ?? 0;
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break;
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case 5: // sales price
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productModel?.productSalePrice = num.tryParse(element?.value.toString() ?? '') ?? 0;
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break;
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case 6: // wholesale price
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productModel?.productWholeSalePrice = num.tryParse(element?.value.toString() ?? '') ?? 0;
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break;
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case 7: //dealer price
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if (element?.value != null) {
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productModel?.productDealerPrice = num.tryParse(element?.value.toString() ?? '') ?? 0;
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}
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break;
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case 8: // Batch (optional)
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if (element?.value != null) {
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productModel?.batchNumber = element?.value.toString() ?? '';
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}
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break;
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case 9: // mgf date (optional)
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if (element?.value != null) {
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productModel?.mfgDate = element?.value.toString() ?? '';
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}
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break;
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case 10: // expire date (optional)
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if (element?.value != null) {
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productModel?.expireDate = element?.value.toString() ?? '';
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}
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break;
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}
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}
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// Return null if any of the required fields are missing
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if (productModel?.productName == null || productModel?.quantities == null) {
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return null;
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}
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return productModel;
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}
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}
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