428 lines
16 KiB
Dart
428 lines
16 KiB
Dart
import 'package:cheminova/models/SalesTaskResponse.dart';
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import 'package:cheminova/provider/add_sales_product_provider.dart';
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import 'package:cheminova/widgets/common_app_bar.dart';
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import 'package:cheminova/widgets/common_background.dart';
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import 'package:cheminova/widgets/common_drawer.dart';
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import 'package:cheminova/widgets/common_elevated_button.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:intl/intl.dart';
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import 'package:provider/provider.dart';
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class AddSalesProductScreen extends StatefulWidget {
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// Final properties to store data passed from previous screen
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final String distributorType;
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final String tradeName;
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final String pdRdId;
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final String? inventoryId;
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const AddSalesProductScreen({
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super.key,
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required this.distributorType,
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required this.tradeName,
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required this.pdRdId,
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this.inventoryId,
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});
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@override
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State<AddSalesProductScreen> createState() => _AddSalesProductScreenState();
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}
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class _AddSalesProductScreenState extends State<AddSalesProductScreen> {
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// Controllers for text fields
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final searchController = TextEditingController();
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late AddSalesProvider salesTaskProvider;
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final dateController = TextEditingController();
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final formKey = GlobalKey<FormState>();
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@override
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void initState() {
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super.initState();
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// Initialize the provider and set the current date
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salesTaskProvider = Provider.of<AddSalesProvider>(context, listen: false);
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dateController.text = DateFormat('dd/MM/yyyy').format(DateTime.now());
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WidgetsBinding.instance.addPostFrameCallback((_) {
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salesTaskProvider.getTask();
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});
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}
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@override
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void dispose() {
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// Dispose of the text controllers and reset the provider when the widget is removed
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searchController.dispose();
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dateController.dispose();
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if (mounted) {
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salesTaskProvider.resetProducts();
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}
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return PopScope(
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canPop: true,
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child: CommonBackground(// Common background for the screen
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child: Scaffold(
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backgroundColor: Colors.transparent,
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appBar: CommonAppBar(// Custom AppBar with back button and title
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actions: [
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IconButton(
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onPressed: () => Navigator.pop(context),
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icon: Image.asset('assets/Back_attendance.png'),
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padding: const EdgeInsets.only(right: 20),
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)
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],
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title: Text(
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'${widget.distributorType}\n${widget.tradeName}',
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textAlign: TextAlign.center,
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style: const TextStyle(
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fontSize: 20,
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color: Colors.black,
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fontWeight: FontWeight.w400,
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fontFamily: 'Anek',
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),
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),
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backgroundColor: Colors.transparent,
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elevation: 0,
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),
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drawer: const CommonDrawer(),
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bottomNavigationBar: Consumer<AddSalesProvider>(
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builder: (context, value, child) => Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Align(
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alignment: value.tasksList.isEmpty
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? Alignment.center
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: Alignment.bottomCenter,
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [// Floating button to add products
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FloatingActionButton.extended(
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onPressed: () => _showProductSelectionBottomSheet(context),
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backgroundColor: Colors.white,
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icon: const Icon(Icons.add, color: Colors.black),
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label: const Text('Add Products', style: TextStyle(color: Colors.black)),
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),
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if (value.selectedProducts.isNotEmpty) ...[
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const SizedBox(height: 16.0),
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// Submit button that appears after products are selected
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CommonElevatedButton(
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borderRadius: 30,
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width: double.infinity,
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height: kToolbarHeight - 10,
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text: 'SUBMIT',
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backgroundColor: const Color(0xff004791),
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onPressed: () => _submitProducts(value),
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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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body: Consumer<AddSalesProvider>(// Displays the list of selected products or loading indicator
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builder: (context, value, child) {
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return Stack(
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children: [
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Column(
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children: [
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: TextFormField(// Date selection field
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controller: dateController,
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readOnly: true,
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decoration: const InputDecoration(
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labelText: 'Date',
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fillColor: Colors.white,
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filled: true,
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border: InputBorder.none,
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suffixIcon: Icon(Icons.calendar_today),
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),
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),
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),
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// Display selected products list
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if (value.selectedProducts.isNotEmpty)
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Expanded(
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child: ListView.builder(
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itemCount: value.selectedProducts.length,
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itemBuilder: (context, index) {
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return ProductBlock(
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onUpdate: (updatedProduct) {
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setState(() {
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value.selectedProducts[index] = updatedProduct;
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});
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},
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onRemove: () {
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setState(() {
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value.selectedProducts.removeAt(index);
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});
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},
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product: value.selectedProducts[index],
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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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// Loading indicator
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if (value.isLoading)
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Container(
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color: Colors.black12,
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child: const Center(child: CircularProgressIndicator()),
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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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// Function to show product selection modal bottom sheet
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void _showProductSelectionBottomSheet(BuildContext context) {
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showModalBottomSheet(
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isScrollControlled: true,
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context: context,
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builder: (BuildContext context) {
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return Consumer<AddSalesProvider>(
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builder: (context, value, child) => StatefulBuilder(
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builder: (context, setState) {
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return Column(
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children: [
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Padding(
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padding: const EdgeInsets.all(18.0),
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child: TextField(
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controller: searchController,
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decoration: const InputDecoration(
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labelText: 'Search by name or SKU',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.search),
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),
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onChanged: (val) {// Filter product list based on search query
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value.filterProducts(val);
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setState(() {});
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},
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),
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),
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// List of products to choose from
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Expanded(
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child: ListView.builder(
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itemCount: searchController.text.isEmpty
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? value.tasksList.length
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: value.searchList.length,
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itemBuilder: (context, index) {
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final data = searchController.text.isEmpty
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? value.tasksList[index]
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: value.searchList[index];
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bool isAlreadySelected = value.selectedProducts
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.any((selectedProduct) => selectedProduct.SKU == data.SKU);
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return Card(
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child: ListTile(
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title: Text(
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data.ProductName ?? '',
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style: TextStyle(color: isAlreadySelected ? Colors.grey : Colors.black),
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),
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subtitle: Text(
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data.SKU ?? '',
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style: TextStyle(color: isAlreadySelected ? Colors.grey : Colors.black),
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),
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onTap: isAlreadySelected
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? null
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: () {
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setState(() => value.selectedProducts.add(data));
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Navigator.pop(context);
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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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),
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);
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},
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).whenComplete(() => setState(() {}));// Refresh UI after modal is closed
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}
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// Function to submit selected products
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void _submitProducts(AddSalesProvider value) {
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if (formKey.currentState!.validate()) {
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if (value.selectedProducts.isNotEmpty &&
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value.selectedProducts.every((product) =>
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product.SKU!.isNotEmpty &&
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product.ProductName!.isNotEmpty &&
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product.SalesAmount != null &&
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product.QuantitySold != null)) {
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value.submitProducts(
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distributorType: widget.distributorType,
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pdRdId: widget.pdRdId,
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inventoryId: widget.inventoryId,
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date: dateController.text.trim(),
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tradeName: widget.tradeName,
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);
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} else { // Show error message if any product information is missing
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please fill out all product details, including sale and inventory.'),
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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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// The ProductBlock class remains unchanged
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class ProductBlock extends StatefulWidget {
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final SalesProduct product;
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final ValueChanged<SalesProduct> onUpdate;
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final VoidCallback onRemove;
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const ProductBlock({
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super.key,
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required this.product,
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required this.onUpdate,
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required this.onRemove,
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});
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@override
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State<ProductBlock> createState() => _ProductBlockState();
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}
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class _ProductBlockState extends State<ProductBlock> {
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final saleAmountController = TextEditingController();
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final quantitySoldController = TextEditingController();
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final commentController = TextEditingController();
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String? errorMessage;
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@override
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void initState() {
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super.initState();
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saleAmountController.text = (widget.product.SalesAmount ?? '').toString();
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commentController.text = (widget.product.comments ?? '').toString();
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quantitySoldController.text = (widget.product.QuantitySold ?? '').toString();
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}
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void validateInput() {
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setState(() {
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String? quantitySoldError;
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String? salesAmountError;
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if (saleAmountController.text.isEmpty) {
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quantitySoldError = 'Quantity sold cannot be empty.';
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}
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if (quantitySoldController.text.isEmpty) {
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salesAmountError = 'Sales amount cannot be empty.';
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}
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errorMessage = null;
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if (quantitySoldError == null && salesAmountError == null) {
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int quantitySold = int.parse(quantitySoldController.text);
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int salesAmount = int.parse(saleAmountController.text);
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String comments = commentController.text;
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widget.onUpdate(SalesProduct(
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SKU: widget.product.SKU,
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ProductName: widget.product.ProductName,
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QuantitySold: quantitySold,
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SalesAmount: salesAmount,
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comments: comments,
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));
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} else {
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errorMessage = quantitySoldError ?? salesAmountError;
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}
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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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return Card(
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color: Colors.white,
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margin: const EdgeInsets.all(8),
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child: Stack(
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children: [
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Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('Product: ${widget.product.ProductName}',
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style: const TextStyle(fontSize: 16)),
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Text('SKU: ${widget.product.SKU}',
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style: const TextStyle(fontSize: 15)),
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const SizedBox(height: 8),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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TextField(
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controller: saleAmountController,
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onTapOutside: (event) => FocusScope.of(context).unfocus(),
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inputFormatters: [FilteringTextInputFormatter.digitsOnly],
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decoration: InputDecoration(
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labelText: 'Sales amount',
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errorText: saleAmountController.text.isEmpty
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? 'Sales amount cannot be empty.'
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: null,
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),
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keyboardType: TextInputType.number,
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enabled: true,
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onChanged: (_) => validateInput(),
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),
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TextField(
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controller: quantitySoldController,
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onTapOutside: (event) => FocusScope.of(context).unfocus(),
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inputFormatters: [FilteringTextInputFormatter.digitsOnly],
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decoration: InputDecoration(
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labelText: 'Quantity sold',
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errorText: quantitySoldController.text.isEmpty
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? 'Quantity sold cannot be empty.'
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: null,
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),
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keyboardType: TextInputType.number,
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enabled: true,
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onChanged: (_) => validateInput(),
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),
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TextField(
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controller: commentController,
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onTapOutside: (event) => FocusScope.of(context).unfocus(),
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decoration: const InputDecoration(
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labelText: 'Comments',
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),
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enabled: true,
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onChanged: (_) => validateInput(),
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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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Positioned(
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top: 0,
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right: 0,
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child: IconButton(
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icon: const Icon(
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Icons.delete_outlined,
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color: Colors.red,
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),
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onPressed: widget.onRemove,
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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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@override
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void dispose() {
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saleAmountController.dispose();
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quantitySoldController.dispose();
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commentController.dispose();
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super.dispose();
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}
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} |