353 lines
12 KiB
Dart
353 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:gymlink_module_web/components/app_bar.dart';
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import 'package:gymlink_module_web/components/basket_item_card.dart';
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import 'package:gymlink_module_web/components/heading.dart';
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import 'package:gymlink_module_web/interfaces/items.dart';
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import 'package:gymlink_module_web/pages/main.dart';
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import 'package:gymlink_module_web/pages/order_confirmation.dart';
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import 'package:gymlink_module_web/providers/cart.dart';
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import 'package:gymlink_module_web/tools/items.dart';
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import 'package:gymlink_module_web/tools/prefs.dart';
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import 'package:gymlink_module_web/tools/routes.dart';
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import 'package:gymlink_module_web/tools/text.dart';
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import 'package:lazy_load_scrollview/lazy_load_scrollview.dart';
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import 'package:provider/provider.dart';
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List<Map<String, dynamic>> cart = [
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{
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"name": "Протеин",
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"image": "product.png",
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"price": "120",
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"details": "Test details",
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"id": "34fa3126-bfaf-5dec-8f4a-b246c097ef73"
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},
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{
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"name": "Протеин",
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"image": "product.png",
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"price": "150",
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"details": "Test details",
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"id": "34a26e82-7656-5e98-a44a-c2d01d0b1ad1123"
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},
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{
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"name": "Протеин",
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"image": "product.png",
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"price": "250",
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"details": "Test details",
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"id": "4fb204b7-3f9e-52a2-bed1-415c00a31a37123"
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},
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{
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"name": "Протеин",
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"image": "product.png",
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"price": "300",
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"details": "Test details",
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"id": "09b2f5bb-683e-5c39-ae89-b8e152fa8bcf123"
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},
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{
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"name": "Протеин",
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"image": "product.png",
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"price": "100",
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"details": "Test details",
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"id": "cd1b6817-db94-5394-be1d-af88af79749f123"
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}
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];
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class BasketPage extends StatefulWidget {
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const BasketPage({super.key});
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@override
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State<BasketPage> createState() => _BasketPageState();
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}
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class _BasketPageState extends State<BasketPage> {
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List<GymItem> cartItems = [];
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double totalPrice = 0;
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List<GymItem> gymCart = [];
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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Future.microtask(() => getCart().then((value) async {
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final itemIds =
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value.map((element) => element['id'] as String).toList();
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final items = await getItemsByIds(context, itemIds);
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setState(() {
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gymCart = items;
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cartItems = value.map((element) {
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final item = gymCart.firstWhere((e) => e.id == element['id']);
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item.localCount = element['count'] as int;
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return item;
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}).toList();
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totalPrice = cartItems.fold(
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0, (sum, item) => sum + item.price * item.localCount);
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_isLoading = false;
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});
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}));
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}
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void _updateCart() {
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Provider.of<CartProvider>(context, listen: false).updateCartLength();
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}
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void removeItem(String id) async {
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final item = cartItems.firstWhere((element) => element.id == id);
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bool toDelete = false;
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setState(() {
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if (item.localCount > 1) {
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item.localCount--;
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cartItems[cartItems.indexOf(item)].localCount = item.localCount;
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} else {
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toDelete = true;
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}
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totalPrice =
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cartItems.fold(0, (sum, item) => sum + item.price * item.localCount);
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});
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if (toDelete) {
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await _deleteItemAlert(id, item.title);
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} else {
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await removeItemFromCart(id);
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}
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}
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void addItem(String id) async {
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final item =
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cartItems.firstWhere((element) => element.id == id, orElse: () {
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final cartItem = gymCart.firstWhere((element) => element.id == id);
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cartItem.localCount = 0;
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return cartItem;
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});
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if (item.localCount + 1 > item.count) {
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return;
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}
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setState(() {
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item.localCount++;
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cartItems[cartItems.indexOf(item)].localCount = item.localCount;
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totalPrice =
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cartItems.fold(0, (sum, item) => sum + item.price * item.localCount);
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});
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await addItemToCart(id);
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}
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Future<void> _deleteItemAlert(String id, String name) async {
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return showDialog<void>(
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context: context,
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barrierDismissible: true,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('Удаление из корзины'),
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content: SingleChildScrollView(
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child: ListBody(
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children: [
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Text('Вы действительно хотите убрать "$name" из корзины?'),
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],
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),
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),
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actions: [
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TextButton(
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child: const Text('Отмена'),
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onPressed: () {
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Navigator.of(context).pop();
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},
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),
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TextButton(
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child: const Text('Удалить'),
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onPressed: () {
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removeItemFromCart(id);
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setState(() {
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cartItems.removeWhere((element) => element.id == id);
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});
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if (mounted) {
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_updateCart();
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}
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Navigator.of(context).pop();
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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> _clearCartAlert() async {
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return showDialog<void>(
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context: context,
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barrierDismissible: true,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('Очистка корзины'),
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content: const SingleChildScrollView(
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child: ListBody(
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children: [
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Text('Вы действительно хотите очистить корзину?'),
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],
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),
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),
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actions: [
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TextButton(
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child: const Text('Отмена'),
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onPressed: () {
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Navigator.of(context).pop();
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},
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),
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TextButton(
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child: const Text('Очистить'),
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onPressed: () {
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clearCart();
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setState(() {
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cartItems = [];
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});
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if (mounted) {
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_updateCart();
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}
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Navigator.of(context).pop();
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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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Widget _buildRowOrCol(
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{required BuildContext context, required List<Widget> children}) {
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if (MediaQuery.of(context).size.width > 600) {
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return Row(children: children);
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}
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return Column(children: children);
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}
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Widget _buildSpacer() {
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if (MediaQuery.of(context).size.width > 600) {
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return const Spacer();
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}
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return const SizedBox(height: 10);
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}
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void _onLoad() async {
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await Future.delayed(const Duration(microseconds: 1000));
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setState(() {});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: const GymLinkAppBar(),
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body: Column(
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children: [
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const GymLinkHeader(title: "Корзина"),
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_isLoading
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? const Expanded(
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child: Center(child: CircularProgressIndicator()))
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: cartItems.isEmpty
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? Expanded(
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text('Корзина пуста',
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style: Theme.of(context).textTheme.bodyLarge),
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const SizedBox(height: 10),
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ElevatedButton(
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onPressed: () => Navigator.pushAndRemoveUntil(
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context,
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CustomPageRoute(
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builder: (_) => const MainPage()),
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(route) => route.isFirst),
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style: ElevatedButton.styleFrom(
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backgroundColor: Theme.of(context).primaryColor,
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shape: const RoundedRectangleBorder(
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borderRadius:
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BorderRadius.all(Radius.circular(50)),
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),
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foregroundColor: Colors.white,
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),
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child: const Text('Вернуться назад'),
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),
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],
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),
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),
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)
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: Expanded(
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child: _buildRowOrCol(
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context: context,
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children: [
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Expanded(
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child: LazyLoadScrollView(
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onEndOfPage: _onLoad,
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child: ListView.builder(
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itemCount: cartItems.length,
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itemBuilder: (context, index) {
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final item = cartItems[index];
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return BasketItemCard(
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name: shortString(item.title),
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price: item.price.toStringAsFixed(2),
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id: item.id,
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image: Image(
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image: NetworkImage(item.images[0].url),
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width: 50,
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),
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onTapPlus: () =>
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addItem(item.id.toString()),
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onTapMinus: () {
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removeItem(item.id.toString());
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},
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quantity: item.localCount.toString(),
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);
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},
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),
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),
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),
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_buildSpacer(),
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Padding(
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padding: const EdgeInsetsDirectional.symmetric(
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horizontal: 10, vertical: 10),
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child: Column(
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children: [
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Text(
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'Итого: ${totalPrice.toStringAsFixed(2)} руб.',
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),
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ElevatedButton(
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onPressed: () => Navigator.of(context).push(
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CustomPageRoute(
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builder: (context) =>
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const OrderConfirmationPage(),
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),
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),
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style: ElevatedButton.styleFrom(
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backgroundColor:
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Theme.of(context).primaryColor,
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shape: const RoundedRectangleBorder(
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borderRadius:
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BorderRadius.all(Radius.circular(50)),
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),
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foregroundColor: Colors.white,
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),
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child: const Text('Оформить заказ'),
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),
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const SizedBox(height: 10),
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ElevatedButton(
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onPressed: _clearCartAlert,
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style: ElevatedButton.styleFrom(
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backgroundColor:
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Theme.of(context).primaryColor,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(
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Radius.circular(50))),
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foregroundColor: Colors.white,
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),
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child: const Text('Очистить корзину'),
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),
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],
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),
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),
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const SizedBox(width: 50),
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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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