Adding items to cart

2024-05-02 17:02:43 +03:00
parent 727c04d368
commit ff29598ec5
8 changed files with 354 additions and 43 deletions
--- a/lib/components/item_card.dart
+++ b/lib/components/item_card.dart
@@ -37,16 +37,6 @@ class ProductCard extends StatelessWidget {
              Text('\$$price', style: Theme.of(context).textTheme.titleSmall),
            ],
          ),
-          // child: Column(
-          //   mainAxisSize: MainAxisSize.min,
-          //   children: [
-          //     imagePath,
-          //     const SizedBox(height: 16),
-          //     Text(name, style: Theme.of(context).textTheme.titleLarge),
-          //     const SizedBox(height: 8),
-          //     Text('\$$price', style: Theme.of(context).textTheme.titleSmall),
-          //   ],
-          // ),
        ),
      ),
    );
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -4,7 +4,7 @@ import 'dart:js_interop_unsafe' as js_util;

 import 'package:flutter/material.dart';
 import 'package:gymlink_module_web/components/app_bar.dart';
-import 'package:gymlink_module_web/components/card.dart';
+import 'package:gymlink_module_web/components/item_card.dart';
 import 'package:gymlink_module_web/pages/basket.dart';
 import 'package:gymlink_module_web/pages/detail.dart';
 import 'package:gymlink_module_web/pages/order_history.dart';
@@ -147,7 +147,9 @@ class _MainPageState extends State<MainPage> {
                                onPressed: _goToPage,
                                style: ElevatedButton.styleFrom(
                                  padding: const EdgeInsets.symmetric(
-                                      vertical: 8, horizontal: 0),
+                                    vertical: 8,
+                                    horizontal: 0,
+                                  ),
                                  minimumSize:
                                      const Size(50, kMinInteractiveDimension),
                                  backgroundColor:
--- a/lib/pages/basket.dart
+++ b/lib/pages/basket.dart
@@ -2,10 +2,15 @@ import 'package:flutter/material.dart';
 import 'package:gymlink_module_web/components/app_bar.dart';
 import 'package:gymlink_module_web/components/heading.dart';

-class BasketPage extends StatelessWidget {
-  const BasketPage({
-    super.key,
-  });
+//TODO: Вывод корзины из shared_prefs
+class BasketPage extends StatefulWidget {
+  const BasketPage({super.key});
+
+  @override
+  State<BasketPage> createState() => _BasketPageState();
+}
+
+class _BasketPageState extends State<BasketPage> {
  @override
  Widget build(BuildContext context) {
    return const Scaffold(
--- a/lib/pages/detail.dart
+++ b/lib/pages/detail.dart
@@ -1,28 +1,105 @@
 import 'package:flutter/material.dart';
 import 'package:gymlink_module_web/components/app_bar.dart';
 import 'package:gymlink_module_web/components/heading.dart';
+import 'package:gymlink_module_web/tools/prefs.dart';

 //TODO: Сделать получение инфы через объект
-class DetailPage extends StatelessWidget {
+class DetailPage extends StatefulWidget {
  final String name;
  final String description;
  final String price;
  final String id;
  final Image image;
-  const DetailPage(
-      {super.key,
-      required this.name,
-      required this.description,
-      required this.price,
-      required this.id,
-      required this.image});
+  const DetailPage({
+    super.key,
+    required this.name,
+    required this.description,
+    required this.price,
+    required this.id,
+    required this.image,
+  });
+
+  @override
+  State<DetailPage> createState() => _DetailPageState();
+}
+
+class _DetailPageState extends State<DetailPage> {
+  bool isInCart = false;
+  int quantity = 0;
+
+  @override
+  void initState() {
+    super.initState();
+    getCart().then((value) {
+      debugPrint(value.toString());
+      setState(() {
+        isInCart = value.any((element) => element['id'] == widget.id);
+        if (isInCart) {
+          quantity = value
+              .firstWhere((element) => element['id'] == widget.id)['count'];
+        }
+      });
+    });
+  }
+
+  Widget _buildButton() {
+    if (!isInCart) {
+      return ElevatedButton(
+        onPressed: () async {
+          await addItemToCart(widget.id);
+          setState(() {
+            isInCart = true;
+            quantity = 1;
+          });
+        },
+        style: ElevatedButton.styleFrom(
+            backgroundColor: Theme.of(context).primaryColor,
+            shape: const RoundedRectangleBorder(
+              borderRadius: BorderRadius.all(Radius.circular(50)),
+            ),
+            foregroundColor: Colors.white,
+            padding: const EdgeInsetsDirectional.fromSTEB(34, 10, 34, 10)),
+        child: const Text('Добавить в корзину'),
+      );
+    } else {
+      return Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          IconButton(
+            icon: const Icon(Icons.remove),
+            onPressed: () async {
+              await removeItemFromCart(widget.id);
+              setState(() {
+                if (quantity > 1) {
+                  quantity--;
+                } else {
+                  isInCart = false;
+                  quantity = 0;
+                }
+              });
+            },
+          ),
+          Text('$quantity'),
+          IconButton(
+            icon: const Icon(Icons.add),
+            onPressed: () async {
+              await addItemToCart(widget.id);
+              setState(() {
+                quantity++;
+              });
+            },
+          ),
+        ],
+      );
+    }
+  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: const GymLinkAppBar(),
      body: Column(mainAxisAlignment: MainAxisAlignment.start, children: [
-        GymLinkHeader(title: '$name - $id'),
+        GymLinkHeader(title: '${widget.name} - ${widget.id}'),
        Expanded(
          child: SingleChildScrollView(
            child: Padding(
@@ -33,7 +110,7 @@ class DetailPage extends StatelessWidget {
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceAround,
                  children: [
-                    image,
+                    widget.image,
                    Padding(
                      padding:
                          const EdgeInsetsDirectional.fromSTEB(0, 30, 60, 60),
@@ -50,7 +127,7 @@ class DetailPage extends StatelessWidget {
                            padding: const EdgeInsetsDirectional.fromSTEB(
                                20, 15, 10, 15),
                            child: Text(
-                              description,
+                              widget.description,
                              style: Theme.of(context).textTheme.bodyMedium,
                            ),
                          ),
@@ -66,24 +143,10 @@ class DetailPage extends StatelessWidget {
                          mainAxisSize: MainAxisSize.min,
                          children: [
                            Text(
-                              'Стоимость $price',
+                              'Стоимость ${widget.price}',
                              style: Theme.of(context).textTheme.bodyLarge,
                            ),
-                            ElevatedButton(
-                              onPressed: () => {},
-                              style: ElevatedButton.styleFrom(
-                                  backgroundColor:
-                                      Theme.of(context).primaryColor,
-                                  shape: const RoundedRectangleBorder(
-                                    borderRadius: BorderRadius.all(
-                                      Radius.circular(50),
-                                    ),
-                                  ),
-                                  foregroundColor: Colors.white,
-                                  padding: const EdgeInsetsDirectional.fromSTEB(
-                                      34, 10, 34, 10)),
-                              child: const Text('Добавить в корзину'),
-                            )
+                            _buildButton()
                          ],
                        ),
                      ),
--- a/lib/tools/prefs.dart
+++ b/lib/tools/prefs.dart
@@ -0,0 +1,42 @@
+import 'dart:convert';
+
+import 'package:shared_preferences/shared_preferences.dart';
+
+Future<void> addItemToCart(String id) async {
+  final prefs = await SharedPreferences.getInstance();
+  String cartString = prefs.getString('cart') ?? "[]";
+  List<Map<String, dynamic>> cart =
+      List<Map<String, dynamic>>.from(jsonDecode(cartString) as List<dynamic>);
+  final index = cart.indexWhere((element) => element['id'] == id);
+  if (index == -1) {
+    cart.add({'id': id, 'count': 1});
+  } else {
+    cart[index]['count'] = cart[index]['count']! + 1;
+  }
+  prefs.setString('cart', jsonEncode(cart));
+}
+
+Future<List<Map<String, dynamic>>> getCart() async {
+  final prefs = await SharedPreferences.getInstance();
+  String cartString = prefs.getString('cart') ?? "[]";
+  List<Map<String, dynamic>> cart =
+      List<Map<String, dynamic>>.from(jsonDecode(cartString) as List<dynamic>);
+  return cart;
+}
+
+Future<void> removeItemFromCart(String id) async {
+  final prefs = await SharedPreferences.getInstance();
+  String cartString = prefs.getString('cart') ?? "[]";
+  List<Map<String, dynamic>> cart =
+      List<Map<String, dynamic>>.from(jsonDecode(cartString) as List<dynamic>);
+  cart.removeWhere((element) => element['id'] == id && element['count'] == 1);
+  for (final item in cart) {
+    if (item['id'] == id) {
+      item['count'] = item['count']! - 1;
+      if (item['count'] == 0) {
+        cart.remove(item);
+      }
+    }
+  }
+  prefs.setString('cart', jsonEncode(cart));
+}
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -5,8 +5,10 @@
 import FlutterMacOS
 import Foundation

+import shared_preferences_foundation
 import url_launcher_macos

 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -57,6 +57,22 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.0"
  flutter:
    dependency: "direct main"
    description: flutter
@@ -75,6 +91,11 @@ packages:
    description: flutter
    source: sdk
    version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
  leak_tracker:
    dependency: transitive
    description:
@@ -139,6 +160,102 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "1.9.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: "8bc9f22eee8690981c22aa7fc602f5c85b497a6fb2ceb35ee5a5e5ed85ad8170"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "12220bb4b65720483f8fa9450b4332347737cf8213dd2840d8b2c823e47243ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.4"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: d3bbe5553a986e83980916ded2f0b435ef2e1893dfaa29d5a7a790d0eca12180
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.3"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: "1ee8bf911094a1b592de7ab29add6f826a7331fb854273d55918693d5364a1f2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "7708d83064f38060c7b39db12aefe449cb8cdc031d6062280087bc4cdb988f5c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.5"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "9f2cbcf46d4270ea8be39fa156d86379077c8a5228d9dfdb1164ae0bb93f1faa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "22e2ecac9419b4246d7c22bfbbda589e3acf5c0351137d87dd2939d984d37c3b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: "9aee1089b36bd2aafe06582b7d7817fd317ef05fc30e6ba14bff247d0933042a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "841ad54f3c8381c480d0c9b508b89a34036f512482c407e6df7a9c4aa2ef8f59"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
  sky_engine:
    dependency: transitive
    description: flutter
@@ -192,6 +309,70 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "0.6.1"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: "6ce1e04375be4eed30548f10a315826fd933c1e493206eab82eed01f438c8d2e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.2.6"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: "360a6ed2027f18b73c8d98e159dda67a61b7f2e0f6ec26e86c3ada33b0621775"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: "9149d493b075ed740901f3ee844a38a00b33116c7c5c10d7fb27df8987fb51d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.2.5"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: ab360eb661f8879369acac07b6bb3ff09d9471155357da8443fd5d3cf7363811
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: b7244901ea3cf489c5335bdacda07264a6e960b1c1b1a9f91e4bc371d9e68234
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "8d9e750d8c9338601e709cd0885f95825086bd8b642547f26bda435aade95d8a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: ecf9725510600aa2bb6d7ddabe16357691b6d2805f66216a97d1b881e21beff7
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
  vector_math:
    dependency: transitive
    description:
@@ -208,5 +389,30 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "13.0.0"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "0eaf06e3446824099858367950a813472af675116bf63f008a4c2a75ae13e9cb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.5.0"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: faea9dee56b520b55a566385b84f2e8de55e7496104adada9962e0bd11bcff1d
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
 sdks:
  dart: ">=3.3.3 <4.0.0"
+  flutter: ">=3.19.0"
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -36,6 +36,7 @@ dependencies:
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^1.0.6
  url_launcher: ^6.2.6
+  shared_preferences: ^2.2.3

 dev_dependencies:
  flutter_test: