final

lib/domain/models/card_data.dart

@@ -0,0 +1,6 @@
+class CardData {
+  final String name;
+  final double price;
+
+  CardData({required this.name, required this.price});
+}

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:lab/presentation/home_page/home_page.dart';
 
 void main() {
   runApp(const MyApp());
@@ -11,58 +12,13 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
       theme: ThemeData(
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Дьяконов Руслан ПИбд-33'),
+      home: const MyHomePage(title: 'Lab 4: '),
     );
   }
 }
 
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        title: Text(widget.title),
-      ),
-      body: Center(
-        child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ));
-  }
-}

lib/presentation/details_page/details_page.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import 'package:lab/domain/models/card_data.dart';
+
+class DetailsPage extends StatelessWidget {
+  final CardData data;
+
+  const DetailsPage({super.key, required this.data});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Product ${data.name}'),
+      ),
+      body: SingleChildScrollView(
+        padding: const EdgeInsets.all(30),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Center(
+              child: Image.network(
+                "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTtAT11wKgHrJBUYzIBFogucXg0a9fE0fQXDQ&s",
+                height: 250,
+                width: 250,
+              ),
+            ),
+            const SizedBox(height: 20),
+            Text(
+              "Цена: ${data.price} Руб",
+              style: const TextStyle(fontSize: 25, color: Colors.orange),
+            ),
+            const Text(
+              "Описание: some text some text some text some text some text some text some text some text ",
+              style: TextStyle(fontSize: 18),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home_page/card.dart

@@ -0,0 +1,100 @@
+part of "home_page.dart";
+
+typedef OnLikeFunction = void Function(String text);
+
+class _Card extends StatefulWidget {
+  final String name;
+  final double price;
+
+  final OnLikeFunction? onLike;
+  final VoidCallback? onTap;
+
+  const _Card(
+      {required this.name, required this.price, this.onLike, this.onTap});
+
+  factory _Card.fromData(
+          CardData data, {OnLikeFunction? onLike, VoidCallback? onTap}) =>
+      _Card(
+        name: data.name,
+        price: data.price,
+        onTap: onTap,
+        onLike: onLike,
+      );
+
+  @override
+  State<StatefulWidget> createState() => _CardState();
+}
+
+class _CardState extends State<_Card> {
+  bool _isFavourite = false;
+
+  void toggleIsFavourite() {
+    setState(() {
+      _isFavourite = !_isFavourite;
+    });
+    widget.onLike?.call(_isFavourite
+        ? "Product added in favourite"
+        : "Product deleted from favourite");
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: widget.onTap,
+      child: Container(
+        width: double.infinity,
+        padding:
+            const EdgeInsets.only(top: 15, bottom: 15, left: 30, right: 30),
+        decoration: BoxDecoration(
+            border: Border.all(color: Colors.black12, width: 2),
+            borderRadius: BorderRadius.circular(20)),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: [
+                GestureDetector(
+                  onTap: toggleIsFavourite,
+                  child: AnimatedSwitcher(
+                    duration: const Duration(milliseconds: 200),
+                    child: _isFavourite
+                        ? const Icon(
+                            Icons.favorite,
+                            color: Colors.red,
+                            key: ValueKey<int>(0),
+                          )
+                        : const Icon(
+                            Icons.favorite_border,
+                            color: Colors.red,
+                            key: ValueKey<int>(1),
+                          ),
+                  ),
+                )
+              ],
+            ),
+            Center(
+              child: Image.network(
+                "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTtAT11wKgHrJBUYzIBFogucXg0a9fE0fQXDQ&s",
+                height: 250,
+                width: 250,
+              ),
+            ),
+            Padding(
+              padding: const EdgeInsets.only(top: 50),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(widget.name, style: const TextStyle(fontSize: 17)),
+                  Text("${widget.price} Руб",
+                      style:
+                          const TextStyle(fontSize: 17, color: Colors.orange))
+                ],
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home_page/home_page.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:lab/domain/models/card_data.dart';
+import 'package:lab/presentation/details_page/details_page.dart';
+
+part 'card.dart';
+
+class MyHomePage extends StatefulWidget {
+  const MyHomePage({super.key, required this.title});
+
+  final String title;
+
+  @override
+  State<MyHomePage> createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  void _showSnackBar(BuildContext context, String text) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text(text),
+        duration: const Duration(seconds: 2),
+        backgroundColor: Colors.black54,
+      ));
+    });
+  }
+
+  void _navigateToDetailsPage(BuildContext context, CardData data) {
+    Navigator.push(
+      context,
+      CupertinoPageRoute(builder: (context) => DetailsPage(data: data)),
+    );
+  }
+
+  final cards = [
+    CardData(name: "test 0", price: 11.0),
+    CardData(name: "test 1", price: 22.0)
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+        title: Text(widget.title),
+      ),
+      body: SingleChildScrollView(
+        padding: const EdgeInsets.all(30),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: cards.map((cardData) {
+            return Column(
+              children: [
+                _Card.fromData(
+                  cardData,
+                  onTap: () => _navigateToDetailsPage(context, cardData),
+                  onLike: (String text) => _showSnackBar(context, text),
+                ),
+                const SizedBox(height: 20)
+              ],
+            );
+          }).toList(),
+        ),
+      ),
+    );
+  }
+}