lab 4 done

lib/domain/models/card.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class CardData {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+
+  CardData(
+    this.text, {
+    required this.descriptionText,
+    this.icon = Icons.ac_unit_outlined,
+    this.imageUrl,
+  });
+}

lib/main.dart

@@ -16,7 +16,7 @@ class MyApp extends StatelessWidget {
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Yackobchuk S.V.'),
+      home: const MyHomePage(title: 'The coolest hamsters on earth ^^'),
     );
   }
 }

lib/presentation/details_page/details_page.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_labs/domain/models/card.dart';
+
+class DetailsPage extends StatelessWidget {
+  final CardData data;
+
+  const DetailsPage(this.data, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.only(bottom: 16.0),
+            child: Image.network(
+              data.imageUrl ?? '',
+            ),
+          ),
+          Padding(
+            padding: const EdgeInsets.only(bottom: 4.0),
+            child: Text(
+              data.text,
+              style: Theme.of(context).textTheme.headlineLarge,
+            ),
+          ),
+          Text(
+            data.descriptionText,
+            style: Theme.of(context).textTheme.bodyLarge,
+          )
+        ],
+      ),
+    );
+  }
+}

lib/presentation/home_page/card.dart

@@ -1,39 +1,159 @@
 part of 'home_page.dart';
 
-class _CardData{
+typedef OnLikeCallback = void Function(String title, bool isLiked)?;
-  final String text;
-  final String descriptionText;
-  final IconData icon;
-  final String? imageUrl;
-
-  _CardData(
-      this.text,  {
-        required this.descriptionText,
-        this.icon= Icons.ac_unit_outlined,
-        this.imageUrl,
-      });
-}
 
 class _Card extends StatefulWidget {
   final String text;
   final String descriptionText;
   final IconData icon;
   final String? imageUrl;
+  final OnLikeCallback onLike;
+  final VoidCallback? onTap;
 
   const _Card(
     this.text, {
     this.icon = Icons.ac_unit_outlined,
     required this.descriptionText,
     this.imageUrl,
+    this.onLike,
+    this.onTap,
   });
 
-  factory _Card.fromData(_CardData data) => _Card(
+  factory _Card.fromData(
+    CardData data, {
+    OnLikeCallback onLike,
+    VoidCallback? onTap,
+  }) =>
+      _Card(
         data.text,
         descriptionText: data.descriptionText,
         icon: data.icon,
         imageUrl: data.imageUrl,
+        onLike: onLike,
+        onTap: onTap,
       );
 
   @override
   State<_Card> createState() => _CardState();
 }
+
+class _CardState extends State<_Card> {
+  bool isLiked = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: widget.onTap,
+      child: Container(
+        margin: const EdgeInsets.all(16),
+        constraints: const BoxConstraints(minHeight: 140),
+        decoration: BoxDecoration(
+          color: Colors.white70,
+          borderRadius: BorderRadius.circular(20),
+          boxShadow: [
+            BoxShadow(
+              color: Colors.grey.withOpacity(.5),
+              spreadRadius: 4,
+              offset: const Offset(0, 5),
+              blurRadius: 8,
+            ),
+          ],
+        ),
+        child: IntrinsicHeight(
+          child: Row(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              ClipRRect(
+                borderRadius: const BorderRadius.only(
+                  bottomLeft: Radius.circular(20),
+                  topLeft: Radius.circular(20),
+                ),
+                child: SizedBox(
+                  height: double.infinity,
+                  width: 120,
+                  child: Stack(
+                    children: [
+                      Positioned.fill(
+                        child: Image.network(
+                          widget.imageUrl ?? '',
+                          fit: BoxFit.cover,
+                          errorBuilder: (_, __, ___) => const Placeholder(),
+                        ),
+                      ),
+                      Align(
+                        alignment: Alignment.bottomLeft,
+                        child: Container(
+                          decoration: const BoxDecoration(
+                              color: Colors.orangeAccent,
+                              borderRadius: BorderRadius.only(
+                                topRight: Radius.circular(20),
+                                //
+                              )),
+                          padding: const EdgeInsets.fromLTRB(8, 2, 8, 2),
+                          child: Text(
+                            'скидок нет',
+                            style: Theme.of(context)
+                                .textTheme
+                                .bodyMedium
+                                ?.copyWith(color: Colors.black),
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+              Expanded(
+                child: Padding(
+                  padding: const EdgeInsets.only(left: 16.0),
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        widget.text,
+                        style: Theme.of(context).textTheme.headlineLarge,
+                      ),
+                      Text(
+                        widget.descriptionText,
+                        style: Theme.of(context).textTheme.bodyLarge,
+                      )
+                    ],
+                  ),
+                ),
+              ),
+              Align(
+                alignment: Alignment.bottomRight,
+                child: Padding(
+                  padding: const EdgeInsets.only(
+                    left: 8.0,
+                    right: 16,
+                    bottom: 16,
+                  ),
+                  child: GestureDetector(
+                    onTap: () {
+                      setState(() => isLiked = !isLiked);
+                      widget.onLike?.call(widget.text, isLiked);
+                    },
+                    child: AnimatedSwitcher(
+                      duration: const Duration(microseconds: 200),
+                      child: isLiked
+                          ? const Icon(
+                              Icons.favorite,
+                              color: Colors.redAccent,
+                              key: ValueKey<int>(0),
+                            )
+                          : const Icon(
+                              Icons.favorite_border,
+                              key: ValueKey<int>(1),
+                            ),
+                    ),
+                  ),
+                ),
+              )
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home_page/home_page.dart

@@ -1,4 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_labs/presentation/details_page/details_page.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_labs/domain/models/card.dart';
 
 part 'card.dart';
 
@@ -32,130 +35,57 @@ class Body extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final data = [
-      _CardData(
+      CardData('mouse',
-          'mouse',
           descriptionText: 'hahaha',
           icon: Icons.abc,
           imageUrl:
-          'https://sun34-1.userapi.com/impg/_DLT-op0LbBdgh5h-ILvC7IMDY5kbLR349v7vA/tX7vtk6mNlA.jpg?size=736x736&quality=96&sign=47f2b0f63bf249c62f4498fb637695d5&type=album'
+              'https://sun34-1.userapi.com/impg/_DLT-op0LbBdgh5h-ILvC7IMDY5kbLR349v7vA/tX7vtk6mNlA.jpg?size=736x736&quality=96&sign=47f2b0f63bf249c62f4498fb637695d5&type=album'),
-      ),
+      CardData('mouse2',
-      _CardData(
-          'mouse2',
           descriptionText: 'ahahaha',
           icon: Icons.access_alarm_outlined,
           imageUrl:
-          'https://sun165-1.userapi.com/impg/EVLbaLilqr8xw5tsqZLQQb6DSYrdKo7Q9sYSsw/H4FRwyMR6Ec.jpg?size=1280x960&quality=96&sign=f606e4ae3d1ccd27917cd1ffa6d91e58&type=album'
+              'https://sun165-1.userapi.com/impg/EVLbaLilqr8xw5tsqZLQQb6DSYrdKo7Q9sYSsw/H4FRwyMR6Ec.jpg?size=1280x960&quality=96&sign=f606e4ae3d1ccd27917cd1ffa6d91e58&type=album'),
-      ),
+      CardData('mouse3',
-      _CardData(
-          'mouse3',
           descriptionText: 'eeee',
           icon: Icons.access_alarm_rounded,
           imageUrl:
-          'https://sun165-1.userapi.com/impg/Jxmp-zwq--f7KagZ6HuImLY7HrgQo-kyP1xhmw/JejdXP88_VE.jpg?size=736x981&quality=96&sign=5597f4d123422be17118ff4b1f570a9d&type=album'
+              'https://sun165-1.userapi.com/impg/Jxmp-zwq--f7KagZ6HuImLY7HrgQo-kyP1xhmw/JejdXP88_VE.jpg?size=736x981&quality=96&sign=5597f4d123422be17118ff4b1f570a9d&type=album'),
-      ),
     ];
 
     return Center(
       child: SingleChildScrollView(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
-            children: data.map((e) => _Card.fromData(e)).toList(),
+          children: data.map((data) {
-          )
+            return _Card.fromData(
+              data,
+              onLike: (String title, bool isLiked) =>
+                  _showSnackBar(context, title, isLiked),
+              onTap: () => _navToDetails(context, data),
+            );
+          }).toList(),
+        ),
       ),
     );
   }
+
+  void _navToDetails(BuildContext context, CardData data) {
+    Navigator.push(
+      context,
+      CupertinoPageRoute(builder: (context) => DetailsPage(data)),
+    );
   }
 
-class _CardState extends State<_Card> {
+  void _showSnackBar(BuildContext context, String title, bool isLiked) {
-  bool isLiked = false;
+    WidgetsBinding.instance.addPostFrameCallback((_) {
-
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-  @override
+        content: Text(
-  Widget build(BuildContext context) {
+          'Cute hamster $title ${isLiked ? 'liked!' : 'disliked :('}',
-    return Container(
-      margin: const EdgeInsets.all(16),
-      constraints: const BoxConstraints(minHeight: 140),
-      decoration: BoxDecoration(
-        color: Colors.white70,
-        borderRadius: BorderRadius.circular(20),
-        boxShadow: [
-          BoxShadow(
-            color: Colors.grey.withOpacity(.5),
-            spreadRadius: 4,
-            offset: const Offset(0, 5),
-            blurRadius: 8,
-          ),
-        ],
-      ),
-      child: IntrinsicHeight(
-        child: Row(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            ClipRRect(
-              borderRadius: const BorderRadius.only(
-                bottomLeft: Radius.circular(20),
-                topLeft: Radius.circular(20),
-              ),
-              child: SizedBox(
-                height: double.infinity,
-                width: 120,
-                child: Image.network(
-                  widget.imageUrl ?? '',
-                  fit: BoxFit.cover,
-                  errorBuilder: (_, __, ___) => const Placeholder(),
-                ),
-              ),
-            ),
-            Expanded (
-              child: Padding(
-                padding: const EdgeInsets.only(left: 16.0),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Text(
-                      widget.text,
-                      style: Theme.of(context).textTheme.headlineLarge,
-                    ),
-                    Text(
-                      widget.descriptionText,
           style: Theme.of(context).textTheme.bodyLarge,
-                    )
-                  ],
         ),
-              ),
+        backgroundColor: Colors.orangeAccent,
-            ),
+        duration: const Duration(seconds: 1),
-            Align(
+      ));
-              alignment: Alignment.bottomRight,
-              child: Padding(
-                padding: const EdgeInsets.only(
-                  left: 8.0,
-                  right: 16,
-                  bottom: 16,
-                ),
-                child: GestureDetector(
-                  onTap: () {
-                    setState(() {
-                      isLiked = !isLiked;
     });
-                  },
-                  child: AnimatedSwitcher(
-                    duration: const Duration(microseconds: 200),
-                    child: isLiked
-                        ? const Icon(
-                      Icons.favorite,
-                      color: Colors.redAccent,
-                      key: ValueKey<int>(0),
-                    )
-                        : const Icon(
-                      Icons.favorite_border,
-                      key: ValueKey<int>(1),
-                    ),
-                  ),
-                ),
-              ),
-            )
-          ],
-        ),
-      ),
-    );
   }
 }