LabWork03 Some additions

lib/comment_model.dart

@@ -0,0 +1,13 @@
+import 'user_model.dart';
+
+class CommentModel {
+  final String title;
+  final String text;
+  final UserModel user;
+
+  CommentModel({
+    required this.title,
+    required this.text,
+    required this.user,
+  });
+}

lib/comments_widget.dart

@@ -0,0 +1,147 @@
+import 'package:flutter/material.dart';
+
+import 'comment_model.dart';
+import 'user_model.dart';
+
+class CommentsWidget extends StatelessWidget {
+  const CommentsWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final data = [
+      CommentModel(
+        title: 'Oh my god',
+        text: 'this app is so cool ' * 10,
+        user: UserModel(
+          nickname: 'Steve',
+          avatarUrl:
+          'https://preview.free3d.com/img/2016/03/1875481443430303321/hld8c0oa.jpg',
+        ),
+      ),
+      CommentModel(
+        title: 'Listen to me',
+        text: 'This app is like Half-Life 3 - it will never be released',
+        user: UserModel(
+          nickname: 'G-Man',
+          avatarUrl:
+          'https://us-tuna-sounds-images.voicemod.net/356aeabd-18d5-40d8-af31-b479f4eff183-1704672174928.png',
+        ),
+      ),
+      CommentModel(
+        title: 'BREAKING!!!',
+        text: 'The next lab work will have DLC in the form of likes',
+        user: UserModel(
+          nickname: 'Bethesda',
+          avatarUrl: 'https://i.playground.ru/p/BWixorSTeZQfoPvdVL9lgA.jpeg',
+        ),
+      ),
+      CommentModel(
+        title: 'Test',
+        text: 'Test',
+        user: UserModel(
+          nickname: 'Noname',
+        ),
+      ),
+      CommentModel(
+        title: 'Test',
+        text: 'Test',
+        user: UserModel(
+          nickname: 'Noname',
+        ),
+      ),
+    ];
+
+    return SingleChildScrollView(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: data.map((e) => _Comment.fromData(e)).toList(),
+      ),
+    );
+  }
+}
+
+class _Comment extends StatelessWidget {
+  final String title;
+  final String text;
+  final UserModel? user;
+
+  const _Comment({
+    required this.title,
+    required this.text,
+    this.user,
+  });
+
+  factory _Comment.fromData(CommentModel model) => _Comment(
+    title: model.title,
+    text: model.text,
+    user: model.user,
+  );
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: const EdgeInsets.all(16),
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: Colors.white70,
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(color: Colors.grey),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.grey.withOpacity(.5),
+            spreadRadius: 4,
+            offset: const Offset(0, 5),
+            blurRadius: 8,
+          ),
+        ],
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Column(
+            children: [
+              ClipRRect(
+                borderRadius: BorderRadius.circular(30),
+                child: SizedBox(
+                  height: 80,
+                  width: 80,
+                  child: Image.network(
+                    user!.avatarUrl != null && user!.avatarUrl!.isNotEmpty
+                        ? user!.avatarUrl!
+                        : '',
+                    fit: BoxFit.cover,
+                    errorBuilder: (_, __, ___) => const Placeholder(),
+                  ),
+                ),
+              ),
+              const SizedBox(height: 8),
+              Text(
+                user!.nickname,
+                style: Theme.of(context).textTheme.bodyMedium,
+              ),
+            ],
+          ),
+          Expanded(
+            child: Padding(
+              padding: const EdgeInsets.only(left: 16.0),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    title,
+                    style: Theme.of(context).textTheme.headlineSmall,
+                  ),
+                  const SizedBox(height: 8),
+                  Text(
+                    text,
+                    style: Theme.of(context).textTheme.bodyLarge,
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/main.dart

@@ -1,5 +1,9 @@
+import 'dart:math';
+
 import 'package:flutter/material.dart';
 
+import 'comments_widget.dart';
+
 void main() {
   runApp(const MyApp());
 }
@@ -7,31 +11,16 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
+      title: 'Comments App',
+      debugShowCheckedModeBanner: false,
       theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // TRY THIS: Try running your application with "flutter run". You'll see
-        // the application has a purple toolbar. Then, without quitting the app,
-        // try changing the seedColor in the colorScheme below to Colors.green
-        // and then invoke "hot reload" (save your changes or press the "hot
-        // reload" button in a Flutter-supported IDE, or press "r" if you used
-        // the command line to start the app).
-        //
-        // Notice that the counter didn't reset back to zero; the application
-        // state is not lost during the reload. To reset the state, use hot
-        // restart instead.
-        //
-        // This works for code too, not just values: Most code changes can be
-        // tested with just a hot reload.
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const MyHomePage(title: 'Comments App'),
     );
   }
 }
@@ -39,15 +28,6 @@ class MyApp extends StatelessWidget {
 class MyHomePage extends StatefulWidget {
   const MyHomePage({super.key, required this.title});
 
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
   final String title;
 
   @override
@@ -55,71 +35,48 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
+  Color _color = Colors.transparent;
 
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
+  @override
+  void initState() {
+    super.initState();
+    _color = _generateColor();
   }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return Scaffold(
       appBar: AppBar(
-        // TRY THIS: Try changing the color here to a specific color (to
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-        // change color while the other colors stay the same.
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
+        backgroundColor: _color,
+        title: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
             Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
+                widget.title,
+                style: TextStyle(
+                  fontSize: 20,
+                  fontWeight: FontWeight.bold,
+                )),
+            Text(
+              'made by Factorino',
+              style: TextStyle(
+                fontSize: 12,
+                fontStyle: FontStyle.italic,
+              ),
             ),
           ],
         ),
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+      body: const CommentsWidget(),
     );
   }
+
+  Color _generateColor() {
+    final Random random = Random();
+    final int red = (random.nextInt(106) + 150);
+    final int green = (random.nextInt(106) + 150);
+    final int blue = (random.nextInt(106) + 150);
+
+    return Color.fromARGB(255, red, green, blue);
+  }
 }

lib/user_model.dart

@@ -0,0 +1,9 @@
+class UserModel {
+  final String nickname;
+  final String? avatarUrl;
+
+  UserModel({
+    required this.nickname,
+    this.avatarUrl,
+  });
+}