создала вторую ветку
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6
lib/genre.dart
Normal file
6
lib/genre.dart
Normal file
@ -0,0 +1,6 @@
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enum Genre {
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action,
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comedy,
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drama,
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thriller,
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}
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108
lib/main.dart
108
lib/main.dart
@ -1,13 +1,35 @@
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import 'package:flutter/material.dart';
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import 'dart:async';
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import 'movie.dart';
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import 'genre.dart';
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import 'movieGenerator.dart';
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void main() {
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runApp(const MyApp());
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}
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// Расширение для Genre, добавляющее метод для получения описания жанра
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extension GenreExtension on Genre {
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String get description {
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switch (this) {
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case Genre.action:
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return 'Боевик!!!';
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case Genre.comedy:
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return 'Прикольная комедия';
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case Genre.drama:
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return 'Грустная драма';
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case Genre.thriller:
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return 'Психологический триллер';
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}
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}
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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@ -23,8 +45,6 @@ class MyApp extends StatelessWidget {
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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@ -32,39 +52,71 @@ class MyHomePage extends StatefulWidget {
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}
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class _MyHomePageState extends State<MyHomePage> {
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int _counter = 0;
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List<Movie> _movies = [];
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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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_loadMovies();
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}
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Future<void> _loadMovies() async {
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final generator = MovieGenerator(count: 5);
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final movies = await generator.generateMoviesWithDelay();
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final sortedMovies = generator.sortMovies(movies);
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void _incrementCounter() {
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setState(() {
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_counter++;
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_movies = sortedMovies;
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_isLoading = false;
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});
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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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return Scaffold(
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appBar: AppBar(
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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title: Text(widget.title),
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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title: Text(widget.title),
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),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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const Text(
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'You have pushed the button this many times:',
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),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headlineMedium,
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),
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],
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),
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body: _isLoading
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? const Center(child: CircularProgressIndicator())
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: ListView.builder(
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itemCount: _movies.length,
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itemBuilder: (context, index) {
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final movie = _movies[index];
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return ListTile(
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title: Text(movie.title),
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subtitle: Text('Genre: ${movie.genre.description}, Rating: ${movie.rating.toStringAsFixed(1)}'),
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onTap: () {
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showDialog(
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context: context,
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builder: (context) {
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return AlertDialog(
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title: Text(movie.title),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('Genre: ${movie.genre.description}'),
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Text('Rating: ${movie.rating.toStringAsFixed(1)}'),
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],
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),
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actions: [
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text('Close'),
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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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),
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floatingActionButton: FloatingActionButton(
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onPressed: _incrementCounter,
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tooltip: 'Increment',
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child: const Icon(Icons.add),
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), );
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);
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}
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}
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}
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17
lib/movie.dart
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17
lib/movie.dart
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@ -0,0 +1,17 @@
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import 'package:project1/main.dart';
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import 'genre.dart';
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class Movie {
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final String title;
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final Genre genre;
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final double rating;
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Movie({required this.title, required this.genre, required this.rating});
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// Метод для вывода информации о фильме
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void printDetails() {
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print('Title: $title');
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print('Genre: ${genre.description}');
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print('Rating: $rating');
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}
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}
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28
lib/movieGenerator.dart
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28
lib/movieGenerator.dart
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@ -0,0 +1,28 @@
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import 'movie.dart';
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import 'genre.dart';
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import 'dart:math';
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class MovieGenerator {
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final int count;
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MovieGenerator({required this.count});
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// Метод для имитации задержки и генерации списка фильмов
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Future<List<Movie>> generateMoviesWithDelay() async {
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// Имитация задержки
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await Future.delayed(Duration(seconds: 2));
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final random = Random();
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return List.generate(count, (index) {
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final title = 'Movie ${index + 1}';
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final genre = Genre.values[random.nextInt(Genre.values.length)];
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final rating = random.nextDouble() * 10;
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return Movie(title: title, genre: genre, rating: rating);
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});
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}
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// Метод для сортировки списка фильмов по рейтингу
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List<Movie> sortMovies(List<Movie> movies) {
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return movies..sort((a, b) => b.rating.compareTo(a.rating));
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}
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}
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