refactor: create separate BLoCs for each screen with comprehensive tests
- Created 8 separate BLoCs (Home, Library, BookDetails, AddBook, Scanner, Categories, Wishlist, Settings) - Each BLoC has its own event, state, and bloc files - Added 70 comprehensive tests covering all BLoC functionality - All tests passing (70/70) - Fixed linting issues and updated deprecated APIs - Improved code organization and maintainability
This commit is contained in:
Yuriy Panov
320
bookshelf_flutter/lib/screens/add_book_screen.dart
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320
bookshelf_flutter/lib/screens/add_book_screen.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import '../bloc/app_bloc.dart';
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import '../bloc/app_event.dart';
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import '../models/models.dart';
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class AddBookScreen extends StatefulWidget {
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final dynamic initialData;
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const AddBookScreen({super.key, this.initialData});
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@override
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State<AddBookScreen> createState() => _AddBookScreenState();
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}
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class _AddBookScreenState extends State<AddBookScreen> {
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final _formKey = GlobalKey<FormState>();
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late TextEditingController _titleController;
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late TextEditingController _authorController;
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late TextEditingController _genreController;
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late TextEditingController _annotationController;
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String? _coverUrl;
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BookStatus _selectedStatus = BookStatus.wantToRead;
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@override
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void initState() {
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super.initState();
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_titleController = TextEditingController();
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_authorController = TextEditingController();
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_genreController = TextEditingController();
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_annotationController = TextEditingController();
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if (widget.initialData is Book) {
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final book = widget.initialData as Book;
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_titleController.text = book.title;
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_authorController.text = book.author;
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_genreController.text = book.genre;
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_annotationController.text = book.annotation;
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_coverUrl = book.coverUrl;
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_selectedStatus = book.status;
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} else if (widget.initialData is Map) {
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final data = widget.initialData as Map<String, dynamic>;
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_titleController.text = data['title']?.toString() ?? '';
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_authorController.text = data['author']?.toString() ?? '';
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_genreController.text = data['genre']?.toString() ?? '';
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_annotationController.text = data['annotation']?.toString() ?? '';
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_coverUrl = data['coverUrl']?.toString();
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}
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}
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@override
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void dispose() {
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_titleController.dispose();
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_authorController.dispose();
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_genreController.dispose();
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_annotationController.dispose();
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super.dispose();
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}
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Future<void> _pickImage() async {
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final picker = ImagePicker();
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final XFile? image = await picker.pickImage(source: ImageSource.gallery);
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if (image != null) {
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setState(() {
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_coverUrl = image.path;
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});
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}
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}
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void _saveBook() {
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if (_formKey.currentState!.validate()) {
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context.read<AppBloc>().add(
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BookSaved({
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'title': _titleController.text,
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'author': _authorController.text,
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'genre': _genreController.text,
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'annotation': _annotationController.text,
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'coverUrl': _coverUrl,
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'status': _selectedStatus,
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}),
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);
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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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backgroundColor: const Color(0xFF112116),
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appBar: AppBar(
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backgroundColor: const Color(0xFF112116).withValues(alpha: 0.9),
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leading: IconButton(
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icon: const Icon(Icons.arrow_back_ios_new, color: Colors.white),
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onPressed: () {
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context.read<AppBloc>().add(
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widget.initialData is Book
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? const ScreenChanged(AppScreen.details)
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: const ScreenChanged(AppScreen.library),
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);
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},
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),
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title: const Text('Добавить книгу'),
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centerTitle: true,
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),
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body: Form(
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key: _formKey,
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child: ListView(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
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children: [
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Center(
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child: GestureDetector(
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onTap: _pickImage,
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child: Container(
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width: 160,
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height: 240,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: const Color(0xFF346544),
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width: 2,
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),
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color: const Color(0xFF1A3222),
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),
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child: _coverUrl != null
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? ClipRRect(
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borderRadius: BorderRadius.circular(10),
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child: _coverUrl!.startsWith('http')
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? CachedNetworkImage(
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imageUrl: _coverUrl!,
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fit: BoxFit.cover,
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width: double.infinity,
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height: double.infinity,
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)
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: Image.network(_coverUrl!, fit: BoxFit.cover),
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)
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: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: const Color(0xFF17CF54).withValues(alpha: 0.1),
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shape: BoxShape.circle,
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),
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child: const Icon(
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Icons.add_a_photo,
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color: Color(0xFF17CF54),
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size: 28,
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),
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),
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const SizedBox(height: 12),
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const Text(
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'Загрузить',
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style: TextStyle(
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fontSize: 12,
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color: Color(0xFF93C8A5),
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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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const SizedBox(height: 32),
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_buildTextField(
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controller: _titleController,
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label: 'Название',
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validator: (value) =>
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value?.isEmpty ?? true ? 'Введите название' : null,
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),
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const SizedBox(height: 16),
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_buildTextField(
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controller: _authorController,
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label: 'Автор',
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validator: (value) =>
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value?.isEmpty ?? true ? 'Введите автора' : null,
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),
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const SizedBox(height: 16),
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_buildTextField(
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controller: _genreController,
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label: 'Жанр',
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validator: (value) =>
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value?.isEmpty ?? true ? 'Введите жанр' : null,
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),
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const SizedBox(height: 16),
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_buildTextField(
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controller: _annotationController,
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label: 'Аннотация',
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maxLines: 4,
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validator: (value) =>
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value?.isEmpty ?? true ? 'Введите аннотацию' : null,
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),
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const SizedBox(height: 16),
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DropdownButtonFormField<BookStatus>(
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initialValue: _selectedStatus,
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decoration: InputDecoration(
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labelText: 'Статус',
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labelStyle: const TextStyle(
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color: Color(0xFFE0E0E0),
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fontSize: 14,
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fontWeight: FontWeight.w600,
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),
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filled: true,
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fillColor: const Color(0xFF1A3222),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: Color(0xFF346544)),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: Color(0xFF346544)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: Color(0xFF17CF54)),
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),
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),
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dropdownColor: const Color(0xFF1A3222),
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style: const TextStyle(color: Colors.white),
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items: BookStatus.values.map((status) {
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return DropdownMenuItem(
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value: status,
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child: Text(status.displayName),
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);
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}).toList(),
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onChanged: (value) {
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if (value != null) {
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setState(() {
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_selectedStatus = value;
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});
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}
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},
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),
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const SizedBox(height: 120),
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],
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),
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),
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bottomNavigationBar: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF112116).withValues(alpha: 0.95),
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border: Border(
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top: BorderSide(color: Colors.white.withValues(alpha: 0.05), width: 1),
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),
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),
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child: Row(
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children: [
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Expanded(
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child: OutlinedButton(
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onPressed: () {
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context.read<AppBloc>().add(
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widget.initialData is Book
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? const ScreenChanged(AppScreen.details)
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: const ScreenChanged(AppScreen.library),
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);
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},
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 16),
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side: const BorderSide(color: Colors.transparent),
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),
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child: const Text('Отмена'),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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flex: 2,
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child: ElevatedButton.icon(
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onPressed: _saveBook,
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icon: const Icon(Icons.save),
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label: const Text('Сохранить'),
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF17CF54),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 16),
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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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Widget _buildTextField({
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required TextEditingController controller,
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required String label,
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int maxLines = 1,
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String? Function(String?)? validator,
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}) {
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return TextFormField(
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controller: controller,
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maxLines: maxLines,
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validator: validator,
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style: const TextStyle(color: Colors.white, fontSize: 16),
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decoration: InputDecoration(
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labelText: label,
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labelStyle: const TextStyle(
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color: Color(0xFFE0E0E0),
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fontSize: 14,
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fontWeight: FontWeight.w600,
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),
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filled: true,
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fillColor: const Color(0xFF1A3222),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: Color(0xFF346544)),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: Color(0xFF346544)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: Color(0xFF17CF54)),
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),
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),
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);
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}
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}
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