Add full CRUD tasks with AI integration
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../providers/task_provider.dart';
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import '../models/task_model.dart';
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class TaskFormScreen extends ConsumerStatefulWidget {
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final TaskModel? task;
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final String projectId;
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const TaskFormScreen({
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super.key,
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this.task,
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required this.projectId,
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});
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@override
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ConsumerState<TaskFormScreen> createState() => _TaskFormScreenState();
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}
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class _TaskFormScreenState extends ConsumerState<TaskFormScreen> {
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final _formKey = GlobalKey<FormState>();
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final _titleController = TextEditingController();
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final _descriptionController = TextEditingController();
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TaskPriority _priority = TaskPriority.medium;
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DateTime? _dueDate;
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int _estimatedHours = 0;
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bool _isGenerating = false;
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@override
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void initState() {
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super.initState();
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if (widget.task != null) {
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_titleController.text = widget.task!.title;
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_descriptionController.text = widget.task!.description ?? '';
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_priority = widget.task!.priority;
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_dueDate = widget.task!.dueDate;
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_estimatedHours = widget.task!.estimatedHours;
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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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_descriptionController.dispose();
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super.dispose();
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}
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Future<void> _selectDueDate() async {
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final picked = await showDatePicker(
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context: context,
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initialDate: _dueDate ?? DateTime.now(),
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firstDate: DateTime.now(),
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lastDate: DateTime.now().add(const Duration(days: 365)),
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);
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if (picked != null) {
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setState(() {
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_dueDate = picked;
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});
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}
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}
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Future<void> _generateSubtasksWithAI() async {
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if (_titleController.text.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Введите название задачи')),
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);
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return;
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}
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setState(() {
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_isGenerating = true;
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});
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try {
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await ref.read(tasksProvider.notifier).generateSubtasksWithAI(
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title: _titleController.text,
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description: _descriptionController.text,
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projectId: widget.projectId,
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parentTaskId: widget.task?.id,
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);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('✅ Подзадачи успешно сгенерированы!'),
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backgroundColor: Colors.green,
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),
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);
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context.pop(true);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('❌ Ошибка: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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} finally {
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setState(() {
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_isGenerating = false;
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});
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}
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}
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Future<void> _prioritizeWithAI() async {
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if (_titleController.text.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Введите название задачи')),
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);
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return;
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}
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setState(() {
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_isGenerating = true;
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});
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try {
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final priority = await ref.read(tasksProvider.notifier).prioritizeTaskWithAI(
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title: _titleController.text,
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description: _descriptionController.text,
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dueDate: _dueDate,
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);
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setState(() {
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_priority = priority;
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});
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('✅ AI определил приоритет: ${priority.name}'),
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backgroundColor: Colors.green,
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),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('❌ Ошибка: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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} finally {
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setState(() {
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_isGenerating = false;
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});
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}
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}
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Future<void> _saveTask() async {
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if (!_formKey.currentState!.validate()) return;
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try {
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if (widget.task != null) {
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// Редактирование
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await ref.read(tasksProvider.notifier).updateTask(
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widget.task!.id,
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title: _titleController.text,
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description: _descriptionController.text,
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priority: _priority,
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dueDate: _dueDate,
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);
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} else {
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// Создание
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await ref.read(tasksProvider.notifier).createTask(
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title: _titleController.text,
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description: _descriptionController.text,
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projectId: widget.projectId,
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priority: _priority,
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dueDate: _dueDate,
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estimatedHours: _estimatedHours,
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);
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}
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if (mounted) {
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context.pop(true);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('❌ Ошибка: $e'),
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backgroundColor: Colors.red,
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),
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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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final isEdit = widget.task != null;
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return Scaffold(
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appBar: AppBar(
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title: Text(isEdit ? 'Редактировать задачу' : 'Новая задача'),
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actions: [
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if (isEdit)
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IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: () => _confirmDelete(),
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tooltip: 'Удалить',
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),
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],
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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.all(16),
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children: [
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// Название
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TextFormField(
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controller: _titleController,
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decoration: const InputDecoration(
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labelText: 'Название *',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.title),
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),
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validator: (value) {
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if (value == null || value.isEmpty) {
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return 'Введите название';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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// Описание
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TextFormField(
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controller: _descriptionController,
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decoration: const InputDecoration(
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labelText: 'Описание',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.description),
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alignLabelWithHint: true,
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),
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maxLines: 5,
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),
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const SizedBox(height: 24),
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// AI Кнопки
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if (!isEdit) ...[
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_buildAIButton(
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icon: Icons.auto_awesome,
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label: 'AI: Создать подзадачи',
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onPressed: _isGenerating ? null : _generateSubtasksWithAI,
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color: Colors.purple,
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),
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const SizedBox(height: 8),
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_buildAIButton(
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icon: Icons.priority_high,
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label: 'AI: Определить приоритет',
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onPressed: _isGenerating ? null : _prioritizeWithAI,
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color: Colors.orange,
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),
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const SizedBox(height: 24),
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],
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// Приоритет
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DropdownButtonFormField<TaskPriority>(
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value: _priority,
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decoration: const InputDecoration(
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labelText: 'Приоритет',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.flag),
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),
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items: TaskPriority.values.map((priority) {
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return DropdownMenuItem(
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value: priority,
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child: Row(
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children: [
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_getPriorityIcon(priority),
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const SizedBox(width: 8),
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Text(_getPriorityLabel(priority)),
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],
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),
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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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_priority = value;
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});
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}
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},
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),
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const SizedBox(height: 16),
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// Дедлайн
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ListTile(
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leading: const Icon(Icons.calendar_today),
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title: const Text('Дедлайн'),
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subtitle: Text(_dueDate != null
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? '📅 ${_dueDate!.day}.${_dueDate!.month}.${_dueDate!.year}'
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: 'Не выбран'),
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trailing: const Icon(Icons.chevron_right),
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onTap: _selectDueDate,
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),
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const SizedBox(height: 16),
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// Оценка времени
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Row(
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children: [
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Expanded(
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child: TextFormField(
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initialValue: _estimatedHours.toString(),
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decoration: const InputDecoration(
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labelText: 'Оценка (часы)',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.timer),
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),
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keyboardType: TextInputType.number,
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onChanged: (value) {
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_estimatedHours = int.tryParse(value) ?? 0;
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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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// Кнопка сохранения
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ElevatedButton(
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onPressed: _saveTask,
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 16),
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),
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child: _isGenerating
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? const SizedBox(
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height: 20,
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width: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: Text(isEdit ? 'Сохранить' : 'Создать задачу'),
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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 _buildAIButton({
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required IconData icon,
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required String label,
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required VoidCallback? onPressed,
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required Color color,
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}) {
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return OutlinedButton.icon(
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onPressed: onPressed,
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icon: Icon(icon, color: color),
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label: Text(label),
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 12),
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side: BorderSide(color: color),
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),
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);
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}
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Widget _getPriorityIcon(TaskPriority priority) {
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switch (priority) {
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case TaskPriority.urgent:
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return const Icon(Icons.fire_engine, color: Colors.red);
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case TaskPriority.high:
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return const Icon(Icons.arrow_upward, color: Colors.orange);
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case TaskPriority.medium:
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return const Icon(Icons.remove, color: Colors.blue);
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case TaskPriority.low:
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return const Icon(Icons.arrow_downward, color: Colors.green);
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}
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}
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String _getPriorityLabel(TaskPriority priority) {
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switch (priority) {
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case TaskPriority.urgent:
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return 'Срочно';
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case TaskPriority.high:
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return 'Высокий';
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case TaskPriority.medium:
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return 'Средний';
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case TaskPriority.low:
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return 'Низкий';
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}
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}
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void _confirmDelete() {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Удалить задачу?'),
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content: const Text('Это действие нельзя отменить'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('Отмена'),
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),
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TextButton(
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onPressed: () {
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ref.read(tasksProvider.notifier).deleteTask(widget.task!.id);
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Navigator.pop(context);
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context.pop(true);
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},
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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child: const Text('Удалить'),
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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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