645 lines
24 KiB
Dart
645 lines
24 KiB
Dart
import 'package:flutter/material.dart';
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import 'invoice_input_screen.dart'; // Add this line
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import 'package:intl/intl.dart';
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import 'package:share_plus/share_plus.dart';
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import 'package:open_filex/open_filex.dart';
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import '../models/invoice_models.dart';
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import '../services/pdf_generator.dart';
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import '../services/invoice_repository.dart';
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import '../services/customer_repository.dart';
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import '../services/company_repository.dart';
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import 'product_picker_modal.dart';
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import '../models/company_model.dart';
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class InvoiceDetailPage extends StatefulWidget {
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final Invoice invoice;
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final bool isUnlocked;
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const InvoiceDetailPage({Key? key, required this.invoice, this.isUnlocked = false}) : super(key: key);
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@override
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State<InvoiceDetailPage> createState() => _InvoiceDetailPageState();
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}
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class _InvoiceDetailPageState extends State<InvoiceDetailPage> {
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late TextEditingController _formalNameController;
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late TextEditingController _notesController;
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late List<InvoiceItem> _items;
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late bool _isEditing;
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late Invoice _currentInvoice;
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late double _taxRate; // 追加
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late bool _includeTax; // 追加
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String? _currentFilePath;
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final _invoiceRepo = InvoiceRepository();
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final _customerRepo = CustomerRepository();
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final _companyRepo = CompanyRepository();
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CompanyInfo? _companyInfo;
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@override
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void initState() {
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super.initState();
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_currentInvoice = widget.invoice;
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_currentFilePath = widget.invoice.filePath;
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_formalNameController = TextEditingController(text: _currentInvoice.customer.formalName);
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_notesController = TextEditingController(text: _currentInvoice.notes ?? "");
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_items = List.from(_currentInvoice.items);
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_taxRate = _currentInvoice.taxRate; // 初期化
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_includeTax = _currentInvoice.taxRate > 0; // 初期化
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_isEditing = false;
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_loadCompanyInfo();
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}
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Future<void> _loadCompanyInfo() async {
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final info = await _companyRepo.getCompanyInfo();
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setState(() => _companyInfo = info);
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}
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@override
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void dispose() {
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_formalNameController.dispose();
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_notesController.dispose();
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super.dispose();
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}
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void _addItem() {
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setState(() {
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_items.add(InvoiceItem(description: "新項目", quantity: 1, unitPrice: 0));
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});
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}
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void _removeItem(int index) {
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setState(() {
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_items.removeAt(index);
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});
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}
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void _pickFromMaster() {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (context) => FractionallySizedBox(
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heightFactor: 0.9,
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child: ProductPickerModal(
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onItemSelected: (item) {
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setState(() {
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_items.add(item);
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});
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Navigator.pop(context);
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},
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),
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),
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);
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}
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Future<void> _saveChanges() async {
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final String formalName = _formalNameController.text.trim();
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if (formalName.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('取引先の正式名称を入力してください')),
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);
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return;
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}
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// 顧客情報を更新
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final updatedCustomer = _currentInvoice.customer.copyWith(
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formalName: formalName,
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);
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final updatedInvoice = _currentInvoice.copyWith(
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customer: updatedCustomer,
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items: _items,
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notes: _notesController.text,
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taxRate: _includeTax ? _taxRate : 0.0, // 更新
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);
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// データベースに保存
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await _invoiceRepo.saveInvoice(updatedInvoice);
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// 顧客の正式名称が変更されている可能性があるため、マスターも更新
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if (updatedCustomer.formalName != widget.invoice.customer.formalName) {
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await _customerRepo.saveCustomer(updatedCustomer);
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}
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setState(() => _isEditing = false);
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final newPath = await generateInvoicePdf(updatedInvoice);
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if (newPath != null) {
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final finalInvoice = updatedInvoice.copyWith(filePath: newPath);
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await _invoiceRepo.saveInvoice(finalInvoice); // パスを更新して再保存
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setState(() {
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_currentInvoice = finalInvoice;
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_currentFilePath = newPath;
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});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('データベースとPDFを更新しました')),
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);
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}
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}
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void _exportCsv() {
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final csvData = _currentInvoice.toCsv();
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Share.share(csvData, subject: '請求書データ_CSV');
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}
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@override
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Widget build(BuildContext context) {
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final fmt = NumberFormat("#,###");
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final isDraft = _currentInvoice.isDraft;
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final themeColor = isDraft ? Colors.blueGrey.shade800 : Colors.white;
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final textColor = isDraft ? Colors.white : Colors.black87;
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final locked = _currentInvoice.isLocked;
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return Scaffold(
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backgroundColor: themeColor,
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appBar: AppBar(
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leading: const BackButton(), // 常に表示
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title: Text(isDraft ? "伝票詳細 (下書き)" : "販売アシスト1号 伝票詳細"),
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backgroundColor: isDraft ? Colors.black87 : Colors.blueGrey,
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actions: [
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if (locked)
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 14),
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child: Chip(
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label: const Text("ロック中", style: TextStyle(color: Colors.white)),
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avatar: const Icon(Icons.lock, size: 16, color: Colors.white),
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backgroundColor: Colors.redAccent,
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),
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),
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if (isDraft && !_isEditing)
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TextButton.icon(
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icon: const Icon(Icons.check_circle_outline, color: Colors.orangeAccent),
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label: const Text("正式発行", style: TextStyle(color: Colors.orangeAccent)),
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onPressed: _showPromoteDialog,
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),
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if (!_isEditing) ...[
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IconButton(icon: const Icon(Icons.grid_on), onPressed: _exportCsv, tooltip: "CSV出力"),
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if (widget.isUnlocked && !locked)
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IconButton(
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icon: const Icon(Icons.copy),
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tooltip: "コピーして新規作成",
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onPressed: () async {
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final newId = DateTime.now().millisecondsSinceEpoch.toString();
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final duplicateInvoice = _currentInvoice.copyWith(
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id: newId,
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date: DateTime.now(),
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isDraft: true,
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);
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await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => InvoiceInputForm(
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onInvoiceGenerated: (inv, path) {},
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existingInvoice: duplicateInvoice,
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),
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),
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);
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},
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),
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if (widget.isUnlocked && !locked)
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IconButton(
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icon: const Icon(Icons.edit_note),
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tooltip: "詳細編集",
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onPressed: () async {
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await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => InvoiceInputForm(
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onInvoiceGenerated: (inv, path) {},
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existingInvoice: _currentInvoice,
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),
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),
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);
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final repo = InvoiceRepository();
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final customerRepo = CustomerRepository();
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final customers = await customerRepo.getAllCustomers();
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final updated = (await repo.getAllInvoices(customers)).firstWhere((i) => i.id == _currentInvoice.id, orElse: () => _currentInvoice);
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setState(() => _currentInvoice = updated);
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},
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),
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] else ...[
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if (isDraft)
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TextButton.icon(
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icon: const Icon(Icons.check_circle_outline, color: Colors.orangeAccent),
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label: const Text("正式発行", style: TextStyle(color: Colors.orangeAccent)),
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onPressed: _showPromoteDialog,
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),
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IconButton(icon: const Icon(Icons.save), onPressed: _saveChanges),
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IconButton(icon: const Icon(Icons.cancel), onPressed: () => setState(() => _isEditing = false)),
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]
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],
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildHeaderSection(textColor),
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if (_isEditing) ...[
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const SizedBox(height: 16),
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_buildDraftToggleEdit(), // 編集用トグル
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const SizedBox(height: 16),
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_buildExperimentalSection(isDraft),
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],
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Divider(height: 32, color: isDraft ? Colors.white70 : Colors.grey),
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Text("明細一覧", style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: textColor)),
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const SizedBox(height: 8),
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_buildItemTable(fmt, textColor, isDraft),
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if (_isEditing)
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Padding(
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padding: const EdgeInsets.only(top: 8.0),
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child: Wrap(
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spacing: 12,
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runSpacing: 8,
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children: [
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ElevatedButton.icon(
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onPressed: _addItem,
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icon: const Icon(Icons.add),
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label: const Text("空の行を追加"),
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),
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ElevatedButton.icon(
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onPressed: _pickFromMaster,
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icon: const Icon(Icons.list_alt),
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label: const Text("マスターから選択"),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.blueGrey.shade700,
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foregroundColor: Colors.white,
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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: 24),
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_buildSummarySection(fmt, textColor, isDraft),
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const SizedBox(height: 24),
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_buildFooterActions(),
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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 _buildHeaderSection(Color textColor) {
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final dateFormatter = DateFormat('yyyy年MM月dd日');
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (_isEditing) ...[
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TextField(
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controller: _formalNameController,
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decoration: const InputDecoration(labelText: "取引先 正式名称", border: OutlineInputBorder()),
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style: TextStyle(color: textColor),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _notesController,
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maxLines: 2,
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decoration: const InputDecoration(labelText: "備考", border: OutlineInputBorder()),
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style: TextStyle(color: textColor),
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),
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] else ...[
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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"伝票番号: ${_currentInvoice.invoiceNumber}",
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: textColor),
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),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: _currentInvoice.isDraft ? Colors.orange : Colors.green.shade700,
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borderRadius: BorderRadius.circular(20),
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),
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child: Text(
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_currentInvoice.isDraft ? "下書き" : "確定済",
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style: const TextStyle(color: Colors.white, fontSize: 12, fontWeight: FontWeight.bold),
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text("日付: ${DateFormat('yyyy/MM/dd').format(_currentInvoice.date)}", style: TextStyle(color: textColor.withOpacity(0.8))),
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const SizedBox(height: 8),
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Text("取引先:", style: TextStyle(fontWeight: FontWeight.bold, color: textColor)),
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Text("${_currentInvoice.customerNameForDisplay} ${_currentInvoice.customer.title}",
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold, color: textColor)),
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if (_currentInvoice.subject?.isNotEmpty ?? false) ...[
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const SizedBox(height: 8),
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Text("件名: ${_currentInvoice.subject}",
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.indigoAccent)),
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],
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if (_currentInvoice.customer.department != null && _currentInvoice.customer.department!.isNotEmpty)
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Text(_currentInvoice.customer.department!, style: TextStyle(fontSize: 16, color: textColor)),
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if (_currentInvoice.latitude != null) ...[
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const SizedBox(height: 4),
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Padding(
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padding: const EdgeInsets.only(top: 4.0),
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child: Row(
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children: [
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const Icon(Icons.location_on, size: 14, color: Colors.blueGrey),
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const SizedBox(width: 4),
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Text(
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"座標: ${_currentInvoice.latitude!.toStringAsFixed(4)}, ${_currentInvoice.longitude!.toStringAsFixed(4)}",
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style: const TextStyle(fontSize: 12, color: Colors.blueGrey),
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),
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],
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),
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),
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],
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if (_currentInvoice.notes?.isNotEmpty ?? false) ...[
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const SizedBox(height: 8),
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Text("備考: ${_currentInvoice.notes}", style: TextStyle(color: textColor.withOpacity(0.9))),
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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 _buildItemTable(NumberFormat formatter, Color textColor, bool isDraft) {
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return Table(
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border: TableBorder.all(color: isDraft ? Colors.white24 : Colors.grey.shade300),
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columnWidths: const {
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0: FlexColumnWidth(4),
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1: FixedColumnWidth(50),
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2: FixedColumnWidth(80),
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3: FlexColumnWidth(2),
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4: FixedColumnWidth(40),
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},
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defaultVerticalAlignment: TableCellVerticalAlignment.middle,
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children: [
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TableRow(
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decoration: BoxDecoration(color: isDraft ? Colors.black26 : Colors.grey.shade100),
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children: [
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_TableCell("品名", textColor: textColor),
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_TableCell("数量", textColor: textColor),
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_TableCell("単価", textColor: textColor),
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_TableCell("金額", textColor: textColor),
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const _TableCell(""),
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],
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),
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..._items.asMap().entries.map((entry) {
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int idx = entry.key;
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InvoiceItem item = entry.value;
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if (_isEditing) {
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return TableRow(children: [
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_EditableCell(
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initialValue: item.description,
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textColor: textColor,
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onChanged: (val) => item.description = val,
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),
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_EditableCell(
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initialValue: item.quantity.toString(),
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textColor: textColor,
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keyboardType: TextInputType.number,
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onChanged: (val) => setState(() => item.quantity = int.tryParse(val) ?? 0),
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),
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_EditableCell(
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initialValue: item.unitPrice.toString(),
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textColor: textColor,
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keyboardType: TextInputType.number,
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onChanged: (val) => setState(() => item.unitPrice = int.tryParse(val) ?? 0),
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),
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_TableCell(formatter.format(item.subtotal), textColor: textColor),
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IconButton(icon: const Icon(Icons.delete, size: 20, color: Colors.red), onPressed: () => _removeItem(idx)),
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]);
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} else {
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return TableRow(children: [
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_TableCell(item.description, textColor: textColor),
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_TableCell(item.quantity.toString(), textColor: textColor),
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_TableCell(formatter.format(item.unitPrice), textColor: textColor),
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_TableCell(formatter.format(item.subtotal), textColor: textColor),
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const SizedBox(),
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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 _buildSummarySection(NumberFormat formatter, Color textColor, bool isDraft) {
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final double currentTaxRate = _isEditing ? (_includeTax ? _taxRate : 0.0) : _currentInvoice.taxRate;
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final int subtotal = _isEditing ? _calculateCurrentSubtotal() : _currentInvoice.subtotal;
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final int tax = (subtotal * currentTaxRate).floor();
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final int total = subtotal + tax;
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return Column(
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children: [
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_buildSummaryRow("小計", formatter.format(subtotal), textColor),
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if (currentTaxRate > 0) ...[
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if (_companyInfo?.taxDisplayMode == 'normal')
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_buildSummaryRow("消費税 (${(currentTaxRate * 100).toInt()}%)", formatter.format(tax), textColor),
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if (_companyInfo?.taxDisplayMode == 'text_only')
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_buildSummaryRow("消費税", "（税別）", textColor),
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],
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const Divider(color: Colors.grey),
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_buildSummaryRow(currentTaxRate > 0 ? "合計金額 (税込)" : "合計金額", "￥${formatter.format(total)}", textColor, isTotal: true),
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],
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);
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}
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Widget _buildSummaryRow(String label, String value, Color textColor, {bool isTotal = false}) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(label, style: TextStyle(fontSize: isTotal ? 18 : 16, fontWeight: isTotal ? FontWeight.bold : FontWeight.normal, color: textColor)),
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Text(value, style: TextStyle(fontSize: isTotal ? 20 : 16, fontWeight: isTotal ? FontWeight.bold : FontWeight.normal, color: isTotal ? Colors.orangeAccent : textColor)),
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],
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),
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);
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}
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int _calculateCurrentSubtotal() {
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return _items.fold(0, (sum, item) => sum + (item.quantity * item.unitPrice));
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}
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Widget _buildExperimentalSection(bool isDraft) {
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return Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: isDraft ? Colors.black45 : Colors.orange.shade50,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.orange, width: 1),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text("税率設定 (編集用)", style: TextStyle(fontWeight: FontWeight.bold, color: Colors.orange)),
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const SizedBox(height: 8),
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Row(
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children: [
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Text("消費税: ", style: TextStyle(color: isDraft ? Colors.white70 : Colors.black87)),
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ChoiceChip(
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label: const Text("10%"),
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selected: _taxRate == 0.10,
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onSelected: (val) => setState(() => _taxRate = 0.10),
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),
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|
const SizedBox(width: 8),
|
|
ChoiceChip(
|
|
label: const Text("8%"),
|
|
selected: _taxRate == 0.08,
|
|
onSelected: (val) => setState(() => _taxRate = 0.08),
|
|
),
|
|
const Spacer(),
|
|
Switch(
|
|
value: _includeTax,
|
|
onChanged: (val) => setState(() => _includeTax = val),
|
|
),
|
|
Text(_includeTax ? "税込表示" : "非課税"),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildFooterActions() {
|
|
if (_isEditing || _currentFilePath == null) return const SizedBox();
|
|
return Row(
|
|
children: [
|
|
Expanded(
|
|
child: ElevatedButton.icon(
|
|
onPressed: _openPdf,
|
|
icon: const Icon(Icons.launch),
|
|
label: const Text("PDFを開く"),
|
|
style: ElevatedButton.styleFrom(backgroundColor: Colors.orange, foregroundColor: Colors.white),
|
|
),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: ElevatedButton.icon(
|
|
onPressed: _sharePdf,
|
|
icon: const Icon(Icons.share),
|
|
label: const Text("共有"),
|
|
style: ElevatedButton.styleFrom(backgroundColor: Colors.green, foregroundColor: Colors.white),
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
Future<void> _showPromoteDialog() async {
|
|
final confirm = await showDialog<bool>(
|
|
context: context,
|
|
builder: (context) => AlertDialog(
|
|
title: const Text("正式発行"),
|
|
content: const Text("この下書き伝票を「確定」として正式に発行しますか？\n(下書きモードが解除され、通常の背景に戻ります)"),
|
|
actions: [
|
|
TextButton(onPressed: () => Navigator.pop(context, false), child: const Text("キャンセル")),
|
|
ElevatedButton(
|
|
onPressed: () => Navigator.pop(context, true),
|
|
style: ElevatedButton.styleFrom(backgroundColor: Colors.orange),
|
|
child: const Text("正式発行する"),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
|
|
if (confirm == true) {
|
|
final promoted = _currentInvoice.copyWith(isDraft: false);
|
|
await _invoiceRepo.updateInvoice(promoted);
|
|
setState(() {
|
|
_currentInvoice = promoted;
|
|
});
|
|
if (mounted) {
|
|
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("伝票を正式発行しました")));
|
|
}
|
|
}
|
|
}
|
|
|
|
Widget _buildDraftToggleEdit() {
|
|
return Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
decoration: BoxDecoration(
|
|
color: _currentInvoice.isDraft ? Colors.black26 : Colors.orange.shade50,
|
|
borderRadius: BorderRadius.circular(12),
|
|
border: Border.all(color: Colors.orange, width: 2),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
const Icon(Icons.drafts, color: Colors.orange),
|
|
const SizedBox(width: 12),
|
|
const Expanded(child: Text("下書き状態として保持", style: TextStyle(fontWeight: FontWeight.bold))),
|
|
Switch(
|
|
value: _currentInvoice.isDraft,
|
|
onChanged: (val) {
|
|
setState(() {
|
|
_currentInvoice = _currentInvoice.copyWith(isDraft: val);
|
|
});
|
|
},
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Future<void> _openPdf() async => await OpenFilex.open(_currentFilePath!);
|
|
Future<void> _sharePdf() async {
|
|
if (_currentFilePath != null) {
|
|
await Share.shareXFiles([XFile(_currentFilePath!)], text: '請求書送付');
|
|
}
|
|
}
|
|
}
|
|
|
|
class _TableCell extends StatelessWidget {
|
|
final String text;
|
|
final Color? textColor;
|
|
const _TableCell(this.text, {this.textColor});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Padding(
|
|
padding: const EdgeInsets.all(8.0),
|
|
child: Text(text, textAlign: TextAlign.right, style: TextStyle(fontSize: 12, color: textColor)),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _EditableCell extends StatelessWidget {
|
|
final String initialValue;
|
|
final TextInputType keyboardType;
|
|
final Function(String) onChanged;
|
|
final Color? textColor;
|
|
|
|
const _EditableCell({
|
|
required this.initialValue,
|
|
required this.onChanged,
|
|
this.keyboardType = TextInputType.text,
|
|
this.textColor,
|
|
});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 4.0),
|
|
child: TextField(
|
|
controller: TextEditingController(text: initialValue),
|
|
keyboardType: keyboardType,
|
|
style: TextStyle(fontSize: 14, color: textColor),
|
|
onChanged: onChanged,
|
|
decoration: const InputDecoration(isDense: true, contentPadding: EdgeInsets.all(8)),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _SummaryRow extends StatelessWidget {
|
|
final String label, value;
|
|
final bool isBold;
|
|
const _SummaryRow(this.label, this.value, {this.isBold = false});
|
|
@override
|
|
Widget build(BuildContext context) => Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 2.0),
|
|
child: Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(label, style: TextStyle(fontSize: 12, fontWeight: isBold ? FontWeight.bold : null)),
|
|
Text(value, style: TextStyle(fontSize: 12, fontWeight: isBold ? FontWeight.bold : null)),
|
|
],
|
|
),
|
|
);
|
|
}
|