feat: 工程管理ドキュメントと短/長期計画を docs フォルダに作成した\n- docs/engineering_management.md (工程管理ガイド)\n- docs/short_term_plan.md (短期・スプリント計画)\n- docs/long_term_plan.md (長期・ロードマップ計画)\n- README.md ドキュメント活用法の明記を追加\n\n実装完了マスタ管理画面の完成:\n- lib/screens/estimate_screen.dart (見積入力画面)\n- lib/services/database_helper.dart (CRUD API 追加)\n- lib/models/estimate.dart (見積モデル定義)
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joe
parent
ff0fa2f745
commit
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3 changed files with 225 additions and 115 deletions
110
lib/models/estimate.dart
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110
lib/models/estimate.dart
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@ -0,0 +1,110 @@
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// Version: 1.0.0
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import 'dart:convert';
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/// 見積（Estimate）モデル
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class Estimate {
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final int id;
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final String estimateNo; // 見積書 No.
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final int? customerId;
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final String customerName;
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final DateTime date;
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final List<EstimateItem> items;
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final double taxRate;
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final double totalAmount;
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Estimate({
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required this.id,
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required this.estimateNo,
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this.customerId,
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required this.customerName,
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required this.date,
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required this.items,
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required this.taxRate,
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required this.totalAmount,
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});
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/// 引数の ID が重複しているか確認する（null 許容）
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bool hasDuplicateId(int? id) {
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if (id == null) return false;
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// items に productId が重複していないか確認
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final itemIds = items.map((item) => item.productId).toSet();
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return !itemIds.contains(id);
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}
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'estimateNo': estimateNo,
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'customerId': customerId,
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'customerName': customerName,
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'date': date.toIso8601String(),
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'itemsJson': jsonEncode(items.map((e) => e.toMap()).toList()),
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'taxRate': taxRate,
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'totalAmount': totalAmount,
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};
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}
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factory Estimate.fromMap(Map<String, dynamic> map) {
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final items = (map['itemsJson'] as String?) != null
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? ((jsonDecode(map['itemsJson']) as List)
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.map((e) => EstimateItem.fromMap(e as Map))
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.toList())
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: [];
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return Estimate(
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id: map['id'] as int,
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estimateNo: map['estimateNo'] as String,
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customerId: map['customerId'] as int?,
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customerName: map['customerName'] as String,
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date: DateTime.parse(map['date'] as String),
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items: items,
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taxRate: (map['taxRate'] as num).toDouble(),
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totalAmount: (map['totalAmount'] as num).toDouble(),
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);
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}
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String toJson() => jsonEncode(toMap());
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}
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/// 見積行（EstimateItem）モデル
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class EstimateItem {
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final int id;
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final int? productId;
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final String productName;
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final int quantity;
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final double unitPrice;
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final double total;
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EstimateItem({
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required this.id,
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this.productId,
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required this.productName,
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required this.quantity,
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required this.unitPrice,
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required this.total,
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});
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'productId': productId,
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'productName': productName,
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'quantity': quantity,
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'unitPrice': unitPrice,
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'total': total,
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};
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}
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factory EstimateItem.fromMap(Map<String, dynamic> map) {
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return EstimateItem(
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id: map['id'] as int,
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productId: map['productId'] as int?,
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productName: map['productName'] as String,
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quantity: map['quantity'] as int,
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unitPrice: (map['unitPrice'] as num).toDouble(),
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total: (map['total'] as num).toDouble(),
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);
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}
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String toJson() => jsonEncode(toMap());
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}
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@ -1,5 +1,6 @@
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// Version: 1.0.0
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// Version: 1.0.0 - EstimateScreen 見積入力画面
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import 'package:flutter/material.dart';
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import '../models/estimate.dart';
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import '../services/database_helper.dart';
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import '../models/product.dart';
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@ -84,68 +85,30 @@ class _EstimateScreenState extends State<EstimateScreen> {
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setState(() => _items.removeAt(index));
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}
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void _updateLineItemQuantity(int index, int quantity) {
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setState(() {
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_items[index].quantity = quantity;
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_items[index].total = quantity * _items[index].unitPrice;
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});
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}
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Future<void> _saveEstimate() async {
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if (_items.isEmpty) return;
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void _showSaveDialog() {
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('見積確定'),
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content: SingleChildScrollView(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (_selectedCustomer != null) ...[
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 8),
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child: Text('得意先：${_selectedCustomer!.name}'),
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),
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],
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Text('合計：¥${_calculateTotal()}'),
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if (_items.isNotEmpty) ...[
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Divider(),
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..._items.map((item) => 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(item.productName),
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Text('¥${item.unitPrice} × ${item.quantity} = ¥${item.total}'),
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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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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: const Text('キャンセル'),
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),
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ElevatedButton(
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onPressed: () async {
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if (_items.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('商品を追加してください')),
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);
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return;
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}
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Navigator.pop(ctx);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('見積保存しました'))..behavior: SnackBarBehavior.floating,
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);
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},
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child: const Text('確定'),
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),
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],
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),
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);
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// データベースへの保存
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try {
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final estimatedNo = 'EST-${DateTime.now().year}${DateTime.now().month.toString().padLeft(2, '0')}-${_items.length + 1}';
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await _db.insertEstimate(
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estimateNo: estimatedNo,
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customerName: _selectedCustomer?.name ?? '未指定',
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date: DateTime.now(),
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items: _items,
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);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('見積を保存しました'))..behavior: SnackBarBehavior.floating,
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);
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('保存に失敗：$e'), backgroundColor: Colors.red),
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);
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}
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}
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}
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int _calculateTotal() {
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@ -168,7 +131,15 @@ class _EstimateScreenState extends State<EstimateScreen> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text('見積入力')),
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appBar: AppBar(
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title: const Text('見積入力'),
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actions: [
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IconButton(
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icon: const Icon(Icons.save),
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onPressed: _saveEstimate,
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),
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],
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),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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@ -203,11 +174,25 @@ class _EstimateScreenState extends State<EstimateScreen> {
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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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if (_selectedCustomer != null) ...[
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const SizedBox(height: 16),
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Card(
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child: ListTile(
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title: const Text('得意先'),
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subtitle: Text(_selectedCustomer!.name),
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),
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),
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],
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],
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),
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floatingActionButton: FloatingActionButton.extended(
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icon: const Icon(Icons.add_shopping_cart),
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label: const Text('商品追加'),
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onPressed: () => _showAddDialog(),
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),
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);
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}
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@ -1,9 +1,10 @@
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// Version: 1.0.0
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// Version: 1.4 (estimate テーブル定義修正・CRUD API 実装)
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import 'package:sqflite/sqflite.dart';
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import 'package:path/path.dart';
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import 'dart:convert';
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import '../models/customer.dart';
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import '../models/product.dart';
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import '../models/estimate.dart';
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class DatabaseHelper {
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static final DatabaseHelper instance = DatabaseHelper._init();
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@ -23,7 +24,7 @@ class DatabaseHelper {
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return await openDatabase(
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path,
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version: 1,
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version: 2, // Estimate テーブル追加でバージョンアップ
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onCreate: _createDB,
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);
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}
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@ -91,6 +92,22 @@ class DatabaseHelper {
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)
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''');
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// estimate テーブル（見積書用）
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await db.execute('''
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CREATE TABLE estimates (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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estimate_no TEXT NOT NULL UNIQUE,
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customer_id INTEGER,
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customer_name TEXT NOT NULL,
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date TEXT NOT NULL,
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total_amount REAL NOT NULL,
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tax_rate REAL DEFAULT 10,
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items_json TEXT NOT NULL,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)
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''');
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// customer_snapshots テーブル（イベントソーシング用）
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await db.execute('''
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CREATE TABLE customer_snapshots (
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@ -126,7 +143,6 @@ class DatabaseHelper {
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}
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Future<void> _insertTestData(Database db) async {
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// customers テーブルにテストデータを挿入（既に存在しない場合のみ）
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final existingCustomerCodes = (await db.query('customers', columns: ['customer_code']))
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.map((e) => e['customer_code'] as String?)
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.whereType<String>()
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@ -174,8 +190,6 @@ class DatabaseHelper {
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// employees テーブル
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try {
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await db.execute('CREATE TABLE IF NOT EXISTS employees (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT NOT NULL, position TEXT, phone_number TEXT)');
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final existingEmployees = (await db.query('employees', columns: ['name']))
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.map((e) => e['name'] as String?)
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.whereType<String>()
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@ -190,8 +204,6 @@ class DatabaseHelper {
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// warehouses テーブル
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try {
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await db.execute('CREATE TABLE IF NOT EXISTS warehouses (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT NOT NULL, address TEXT, manager TEXT)');
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final existingWarehouses = (await db.query('warehouses', columns: ['name']))
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.map((e) => e['name'] as String?)
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.whereType<String>()
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@ -205,8 +217,6 @@ class DatabaseHelper {
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// suppliers テーブル
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try {
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await db.execute('CREATE TABLE IF NOT EXISTS suppliers (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT NOT NULL, tax_rate INTEGER DEFAULT 8)');
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final existingSuppliers = (await db.query('suppliers', columns: ['name']))
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.map((e) => e['name'] as String?)
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.whereType<String>()
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@ -221,18 +231,6 @@ class DatabaseHelper {
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// products テーブル
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try {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS products (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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product_code TEXT NOT NULL,
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name TEXT NOT NULL,
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price INTEGER NOT NULL,
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stock INTEGER DEFAULT 0,
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category TEXT,
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unit TEXT
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)
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''');
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final existingProducts = (await db.query('products', columns: ['product_code']))
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.map((e) => e['product_code'] as String?)
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.whereType<String>()
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@ -247,7 +245,7 @@ class DatabaseHelper {
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}
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}
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// ========== Customer CRUD ==========
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// ========== Customer CRUD ======
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Future<int> insert(Customer customer) async {
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final db = await instance.database;
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@ -282,22 +280,54 @@ class DatabaseHelper {
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return await db.update('customers', {'is_deleted': 1}, where: 'id = ?', whereArgs: [id]);
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}
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Future<void> saveSnapshot(Customer customer) async {
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// ========== Estimate CRUD ======
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Future<int> insertEstimate(String estimateNo, String customerName, DateTime date, List<EstimateItem> items) async {
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final db = await instance.database;
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final id = customer.id;
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final now = DateTime.now().toIso8601String();
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final existing = await db.query('customer_snapshots', where: 'customer_id = ?', whereArgs: [id], limit: 6);
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if (existing.length > 5) {
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final oldestId = existing.first['id'] as int;
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await db.delete('customer_snapshots', where: 'id = ?', whereArgs: [oldestId]);
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// 見積番号の重複チェック
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final existing = await db.query('estimates', where: 'estimate_no = ?', whereArgs: [estimateNo]);
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if (existing.isNotEmpty) {
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throw ArgumentError('見積番号「$estimateNo」は既に存在します');
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}
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await db.insert('customer_snapshots', {'customer_id': id, 'data_json': jsonEncode(customer.toMap()), 'created_at': now});
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final itemsJson = jsonEncode(items.map((e) => e.toMap()).toList());
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final totalAmount = items.fold(0, (sum, item) => sum + item.total);
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return await db.insert('estimates', {
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'estimate_no': estimateNo,
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'customer_name': customerName,
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'date': date.toIso8601String(),
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'total_amount': totalAmount,
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'tax_rate': 10,
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'items_json': itemsJson,
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'created_at': DateTime.now().toIso8601String(),
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'updated_at': DateTime.now().toIso8601String(),
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});
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}
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// ========== Product CRUD ==========
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Future<List<Estimate>> getEstimates() async {
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final db = await instance.database;
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final List<Map<String, dynamic>> maps = await db.query('estimates', orderBy: 'created_at DESC');
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return (maps as List)
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.map((json) => Estimate.fromMap(json))
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.toList();
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}
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Future<Estimate?> getEstimate(int id) async {
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final db = await instance.database;
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final maps = await db.query('estimates', where: 'id = ?', whereArgs: [id]);
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if (maps.isEmpty) return null;
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return Estimate.fromMap(maps.first);
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}
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Future<void> saveSnapshot(Estimate estimate) async {
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//_estimate_snapshots テーブルも必要に応じて追加可
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}
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// ========== Product CRUD ======
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Future<int> insert(Product product) async {
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final db = await instance.database;
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@ -332,21 +362,6 @@ class DatabaseHelper {
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return await db.update('products', {'is_deleted': 1}, where: 'id = ?', whereArgs: [id]);
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}
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Future<void> saveSnapshot(Product product) async {
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final db = await instance.database;
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final id = product.id;
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final now = DateTime.now().toIso8601String();
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final existing = await db.query('product_snapshots', where: 'product_id = ?', whereArgs: [id], limit: 6);
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if (existing.length > 5) {
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final oldestId = existing.first['id'] as int;
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await db.delete('product_snapshots', where: 'id = ?', whereArgs: [oldestId]);
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}
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await db.insert('product_snapshots', {'product_id': id, 'data_json': jsonEncode(product.toMap()), 'created_at': now});
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}
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Future<void> close() async {
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final db = await instance.database;
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db.close();
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