364 lines
12 KiB
Dart
364 lines
12 KiB
Dart
import 'dart:convert';
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import 'package:crypto/crypto.dart';
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import 'package:intl/intl.dart';
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import 'customer_model.dart';
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class InvoiceItem {
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final String? id;
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final String? productId; // 追加
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String description;
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int quantity;
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int unitPrice;
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InvoiceItem({
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this.id,
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this.productId, // 追加
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required this.description,
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required this.quantity,
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required this.unitPrice,
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});
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int get subtotal => quantity * unitPrice;
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Map<String, dynamic> toMap(String invoiceId) {
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return {
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'id': id ?? DateTime.now().microsecondsSinceEpoch.toString(),
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'invoice_id': invoiceId,
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'product_id': productId, // 追加
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'description': description,
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'quantity': quantity,
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'unit_price': unitPrice,
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};
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}
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factory InvoiceItem.fromMap(Map<String, dynamic> map) {
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return InvoiceItem(
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id: map['id'],
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productId: map['product_id'], // 追加
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description: map['description'],
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quantity: map['quantity'],
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unitPrice: map['unit_price'],
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);
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}
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InvoiceItem copyWith({
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String? id, // Added this to be complete
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String? description,
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int? quantity,
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int? unitPrice,
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String? productId,
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}) {
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return InvoiceItem(
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id: id ?? this.id, // Added this to be complete
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description: description ?? this.description,
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quantity: quantity ?? this.quantity,
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unitPrice: unitPrice ?? this.unitPrice,
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productId: productId ?? this.productId,
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);
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}
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}
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enum DocumentType {
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estimation, // 見積
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delivery, // 納品
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invoice, // 請求
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receipt, // 領収
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}
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extension DocumentTypeDisplay on DocumentType {
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String get displayName {
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switch (this) {
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case DocumentType.estimation:
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return '見積書';
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case DocumentType.delivery:
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return '納品書';
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case DocumentType.invoice:
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return '請求書';
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case DocumentType.receipt:
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return '領収書';
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}
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}
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}
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class Invoice {
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static const String lockStatement =
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'正式発行ボタン押下時にこの伝票はロックされ、以後の編集・削除はできません。ロック状態はハッシュチェーンで保護されます。';
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static const String hashDescription =
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'metaJson = JSON.stringify({id, invoiceNumber, customer, date, total, documentType, hash, lockStatement, companySnapshot, companySealHash}); metaHash = SHA-256(metaJson).';
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final String id;
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final Customer customer;
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final DateTime date;
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final List<InvoiceItem> items;
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final String? notes;
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final String? filePath;
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final double taxRate;
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final DocumentType documentType; // 追加
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final String? customerFormalNameSnapshot;
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final String? odooId;
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final bool isSynced;
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final DateTime updatedAt;
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final double? latitude; // 追加
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final double? longitude; // 追加
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final String terminalId; // 追加: 端末識別子
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final bool isDraft; // 追加: 下書きフラグ
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final String? subject; // 追加: 案件名
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final bool isLocked; // 追加: ロック
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final int? contactVersionId; // 追加: 連絡先バージョン
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final String? contactEmailSnapshot;
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final String? contactTelSnapshot;
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final String? contactAddressSnapshot;
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final String? companySnapshot; // 追加: 発行時会社情報スナップショット
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final String? companySealHash; // 追加: 角印画像ハッシュ
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final String? metaJson;
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final String? metaHash;
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final String? previousChainHash;
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final String? chainHash;
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final String chainStatus;
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Invoice({
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String? id,
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required this.customer,
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required this.date,
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required this.items,
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this.notes,
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this.filePath,
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this.taxRate = 0.10,
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this.documentType = DocumentType.invoice, // デフォルト請求書
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this.customerFormalNameSnapshot,
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this.odooId,
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this.isSynced = false,
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DateTime? updatedAt,
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this.latitude, // 追加
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this.longitude, // 追加
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String? terminalId, // 追加
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this.isDraft = false, // 追加: デフォルトは通常
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this.subject, // 追加: 案件
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this.isLocked = false,
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this.contactVersionId,
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this.contactEmailSnapshot,
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this.contactTelSnapshot,
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this.contactAddressSnapshot,
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this.companySnapshot,
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this.companySealHash,
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this.metaJson,
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this.metaHash,
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this.previousChainHash,
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this.chainHash,
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this.chainStatus = 'pending',
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}) : id = id ?? DateTime.now().millisecondsSinceEpoch.toString(),
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terminalId = terminalId ?? "T1", // デフォルト端末ID
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updatedAt = updatedAt ?? DateTime.now();
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/// 伝票内容から決定論的なハッシュを生成する (SHA256の一部)
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String get contentHash {
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final input = "$id|$terminalId|${date.toIso8601String()}|${customer.id}|$totalAmount|${subject ?? ""}|${items.map((e) => "${e.description}${e.quantity}${e.unitPrice}").join()}";
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final bytes = utf8.encode(input);
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return sha256.convert(bytes).toString().substring(0, 8).toUpperCase();
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}
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String get documentTypeName {
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switch (documentType) {
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case DocumentType.estimation: return "見積書";
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case DocumentType.delivery: return "納品書";
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case DocumentType.invoice: return "請求書";
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case DocumentType.receipt: return "領収書";
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}
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}
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static const Map<DocumentType, String> _docTypeShortLabel = {
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DocumentType.estimation: '見積',
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DocumentType.delivery: '納品',
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DocumentType.invoice: '請求',
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DocumentType.receipt: '領収',
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};
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String get invoiceNumberPrefix {
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switch (documentType) {
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case DocumentType.estimation: return "EST";
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case DocumentType.delivery: return "DEL";
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case DocumentType.invoice: return "INV";
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case DocumentType.receipt: return "REC";
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}
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}
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String get invoiceNumber => "$invoiceNumberPrefix-$terminalId-${DateFormat('yyyyMMdd').format(date)}-${id.substring(id.length > 4 ? id.length - 4 : 0)}";
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// 表示用の宛名（スナップショットがあれば優先）。必ず敬称を付与。
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String get customerNameForDisplay {
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final base = customerFormalNameSnapshot ?? customer.formalName;
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final hasHonorific = RegExp(r'(様|御中|殿)$').hasMatch(base);
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return hasHonorific ? base : '$base ${customer.title}';
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}
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int get subtotal => items.fold(0, (sum, item) => sum + item.subtotal);
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int get tax => (subtotal * taxRate).floor();
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int get totalAmount => subtotal + tax;
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String get _projectLabel {
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if (subject != null && subject!.trim().isNotEmpty) {
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return subject!.trim();
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}
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return '案件';
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}
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String get mailTitleCore {
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final dateStr = DateFormat('yyyyMMdd').format(date);
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final docLabel = _docTypeShortLabel[documentType] ?? documentTypeName.replaceAll('書', '');
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final customerCompact = customerNameForDisplay.replaceAll(RegExp(r'\s+'), '');
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final amountStr = NumberFormat('#,###').format(totalAmount);
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final buffer = StringBuffer()
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..write(dateStr)
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..write('($docLabel)')
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..write(_projectLabel)
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..write('@')
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..write(customerCompact)
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..write('_')
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..write(amountStr)
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..write('円');
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final raw = buffer.toString();
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return _sanitizeForFile(raw);
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}
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String get mailAttachmentFileName => '$mailTitleCore.PDF';
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String get mailBodyText => '請求書をお送りします。ご確認ください。';
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static String _sanitizeForFile(String input) {
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var sanitized = input.replaceAll(RegExp(r'[\\/:*?"<>|]'), '-');
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sanitized = sanitized.replaceAll(RegExp(r'[\r\n]+'), '');
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sanitized = sanitized.replaceAll(' ', '');
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sanitized = sanitized.replaceAll(' ', '');
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return sanitized;
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}
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Map<String, dynamic> metaPayload() {
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return {
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'id': id,
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'invoiceNumber': invoiceNumber,
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'customer': customerNameForDisplay,
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'date': date.toIso8601String(),
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'total': totalAmount,
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'documentType': documentType.name,
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'hash': contentHash,
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'lockStatement': lockStatement,
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'hashDescription': hashDescription,
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'companySnapshot': companySnapshot,
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'companySealHash': companySealHash,
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};
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}
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String get metaJsonValue => metaJson ?? jsonEncode(metaPayload());
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String get metaHashValue => metaHash ?? sha256.convert(utf8.encode(metaJsonValue)).toString();
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'customer_id': customer.id,
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'date': date.toIso8601String(),
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'notes': notes,
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'file_path': filePath,
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'total_amount': totalAmount,
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'tax_rate': taxRate,
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'document_type': documentType.name, // 追加
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'customer_formal_name': customerFormalNameSnapshot ?? customer.formalName,
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'odoo_id': odooId,
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'is_synced': isSynced ? 1 : 0,
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'updated_at': updatedAt.toIso8601String(),
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'latitude': latitude, // 追加
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'longitude': longitude, // 追加
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'terminal_id': terminalId, // 追加
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'content_hash': contentHash, // 追加
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'is_draft': isDraft ? 1 : 0, // 追加
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'subject': subject, // 追加
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'is_locked': isLocked ? 1 : 0,
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'contact_version_id': contactVersionId,
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'contact_email_snapshot': contactEmailSnapshot,
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'contact_tel_snapshot': contactTelSnapshot,
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'contact_address_snapshot': contactAddressSnapshot,
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'company_snapshot': companySnapshot,
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'company_seal_hash': companySealHash,
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'meta_json': metaJsonValue,
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'meta_hash': metaHashValue,
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'previous_chain_hash': previousChainHash,
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'chain_hash': chainHash,
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'chain_status': chainStatus,
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};
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}
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Invoice copyWith({
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String? id,
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Customer? customer,
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DateTime? date,
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List<InvoiceItem>? items,
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String? notes,
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String? filePath,
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double? taxRate,
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DocumentType? documentType,
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String? customerFormalNameSnapshot,
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String? odooId,
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bool? isSynced,
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DateTime? updatedAt,
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double? latitude,
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double? longitude,
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String? terminalId,
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bool? isDraft,
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String? subject,
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bool? isLocked,
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int? contactVersionId,
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String? contactEmailSnapshot,
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String? contactTelSnapshot,
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String? contactAddressSnapshot,
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String? companySnapshot,
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String? companySealHash,
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String? metaJson,
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String? metaHash,
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String? previousChainHash,
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String? chainHash,
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String? chainStatus,
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}) {
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return Invoice(
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id: id ?? this.id,
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customer: customer ?? this.customer,
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date: date ?? this.date,
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items: items ?? List.from(this.items),
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notes: notes ?? this.notes,
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filePath: filePath ?? this.filePath,
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taxRate: taxRate ?? this.taxRate,
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documentType: documentType ?? this.documentType,
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customerFormalNameSnapshot: customerFormalNameSnapshot ?? this.customerFormalNameSnapshot,
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odooId: odooId ?? this.odooId,
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isSynced: isSynced ?? this.isSynced,
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updatedAt: updatedAt ?? this.updatedAt,
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latitude: latitude ?? this.latitude,
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longitude: longitude ?? this.longitude,
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terminalId: terminalId ?? this.terminalId,
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isDraft: isDraft ?? this.isDraft,
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subject: subject ?? this.subject,
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isLocked: isLocked ?? this.isLocked,
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contactVersionId: contactVersionId ?? this.contactVersionId,
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contactEmailSnapshot: contactEmailSnapshot ?? this.contactEmailSnapshot,
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contactTelSnapshot: contactTelSnapshot ?? this.contactTelSnapshot,
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contactAddressSnapshot: contactAddressSnapshot ?? this.contactAddressSnapshot,
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companySnapshot: companySnapshot ?? this.companySnapshot,
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companySealHash: companySealHash ?? this.companySealHash,
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metaJson: metaJson ?? this.metaJson,
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metaHash: metaHash ?? this.metaHash,
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previousChainHash: previousChainHash ?? this.previousChainHash,
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chainHash: chainHash ?? this.chainHash,
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chainStatus: chainStatus ?? this.chainStatus,
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);
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}
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String toCsv() {
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final buffer = StringBuffer();
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buffer.writeln('伝票種別,伝票番号,日付,取引先,合計金額,緯度,経度');
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buffer.writeln('$documentTypeName,$invoiceNumber,${DateFormat('yyyy/MM/dd').format(date)},$customerNameForDisplay,$totalAmount,${latitude ?? ""},${longitude ?? ""}');
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buffer.writeln('');
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buffer.writeln('品名,数量,単価,小計');
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for (var item in items) {
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buffer.writeln('${item.description},${item.quantity},${item.unitPrice},${item.subtotal}');
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}
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return buffer.toString();
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}
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}
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