130 lines
3.5 KiB
Dart
130 lines
3.5 KiB
Dart
import 'customer_model.dart';
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import 'package:intl/intl.dart';
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class InvoiceItem {
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final String? id;
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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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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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'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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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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}
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class Invoice {
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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; // 追加
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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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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, // デフォルト10%
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this.odooId,
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this.isSynced = false,
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DateTime? updatedAt,
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}) : id = id ?? DateTime.now().millisecondsSinceEpoch.toString(),
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updatedAt = updatedAt ?? DateTime.now();
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String get invoiceNumber => "INV-${DateFormat('yyyyMMdd').format(date)}-${id.substring(id.length > 4 ? id.length - 4 : 0)}";
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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(); // taxRateを使用
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int get totalAmount => subtotal + tax;
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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, // 追加
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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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};
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}
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// 注: fromMap には Customer オブジェクトが必要なため、
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// リポジトリ層で構築することを想定し、ここでは factory は定義しません。
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String toCsv() {
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final dateFormatter = DateFormat('yyyy/MM/dd');
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StringBuffer buffer = StringBuffer();
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buffer.writeln("日付,請求番号,取引先,合計金額,備考");
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buffer.writeln("${dateFormatter.format(date)},$invoiceNumber,${customer.formalName},$totalAmount,${notes ?? ""}");
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buffer.writeln("");
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buffer.writeln("品名,数量,単価,小計");
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for (var item in items) {
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buffer.writeln("${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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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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String? odooId,
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bool? isSynced,
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DateTime? updatedAt,
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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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odooId: odooId ?? this.odooId,
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isSynced: isSynced ?? this.isSynced,
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updatedAt: updatedAt ?? this.updatedAt,
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);
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}
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}
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