h-1.flutter.0/lib/models/invoice_models.dart

130 lines
3.5 KiB
Dart

import 'customer_model.dart';
import 'package:intl/intl.dart';
class InvoiceItem {
final String? id;
String description;
int quantity;
int unitPrice;
InvoiceItem({
this.id,
required this.description,
required this.quantity,
required this.unitPrice,
});
int get subtotal => quantity * unitPrice;
Map<String, dynamic> toMap(String invoiceId) {
return {
'id': id ?? DateTime.now().microsecondsSinceEpoch.toString(),
'invoice_id': invoiceId,
'description': description,
'quantity': quantity,
'unit_price': unitPrice,
};
}
factory InvoiceItem.fromMap(Map<String, dynamic> map) {
return InvoiceItem(
id: map['id'],
description: map['description'],
quantity: map['quantity'],
unitPrice: map['unit_price'],
);
}
}
class Invoice {
final String id;
final Customer customer;
final DateTime date;
final List<InvoiceItem> items;
final String? notes;
final String? filePath;
final double taxRate; // 追加
final String? odooId;
final bool isSynced;
final DateTime updatedAt;
Invoice({
String? id,
required this.customer,
required this.date,
required this.items,
this.notes,
this.filePath,
this.taxRate = 0.10, // デフォルト10%
this.odooId,
this.isSynced = false,
DateTime? updatedAt,
}) : id = id ?? DateTime.now().millisecondsSinceEpoch.toString(),
updatedAt = updatedAt ?? DateTime.now();
String get invoiceNumber => "INV-${DateFormat('yyyyMMdd').format(date)}-${id.substring(id.length > 4 ? id.length - 4 : 0)}";
int get subtotal => items.fold(0, (sum, item) => sum + item.subtotal);
int get tax => (subtotal * taxRate).floor(); // taxRateを使用
int get totalAmount => subtotal + tax;
Map<String, dynamic> toMap() {
return {
'id': id,
'customer_id': customer.id,
'date': date.toIso8601String(),
'notes': notes,
'file_path': filePath,
'total_amount': totalAmount,
'tax_rate': taxRate, // 追加
'odoo_id': odooId,
'is_synced': isSynced ? 1 : 0,
'updated_at': updatedAt.toIso8601String(),
};
}
// 注: fromMap には Customer オブジェクトが必要なため、
// 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。
String toCsv() {
final dateFormatter = DateFormat('yyyy/MM/dd');
StringBuffer buffer = StringBuffer();
buffer.writeln("日付,請求番号,取引先,合計金額,備考");
buffer.writeln("${dateFormatter.format(date)},$invoiceNumber,${customer.formalName},$totalAmount,${notes ?? ""}");
buffer.writeln("");
buffer.writeln("品名,数量,単価,小計");
for (var item in items) {
buffer.writeln("${item.description},${item.quantity},${item.unitPrice},${item.subtotal}");
}
return buffer.toString();
}
Invoice copyWith({
String? id,
Customer? customer,
DateTime? date,
List<InvoiceItem>? items,
String? notes,
String? filePath,
double? taxRate,
String? odooId,
bool? isSynced,
DateTime? updatedAt,
}) {
return Invoice(
id: id ?? this.id,
customer: customer ?? this.customer,
date: date ?? this.date,
items: items ?? List.from(this.items),
notes: notes ?? this.notes,
filePath: filePath ?? this.filePath,
taxRate: taxRate ?? this.taxRate,
odooId: odooId ?? this.odooId,
isSynced: isSynced ?? this.isSynced,
updatedAt: updatedAt ?? this.updatedAt,
);
}
}