h-1.flutter.4/lib/models/sale.dart

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2.1 KiB
Dart

// Version: 1.1 (売上モデル実装)
import 'dart:convert';
class Sale {
int? id;
String? saleNo;
String customerName;
DateTime date;
double totalAmount;
double taxRate;
Map<String, dynamic>? items; // LineItem ネスト構造
DateTime createdAt;
DateTime updatedAt;
Sale({
this.id,
this.saleNo,
required this.customerName,
required this.date,
required this.totalAmount,
this.taxRate = 10,
this.items,
DateTime? createdAt,
DateTime? updatedAt,
}) : createdAt = createdAt ?? DateTime.now(),
updatedAt = updatedAt ?? DateTime.now();
Map<String, dynamic> toMap() {
return {
'id': id,
'sale_no': saleNo,
'customer_name': customerName,
'date': date.toIso8601String(),
'total_amount': totalAmount,
'tax_rate': taxRate,
'items': items,
'created_at': createdAt.toIso8601String(),
'updated_at': updatedAt.toIso8601String(),
};
}
factory Sale.fromMap(Map<String, dynamic> map) {
return Sale(
id: map['id'] as int?,
saleNo: map['sale_no'] as String?,
customerName: map['customer_name'] as String,
date: DateTime.parse(map['date'] as String),
totalAmount: (map['total_amount'] as num).toDouble(),
taxRate: map['tax_rate'] as double? ?? 10,
items: map['items'] as Map<String, dynamic>? ,
createdAt: map['created_at'] != null ? DateTime.parse(map['created_at']) : DateTime.now(),
updatedAt: map['updated_at'] != null ? DateTime.parse(map['updated_at']) : DateTime.now(),
);
}
String toJson() => json.encode(toMap());
factory Sale.fromJson(String source) => Sale.fromMap(json.decode(source) as Map<String, dynamic>);
@override
String toString() {
return 'Sale(id: $id, saleNo: $saleNo, customerName: $customerName, date: $date, totalAmount: $totalAmount, taxRate: $taxRate, items: $items)';
}
@override
bool operator ==(covariant Sale other) {
if (identical(this, other)) return true;
return other.id == id && other.saleNo == saleNo;
}
@override
int get hashCode => id ^ saleNo;
}