94 lines
2.8 KiB
Dart
94 lines
2.8 KiB
Dart
// 功能描述：银行卡与提现申请的严格领域模型；版本：1.0.0。
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/// 本人已绑定银行卡只保留服务端返回的脱敏字段。
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class WalletBank {
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const WalletBank({
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required this.identity,
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required this.maskedNumber,
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required this.bankName,
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required this.owner,
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required this.type,
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required this.isDefault,
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});
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final String identity, maskedNumber, bankName, owner, type;
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final bool isDefault;
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factory WalletBank.fromJson(Map<String, Object?> json) {
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final identity = json['identity'], number = json['card_no_masked'];
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if (identity is! String || identity.isEmpty || number is! String || number.isEmpty) {
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throw const FormatException('银行卡数据不完整');
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}
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return WalletBank(
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identity: identity,
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maskedNumber: number,
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bankName: json['bank_name'] as String? ?? '银行卡',
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owner: json['card_owner'] as String? ?? '',
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type: json['bank_type'] as String? ?? '',
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isDefault: json['is_default'] == true,
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);
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}
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String get typeName => switch (type) {
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'debit' || 'saving' => '储蓄卡',
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'credit' => '信用卡',
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_ => type,
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};
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}
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/// 提现状态必须来自服务端，申请成功只表示进入审核流程。
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class WalletWithdrawal {
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const WalletWithdrawal({
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required this.identity,
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required this.number,
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required this.amount,
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required this.fee,
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required this.status,
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required this.createdAt,
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});
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final String identity, number;
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final int amount, fee, status;
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final DateTime createdAt;
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factory WalletWithdrawal.fromJson(Map<String, Object?> json) {
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final identity = json['identity'], amount = json['amount'], fee = json['fee'];
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final createdAt = DateTime.tryParse(json['created_at'] as String? ?? '');
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if (identity is! String ||
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identity.isEmpty ||
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amount is! int ||
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amount <= 0 ||
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fee is! int ||
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fee < 0 ||
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json['apply_status'] is! int ||
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createdAt == null) {
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throw const FormatException('提现记录数据不完整');
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}
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return WalletWithdrawal(
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identity: identity,
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number: json['cash_no'] as String? ?? '',
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amount: amount,
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fee: fee,
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status: json['apply_status'] as int,
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createdAt: createdAt.toLocal(),
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);
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}
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String get statusName => switch (status) {
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10 => '待审核',
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18 => '处理中',
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23 => '已到账',
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30 => '已拒绝',
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31 => '已退回',
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_ => '状态待确认',
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};
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}
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/// 金额文本直接转整数分，禁止浮点舍入和指数格式。
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int? parseWithdrawalAmount(String value) {
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final text = value.trim();
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if (!RegExp(r'^\d{1,9}(\.\d{1,2})?$').hasMatch(text)) return null;
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final parts = text.split('.');
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return int.parse(parts[0]) * 100 + (parts.length == 1 ? 0 : int.parse(parts[1].padRight(2, '0')));
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}
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