112 lines
3.8 KiB
Dart
112 lines
3.8 KiB
Dart
// 功能描述：用户押金汇总与单瓶押金事实；版本：1.0.0。
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/// 单只气瓶的押金状态，金额单位为分。
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class DepositRecord {
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const DepositRecord({
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required this.identity,
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required this.depositNo,
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required this.status,
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required this.statusName,
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required this.amount,
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required this.productName,
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required this.productCode,
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required this.paidAt,
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required this.refundedAt,
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required this.allowedActions,
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this.returnRequestIdentity = '',
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this.returnStatusName = '',
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});
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final String identity, depositNo, statusName, productName, productCode;
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final String returnRequestIdentity, returnStatusName;
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final int status, amount;
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final DateTime paidAt;
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final DateTime? refundedAt;
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final List<String> allowedActions;
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factory DepositRecord.fromJson(Map<String, Object?> data) {
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final paidAt = DateTime.tryParse(data['paid_at']?.toString() ?? '');
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if (data['identity'] is! String ||
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data['deposit_no'] is! String ||
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data['deposit_status'] is! int ||
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data['amount'] is! int ||
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(data['amount'] as int) < 0 ||
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paidAt == null) {
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throw const FormatException('押金记录数据异常');
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}
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return DepositRecord(
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identity: data['identity'] as String,
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depositNo: data['deposit_no'] as String,
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status: data['deposit_status'] as int,
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statusName: data['status_name'] as String? ?? '处理中',
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amount: data['amount'] as int,
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productName: data['product_name'] as String? ?? '',
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productCode: data['product_code'] as String? ?? '',
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paidAt: paidAt.toLocal(),
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refundedAt: data['refunded_at'] == null
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? null
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: DateTime.tryParse(data['refunded_at'].toString())?.toLocal(),
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allowedActions: (data['allowed_actions'] as List? ?? []).whereType<String>().toList(),
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returnRequestIdentity: data['return_request_identity'] as String? ?? '',
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returnStatusName: data['return_status_name'] as String? ?? '',
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);
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}
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}
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/// 押金页一次读取的服务端快照。
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class DepositSummary {
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const DepositSummary({
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required this.refundableAmount,
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required this.usingCount,
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required this.items,
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required this.ruleText,
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});
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final int refundableAmount, usingCount;
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final List<DepositRecord> items;
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final String ruleText;
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factory DepositSummary.fromJson(Map<String, Object?> data) {
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if (data['refundable_amount'] is! int ||
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data['using_count'] is! int ||
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data['items'] is! List) {
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throw const FormatException('押金汇总数据异常');
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}
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return DepositSummary(
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refundableAmount: data['refundable_amount'] as int,
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usingCount: data['using_count'] as int,
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items: (data['items'] as List)
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.whereType<Map<Object?, Object?>>()
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.map((item) => DepositRecord.fromJson(Map<String, Object?>.from(item)))
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.toList(),
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ruleText: data['rule_text'] as String? ?? '',
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);
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}
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}
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// DepositReturnRequest 表示退瓶申请的可见状态，不暴露内部关联主键。
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class DepositReturnRequest {
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const DepositReturnRequest({
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required this.identity,
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required this.status,
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required this.statusName,
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required this.estimatedAmount,
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required this.refundAmount,
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});
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final String identity, statusName;
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final int status, estimatedAmount, refundAmount;
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factory DepositReturnRequest.fromJson(Map<String, Object?> data) {
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if (data['identity'] is! String || data['return_status'] is! int) {
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throw const FormatException('退瓶申请数据不完整');
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}
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return DepositReturnRequest(
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identity: data['identity'] as String,
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status: data['return_status'] as int,
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statusName: data['status_name'] as String? ?? '处理中',
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estimatedAmount: data['estimated_amount'] as int? ?? 0,
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refundAmount: data['refund_amount'] as int? ?? 0,
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);
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}
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}
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