add
This commit is contained in:
macbook_max
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import '../core/network/api_client.dart';
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import '../core/network/endpoints.dart';
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/// 充值套餐档位（《03-接口文档》8.1，后台实时可配，前端不硬编码）
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class RechargePackage {
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const RechargePackage({
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required this.id,
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required this.amountYuan,
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required this.points,
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this.bonus = 0,
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});
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final int id;
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final int amountYuan;
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final int points;
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/// 赠送积分（角标「赠 x 积分」）
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final int bonus;
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/// 到账总积分 = 基础 + 赠送
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int get totalPoints => points + bonus;
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factory RechargePackage.fromJson(Map<String, dynamic> json) =>
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RechargePackage(
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id: (json['id'] as num).toInt(),
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amountYuan: (json['amount_yuan'] as num).toInt(),
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points: (json['points'] as num).toInt(),
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bonus: (json['bonus'] as num?)?.toInt() ?? 0,
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);
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}
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/// 自定义金额配置
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class CustomRechargeConfig {
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const CustomRechargeConfig({
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this.enabled = false,
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this.minYuan = 1,
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this.maxYuan = 10000,
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this.pointsPerYuan = 10,
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});
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final bool enabled;
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final int minYuan;
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final int maxYuan;
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final int pointsPerYuan;
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bool inRange(int yuan) => yuan >= minYuan && yuan <= maxYuan;
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factory CustomRechargeConfig.fromJson(Map<String, dynamic> json) =>
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CustomRechargeConfig(
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enabled: json['enabled'] as bool? ?? false,
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minYuan: (json['min_yuan'] as num?)?.toInt() ?? 1,
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maxYuan: (json['max_yuan'] as num?)?.toInt() ?? 10000,
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pointsPerYuan: (json['points_per_yuan'] as num?)?.toInt() ?? 10,
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);
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}
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/// 支付方式（1支付宝 2微信 3USDT）
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class PayMethod {
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const PayMethod({required this.method, required this.name});
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final int method;
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final String name;
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bool get isUsdt => method == 3;
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factory PayMethod.fromJson(Map<String, dynamic> json) => PayMethod(
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method: (json['method'] as num).toInt(),
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name: json['name'] as String,
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);
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}
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/// 8.1 套餐列表响应
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class PackagesResult {
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const PackagesResult({
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this.packages = const [],
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this.custom = const CustomRechargeConfig(),
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this.payMethods = const [],
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this.usdtRate = 0,
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});
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final List<RechargePackage> packages;
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final CustomRechargeConfig custom;
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final List<PayMethod> payMethods;
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final double usdtRate;
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factory PackagesResult.fromJson(Map<String, dynamic> json) => PackagesResult(
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packages: ((json['packages'] as List?) ?? const [])
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.whereType<Map<String, dynamic>>()
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.map(RechargePackage.fromJson)
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.toList(),
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custom: CustomRechargeConfig.fromJson(
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(json['custom'] as Map<String, dynamic>?) ?? const {},
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),
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payMethods: ((json['pay_methods'] as List?) ?? const [])
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.whereType<Map<String, dynamic>>()
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.map(PayMethod.fromJson)
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.toList(),
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usdtRate: (json['usdt_rate'] as num?)?.toDouble() ?? 0,
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);
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}
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/// 8.2 创建充值订单响应
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/// 支付宝/微信：pay_params 供 SDK 调起；USDT：地址 + 金额（含尾差）+ 网络
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class RechargeOrderInfo {
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const RechargeOrderInfo({
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required this.orderNo,
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required this.payMethod,
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required this.amountYuan,
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required this.points,
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this.expireAt = '',
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this.payParams = const {},
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this.usdtRate,
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this.usdtAmount,
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this.receiveAddress,
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this.network,
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});
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final String orderNo;
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final int payMethod;
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final int amountYuan;
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final int points;
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final String expireAt;
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/// 支付宝 order_string / 微信 appid+prepayid 等
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final Map<String, dynamic> payParams;
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final double? usdtRate;
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final String? usdtAmount;
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final String? receiveAddress;
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final String? network;
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bool get isUsdt => payMethod == 3;
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factory RechargeOrderInfo.fromJson(Map<String, dynamic> json) =>
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RechargeOrderInfo(
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orderNo: json['order_no'] as String,
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payMethod: (json['pay_method'] as num).toInt(),
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amountYuan: (json['amount_yuan'] as num).toInt(),
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points: (json['points'] as num).toInt(),
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expireAt: (json['expire_at'] as String?) ?? '',
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payParams:
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(json['pay_params'] as Map<String, dynamic>?) ?? const {},
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usdtRate: (json['usdt_rate'] as num?)?.toDouble(),
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usdtAmount: json['usdt_amount'] as String?,
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receiveAddress: json['receive_address'] as String?,
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network: json['network'] as String?,
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);
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}
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/// 8.3 查询订单响应（App 轮询用）
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class OrderStatusInfo {
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const OrderStatusInfo({
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required this.orderNo,
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required this.status,
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this.statusText = '',
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this.points = 0,
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this.paidAt,
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this.walletPoints = 0,
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});
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final String orderNo;
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/// 0待支付 1已支付 2已关闭 3已退款
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final int status;
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final String statusText;
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final int points;
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final String? paidAt;
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/// 查单时服务端附带的当前钱包积分
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final int walletPoints;
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bool get isPending => status == 0;
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bool get isPaid => status == 1;
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factory OrderStatusInfo.fromJson(Map<String, dynamic> json) =>
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OrderStatusInfo(
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orderNo: json['order_no'] as String,
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status: (json['status'] as num).toInt(),
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statusText: (json['status_text'] as String?) ?? '',
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points: (json['points'] as num?)?.toInt() ?? 0,
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paidAt: json['paid_at'] as String?,
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walletPoints: (json['wallet_points'] as num?)?.toInt() ?? 0,
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);
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}
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/// 支付服务（《03-接口文档》第 8 章，均需登录）
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class PaymentService {
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PaymentService._();
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/// 8.1 充值套餐列表
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static Future<PackagesResult> fetchPackages() async {
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final data =
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await ApiClient.get<Map<String, dynamic>>(Endpoints.payPackages);
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return PackagesResult.fromJson(data);
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}
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/// 8.2 创建充值订单
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/// 错误码：1001 金额不在可选档位
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static Future<RechargeOrderInfo> createRecharge({
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required int amountYuan,
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required int payMethod,
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}) async {
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final data = await ApiClient.post<Map<String, dynamic>>(
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Endpoints.recharge,
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data: {'amount_yuan': amountYuan, 'pay_method': payMethod},
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);
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return RechargeOrderInfo.fromJson(data);
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}
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/// 8.3 查询订单状态
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/// 错误码：3001 订单不存在
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static Future<OrderStatusInfo> fetchOrder(String orderNo) async {
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final data = await ApiClient.get<Map<String, dynamic>>(
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Endpoints.orderDetail(orderNo),
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);
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return OrderStatusInfo.fromJson(data);
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}
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/// 8.4 取消订单（仅待支付可取消）
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/// 错误码：3001 订单不存在，3002 订单状态异常
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static Future<void> cancelOrder(String orderNo) async {
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await ApiClient.post<Map<String, dynamic>>(
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Endpoints.orderCancel(orderNo),
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);
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}
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}
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