deepvoice_client/lib/modules/goods/controllers/goodstrade_controller.dart

import 'package:get/get.dart';
import '../../../routes/app_routes.dart';

class TradeItem {
  final String id;
  final String title;
  final String description;
  final double price;
  final String productId;

  TradeItem({
    required this.id,
    required this.title,
    required this.description,
    required this.price,
    required this.productId,
  });
}

class GoodstradeController extends GetxController {
  final RxList<TradeItem> items = <TradeItem>[].obs;
  final RxBool loading = false.obs;
  final RxString error = ''.obs;

  @override
  void onInit() {
    super.onInit();
    _loadProducts();
  }

  Future<void> _loadProducts() async {
    loading.value = true;
    error.value = '';
    try {
      items.assignAll([
        TradeItem(
          id: 'trans_100',
          title: '翻译包 100 分钟',
          description: '实时翻译服务时长包',
          price: 19.9,
          productId: 'trans_100',
        ),
        TradeItem(
          id: 'trans_500',
          title: '翻译包 500 分钟',
          description: '更划算的翻译时长包',
          price: 79.9,
          productId: 'trans_500',
        ),
      ]);
    } catch (e) {
      error.value = e.toString();
    } finally {
      loading.value = false;
    }
  }

  void purchase(TradeItem item) {
    Get.toNamed(Routes.payment, arguments: {
      'productId': item.productId,
      'amount': item.price,
      'description': item.title,
    });
  }
}