// 功能描述：一级页面使用的不可变领域数据，金额统一为整数分。
// 版本：1.0.0

/// 已发布内容；正文和版本由内容后台维护。
class PublishedContent {
  const PublishedContent({
    required this.identity,
    required this.title,
    required this.body,
    required this.type,
    required this.version,
    this.publishedAt,
  });
  final String identity, title, body, type;
  final int version;
  final DateTime? publishedAt;
}

/// 商品公开摘要，只使用公开标识和服务端价格库存。
class ProductSummary {
  const ProductSummary({
    required this.identity,
    required this.name,
    required this.price,
    required this.stock,
    this.category = '',
    this.imageUrl = '',
  });
  final String identity, name, category, imageUrl;
  final int price, stock;
}

/// 有效服务归属；配送点为空表示气站直接服务。
class ServiceRelation {
  const ServiceRelation({required this.gasName, required this.deliveryName});
  final String gasName, deliveryName;
}