87 lines
3.1 KiB
C#
87 lines
3.1 KiB
C#
using OpenSearch.Client;
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namespace Store.Modules.CloudProduct.Dtos
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{
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/// <summary>
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/// 用户收藏商品搜索文档：OpenSearch 索引中的收藏模型。
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/// 一条收藏记录 = 用户 + 商品快照（标题/价格/销量/类目）+ 收藏分组，
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/// 文档 Id 固定为 "{user_name}:{goods_id}"（表 uk_user_goods 保证唯一），便于收藏/取消收藏时幂等覆盖与删除。
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/// </summary>
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public class UserFavoritesSearchDocument
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{
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/// <summary>
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/// 文档主键（同时作为 OpenSearch 的 _id）：{user_name}:{goods_id}
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/// </summary>
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[Keyword(Name = "id")]
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public string Id { get; set; } = string.Empty;
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/// <summary>
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/// 收藏记录自增主键（user_goods_favorites.id）
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/// </summary>
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[Number(NumberType.Long, Name = "fav_id")]
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public long FavId { get; set; }
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/// <summary>用户名（收藏归属人，检索时强制过滤）</summary>
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[Keyword(Name = "user_name")]
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public string UserName { get; set; } = string.Empty;
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/// <summary>收藏分组ID（0 表示默认分组）</summary>
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[Number(NumberType.Integer, Name = "group_id")]
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public int GroupId { get; set; }
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/// <summary>收藏分组名（分组ID为0时为默认分组名）</summary>
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[Keyword(Name = "group_name")]
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public string GroupName { get; set; } = string.Empty;
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/// <summary>商品编号</summary>
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[Number(NumberType.Long, Name = "goods_id")]
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public long GoodsId { get; set; }
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/// <summary>平台类型（1 PDD、2 WX）</summary>
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[Number(NumberType.Byte, Name = "platform")]
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public byte Platform { get; set; }
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/// <summary>商品标题，用于分词搜索</summary>
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[Text(Name = "title", Analyzer = "ik_max_word", SearchAnalyzer = "ik_smart")]
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public string Title { get; set; } = string.Empty;
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/// <summary>缩略图</summary>
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[Text(Name = "thumb_url")]
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public string? ThumbUrl { get; set; }
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/// <summary>一级类目ID</summary>
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[Number(NumberType.Integer, Name = "cat_id_1")]
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public int? CatId1 { get; set; }
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/// <summary>二级类目ID</summary>
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[Number(NumberType.Integer, Name = "cat_id_2")]
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public int? CatId2 { get; set; }
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/// <summary>三级类目ID</summary>
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[Number(NumberType.Integer, Name = "cat_id_3")]
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public int? CatId3 { get; set; }
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/// <summary>四级类目ID</summary>
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[Number(NumberType.Integer, Name = "cat_id_4")]
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public int? CatId4 { get; set; }
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/// <summary>最低价快照（分），用于价格区间过滤和按价格排序</summary>
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[Number(NumberType.Long, Name = "min_price")]
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public long? MinPrice { get; set; }
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/// <summary>销量，用于按销量排序</summary>
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[Number(NumberType.Integer, Name = "sold_quantity")]
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public int SoldQuantity { get; set; }
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/// <summary>收藏时间，默认按此字段倒序</summary>
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[Date(Name = "created_at")]
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public DateTime CreatedAt { get; set; }
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/// <summary>
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/// 生成文档主键：{user_name}:{goods_id}
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/// </summary>
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public static string BuildId(string userName, long goodsId) => $"{userName}:{goodsId}";
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public override string ToString() => $"[Id={Id}] User={UserName} Goods={GoodsId} Group={GroupId}({GroupName}) Title={Title} Price={MinPrice} Sold={SoldQuantity}";
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}
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} |