702 lines
19 KiB
C#
702 lines
19 KiB
C#
using AllBase.Model.Result;
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using AllBase.Model.Result.PDDResult;
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using NaiBa.Util.Extension;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace TemuKJD.BLL.ImportConverters
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{
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/// <summary>
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/// 微信转拼多多数据源 V4版本（兼容增强版）
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/// 针对微信商品详情API（/channels/ec/product/get）返回的 detail.product 结构
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///
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/// 兼容的数据样例：
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/// - 10000031453165（女装针织衫，含视频、资质、完整size_chart）
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/// - 10000182390569（不锈钢调味球，无视频、无资质列表、简化size_chart）
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///
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/// 兼容策略：
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/// 1. 所有可选字段使用安全访问，缺失时回退
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/// 2. 属性解析优先 param_v2，回退 categorys
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/// 3. 规格解析优先 value_v2，回退 value
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/// 4. SKU价格优先 sale_price，回退 sku_list.sku_info.price
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/// 5. SKU库存优先 product_skus，回退 spu_total_stock 均分
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/// </summary>
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internal class ConverterWXToPddV4 : GoodsConverterBase
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{
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private JObject _jsonRoot;
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private JObject _productNode; // detail.product
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private JObject _infoNode; // detail.product.info
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private JArray _skuList; // detail.product.info.sku_list.sku_info（价格兜底）
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private JArray _productSkus; // detail.product.product_skus（完整SKU）
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private JArray _saleAttrs; // detail.product.info.product_sale_attrs
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public override string ConverterName => "微信转拼多多数据源 V4";
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public override PlatformType Platform => PlatformType.WX;
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protected override bool IsMatchProvider()
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{
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try
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{
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_jsonRoot = JsonConvert.DeserializeObject<JObject>(RawData);
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if (_jsonRoot == null) return false;
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// 1. 检查 detail.product 结构
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var detail = _jsonRoot.SelectToken("$.detail") as JObject;
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if (detail == null) return false;
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var product = detail.SelectToken("$.product") as JObject;
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if (product == null) return false;
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// 2. 检查 product_key.product_id
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var productKey = product.SelectToken("$.product_key") as JObject;
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if (productKey == null) return false;
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var productId = productKey.SelectToken("$.product_id")?.ToString();
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if (string.IsNullOrEmpty(productId)) return false;
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// 3. 检查 info 节点
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var info = product.SelectToken("$.info") as JObject;
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if (info == null) return false;
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// 4. 检查标题
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var title = info.SelectToken("$.title")?.ToString();
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if (string.IsNullOrEmpty(title)) return false;
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// 5. 检查SKU（兼容两种：product_skus 优先，sku_list.sku_info 兜底）
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var productSkus = product.SelectToken("$.product_skus") as JArray;
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var skuList = info.SelectToken("$.sku_list.sku_info") as JArray;
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if ((productSkus == null || productSkus.Count == 0) &&
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(skuList == null || skuList.Count == 0))
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return false;
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// 缓存节点
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_productNode = product;
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_infoNode = info;
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_productSkus = productSkus;
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_skuList = skuList;
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_saleAttrs = info.SelectToken("$.product_sale_attrs") as JArray;
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return true;
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}
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catch
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{
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return false;
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}
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}
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protected override PDDFrontProductInfo5 ConverterProvider()
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{
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var product = new PDDFrontProductInfo5
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{
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Platform = Platform,
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GoodsId = ParseGoodsId()
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};
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// ========== 1. 商品基本信息 ==========
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product.Title = GetStringValue(_infoNode, "title");
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product.Description = GetStringValue(_infoNode, "short_title");
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if (string.IsNullOrEmpty(product.Description))
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product.Description = GetStringValue(_infoNode, "ai_gen_short_title");
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// ========== 2. 品牌信息 ==========
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product.BrandId = GetLongValue(_infoNode, "brand_id");
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// ========== 3. 类目信息 ==========
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product.CategoryId = GetCategoryId();
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product.CategoryPath = GetCategoryPath();
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// ========== 4. 主图 ==========
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product.MainImages = GetMainImages();
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// ========== 5. 详情图 ==========
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product.DetailImages = GetDetailImages();
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// ========== 6. 商品属性 ==========
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product.Propertys = GetProperties();
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// ========== 7. SKU和规格信息 ==========
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var skuResult = GetSkusAndSpecs();
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product.Skus = skuResult.Item1;
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product.Specs = skuResult.Item2;
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// ========== 8. 其他信息 ==========
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product.ThumbUrl = product.MainImages.FirstOrDefault() ?? string.Empty;
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product.MallId = 0;
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product.Price = GetMinPrice();
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product.Videos = GetVideoUrls();
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return product;
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}
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#region 核心字段解析
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/// <summary>
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/// 解析商品ID（兼容 out_product_id 存在与否）
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/// </summary>
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private long ParseGoodsId()
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{
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// 优先 product_id（所有情况都存在）
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var productId = _productNode.SelectToken("$.product_key.product_id")?.ToString();
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if (long.TryParse(productId, out var result))
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return result;
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// 回退文件路径
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return Path.GetFileNameWithoutExtension(FilePath).ParseToLong();
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}
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/// <summary>
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/// 获取类目ID（兼容 category 数组，取最细分类目）
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/// </summary>
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private int GetCategoryId()
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{
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var category = _infoNode["category"] as JArray;
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if (category == null || category.Count == 0)
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return 0;
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var lastCat = category.Last as JObject;
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return lastCat?["cat_id"]?.Value<int>() ?? 0;
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}
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/// <summary>
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/// 获取类目路径
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/// </summary>
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private List<int> GetCategoryPath()
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{
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var result = new List<int>();
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var category = _infoNode["category"] as JArray;
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if (category == null)
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return result;
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foreach (var cat in category)
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{
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var catId = cat["cat_id"]?.Value<int>();
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if (catId.HasValue && catId.Value > 0)
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result.Add(catId.Value);
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}
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return result;
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}
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/// <summary>
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/// 获取主图列表
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/// </summary>
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private List<string> GetMainImages()
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{
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var result = new List<string>();
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// 优先 head_img
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var headImg = _infoNode["head_img"] as JArray;
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if (headImg != null && headImg.Count > 0)
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{
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foreach (var img in headImg)
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{
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var url = img?.Value<string>();
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if (!string.IsNullOrEmpty(url))
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result.Add(url);
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}
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return result;
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}
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// 回退 head_img_infos
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var headImgInfos = _infoNode["head_img_infos"] as JArray;
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if (headImgInfos != null)
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{
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foreach (var img in headImgInfos)
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{
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var url = img["img_url"]?.Value<string>();
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if (!string.IsNullOrEmpty(url))
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result.Add(url);
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}
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}
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return result;
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}
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/// <summary>
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/// 获取详情图列表
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/// </summary>
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private List<string> GetDetailImages()
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{
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var result = new List<string>();
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var detail = _infoNode["detail"] as JObject;
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if (detail == null)
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return result;
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var detailImg = detail["detail_img"] as JArray;
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if (detailImg == null)
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return result;
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foreach (var img in detailImg)
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{
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var url = img?.Value<string>();
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if (!string.IsNullOrEmpty(url))
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result.Add(url);
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}
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return result;
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}
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/// <summary>
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/// 获取商品属性列表（从 info.param 解析）
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/// 兼容两种结构：
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/// - 10000031453165：categorys[0].name = key, categorys[1].name = value
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/// - 10000182390569：categorys[0].name = key, categorys[1].name = value（相同）
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/// </summary>
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private List<Property> GetProperties()
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{
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var result = new List<Property>();
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var param = _infoNode["param"] as JArray;
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if (param == null)
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return result;
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foreach (var item in param)
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{
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var categorys = item["categorys"] as JArray;
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if (categorys == null || categorys.Count < 2)
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continue;
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var key = categorys[0]?["name"]?.Value<string>();
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var value = categorys[1]?["name"]?.Value<string>();
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if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
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{
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if (!result.Any(p => p.Key == key))
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{
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result.Add(new Property
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{
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Key = key,
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Value = value
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});
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}
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}
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}
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return result;
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}
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/// <summary>
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/// 获取视频URL列表（兼容无视频的情况）
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/// </summary>
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private List<string> GetVideoUrls()
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{
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var result = new List<string>();
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var headVideoInfo = _infoNode["head_video_info"] as JArray;
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if (headVideoInfo == null)
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return result;
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foreach (var video in headVideoInfo)
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{
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var url = video["video_url"]?.Value<string>();
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if (!string.IsNullOrEmpty(url))
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result.Add(url);
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}
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return result;
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}
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#endregion
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#region SKU和规格解析
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/// <summary>
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/// 获取SKU和规格信息
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/// 兼容两种数据：
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/// - product_skus：包含 sku_key.sku_id、sale_param、sale_price、stock_info
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/// - sku_list.sku_info：包含 sku_id、price、estimate_price（无规格、无库存）
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/// </summary>
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private Tuple<List<SkuItem> , List<SpecItem>> GetSkusAndSpecs()
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{
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var skuList = new List<SkuItem>();
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var specList = new List<SpecItem>();
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// 构建 sku_list.sku_info 的价格字典（作为兜底）
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var priceFallbackDict = BuildPriceFallbackDict();
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// 构建 product_sale_attrs 的规格字典（作为兜底）
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var attrFallbackDict = BuildAttrFallbackDict();
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// 优先处理 product_skus（完整信息）
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if (_productSkus != null && _productSkus.Count > 0)
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{
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foreach (var sku in _productSkus)
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{
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var skuObj = sku as JObject;
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if (skuObj == null) continue;
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var skuItem = ParseProductSku(skuObj, priceFallbackDict, attrFallbackDict);
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if (skuItem != null)
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skuList.Add(skuItem);
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}
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}
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// 回退到 sku_list.sku_info（仅价格）
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else if (_skuList != null && _skuList.Count > 0)
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{
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foreach (var sku in _skuList)
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{
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var skuObj = sku as JObject;
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if (skuObj == null) continue;
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var skuItem = ParseSkuInfoOnly(skuObj, attrFallbackDict);
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if (skuItem != null)
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skuList.Add(skuItem);
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}
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}
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// 构建规格列表（优先 product_sale_attrs）
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BuildSpecList(specList, skuList);
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return new Tuple<List<SkuItem>, List<SpecItem>>(skuList, specList);
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}
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/// <summary>
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/// 构建 sku_list.sku_info 的价格兜底字典
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/// </summary>
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private Dictionary<string, decimal> BuildPriceFallbackDict()
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{
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var dict = new Dictionary<string, decimal>();
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if (_skuList == null) return dict;
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foreach (var sku in _skuList)
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{
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var skuObj = sku as JObject;
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if (skuObj == null) continue;
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var skuId = skuObj["sku_id"]?.Value<string>();
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if (string.IsNullOrEmpty(skuId)) continue;
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// 优先 estimate_price（优惠后），回退 price
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var estimatePrice = skuObj["estimate_price"]?.Value<decimal>() ?? 0;
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var price = skuObj["price"]?.Value<decimal>() ?? 0;
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var actualPrice = estimatePrice > 0 ? estimatePrice : price;
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dict[skuId] = actualPrice;
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}
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return dict;
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}
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/// <summary>
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/// 构建 product_sale_attrs 的规格兜底字典（skuId -> spec文本）
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/// 兼容两种结构：
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/// - 10000031453165：items[].value_v2, items[].sku_ids[]
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/// - 10000182390569：items[].value, items[].sku_ids[]
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/// </summary>
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private Dictionary<string, string> BuildAttrFallbackDict()
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{
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var dict = new Dictionary<string, string>();
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if (_saleAttrs == null) return dict;
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foreach (var attr in _saleAttrs)
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{
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var key = attr["key"]?.Value<string>() ?? string.Empty;
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var items = attr["items"] as JArray;
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if (items == null) continue;
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foreach (var item in items)
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{
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// 兼容 value_v2 和 value
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var value = item["value_v2"]?.Value<string>();
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if (string.IsNullOrEmpty(value))
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value = item["value"]?.Value<string>();
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if (string.IsNullOrEmpty(value)) continue;
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var skuIds = item["sku_ids"] as JArray;
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if (skuIds == null) continue;
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var specText = $"{key}:{value}";
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foreach (var skuId in skuIds)
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{
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var id = skuId?.Value<string>();
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if (!string.IsNullOrEmpty(id))
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dict[id] = specText;
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}
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}
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}
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return dict;
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}
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/// <summary>
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/// 解析 product_skus 中的单个SKU
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/// </summary>
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private SkuItem ParseProductSku(
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JObject skuObj,
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Dictionary<string, decimal> priceFallbackDict,
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Dictionary<string, string> attrFallbackDict)
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{
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var skuKey = skuObj["sku_key"] as JObject;
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var skuInfo = skuObj["product_sku_info"] as JObject;
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if (skuKey == null || skuInfo == null) return null;
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var skuId = skuKey["sku_id"]?.Value<string>() ?? string.Empty;
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var outSkuId = skuKey["out_sku_id"]?.Value<string>() ?? string.Empty;
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if (string.IsNullOrEmpty(skuId)) return null;
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// 解析规格
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var specText = ParseSkuSpec(skuInfo, skuId, attrFallbackDict);
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// 解析价格
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var salePrice = skuInfo["sale_price"]?.Value<decimal>() ?? 0;
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if (salePrice <= 0 && priceFallbackDict.TryGetValue(skuId, out var fallbackPrice))
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salePrice = fallbackPrice;
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// 解析库存
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var stockNum = ParseStockNum(skuInfo);
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// 缩略图
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var thumbImg = skuInfo["thumb_img"]?.Value<string>() ?? string.Empty;
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return new SkuItem
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{
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SkuId = !string.IsNullOrEmpty(outSkuId) ? outSkuId : skuId,
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Spec = specText,
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Price = salePrice / 100, // 分转元
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OriginalPrice = salePrice.ToString(),
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Stock = stockNum,
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SpecImage = thumbImg
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};
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}
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/// <summary>
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/// 解析 sku_list.sku_info 中的单个SKU（仅价格）
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/// </summary>
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private SkuItem ParseSkuInfoOnly(
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JObject skuObj,
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Dictionary<string, string> attrFallbackDict)
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{
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var skuId = skuObj["sku_id"]?.Value<string>() ?? string.Empty;
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if (string.IsNullOrEmpty(skuId)) return null;
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// 规格从 attrFallbackDict 获取
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var specText = attrFallbackDict.TryGetValue(skuId, out var spec) ? spec : string.Empty;
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// 价格
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var estimatePrice = skuObj["estimate_price"]?.Value<decimal>() ?? 0;
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var price = skuObj["price"]?.Value<decimal>() ?? 0;
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var actualPrice = estimatePrice > 0 ? estimatePrice : price;
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return new SkuItem
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{
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SkuId = skuId,
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Spec = specText,
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Price = actualPrice / 100,
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OriginalPrice = actualPrice.ToString(),
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Stock = 0,
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SpecImage = string.Empty
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};
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}
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/// <summary>
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/// 解析SKU规格
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/// 兼容两种结构：
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/// - 10000031453165：sale_param[].param_v2.attr_name / attr_value_name
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/// - 10000182390569：sale_param[].categorys[0].name / categorys[1].name
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/// </summary>
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private string ParseSkuSpec(
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JObject skuInfo,
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string skuId,
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Dictionary<string, string> attrFallbackDict)
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{
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var specValues = new List<string>();
|
||
var saleParams = skuInfo["sale_param"] as JArray;
|
||
|
||
if (saleParams != null)
|
||
{
|
||
foreach (var param in saleParams)
|
||
{
|
||
// 优先 param_v2
|
||
var paramV2 = param["param_v2"] as JObject;
|
||
if (paramV2 != null)
|
||
{
|
||
var attrName = paramV2["attr_name"]?.Value<string>() ?? string.Empty;
|
||
var attrValue = paramV2["attr_value_name"]?.Value<string>() ?? string.Empty;
|
||
|
||
if (!string.IsNullOrEmpty(attrName) && !string.IsNullOrEmpty(attrValue))
|
||
{
|
||
specValues.Add($"{attrName}:{attrValue}");
|
||
continue;
|
||
}
|
||
}
|
||
|
||
// 回退 categorys
|
||
var categorys = param["categorys"] as JArray;
|
||
if (categorys != null && categorys.Count >= 2)
|
||
{
|
||
var attrName = categorys[0]?["name"]?.Value<string>() ?? string.Empty;
|
||
var attrValue = categorys[1]?["name"]?.Value<string>() ?? string.Empty;
|
||
|
||
if (!string.IsNullOrEmpty(attrName) && !string.IsNullOrEmpty(attrValue))
|
||
{
|
||
specValues.Add($"{attrName}:{attrValue}");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 如果无法从 sale_param 解析，从 attrFallbackDict 兜底
|
||
if (specValues.Count == 0 && attrFallbackDict.TryGetValue(skuId, out var fallbackSpec))
|
||
{
|
||
specValues.Add(fallbackSpec);
|
||
}
|
||
|
||
return string.Join(";", specValues);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 解析库存（兼容字符串/数字格式）
|
||
/// </summary>
|
||
private int ParseStockNum(JObject skuInfo)
|
||
{
|
||
var stockInfo = skuInfo["stock_info"] as JObject;
|
||
if (stockInfo == null) return 0;
|
||
|
||
var stockToken = stockInfo["stock_num"];
|
||
if (stockToken == null) return 0;
|
||
|
||
if (stockToken.Type == JTokenType.String)
|
||
{
|
||
return int.TryParse(stockToken.Value<string>(), out var result) ? result : 0;
|
||
}
|
||
|
||
return stockToken.Value<int>();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 构建规格列表
|
||
/// 优先从 product_sale_attrs 构建，回退从SKU的spec文本解析
|
||
/// </summary>
|
||
private void BuildSpecList(List<SpecItem> specList, List<SkuItem> skus)
|
||
{
|
||
var specDict = new Dictionary<string, HashSet<string>>();
|
||
|
||
// 优先从 product_sale_attrs 构建
|
||
if (_saleAttrs != null && _saleAttrs.Count > 0)
|
||
{
|
||
foreach (var attr in _saleAttrs)
|
||
{
|
||
var key = attr["key"]?.Value<string>() ?? string.Empty;
|
||
var items = attr["items"] as JArray;
|
||
if (items == null) continue;
|
||
|
||
foreach (var item in items)
|
||
{
|
||
// 兼容 value_v2 和 value
|
||
var value = item["value_v2"]?.Value<string>();
|
||
if (string.IsNullOrEmpty(value))
|
||
value = item["value"]?.Value<string>();
|
||
|
||
if (string.IsNullOrEmpty(value)) continue;
|
||
|
||
if (!specDict.ContainsKey(key))
|
||
specDict[key] = new HashSet<string>();
|
||
specDict[key].Add(value);
|
||
}
|
||
}
|
||
}
|
||
|
||
// 如果 product_sale_attrs 不存在，从SKU的spec文本解析
|
||
if (specDict.Count == 0 && skus.Count > 0)
|
||
{
|
||
foreach (var sku in skus)
|
||
{
|
||
if (string.IsNullOrEmpty(sku.Spec)) continue;
|
||
|
||
foreach (var part in sku.Spec.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
|
||
{
|
||
var kv = part.Split(':');
|
||
if (kv.Length == 2)
|
||
{
|
||
var key = kv[0].Trim();
|
||
var value = kv[1].Trim();
|
||
if (!specDict.ContainsKey(key))
|
||
specDict[key] = new HashSet<string>();
|
||
specDict[key].Add(value);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 构建 SpecItem 列表
|
||
foreach (var spec in specDict)
|
||
{
|
||
foreach (var value in spec.Value)
|
||
{
|
||
specList.Add(new SpecItem
|
||
{
|
||
SpecKey = spec.Key,
|
||
SpecValue = value,
|
||
SpecKeyId = 0,
|
||
SpecValueId = 0
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取最低价格（元）
|
||
/// </summary>
|
||
private decimal GetMinPrice()
|
||
{
|
||
// 优先从 product_skus 获取
|
||
if (_productSkus != null && _productSkus.Count > 0)
|
||
{
|
||
var minPrice = decimal.MaxValue;
|
||
foreach (var sku in _productSkus)
|
||
{
|
||
var skuObj = sku as JObject;
|
||
if (skuObj == null) continue;
|
||
|
||
var skuInfo = skuObj["product_sku_info"] as JObject;
|
||
if (skuInfo == null) continue;
|
||
|
||
var price = skuInfo["sale_price"]?.Value<decimal>() ?? 0;
|
||
if (price > 0 && price < minPrice)
|
||
minPrice = price;
|
||
}
|
||
|
||
if (minPrice > 0 && minPrice != decimal.MaxValue)
|
||
return minPrice / 100;
|
||
}
|
||
|
||
// 回退 sku_list.min_price
|
||
var skuListInfo = _infoNode["sku_list"] as JObject;
|
||
if (skuListInfo != null)
|
||
{
|
||
var minPriceToken = skuListInfo["min_price"]?.Value<decimal>() ?? 0;
|
||
if (minPriceToken > 0)
|
||
return minPriceToken / 100;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region 辅助方法
|
||
|
||
private string GetStringValue(JObject obj, string path)
|
||
{
|
||
return obj?.SelectToken(path)?.Value<string>() ?? string.Empty;
|
||
}
|
||
|
||
private long GetLongValue(JObject obj, string path)
|
||
{
|
||
var token = obj?.SelectToken(path);
|
||
if (token == null) return 0;
|
||
|
||
if (token.Type == JTokenType.String)
|
||
return long.TryParse(token.Value<string>(), out var result) ? result : 0;
|
||
|
||
return token.Value<long>();
|
||
}
|
||
|
||
#endregion
|
||
}
|
||
} |