367 lines
9.6 KiB
C#
367 lines
9.6 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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using System.Text;
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using System.Threading.Tasks;
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namespace TemuKJD.BLL.ImportConverters
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{
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internal class ConverterWXToPddV3 : GoodsConverterBase
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{
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private JObject jsonRoot;
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public override string ConverterName => "微信转拼多多数据源V3";
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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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// V3 特征：真实商品数据被包裹在 body 节点下
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var body = jsonRoot.SelectToken("$.body");
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if (body == null || body.Type != JTokenType.Object) return false;
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// 1. 检查 body.extra_service 是否存在且为对象类型
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var extraService = body.SelectToken("$.extra_service");
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if (extraService == null || extraService.Type != JTokenType.Object) return false;
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// 2. 检查 body.out_product_id 是否存在且为字符串类型（非空）
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var outProductId = body.SelectToken("$.out_product_id")?.ToString();
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if (string.IsNullOrEmpty(outProductId)) return false;
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// 3. 检查 body.skus 是否存在且为数组，且第一个元素包含 out_sku_id
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var skus = body.SelectToken("$.skus");
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if (skus == null) return true;
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if (skus.Type != JTokenType.Array) return false;
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var skusArray = skus as JArray;
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if (skusArray.Count == 0) return true;
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var outSkuId = skusArray[0]?.SelectToken("$.out_sku_id")?.ToString();
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if (string.IsNullOrEmpty(outSkuId)) return false;
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// 四个条件全部通过（比 V1 多了 body 包装校验）
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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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product.Platform = Platform;
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// 解析JSON数据
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var jsonData = JsonConvert.DeserializeObject<JObject>(RawData);
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var body = jsonData["body"] as JObject ?? new JObject();
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var notes = jsonData["notes"] as JObject;
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var source = notes?["source"] as JObject;
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// 商品ID：优先用文件名解析，解析不到再退化使用 body.out_product_id / notes.source.product_id
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product.GoodsId = Path.GetFileNameWithoutExtension(FilePath).ParseToLong();
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if (product.GoodsId <= 0)
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{
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var fallbackId = body["out_product_id"]?.Value<string>() ?? source?["product_id"]?.Value<string>();
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product.GoodsId = fallbackId.ParseToLong();
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}
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// 商品基本信息
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product.Title = body["title"]?.Value<string>() ?? source?["title"]?.Value<string>() ?? "";
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// 新格式没有 short_title，退化取 desc_info.desc
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product.Description = body["short_title"]?.Value<string>()
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?? body["desc_info"]?["desc"]?.Value<string>()
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?? "";
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// 品牌ID - 转换为long
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product.BrandId = body["brand_id"]?.Value<long>() ?? 0;
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// 类目信息
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product.CategoryId = GetCategoryIdFromCats(body);
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product.CategoryPath = GetCategoryPathFromCats(body);
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// 主图
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product.MainImages = GetMainImagesFromNewFormat(body);
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// 详情图
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product.DetailImages = GetDetailImagesFromNewFormat(body);
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// 商品属性
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product.Propertys = GetPropertiesFromNewFormat(body);
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// SKU和规格信息（SKU 会结合 notes.sku_price / stock_num 做补全）
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product.Skus = GetSkusFromNewFormat(body, notes);
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product.Specs = GetSpecsFromNewFormat(body);
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// 其他默认值
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product.ThumbUrl = body["head_imgs"]?[0]?.Value<string>() ?? "";
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product.MallId = 0; // body 中没有 mallID
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product.Price = GetMinPrice(body); // 从SKU中获取最低价
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product.Videos = new List<string>(); // body 中没有视频信息
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return product;
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}
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/// <summary>
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/// 从cats_v2中获取类目ID
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/// </summary>
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private int GetCategoryIdFromCats(JObject body)
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{
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var cats = body["cats_v2"] as JArray;
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if (cats == null || cats.Count == 0)
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return 0;
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// 获取最后一个类目（最细分类目）
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var lastCat = cats.Last;
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return lastCat?["cat_id"]?.Value<int>() ?? 0;
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}
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/// <summary>
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/// 从cats_v2中获取类目路径
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/// </summary>
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private List<int> GetCategoryPathFromCats(JObject body)
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{
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var result = new List<int>();
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var cats = body["cats_v2"] as JArray;
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if (cats == null)
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return result;
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foreach (var cat in cats)
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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
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/// </summary>
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private List<string> GetMainImagesFromNewFormat(JObject body)
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{
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var result = new List<string>();
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var headImgs = body["head_imgs"] as JArray;
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if (headImgs == null)
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return result;
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foreach (var img in headImgs)
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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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/// 获取详情图
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/// </summary>
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private List<string> GetDetailImagesFromNewFormat(JObject body)
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{
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var result = new List<string>();
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var descInfo = body["desc_info"];
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if (descInfo == null)
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return result;
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var imgs = descInfo["imgs"] as JArray;
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if (imgs == null)
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return result;
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foreach (var img in imgs)
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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
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/// </summary>
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private List<Property> GetPropertiesFromNewFormat(JObject body)
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{
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var result = new List<Property>();
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var attrs = body["attrs"] as JArray;
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if (attrs == null)
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return result;
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foreach (var attr in attrs)
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{
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var key = attr["attr_key"]?.Value<string>();
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var value = attr["attr_value"]?.Value<string>();
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if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
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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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return result;
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}
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/// <summary>
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/// 获取SKU。
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/// 相比 V1：
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/// 1. 库存优先取 body.skus[].stock_num（新格式已带该字段），取不到才用默认值 999；
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/// 2. 划线价/原价优先取 notes.sku_price 中按 out_sku_id 匹配到的 origin 字段（单位：分），
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/// 取不到则退化为 sale_price 本身。
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/// </summary>
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private List<SkuItem> GetSkusFromNewFormat(JObject body, JObject notes)
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{
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var result = new List<SkuItem>();
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var skus = body["skus"] as JArray;
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if (skus == null)
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return result;
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// 按 out_sku_id 建索引，方便用 notes.sku_price 补全划线价
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var skuPriceMap = new Dictionary<string, JObject>();
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var skuPriceList = notes?["sku_price"] as JArray;
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if (skuPriceList != null)
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{
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foreach (var item in skuPriceList)
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{
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if (item is JObject jo)
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{
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var outSkuId = jo["out_sku_id"]?.Value<string>();
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if (!string.IsNullOrEmpty(outSkuId))
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skuPriceMap[outSkuId] = jo;
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}
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}
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}
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foreach (var sku in skus)
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{
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var skuAttrs = sku["sku_attrs"] as JArray;
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var specValues = new List<string>();
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if (skuAttrs != null)
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{
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foreach (var attr in skuAttrs)
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{
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var key = attr["attr_key"]?.Value<string>();
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var value = attr["attr_value"]?.Value<string>();
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if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
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specValues.Add($"{key}:{value}");
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}
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}
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var outSkuId = sku["out_sku_id"]?.Value<string>() ?? "";
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// sale_price 是分，需要转换为元
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var salePriceInCents = sku["sale_price"]?.Value<decimal>() ?? 0;
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var salePriceInYuan = salePriceInCents / 100;
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// 划线价：优先用 notes.sku_price[].origin（分），取不到就退化用 sale_price
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var originPriceInCents = salePriceInCents;
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if (skuPriceMap.TryGetValue(outSkuId, out var priceInfo))
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{
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originPriceInCents = priceInfo["origin"]?.Value<decimal>() ?? salePriceInCents;
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}
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// 库存：新格式 body.skus 已自带 stock_num，取不到才用默认值
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var stock = sku["stock_num"]?.Value<int>() ?? 999;
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result.Add(new SkuItem
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{
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SkuId = outSkuId,
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Spec = string.Join(";", specValues),
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Price = salePriceInYuan,
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OriginalPrice = originPriceInCents.ToString(), // 保留划线价（分）
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Stock = stock,
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SpecImage = sku["thumb_img"]?.Value<string>() ?? ""
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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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/// 获取规格
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/// </summary>
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private List<SpecItem> GetSpecsFromNewFormat(JObject body)
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{
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var result = new List<SpecItem>();
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var skus = body["skus"] as JArray;
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if (skus == null)
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return result;
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foreach (var sku in skus)
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{
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var skuAttrs = sku["sku_attrs"] as JArray;
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if (skuAttrs == null)
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continue;
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foreach (var attr in skuAttrs)
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{
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var specKey = attr["attr_key"]?.Value<string>() ?? "";
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var specValue = attr["attr_value"]?.Value<string>() ?? "";
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// 去重
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if (result.Any(x => x.SpecKey == specKey && x.SpecValue == specValue))
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continue;
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result.Add(new SpecItem
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{
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SpecKey = specKey,
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SpecValue = specValue,
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SpecKeyId = 0, // 新格式中没有ID
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SpecValueId = 0
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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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/// 获取最低价格
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/// </summary>
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private decimal GetMinPrice(JObject body)
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{
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var skus = body["skus"] as JArray;
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if (skus == null || skus.Count == 0)
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return 0;
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var minPrice = decimal.MaxValue;
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foreach (var sku in skus)
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{
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var price = sku["sale_price"]?.Value<decimal>() ?? 0;
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if (price > 0 && price < minPrice)
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minPrice = price;
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}
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return minPrice > 0 ? minPrice / 100 : 0; // 转换为元
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}
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}
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}
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