Files
KJD/TEMUKJD/BLL/ImportConverters/ConverterWXToPddV1.cs
T
2026-08-19 12:13:42 +08:00

315 lines
7.8 KiB
C#

using AllBase.Model.Result;
using AllBase.Model.Result.PDDResult;
using NaiBa.Util.Extension;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace TemuKJD.BLL.ImportConverters
{
internal class ConverterWXToPddV1 : GoodsConverterBase
{
private JObject jsonRoot;
public override string ConverterName => "微信转拼多多数据源";
public override PlatformType Platform => PlatformType.WX;
protected override bool IsMatchProvider()
{
try
{
jsonRoot = JsonConvert.DeserializeObject<JObject>(RawData);
if (jsonRoot == null) return false;
// 1. 检查 extra_service 是否存在且为对象类型
var extraService = jsonRoot.SelectToken("$.extra_service");
if (extraService == null || extraService.Type != JTokenType.Object) return false;
// 2. 检查 out_product_id 是否存在且为字符串类型(非空)
var outProductId = jsonRoot.SelectToken("$.out_product_id")?.ToString();
if (string.IsNullOrEmpty(outProductId)) return false;
// 3. 检查 skus 是否存在且为数组,且第一个元素包含 out_sku_id
var skus = jsonRoot.SelectToken("$.skus");
if (skus == null) return true;
if (skus.Type != JTokenType.Array) return false;
var skusArray = skus as JArray;
if (skusArray.Count == 0) return true;
var outSkuId = skusArray[0]?.SelectToken("$.out_sku_id")?.ToString();
if (string.IsNullOrEmpty(outSkuId)) return false;
// 三个条件全部通过
return true;
}
catch
{
return false;
}
}
protected override PDDFrontProductInfo5 ConverterProvider()
{
var product = new PDDFrontProductInfo5();
product.Platform = Platform;
// 解析JSON数据
var jsonData = JsonConvert.DeserializeObject<JObject>(RawData);
product.GoodsId = Path.GetFileNameWithoutExtension(FilePath).ParseToLong();
// 商品基本信息
product.Title = jsonData["title"]?.Value<string>() ?? "";
product.Description = jsonData["short_title"]?.Value<string>() ?? "";
// 品牌ID - 转换为long
product.BrandId = jsonData["brand_id"]?.Value<long>() ?? 0;
// 类目信息
product.CategoryId = GetCategoryIdFromCats(jsonData);
product.CategoryPath = GetCategoryPathFromCats(jsonData);
// 主图
product.MainImages = GetMainImagesFromNewFormat(jsonData);
// 详情图
product.DetailImages = GetDetailImagesFromNewFormat(jsonData);
// 商品属性
product.Propertys = GetPropertiesFromNewFormat(jsonData);
// SKU和规格信息
product.Skus = GetSkusFromNewFormat(jsonData);
product.Specs = GetSpecsFromNewFormat(jsonData);
// 其他默认值
product.ThumbUrl = jsonData["head_imgs"]?[0]?.Value<string>() ?? "";
product.MallId = 0; // 新格式中没有mallID
product.Price = GetMinPrice(jsonData); // 从SKU中获取最低价
product.Videos = new List<string>(); // 新格式中没有视频信息
return product;
}
/// <summary>
/// 从cats_v2中获取类目ID
/// </summary>
private int GetCategoryIdFromCats(JObject jsonData)
{
var cats = jsonData["cats_v2"] as JArray;
if (cats == null || cats.Count == 0)
return 0;
// 获取最后一个类目(最细分类目)
var lastCat = cats.Last;
return lastCat?["cat_id"]?.Value<int>() ?? 0;
}
/// <summary>
/// 从cats_v2中获取类目路径
/// </summary>
private List<int> GetCategoryPathFromCats(JObject jsonData)
{
var result = new List<int>();
var cats = jsonData["cats_v2"] as JArray;
if (cats == null)
return result;
foreach (var cat in cats)
{
var catId = cat["cat_id"]?.Value<int>();
if (catId.HasValue && catId.Value > 0)
result.Add(catId.Value);
}
return result;
}
/// <summary>
/// 获取主图(新格式)
/// </summary>
private List<string> GetMainImagesFromNewFormat(JObject jsonData)
{
var result = new List<string>();
var headImgs = jsonData["head_imgs"] as JArray;
if (headImgs == null)
return result;
foreach (var img in headImgs)
{
var url = img?.Value<string>();
if (!string.IsNullOrEmpty(url))
result.Add(url);
}
return result;
}
/// <summary>
/// 获取详情图(新格式)
/// </summary>
private List<string> GetDetailImagesFromNewFormat(JObject jsonData)
{
var result = new List<string>();
var descInfo = jsonData["desc_info"];
if (descInfo == null)
return result;
var imgs = descInfo["imgs"] as JArray;
if (imgs == null)
return result;
foreach (var img in imgs)
{
var url = img?.Value<string>();
if (!string.IsNullOrEmpty(url))
result.Add(url);
}
return result;
}
/// <summary>
/// 获取商品属性(新格式)
/// </summary>
private List<Property> GetPropertiesFromNewFormat(JObject jsonData)
{
var result = new List<Property>();
var attrs = jsonData["attrs"] as JArray;
if (attrs == null)
return result;
foreach (var attr in attrs)
{
var key = attr["attr_key"]?.Value<string>();
var value = attr["attr_value"]?.Value<string>();
if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
{
result.Add(new Property
{
Key = key,
Value = value
});
}
}
return result;
}
/// <summary>
/// 获取SKU(新格式)
/// </summary>
private List<SkuItem> GetSkusFromNewFormat(JObject jsonData)
{
var result = new List<SkuItem>();
var skus = jsonData["skus"] as JArray;
if (skus == null)
return result;
foreach (var sku in skus)
{
var skuAttrs = sku["sku_attrs"] as JArray;
var specValues = new List<string>();
if (skuAttrs != null)
{
foreach (var attr in skuAttrs)
{
var key = attr["attr_key"]?.Value<string>();
var value = attr["attr_value"]?.Value<string>();
if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
specValues.Add($"{key}:{value}");
}
}
// sale_price 是分,需要转换为元
var salePriceInCents = sku["sale_price"]?.Value<decimal>() ?? 0;
var salePriceInYuan = salePriceInCents / 100;
result.Add(new SkuItem
{
SkuId = sku["out_sku_id"]?.Value<string>() ?? "",
Spec = string.Join(";", specValues),
Price = salePriceInYuan,
OriginalPrice = salePriceInCents.ToString(), // 保留原始价格(分)
Stock = 999, // 新格式中没有库存,设置默认值
SpecImage = sku["thumb_img"]?.Value<string>() ?? ""
});
}
return result;
}
/// <summary>
/// 获取规格(新格式)
/// </summary>
private List<SpecItem> GetSpecsFromNewFormat(JObject jsonData)
{
var result = new List<SpecItem>();
var skus = jsonData["skus"] as JArray;
if (skus == null)
return result;
foreach (var sku in skus)
{
var skuAttrs = sku["sku_attrs"] as JArray;
if (skuAttrs == null)
continue;
foreach (var attr in skuAttrs)
{
var specKey = attr["attr_key"]?.Value<string>() ?? "";
var specValue = attr["attr_value"]?.Value<string>() ?? "";
// 去重
if (result.Any(x => x.SpecKey == specKey && x.SpecValue == specValue))
continue;
result.Add(new SpecItem
{
SpecKey = specKey,
SpecValue = specValue,
SpecKeyId = 0, // 新格式中没有ID
SpecValueId = 0
});
}
}
return result;
}
/// <summary>
/// 获取最低价格
/// </summary>
private decimal GetMinPrice(JObject jsonData)
{
var skus = jsonData["skus"] as JArray;
if (skus == null || skus.Count == 0)
return 0;
var minPrice = decimal.MaxValue;
foreach (var sku in skus)
{
var price = sku["sale_price"]?.Value<decimal>() ?? 0;
if (price > 0 && price < minPrice)
minPrice = price;
}
return minPrice > 0 ? minPrice / 100 : 0; // 转换为元
}
}
}