KJD_WebService/TEMUKJD/BLL/ImportConverters/ConverterToPddV5.cs

using AllBase.Model.Result.PDDResult;
using CefSharp.DevTools.CSS;
using NaiBa.Util.Extension;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TemuKJD.BLL.ImportConverters;
using Work.GoodDetail;

namespace TemuKJD.BLL.ImportConverts
{
	internal class ConverterToPddV5 : GoodsConverterBase
	{
		private JObject jsonRoot;


		public override string ConverterName => "To PDD V5";

		public override PlatformType Platform => PlatformType.PDD;

		protected override bool IsMatchProvider()
		{
			try
			{
				jsonRoot = JsonConvert.DeserializeObject<JObject>(RawData);
				return jsonRoot.SelectToken("$.store.initDataObj.goods") != null;
			}
			catch { return false; }
		}

		protected override PDDFrontProductInfo5 ConverterProvider()
		{
			var goodsToken = jsonRoot.SelectToken("$.store.initDataObj.goods");
			var product = new PDDFrontProductInfo5();

			// 逐个属性赋值，方便打断点调试
			product.GoodsId = goodsToken["goodsID"].Value<long>();

			product.GoodsUrl = "";

			product.BrandId = goodsToken["brandId"].ParseToLong();

			product.Title = goodsToken["goodsName"]?.Value<string>();

			product.Description = goodsToken["short_name"]?.Value<string>() ?? "";

			product.ThumbUrl = goodsToken["thumbUrl"]?.Value<string>() ?? "";

			product.CategoryId = goodsToken["catID"]?.Value<int>() ?? 0;

			product.CategoryPath = GetCategoryPath(goodsToken);

			product.MallId = goodsToken["mallID"]?.Value<int>() ?? 0;

			product.Price = goodsToken["linePrice"]?.Value<decimal>() ?? 0;

			product.Propertys = GetProperties(goodsToken);

			product.MainImages = GetMainImages(goodsToken);

			product.DetailImages = GetDetailImages(goodsToken);

			product.Videos = GetVideos(goodsToken);

			product.Specs = GetSpecs(goodsToken);

			product.Skus = GetSkus(goodsToken);

			return product;
		}

		/// <summary>
		/// 获取类目路径
		/// </summary>
		private List<int> GetCategoryPath(JToken goods)
		{
			var result = new List<int>();

			// JSON 中有 catID1 ~ catID4
			for (int i = 1; i <= 4; i++)
			{
				var token = goods[$"catID{i}"];

				if (token != null && token.Type != JTokenType.Null)
				{
					var value = token.Value<int>();

					if (value > 0)
						result.Add(value);
				}
			}

			// 如果没有，则至少加入当前类目
			if (result.Count == 0)
			{
				var categoryId = goods["catID"]?.Value<int>() ?? 0;

				if (categoryId > 0)
					result.Add(categoryId);
			}

			return result;
		}
		/// <summary>
		/// 商品属性
		/// </summary>
		private List<Property> GetProperties(JToken goods)
		{
			var result = new List<Property>();

			var propertyArray = goods["goodsProperty"] as JArray;

			if (propertyArray == null)
				return result;

			foreach (var item in propertyArray)
			{
				var key = item["key"]?.Value<string>();

				var values = item["values"] as JArray;

				result.Add(new Property
				{
					Key = key ?? "",
					Value = string.Join(",", values?.Select(a => a))
				});
			}

			return result;
		}
		/// <summary>
		/// 主图
		/// </summary>
		private List<string> GetMainImages(JToken goods)
		{
			var result = new List<string>();

			var images = goods["topGallery"] as JArray;

			if (images != null)
			{
				foreach (var item in images)
				{
					var url = item["url"]?.Value<string>();

					if (!string.IsNullOrEmpty(url))
						result.Add(url);
				}
				return result;
			}

			images = goods["viewImageData"] as JArray;
			if (images != null)
			{
				foreach (var item in images)
				{
					var url = item.ToString();

					if (!string.IsNullOrEmpty(url))
						result.Add(url);
				}
				return result;
			}
			return result;
		}
		/// <summary>
		/// 详情图
		/// </summary>
		private List<string> GetDetailImages(JToken goods)
		{
			var result = new List<string>();

			var images = goods["detailGallery"] as JArray;

			if (images == null)
				return result;

			foreach (var item in images)
			{
				var url = item["url"]?.Value<string>();

				if (!string.IsNullOrEmpty(url))
					result.Add(url);
			}

			return result;
		}
		/// <summary>
		/// 商品视频
		/// </summary>
		private List<string> GetVideos(JToken goods)
		{
			var result = new List<string>();

			var videos = goods["videoGallery"] as JArray;

			if (videos == null)
				return result;

			foreach (var item in videos)
			{
				var url =
					item["videoUrl"]?.Value<string>() ??
					item["url"]?.Value<string>();

				if (!string.IsNullOrEmpty(url))
					result.Add(url);
			}

			return result;
		}

		/// <summary>
		/// 获取规格
		/// </summary>
		private List<SpecItem> GetSpecs(JToken goods)
		{
			var result = new List<SpecItem>();

			var skus = goods["skus"] as JArray;

			if (skus == null)
				return result;

			foreach (var sku in skus)
			{
				var specs = sku["specs"] as JArray;

				if (specs == null)
					continue;

				foreach (var spec in specs)
				{
					var specKey = spec["spec_key"]?.Value<string>() ?? "";
					var specValue = spec["spec_value"]?.Value<string>() ?? "";
					var specKeyId = spec["spec_key_id"]?.Value<long>() ?? 0;
					var specValueId = spec["spec_value_id"]?.Value<long>() ?? 0;

					// 去重
					if (result.Any(x => x.SpecKey == specKey && x.SpecValue == specValue))
						continue;

					result.Add(new SpecItem
					{
						SpecKey = specKey,
						SpecValue = specValue,
						SpecKeyId = specKeyId,
						SpecValueId = specValueId,
					});
				}
			}

			return result;
		}
		/// <summary>
		/// SKU
		/// </summary>
		private List<SkuItem> GetSkus(JToken goods)
		{
			var result = new List<SkuItem>();

			var skus = goods["skus"] as JArray;

			if (skus == null)
				return result;

			foreach (var sku in skus)
			{
				var specs = sku["specs"] as JArray;

				var specValues = new List<string>();

				if (specs != null)
				{
					foreach (var spec in specs)
					{
						var key = spec["spec_key"]?.Value<string>();
						var value = spec["spec_value"]?.Value<string>();

						if (!string.IsNullOrEmpty(value))
							specValues.Add($"{key}:{value}");
					}
				}

				// 优先使用 normalPrice
				var price = sku["normalPrice"].Value<decimal>();

				result.Add(new SkuItem
				{
					SkuId = sku["skuId"]?.Value<string>() ?? "",

					Spec = string.Join(";", specValues),

					Price = price,

					// oldGroupPrice 在这个 JSON 中是整数分价格，
					// 这里暂时转成字符串
					OriginalPrice = sku["oldGroupPrice"]?.Value<string>() ?? "",

					Stock = sku["quantity"]?.Value<int>() ?? 0,

					SpecImage = sku["thumbUrl"]?.Value<string>() ?? "",
				});
			}

			return result;
		}


	}
}