108 lines
2.3 KiB
C#
108 lines
2.3 KiB
C#
using Store.Modules.CloudProduct.Entities;
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using Store.Modules.CloudProduct.Enums;
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using System.Text.Json.Nodes;
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namespace Store.Modules.CloudProduct.ImportConverters
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{
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/// <summary>
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/// 导入商品数据转换器
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/// </summary>
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public interface IGoodsConverter
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{
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/// <summary>
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/// 原始数据（JSON 原文）
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/// </summary>
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string RawData { get; }
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/// <summary>
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/// 获取转换器名称
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/// </summary>
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string ConverterName { get; }
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/// <summary>
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/// 支持的平台类型
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/// </summary>
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PlatformType Platform { get; }
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/// <summary>
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/// 读取内容
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/// </summary>
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/// <param name="content">JSON 原文内容</param>
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void ReadContent(string content);
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/// <summary>
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/// 判断是否匹配当前转换器
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/// </summary>
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/// <returns>是否匹配</returns>
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bool IsMatch();
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/// <summary>
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/// 转换为标准商品模型
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/// </summary>
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GoodsEntity Convert();
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}
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/// <summary>
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/// 转换器基类：统一实现读取、校验与转换骨架，子类只需实现匹配判定与字段映射。
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/// </summary>
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public abstract class GoodsConverter : IGoodsConverter
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{
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private bool _isMatch = false;
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public string RawData { get; private set; } = null!;
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public abstract string ConverterName { get; }
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public abstract PlatformType Platform { get; }
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void IGoodsConverter.ReadContent(string content)
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{
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ReadContent(content);
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}
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protected virtual void ReadContent(string content)
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{
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RawData = content;
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}
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public virtual bool IsMatch()
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{
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_isMatch = true;
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return IsMatchCore();
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}
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/// <summary>
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/// 由子类实现的具体匹配判定
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/// </summary>
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protected abstract bool IsMatchCore();
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/// <summary>
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/// 带校验的转换（基类统一实现）
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/// </summary>
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public virtual GoodsEntity Convert()
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{
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if (_isMatch == false) throw new Exception("未校验数据");
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try
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{
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JsonNode.Parse(RawData);
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}
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catch { throw new Exception("数据解析失败，不是有效的JSON格式"); }
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var goods = ConvertCore();
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if (goods == null)
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throw new Exception("转换失败");
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// 基础校验
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if (goods.GoodsId == 0)
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throw new Exception("商品ID不能为空");
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return goods;
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}
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/// <summary>
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/// 由子类实现的具体字段映射
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/// </summary>
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protected abstract GoodsEntity ConvertCore();
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}
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}
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