58 lines
1.4 KiB
C#
58 lines
1.4 KiB
C#
using Store.Modules.CloudProduct.Entities;
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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 Store.Modules.CloudProduct.ImportConverters
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{
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/// <summary>
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/// 导入商品转换工厂：按顺序尝试各转换器，返回标准商品模型。
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/// </summary>
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public class ConverterToGoodsFactory
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{
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private static readonly List<IGoodsConverter> _converters = new List<IGoodsConverter>
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{
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new ConverterV1(),
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};
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/// <summary>
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/// 根据本地 JSON 文件路径转换。
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/// </summary>
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public static ProductEntity? Convert(string filePath)
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{
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if (string.IsNullOrWhiteSpace(filePath))
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throw new ArgumentNullException(nameof(filePath));
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if (!File.Exists(filePath))
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throw new FileNotFoundException("找不到导入文件", filePath);
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string content = File.ReadAllText(filePath);
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return ConvertContent(content);
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}
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/// <summary>
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/// 根据 JSON 内容字符串转换。
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/// </summary>
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public static ProductEntity? ConvertContent(string content)
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{
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if (string.IsNullOrWhiteSpace(content))
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throw new ArgumentNullException(nameof(content));
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foreach (IGoodsConverter item in _converters)
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{
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item.ReadContent(content);
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if (item.IsMatch())
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{
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var goods = item.Convert();
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if (goods != null)
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return goods;
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}
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}
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return null;
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}
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}
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} |