37 lines
1.5 KiB
C#
37 lines
1.5 KiB
C#
using MediatR;
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using TakeoutSaaS.Application.App.Merchants.Dto;
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using TakeoutSaaS.Application.App.Merchants.Queries;
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using TakeoutSaaS.Domain.Merchants.Repositories;
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using TakeoutSaaS.Shared.Abstractions.Constants;
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using TakeoutSaaS.Shared.Abstractions.Exceptions;
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using TakeoutSaaS.Shared.Abstractions.Tenancy;
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namespace TakeoutSaaS.Application.App.Merchants.Handlers;
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/// <summary>
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/// 查询证照列表。
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/// </summary>
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public sealed class GetMerchantDocumentsQueryHandler(
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IMerchantRepository merchantRepository,
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ITenantProvider tenantProvider)
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: IRequestHandler<GetMerchantDocumentsQuery, IReadOnlyList<MerchantDocumentDto>>
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{
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/// <summary>
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/// 查询商户证照列表。
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/// </summary>
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/// <param name="request">查询请求。</param>
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/// <param name="cancellationToken">取消标记。</param>
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/// <returns>证照 DTO 列表。</returns>
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public async Task<IReadOnlyList<MerchantDocumentDto>> Handle(GetMerchantDocumentsQuery request, CancellationToken cancellationToken)
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{
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// 1. 获取租户上下文并校验商户存在
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var tenantId = tenantProvider.GetCurrentTenantId();
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_ = await merchantRepository.FindByIdAsync(request.MerchantId, tenantId, cancellationToken)
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?? throw new BusinessException(ErrorCodes.NotFound, "商户不存在");
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// 2. 查询证照列表
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var documents = await merchantRepository.GetDocumentsAsync(request.MerchantId, tenantId, cancellationToken);
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return MerchantMapping.ToDocumentDtos(documents);
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}
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}
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