34 lines
1.1 KiB
C#
34 lines
1.1 KiB
C#
using MediatR;
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using Microsoft.Extensions.Logging;
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using TakeoutSaaS.Application.App.Merchants.Commands;
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using TakeoutSaaS.Domain.Merchants.Repositories;
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namespace TakeoutSaaS.Application.App.Merchants.Handlers;
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/// <summary>
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/// 删除商户命令处理器。
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/// </summary>
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public sealed class DeleteMerchantCommandHandler(
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IMerchantRepository merchantRepository,
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ILogger<DeleteMerchantCommandHandler> logger)
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: IRequestHandler<DeleteMerchantCommand, bool>
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{
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/// <inheritdoc />
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public async Task<bool> Handle(DeleteMerchantCommand request, CancellationToken cancellationToken)
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{
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// 1. 校验存在性（跨租户）
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var existing = await merchantRepository.FindByIdAsync(request.MerchantId, cancellationToken);
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if (existing == null)
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{
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return false;
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}
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// 2. (空行后) 删除
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await merchantRepository.DeleteMerchantAsync(request.MerchantId, existing.TenantId, cancellationToken);
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await merchantRepository.SaveChangesAsync(cancellationToken);
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logger.LogInformation("删除商户 {MerchantId}", request.MerchantId);
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return true;
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}
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}
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