53 lines
1.8 KiB
C#
53 lines
1.8 KiB
C#
using MediatR;
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using Microsoft.Extensions.Logging;
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using TakeoutSaaS.Application.App.Stores.Commands;
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using TakeoutSaaS.Domain.Stores.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.Stores.Handlers;
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/// <summary>
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/// 删除桌台区域处理器。
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/// </summary>
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public sealed class DeleteStoreTableAreaCommandHandler(
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IStoreRepository storeRepository,
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ITenantProvider tenantProvider,
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ILogger<DeleteStoreTableAreaCommandHandler> logger)
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: IRequestHandler<DeleteStoreTableAreaCommand, bool>
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{
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/// <inheritdoc />
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public async Task<bool> Handle(DeleteStoreTableAreaCommand request, CancellationToken cancellationToken)
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{
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// 1. 读取区域
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var tenantId = tenantProvider.GetCurrentTenantId();
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var area = await storeRepository.FindTableAreaByIdAsync(request.AreaId, tenantId, cancellationToken);
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if (area is null)
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{
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return false;
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}
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// 2. 校验门店归属
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if (area.StoreId != request.StoreId)
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{
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return false;
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}
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// 3. 校验区域下无桌码
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var tables = await storeRepository.GetTablesAsync(request.StoreId, tenantId, cancellationToken);
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var hasTable = tables.Any(x => x.AreaId == request.AreaId);
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if (hasTable)
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{
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throw new BusinessException(ErrorCodes.Conflict, "区域下仍有桌码，无法删除");
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}
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// 4. 删除
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await storeRepository.DeleteTableAreaAsync(request.AreaId, tenantId, cancellationToken);
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await storeRepository.SaveChangesAsync(cancellationToken);
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logger.LogInformation("删除桌台区域 {AreaId} 对应门店 {StoreId}", request.AreaId, request.StoreId);
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return true;
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}
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}
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