70 lines
2.7 KiB
C#
70 lines
2.7 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.Application.App.Stores.Dto;
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using TakeoutSaaS.Domain.Stores.Entities;
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using TakeoutSaaS.Domain.Stores.Enums;
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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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/// 更新门店费用配置处理器。
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/// </summary>
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public sealed class UpdateStoreFeeCommandHandler(
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IStoreRepository storeRepository,
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ITenantProvider tenantProvider,
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ILogger<UpdateStoreFeeCommandHandler> logger)
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: IRequestHandler<UpdateStoreFeeCommand, StoreFeeDto>
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{
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/// <inheritdoc />
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public async Task<StoreFeeDto> Handle(UpdateStoreFeeCommand request, CancellationToken cancellationToken)
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{
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// 1. 校验门店状态
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var tenantId = tenantProvider.GetCurrentTenantId();
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var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
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if (store is null)
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{
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throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
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}
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if (store.AuditStatus != StoreAuditStatus.Activated)
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{
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throw new BusinessException(ErrorCodes.Conflict, "门店未激活，无法配置费用");
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}
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if (store.BusinessStatus == StoreBusinessStatus.ForceClosed)
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{
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throw new BusinessException(ErrorCodes.Conflict, "门店已被强制关闭，无法配置费用");
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}
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// 2. (空行后) 获取或创建费用配置
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var fee = await storeRepository.GetStoreFeeAsync(request.StoreId, tenantId, cancellationToken);
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var isNew = fee is null;
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fee ??= new StoreFee { StoreId = request.StoreId };
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// 3. (空行后) 应用更新字段
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fee.MinimumOrderAmount = request.MinimumOrderAmount;
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fee.BaseDeliveryFee = request.DeliveryFee;
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fee.PackagingFeeMode = request.PackagingFeeMode;
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fee.FixedPackagingFee = request.PackagingFeeMode == PackagingFeeMode.Fixed
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? request.FixedPackagingFee ?? 0m
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: 0m;
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fee.FreeDeliveryThreshold = request.FreeDeliveryThreshold;
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// 4. (空行后) 保存并返回
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if (isNew)
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{
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await storeRepository.AddStoreFeeAsync(fee, cancellationToken);
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}
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else
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{
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await storeRepository.UpdateStoreFeeAsync(fee, cancellationToken);
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}
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await storeRepository.SaveChangesAsync(cancellationToken);
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logger.LogInformation("更新门店 {StoreId} 费用配置", request.StoreId);
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return StoreMapping.ToDto(fee);
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}
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}
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