59 lines
2.2 KiB
C#
59 lines
2.2 KiB
C#
using MediatR;
|
|
using Microsoft.Extensions.Logging;
|
|
using TakeoutSaaS.Application.App.Stores.Commands;
|
|
using TakeoutSaaS.Application.App.Stores.Dto;
|
|
using TakeoutSaaS.Domain.Stores.Entities;
|
|
using TakeoutSaaS.Domain.Stores.Repositories;
|
|
using TakeoutSaaS.Shared.Abstractions.Constants;
|
|
using TakeoutSaaS.Shared.Abstractions.Exceptions;
|
|
using TakeoutSaaS.Shared.Abstractions.Tenancy;
|
|
|
|
namespace TakeoutSaaS.Application.App.Stores.Handlers;
|
|
|
|
/// <summary>
|
|
/// 创建桌台区域处理器。
|
|
/// </summary>
|
|
public sealed class CreateStoreTableAreaCommandHandler(
|
|
IStoreRepository storeRepository,
|
|
ITenantProvider tenantProvider,
|
|
ILogger<CreateStoreTableAreaCommandHandler> logger)
|
|
: IRequestHandler<CreateStoreTableAreaCommand, StoreTableAreaDto>
|
|
{
|
|
/// <inheritdoc />
|
|
public async Task<StoreTableAreaDto> Handle(CreateStoreTableAreaCommand request, CancellationToken cancellationToken)
|
|
{
|
|
// 1. 校验门店存在
|
|
var tenantId = tenantProvider.GetCurrentTenantId();
|
|
var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
|
|
if (store is null)
|
|
{
|
|
throw new BusinessException(ErrorCodes.NotFound, "门店不存在");
|
|
}
|
|
|
|
// 2. 校验区域名称唯一
|
|
var existingAreas = await storeRepository.GetTableAreasAsync(request.StoreId, tenantId, cancellationToken);
|
|
var hasDuplicate = existingAreas.Any(x => x.Name.Equals(request.Name, StringComparison.OrdinalIgnoreCase));
|
|
if (hasDuplicate)
|
|
{
|
|
throw new BusinessException(ErrorCodes.Conflict, "区域名称已存在");
|
|
}
|
|
|
|
// 3. 构建实体
|
|
var area = new StoreTableArea
|
|
{
|
|
StoreId = request.StoreId,
|
|
Name = request.Name.Trim(),
|
|
Description = request.Description?.Trim(),
|
|
SortOrder = request.SortOrder
|
|
};
|
|
|
|
// 4. 持久化
|
|
await storeRepository.AddTableAreasAsync(new[] { area }, cancellationToken);
|
|
await storeRepository.SaveChangesAsync(cancellationToken);
|
|
logger.LogInformation("创建桌台区域 {AreaId} 对应门店 {StoreId}", area.Id, request.StoreId);
|
|
|
|
// 5. 返回 DTO
|
|
return StoreMapping.ToDto(area);
|
|
}
|
|
}
|