Files
TakeoutSaaS.TenantApi/src/Application/TakeoutSaaS.Application/App/SystemParameters/Handlers/DeleteSystemParameterCommandHandler.cs

34 lines
1.2 KiB
C#

using MediatR;
using Microsoft.Extensions.Logging;
using TakeoutSaaS.Application.App.SystemParameters.Commands;
using TakeoutSaaS.Domain.SystemParameters.Repositories;
namespace TakeoutSaaS.Application.App.SystemParameters.Handlers;
/// <summary>
/// 删除系统参数命令处理器。
/// </summary>
public sealed class DeleteSystemParameterCommandHandler(
ISystemParameterRepository repository,
ILogger<DeleteSystemParameterCommandHandler> logger)
: IRequestHandler<DeleteSystemParameterCommand, bool>
{
private readonly ISystemParameterRepository _repository = repository;
private readonly ILogger<DeleteSystemParameterCommandHandler> _logger = logger;
/// <inheritdoc />
public async Task<bool> Handle(DeleteSystemParameterCommand request, CancellationToken cancellationToken)
{
var existing = await _repository.FindByIdAsync(request.ParameterId, cancellationToken);
if (existing == null)
{
return false;
}
await _repository.RemoveAsync(existing, cancellationToken);
await _repository.SaveChangesAsync(cancellationToken);
_logger.LogInformation("删除系统参数 {Key}", existing.Key);
return true;
}
}