37 lines
1.2 KiB
C#
37 lines
1.2 KiB
C#
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using SIGCM2.Application.Abstractions;
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using SIGCM2.Application.Abstractions.Persistence;
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using SIGCM2.Application.Roles.Dtos;
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using SIGCM2.Domain.Entities;
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using SIGCM2.Domain.Exceptions;
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namespace SIGCM2.Application.Roles.Create;
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public sealed class CreateRolCommandHandler : ICommandHandler<CreateRolCommand, RolCreatedDto>
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{
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private readonly IRolRepository _repository;
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public CreateRolCommandHandler(IRolRepository repository)
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{
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_repository = repository;
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}
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public async Task<RolCreatedDto> Handle(CreateRolCommand command)
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{
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// Check-then-insert: explicit check produces a clear 409 message.
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// SqlException 2627 (UQ violation) acts as race-condition fallback — caught in ExceptionFilter.
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var existing = await _repository.GetByCodigoAsync(command.Codigo);
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if (existing is not null)
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throw new RolAlreadyExistsException(command.Codigo);
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var rol = Rol.ForCreation(command.Codigo, command.Nombre, command.Descripcion);
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var newId = await _repository.AddAsync(rol);
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return new RolCreatedDto(
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Id: newId,
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Codigo: rol.Codigo,
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Nombre: rol.Nombre,
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Descripcion: rol.Descripcion,
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Activo: rol.Activo);
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}
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}
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