53 lines
2.0 KiB
C#
53 lines
2.0 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.Permisos.Dtos;
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using SIGCM2.Domain.Exceptions;
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namespace SIGCM2.Application.Permisos.Assign;
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public sealed class AssignPermisosToRolCommandHandler : ICommandHandler<AssignPermisosToRolCommand, IReadOnlyList<PermisoDto>>
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{
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private readonly IRolRepository _rolRepository;
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private readonly IPermisoRepository _permisoRepository;
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private readonly IRolPermisoRepository _rolPermisoRepository;
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public AssignPermisosToRolCommandHandler(
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IRolRepository rolRepository,
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IPermisoRepository permisoRepository,
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IRolPermisoRepository rolPermisoRepository)
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{
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_rolRepository = rolRepository;
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_permisoRepository = permisoRepository;
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_rolPermisoRepository = rolPermisoRepository;
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}
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public async Task<IReadOnlyList<PermisoDto>> Handle(AssignPermisosToRolCommand command)
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{
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// 1. Validar que el rol existe
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var rol = await _rolRepository.GetByCodigoAsync(command.RolCodigo);
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if (rol is null)
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throw new RolNotFoundException(command.RolCodigo);
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// 2. Validar que todos los códigos existen en BD
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var codigosList = command.Codigos.ToList();
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var permisos = await _permisoRepository.GetByCodigosAsync(codigosList);
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if (permisos.Count != codigosList.Count)
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{
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// Detectar el primer código que no fue encontrado
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var foundCodigos = permisos.Select(p => p.Codigo).ToHashSet();
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var missing = codigosList.First(c => !foundCodigos.Contains(c));
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throw new PermisoNotFoundException(missing);
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}
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// 3. Reemplazar el set (DELETE+INSERT en transacción dentro del repo)
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var permisoIds = permisos.Select(p => p.Id);
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await _rolPermisoRepository.ReplaceForRolAsync(rol.Id, permisoIds);
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// 4. Retornar el nuevo set asignado
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return permisos
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.Select(p => new PermisoDto(p.Id, p.Codigo, p.Nombre, p.Descripcion, p.Modulo))
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.ToList();
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}
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}
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