72 lines
2.6 KiB
C#
72 lines
2.6 KiB
C#
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using System.Transactions;
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using SIGCM2.Application.Abstractions;
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using SIGCM2.Application.Abstractions.Persistence;
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using SIGCM2.Application.Audit;
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using SIGCM2.Application.IngresosBrutos.Dtos;
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using SIGCM2.Domain.Exceptions;
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namespace SIGCM2.Application.IngresosBrutos.NuevaVersion;
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public sealed class NuevaVersionIngresosBrutosCommandHandler
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: ICommandHandler<NuevaVersionIngresosBrutosCommand, NuevaVersionIibbResultDto>
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{
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private readonly IIngresosBrutosRepository _repo;
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private readonly IAuditLogger _audit;
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public NuevaVersionIngresosBrutosCommandHandler(IIngresosBrutosRepository repo, IAuditLogger audit)
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{
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_repo = repo;
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_audit = audit;
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}
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public async Task<NuevaVersionIibbResultDto> Handle(NuevaVersionIngresosBrutosCommand command)
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{
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// Step 1: load predecesora
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var predecesora = await _repo.GetByIdAsync(command.PredecesoraId)
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?? throw new IngresosBrutosNotFoundException(command.PredecesoraId);
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// Step 2: guard — predecesora must be open and active
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if (!predecesora.Activo || predecesora.VigenciaHasta is not null)
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throw new PredecesorYaCerradoException(command.PredecesoraId);
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// Steps 3–4: domain validation + tuple creation (throws ArgumentException if vigencia invalid)
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var (predecesoraCerrada, nuevaVersion) = predecesora.NuevaVersion(
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command.NuevaAlicuota,
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command.VigenciaDesde);
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using var tx = new TransactionScope(
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TransactionScopeOption.Required,
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new TransactionOptions { IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted },
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TransactionScopeAsyncFlowOption.Enabled);
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// Step 5: optimistic close — race guard
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var closed = await _repo.UpdateCierreVigenciaAsync(
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command.PredecesoraId,
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predecesoraCerrada.VigenciaHasta!.Value);
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if (!closed)
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throw new PredecesorYaCerradoException(command.PredecesoraId);
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// Step 6: insert new version
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var nuevoId = await _repo.InsertAsync(nuevaVersion);
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// Step 7: audit (fail-closed)
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await _audit.LogAsync(
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action: "ingresos_brutos.nueva_version",
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targetType: "IngresosBrutos",
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targetId: nuevoId.ToString(),
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metadata: new
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{
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predecesoraId = command.PredecesoraId,
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nuevoId,
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alicuotaNueva = command.NuevaAlicuota,
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vigenciaDesde = command.VigenciaDesde,
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});
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// Step 8: commit
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tx.Complete();
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return new NuevaVersionIibbResultDto(command.PredecesoraId, nuevoId);
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}
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}
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