58 lines
2.4 KiB
C#
58 lines
2.4 KiB
C#
using Big.Domain;
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namespace Big.Application;
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/// <summary>A behandelaar's beoordeling outcome, in domain language.</summary>
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public enum BeoordelingsBesluit
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{
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/// <summary>Approve — enter the registration in the register.</summary>
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Goedkeuren,
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/// <summary>Reject — turn the registration down.</summary>
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Afwijzen,
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}
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/// <summary>A behandelaar's decision on a registration.</summary>
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public sealed record BeoordeelRegistratieCommand(RegistrationId RegistrationId, BeoordelingsBesluit Besluit);
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/// <summary>
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/// The beoordeling use case (S-12): apply a behandelaar's decision to a registration.
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/// <see cref="BeoordelingsBesluit.Goedkeuren"/> sets the zaak's final status via the ACL (§8.1) and
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/// advances the aggregate to INGESCHREVEN; <see cref="BeoordelingsBesluit.Afwijzen"/> advances it to
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/// AFGEWEZEN in the domain (propagating a rejection to the zaak, so the openbaar projection reflects
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/// it, is a later sub-slice of S-12). Both decisions are idempotent — a repeated or redelivered
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/// decision that matches the current terminal state is a no-op, so the ACL is not called twice.
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/// </summary>
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public sealed class BeoordeelRegistratie(IRegistrationStore store, IAclClient acl)
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{
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public async Task HandleAsync(BeoordeelRegistratieCommand command, CancellationToken ct = default)
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{
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ArgumentNullException.ThrowIfNull(command);
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var registration = await store.GetAsync(command.RegistrationId, ct)
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?? throw new InvalidOperationException($"No registration {command.RegistrationId} to decide.");
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switch (command.Besluit)
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{
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case BeoordelingsBesluit.Goedkeuren:
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// A repeated approval is a no-op: don't set the zaak status a second time.
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if (registration.Status == RegistrationStatus.Ingeschreven)
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return;
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if (registration.ZaakUrl is null)
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throw new InvalidOperationException(
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$"Registration {command.RegistrationId} has no zaak yet; it cannot be approved.");
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await acl.ApproveZaakAsync(registration.ZaakUrl, ct);
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registration.Approve();
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break;
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case BeoordelingsBesluit.Afwijzen:
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if (registration.Status == RegistrationStatus.Afgewezen)
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return;
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registration.Reject();
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break;
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}
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await store.SaveAsync(registration, ct);
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}
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}
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