45 lines
2.2 KiB
Markdown
45 lines
2.2 KiB
Markdown
# ADR-0003: ACL default-fill strategy
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- **Status:** Accepted
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- **Date:** 2026-06-04
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- **Deciders:** Respellion engineering
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- **Relates to:** S-04 (#5); builds on ADR-0001 (loose coupling)
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## Context
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The ACL is the only code that talks to ZGW APIs (ADR-0001 / CLAUDE.md §8.1). When the
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domain asks it to "open a zaak", the domain payload is intentionally free of ZGW
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specifics — it carries domain facts (e.g. the registrant's BSN), not OpenZaak fields. But
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OpenZaak's `POST /zaken` requires ZGW-mandatory fields: `bronorganisatie`,
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`verantwoordelijkeOrganisatie`, `startdatum`, `vertrouwelijkheidaanduiding`, and a
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`zaaktype` URL. Something has to supply those, and it must not leak into the domain.
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## Decision
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**The ACL default-fills the ZGW-mandatory zaak fields; the domain never sees them.**
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- `bronorganisatie`, `verantwoordelijkeOrganisatie`, `vertrouwelijkheidaanduiding`, and the
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`zaaktype` URL come from **ACL configuration** (`AclDefaults` options) — not hardcoded,
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not from the domain. This keeps them operationally manageable (the beheer portal will
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edit them in S-15) and environment-specific (the seeded BIG zaaktype URL differs per env).
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- `startdatum` is derived from an injected **clock** (today's date), so it is
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deterministic in tests.
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- The mapping from domain payload → ZGW `ZaakRequest` lives entirely inside the ACL
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(`Application` builds the request from payload + defaults; `Infrastructure` serialises and
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POSTs it). No other service constructs ZGW payloads or URLs.
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## Consequences
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- **Positive:** the domain stays ZGW-agnostic; ZGW knowledge is in one named place; defaults
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are config (testable, env-specific, later editable via the beheer portal).
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- **Cost:** the ACL must be configured per environment (the seeded zaaktype URL, the
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organisation RSINs). Missing/invalid config fails fast at the ACL boundary.
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- **Follow-ups:** mapping the BSN onto the zaak (eigenschap/rol), status transitions, and
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documents are explicitly out of scope for S-04 and get their own slices.
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## Alternatives considered
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- **Defaults in the domain payload** — rejected: leaks ZGW concerns into the domain,
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violating ADR-0001.
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- **Hardcoded defaults in code** — rejected: not env-specific, not operationally editable.
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