Model liturgical colour as a typed enum #11

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opened 2026-07-01 00:50:42 +00:00 by manlycucumber · 0 comments

manlycucumber commented

2026-07-01 00:50:42 +00:00

(Migrated from github.com)

Problem

Offices carry a liturgical colour (white, red, green, violet, black, rose). The engine needs a typed colour rather than free strings to keep output consistent.

Design alignment (v0.1.0)

Colour is a per-edition attribute — and it attaches per celebration element (the principal and each commemoration may differ) — not part of the Observance ID. Rose is a flag on violet (Gaudete / Laetare), not a base value. See docs/design/observance-id-grammar.md.

Acceptance criteria

Colour type enumerates the traditional Roman colours (white, red, green, violet, black, rose)
Constructs from an edition attribute record (not from an ID token)
Each celebration element (principal + commemorations) carries its own colour
roseAllowed is expressible as a flag on violet
Unit tests cover each colour and the per-element case

Notes

Treat the colour set as closed for the traditional editions.

## Problem Offices carry a liturgical colour (white, red, green, violet, black, rose). The engine needs a typed colour rather than free strings to keep output consistent. ## Design alignment (v0.1.0) Colour is a **per-edition attribute** — and it attaches per celebration *element* (the principal and each commemoration may differ) — **not** part of the `Observance` ID. Rose is a flag on violet (Gaudete / Laetare), not a base value. See `docs/design/observance-id-grammar.md`. ## Acceptance criteria - [ ] Colour type enumerates the traditional Roman colours (white, red, green, violet, black, rose) - [ ] Constructs from an edition attribute record (**not** from an ID token) - [ ] Each celebration element (principal + commemorations) carries its own colour - [ ] `roseAllowed` is expressible as a flag on violet - [ ] Unit tests cover each colour and the per-element case ## Notes Treat the colour set as closed for the traditional editions.

manlycucumber referenced this issue from a commit

2026-08-05 19:02:28 +00:00

feat: add Colour and ElementColour liturgical colour value objects (#203)

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Directorium/Core#11

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