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alpenwerk-hr/db/migrations/20260810120000_rehire_position_checks.sql
Maximilian Stubhan b87c8ad64c
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Remove Supabase
The database moved to a container of our own; the platform is gone.
This takes out what was left of it — and, where the leftovers were load
bearing, moves rather than deletes.

Moved, not deleted:

  supabase/migrations/  -> db/migrations/      the schema's source of truth
  supabase/build-org.ts -> scripts/build-org.ts
  lib/supabase/types.ts -> lib/types.ts        52 import sites repointed

The bookkeeping needed care. It lived in `supabase_migrations.schema_migrations`,
and simply renaming the schema would have left the runner facing an empty
table: it would have called all 67 migrations pending and replayed them
against a database that is long since current. So the runner now creates
`migrationen.schema_migrations` and, once, copies the old rows across —
guarded so a second run does nothing and a fresh database skips it entirely.
Only then does migration 20260907100000 drop the old schema.

Deleted: the CLI config, the seed, the historical schema/function dumps
(nothing read them), scripts/umzug-von-supabase.sh (the move is done), and
both Supabase packages plus the CLI. Nothing in the application imported
them — the build now succeeds with no environment variables at all, which
is the proof.

Integration tests: six of them signed in through Supabase Auth and asserted
against the anon key and the service role. That model is gone, so the tests
were not portable — they are deleted. session-context and
employee-status-filter already ran on pg and are untouched; om-reporting is
ported to a direct connection because it guards a real risk (the reporting
line rule exists twice, once in SQL and once in TypeScript).

CI: the integration job started a Supabase stack. It now runs a postgres
service, applies deploy/db-init and every migration to an empty database —
that was the valuable part, and it still holds — then checks that a second
run is a no-op, which is what proves the bookkeeping works.

Docs: security-review.md audited a service-role key, a cookie adapter and
auth.users, none of which exist. Restating findings about removed components
would suggest today's system had been reviewed; it has not. It now records
what was removed and says a fresh review is due. data-model.md was already
marked obsolete and described the pre-OM schema; azure-migration.md was a
plan for a route not taken. Both deleted.

Verified: npm ci, typecheck, lint, 445 tests, build — all clean without the
packages. Integration tests skip cleanly with no database. Migration SQL and
the runner are reviewed but NOT executed: no Docker here, and the old
instance no longer resolves.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-07 10:43:22 +02:00

83 lines
3.0 KiB
SQL

-- Die Wiedereinstellung prüft die Zielplanstelle wie Eintritt und Versetzung.
--
-- rehire_employee verlangte zwar eine Planstelle, setzte die Besetzung dann
-- aber ungeprüft: weder ob die Stelle zum Wiedereintritt gilt noch ob sie
-- frei ist. Eine wiedereingestellte Person konnte damit auf einer bereits
-- besetzten Stelle landen — abgefangen erst vom Teilindex, mit einer Meldung,
-- die in der Oberfläche nichts erklärt — oder auf einer, die es zu dem Datum
-- gar nicht gibt.
--
-- Dieselbe Regel wie in 20260810100000: das Datum muss in
-- [valid_from, valid_to) liegen, und es darf keine Zuordnung geben, die zu
-- diesem Zeitpunkt noch gilt.
do $$
declare
v_def text;
v_neu text;
begin
select pg_get_functiondef(p.oid) into v_def
from pg_proc p
join pg_namespace n on n.oid = p.pronamespace
where n.nspname = 'public' and p.proname = 'rehire_employee'
limit 1;
if v_def is null then
raise exception 'rehire_employee() nicht gefunden.';
end if;
-- Über ein Muster, weil der Rumpf CRLF enthalten kann; ein wörtlicher
-- Vergleich fände nichts und die Migration meldete trotzdem Erfolg.
v_neu := regexp_replace(
v_def,
'if\s+v_position_id\s+is\s+null\s+then\s+raise\s+exception\s+''Für die Wiedereinstellung muss eine Planstelle angegeben werden\.'';\s+end\s+if;',
$neu$if v_position_id is null then
raise exception 'Für die Wiedereinstellung muss eine Planstelle angegeben werden.';
end if;
declare
v_ab date;
v_bis date;
v_besetzt uuid;
begin
select valid_from, valid_to into v_ab, v_bis from om_positions where id = v_position_id;
if v_ab is null then
raise exception 'Die Planstelle existiert nicht.';
end if;
if v_date < v_ab then
raise exception 'Die Planstelle gilt erst ab %. Ein Wiedereintritt am % ist darauf nicht möglich.', v_ab, v_date;
end if;
if v_bis is not null and v_date >= v_bis then
raise exception 'Die Planstelle gilt nur bis %. Ein Wiedereintritt am % ist darauf nicht möglich.', v_bis, v_date;
end if;
select pa.employee_id into v_besetzt
from position_assignments pa
where pa.position_id = v_position_id
and (pa.valid_to is null or pa.valid_to > v_date);
if v_besetzt is not null then
raise exception 'Diese Planstelle ist bereits besetzt.';
end if;
end;$neu$,
'g'
);
if v_neu = v_def then
raise exception 'Das Muster passte nicht — rehire_employee blieb unverändert.';
end if;
execute v_neu;
end;
$$;
-- ═══ Gegenprobe ══════════════════════════════════════════════════
do $$
begin
if (select pg_get_functiondef(p.oid) from pg_proc p
join pg_namespace n on n.oid = p.pronamespace
where n.nspname = 'public' and p.proname = 'rehire_employee' limit 1) not like '%gilt erst ab%' then
raise exception 'rehire_employee() enthält die Gültigkeitsprüfung nicht.';
end if;
end;
$$;