Initial commit

supabase/migrations/20260322000000_assessment_finalization.sql

@@ -0,0 +1,45 @@
+alter table public.assessments
+  add column if not exists is_finalized boolean not null default false,
+  add column if not exists finalized_at timestamptz,
+  add column if not exists finalization_reminder_sent_at timestamptz;
+
+create index if not exists idx_assessments_user_id_finalization
+on public.assessments (user_id, is_finalized, created_at desc);
+
+create index if not exists idx_assessments_open_finalization_reminders
+on public.assessments (created_at)
+where is_finalized = false and finalization_reminder_sent_at is null;
+
+create or replace function public.guard_assessment_finalization()
+returns trigger as $$
+begin
+  if tg_op = 'UPDATE' and old.is_finalized then
+    if new.pat_type is distinct from old.pat_type
+      or new.datum is distinct from old.datum
+      or new.name is distinct from old.name
+      or new.exercises is distinct from old.exercises
+      or new.is_finalized is distinct from old.is_finalized
+      or new.finalized_at is distinct from old.finalized_at then
+      raise exception 'Finalisierte Bewertungen koennen nicht mehr geaendert werden.';
+    end if;
+  end if;
+
+  if new.is_finalized then
+    if tg_op = 'INSERT' then
+      new.finalized_at := coalesce(new.finalized_at, now());
+    else
+      new.finalized_at := coalesce(new.finalized_at, old.finalized_at, now());
+    end if;
+    new.finalization_reminder_sent_at := null;
+  else
+    new.finalized_at := null;
+  end if;
+
+  return new;
+end;
+$$ language plpgsql;
+
+drop trigger if exists trg_assessments_finalization_guard on public.assessments;
+create trigger trg_assessments_finalization_guard
+before insert or update on public.assessments
+for each row execute function public.guard_assessment_finalization();