Phase 3: Hire wizard, draft resume, and two real SQL bugfixes

- components/hire/: 4-step Hire Wizard (Person/Position/Vertrag/
  Zusammenfassung) matching sec4.4, with a HireWizardProvider context so it
  can be opened both from the global "+ Neueinstellung" button and from a
  "Fortsetzen" link on a saved draft.
- actions/hireDrafts.ts: save/delete hire_drafts (owner-scoped RLS already
  in place from Phase 1). Dashboard now shows the "Entwuerfe" card the
  Phase 1 plan deferred, since the wizard it depends on now exists.
- lib/positions.ts: shared open-positions loader (position number, org
  breadcrumb, resolved manager name) used by both the wizard and (later)
  the Positions page.

Two real bugs found via live testing and fixed in supabase/functions.sql:
1. hire_employee/rehire_employee: a two-branch CASE returning bare string
   literals defaults to `text`, not the target enum, so `status = case
   when ... then 'Geplant' else 'Aktiv' end` failed against the
   employment_status column. Fixed with an explicit ::employment_status
   cast on the whole CASE expression.
2. Postgres precedence gotcha: ->> and || sit at the *same* precedence
   tier and left-associate, so `payload->>'first_name' || ' ' ||
   payload->>'last_name'` does not group the way it reads - it tries to
   apply ->> to an intermediate text value and fails with "operator does
   not exist: text ->> unknown". Fixed by parenthesizing every ->>'...'
   expression that participates in a || chain.

Also fixed: hire_employee referenced v_position.title outside the branch
that assigns v_position, raising "record not assigned" whenever a hire
wasn't tied to a position_id; extracted a v_job_title variable instead.

Verified live end-to-end: wizard search -> select position -> submit
creates the employee, closes the position, and writes matching
employee_history + audit_log rows atomically.
This commit is contained in:
2026-07-13 22:37:59 +02:00
parent 366731ec85
commit f91a69147e
15 changed files with 766 additions and 24 deletions

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import type { PaygradeType } from "@/lib/supabase/types";
import type { HireDraftData } from "./types";
const PAYGRADES: { value: PaygradeType; label: string; description: string }[] = [
{ value: "A", label: "A Einstieg", description: "Berufseinsteiger:innen ohne einschlägige Erfahrung" },
{ value: "B", label: "B Qualifiziert", description: "Fachkräfte mit abgeschlossener Ausbildung" },
{ value: "C", label: "C Erfahren", description: "Mehrjährige einschlägige Berufserfahrung" },
{ value: "D", label: "D Spezialist:in", description: "Vertiefte Fachexpertise" },
{ value: "E", label: "E Teamleitung", description: "Fachliche und disziplinäre Führung eines Teams" },
{ value: "F", label: "F Bereichsleitung / GF", description: "Führung eines Bereichs bzw. Geschäftsführung" },
];
export function StepVertrag({ draft, update }: { draft: HireDraftData; update: (patch: Partial<HireDraftData>) => void }) {
function handleEmploymentTypeChange(value: HireDraftData["employmentType"]) {
update({
employmentType: value,
weeklyHours: value === "Vollzeit" ? "38.5" : draft.weeklyHours === "38.5" ? "20" : draft.weeklyHours,
});
}
return (
<div className="flex flex-col gap-4">
<div className="grid grid-cols-2 gap-3">
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Eintrittsdatum*</label>
<input type="date" value={draft.entryDate} onChange={(e) => update({ entryDate: e.target.value })} className="w-full rounded border border-border px-3 py-2 text-sm" />
</div>
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Vertragsart</label>
<select
value={draft.contractType}
onChange={(e) => update({ contractType: e.target.value as HireDraftData["contractType"] })}
className="w-full rounded border border-border px-3 py-2 text-sm"
>
<option value="unbefristet">unbefristet</option>
<option value="befristet">befristet</option>
</select>
</div>
</div>
{draft.contractType === "befristet" && (
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Befristet bis*</label>
<input
type="date"
value={draft.contractEndDate}
onChange={(e) => update({ contractEndDate: e.target.value })}
className="w-full rounded border border-border px-3 py-2 text-sm"
/>
</div>
)}
<div className="grid grid-cols-2 gap-3">
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Beschäftigungsausmaß</label>
<select
value={draft.employmentType}
onChange={(e) => handleEmploymentTypeChange(e.target.value as HireDraftData["employmentType"])}
className="w-full rounded border border-border px-3 py-2 text-sm"
>
<option value="Vollzeit">Vollzeit</option>
<option value="Teilzeit">Teilzeit</option>
</select>
</div>
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Wochenstunden</label>
<input
type="number"
step="0.5"
value={draft.weeklyHours}
disabled={draft.employmentType === "Vollzeit"}
onChange={(e) => update({ weeklyHours: e.target.value })}
className="w-full rounded border border-border px-3 py-2 text-sm disabled:bg-surface disabled:text-ink-muted"
/>
</div>
</div>
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Bruttogehalt/Monat (14x)*</label>
<input type="number" value={draft.salary} onChange={(e) => update({ salary: e.target.value })} className="w-full rounded border border-border px-3 py-2 text-sm" />
</div>
<div>
<label className="mb-1 block text-sm font-semibold text-ink">Paygrade*</label>
<select
value={draft.paygrade}
onChange={(e) => update({ paygrade: e.target.value as PaygradeType })}
className="w-full rounded border border-border px-3 py-2 text-sm"
>
{PAYGRADES.map((p) => (
<option key={p.value} value={p.value}>
{p.label}
</option>
))}
</select>
<p className="mt-1 text-xs text-ink-muted">{PAYGRADES.find((p) => p.value === draft.paygrade)?.description}</p>
</div>
<p className="text-xs text-ink-muted">Es gilt eine Probezeit von 1 Monat gemäß Kollektivvertrag.</p>
</div>
);
}