tasq/supabase/migrations/20260219120000_swap_requests_snapshot.sql

51 lines
1.7 KiB
PL/PgSQL

-- Add shift snapshot columns to swap_requests and update request_shift_swap RPC
ALTER TABLE public.swap_requests
ADD COLUMN IF NOT EXISTS shift_type text;
ALTER TABLE public.swap_requests
ADD COLUMN IF NOT EXISTS shift_start_time timestamptz;
ALTER TABLE public.swap_requests
ADD COLUMN IF NOT EXISTS reliever_ids uuid[] DEFAULT '{}'::uuid[];
-- Update the request_shift_swap RPC so inserted swap_requests include a snapshot
-- of the referenced duty schedule (so UI can render shift info even after ownership changes)
CREATE OR REPLACE FUNCTION public.request_shift_swap(p_shift_id uuid, p_recipient_id uuid)
RETURNS uuid LANGUAGE plpgsql AS $$
DECLARE
v_shift_record RECORD;
v_recipient RECORD;
v_new_id uuid;
BEGIN
-- shift must exist and be owned by caller
SELECT * INTO v_shift_record FROM public.duty_schedules WHERE id = p_shift_id;
IF NOT FOUND THEN
RAISE EXCEPTION 'shift not found';
END IF;
IF v_shift_record.user_id <> auth.uid() THEN
RAISE EXCEPTION 'permission denied: only shift owner may request swap';
END IF;
-- recipient must exist and be it_staff
SELECT id, role INTO v_recipient FROM public.profiles WHERE id = p_recipient_id;
IF NOT FOUND THEN
RAISE EXCEPTION 'recipient not found';
END IF;
IF v_recipient.role <> 'it_staff' THEN
RAISE EXCEPTION 'recipient must be it_staff';
END IF;
INSERT INTO public.swap_requests(
requester_id, recipient_id, shift_id, status, created_at, updated_at,
shift_type, shift_start_time, reliever_ids
)
VALUES (
auth.uid(), p_recipient_id, p_shift_id, 'pending', now(), now(),
v_shift_record.shift_type, v_shift_record.start_time, v_shift_record.reliever_ids
)
RETURNING id INTO v_new_id;
RETURN v_new_id;
END;
$$;